CN106536937A - Compressor motor with center stator - Google Patents
Compressor motor with center stator Download PDFInfo
- Publication number
- CN106536937A CN106536937A CN201580041209.5A CN201580041209A CN106536937A CN 106536937 A CN106536937 A CN 106536937A CN 201580041209 A CN201580041209 A CN 201580041209A CN 106536937 A CN106536937 A CN 106536937A
- Authority
- CN
- China
- Prior art keywords
- drive shaft
- rotor
- supporting member
- assembly
- compression mechanism
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04C—ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT PUMPS
- F04C29/00—Component parts, details or accessories of pumps or pumping installations, not provided for in groups F04C18/00 - F04C28/00
- F04C29/0042—Driving elements, brakes, couplings, transmissions specially adapted for pumps
- F04C29/0085—Prime movers
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04C—ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT PUMPS
- F04C18/00—Rotary-piston pumps specially adapted for elastic fluids
- F04C18/02—Rotary-piston pumps specially adapted for elastic fluids of arcuate-engagement type, i.e. with circular translatory movement of co-operating members, each member having the same number of teeth or tooth-equivalents
- F04C18/0207—Rotary-piston pumps specially adapted for elastic fluids of arcuate-engagement type, i.e. with circular translatory movement of co-operating members, each member having the same number of teeth or tooth-equivalents both members having co-operating elements in spiral form
- F04C18/0215—Rotary-piston pumps specially adapted for elastic fluids of arcuate-engagement type, i.e. with circular translatory movement of co-operating members, each member having the same number of teeth or tooth-equivalents both members having co-operating elements in spiral form where only one member is moving
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04C—ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT PUMPS
- F04C23/00—Combinations of two or more pumps, each being of rotary-piston or oscillating-piston type, specially adapted for elastic fluids; Pumping installations specially adapted for elastic fluids; Multi-stage pumps specially adapted for elastic fluids
- F04C23/008—Hermetic pumps
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04C—ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT PUMPS
- F04C18/00—Rotary-piston pumps specially adapted for elastic fluids
- F04C18/30—Rotary-piston pumps specially adapted for elastic fluids having the characteristics covered by two or more of groups F04C18/02, F04C18/08, F04C18/22, F04C18/24, F04C18/48, or having the characteristics covered by one of these groups together with some other type of movement between co-operating members
- F04C18/34—Rotary-piston pumps specially adapted for elastic fluids having the characteristics covered by two or more of groups F04C18/02, F04C18/08, F04C18/22, F04C18/24, F04C18/48, or having the characteristics covered by one of these groups together with some other type of movement between co-operating members having the movement defined in group F04C18/08 or F04C18/22 and relative reciprocation between the co-operating members
- F04C18/356—Rotary-piston pumps specially adapted for elastic fluids having the characteristics covered by two or more of groups F04C18/02, F04C18/08, F04C18/22, F04C18/24, F04C18/48, or having the characteristics covered by one of these groups together with some other type of movement between co-operating members having the movement defined in group F04C18/08 or F04C18/22 and relative reciprocation between the co-operating members with vanes reciprocating with respect to the outer member
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Compressor (AREA)
- Applications Or Details Of Rotary Compressors (AREA)
Abstract
A compressor is provided and may include a shell, a compression mechanism, a driveshaft, and a motor assembly. The compression mechanism may be disposed within the shell. The driveshaft is drivingly engaged with the compression mechanism. The motor assembly may be disposed within the shell and drivingly engaged with the driveshaft. The motor assembly may include a rotor, a stator, and a rotor support subassembly. The rotor may be disposed radially outwardly relative to the stator and fixed for rotation with the driveshaft. The rotor support subassembly may include a first support member coupled to the driveshaft and coupled to the rotor such that the driveshaft is operable to rotate with the rotor.
Description
Cross-Reference to Related Applications
This application claims on July 27th, 2015 submit to U.S. Patent application No.14/809,786 priority and
The rights and interests of the U.S. Provisional Application No.62/029,864 in the submission of on July 28th, 2014 are required also.The entire disclosure applied above
Content is expressly incorporated herein by reference.
Technical field
It relates to a kind of compressor, and more particularly, to the scroll compressor or rotary including motor
Compressor, the motor is with the rotor around stator.
Background technology
Statement in this part only provides the background information related to the disclosure, and may not constitute prior art.
In order to provide heating and/or cooling effect, it is (general that compressor can be used for refrigeration, heat pump, HVAC or cooling system
Ground, " atmosphere control system ") in so that working fluid is circulated through wherein.Compressor can be in various type of compressor
Kind.For example, compressor can be scroll compressor, rotary blade type compressor, reciprocating compressor, centrifugal compressor or axle stream
Formula compressor.During the operation of compressor, motor sub-assembly may be used to drive shaft rotation.At this point, compressor is usual
Using motor sub-assembly, the motor sub-assembly includes the stator around the center rotor for being attached to drive shaft.No matter the compression for being used
The exact type of machine, expects the consistent and reliable construction of motor sub-assembly and assembles to guarantee that compressor can effectively and efficiently
Make working fluid cycle through atmosphere control system.
The content of the invention
The overview of the disclosure is this part provides, and the part is not the four corner or the disclosure of the disclosure
The comprehensive disclosure of all features.
There is provided a kind of compressor, the compressor can include shell, compression mechanism, drive shaft and motor sub-assembly.Compression
Mechanism can be arranged on inside the shell.Drive shaft can be drivingly engaged with compression mechanism, and can include the first outer surface and
Second outer surface.Second outer surface can extend radially beyond the first outer surface.Motor sub-assembly can be arranged on inside the shell simultaneously
And be drivingly engaged with drive shaft.Motor sub-assembly can include rotor, stator and rotor bearing sub-component.Rotor can be relative to
Stator is arranged on radially outer and is fixed to be rotated together with drive shaft.Rotor bearing sub-component can be including the first supporting
Component, first supporting member are attached to the second outer surface of drive shaft and are attached to rotor so that drive shaft is operable to
Rotate into together with rotor.
In some configurations, compressor can include bearing block assembly, and compression mechanism is bearing on bearing block assembly.
In some configurations, bearing block assembly can include the first housing and the second housing.First housing could be attached to
Compression mechanism, and stator could be attached to the second housing.
In some configurations, the second housing can include generally tubular part and flange portion.Flange portion can couple
To the first housing, and stator could be attached to the excircle of axle portion.
In some configurations, generally tubular part can extend around drive shaft.
In some configurations, motor sub-assembly can not be attached directly to shell.
In some configurations, the first housing can be fixed to shell.
In some configurations, rotor can include flange portion, and the first supporting member could be attached to flange portion.
In some configurations, compressor can include being attached to the of at least one of drive shaft and the first supporting member
Two supporting members.
In some configurations, the second supporting member can be engaged threadably with drive shaft.
In some configurations, magnet can be fixed to the inner radial surface of rotor.
In some configurations, magnet can be ferrite permanent magnet.
In some configurations, magnet can be attached to rotor using binding agent.
In some configurations, the second outer surface can include the outer surface of conical by its shape, and the first supporting member can be with
Including the aperture of the inner surface of the conical by its shape engaged with the outer surface with conical by its shape.
In some configurations, the second outer surface can be operable to limit between the first supporting member and stator
Axially extending distance.
In some configurations, the first supporting member can limit the aperture for passing through, and drive shaft can be with press-fitting
Close configuration to be arranged in aperture.
In another configuration, there is provided a kind of compressor, and the compressor can include shell, bearing block assembly, pressure
Contracting mechanism, drive shaft and motor sub-assembly.Bearing block assembly can be arranged on inside the shell, and can include the first housing and second
Housing.Second housing can include shaft portion and flange portion.Flange portion could be attached to the first housing.Compression mechanism can be with
It is attached to the first housing.Drive shaft can be drivingly engaged with compression mechanism.Motor sub-assembly can be drivingly engaged with drive shaft.
Motor sub-assembly can include rotor and stator.Stator could be attached to the axle portion of the second housing.Rotor can be set relative to stator
Put in radially outer and be fixed to rotate together with drive shaft.
In another configuration, there is provided a kind of compressor, and the compressor can include shell, bearing block, compressor
Structure, drive shaft, motor sub-assembly and the first rotor supporting member.Bearing block can be arranged on inside the shell, and can include axle portion
Divide and flange portion.Compression mechanism can be arranged on inside the shell and can be by bearing block support.Drive shaft can be with compressor
Structure is drivingly engaged, and can include the first outer surface and the second outer surface.Second outer surface can be extended radially beyond
First outer surface.Motor sub-assembly can be drivingly engaged with drive shaft, and can include rotor and stator.Stator can couple
To the shaft portion of bearing block.Rotor can be arranged on radially outer relative to stator, and can include the flange for radially extending
Part.The first rotor supporting member could be attached to the second outer surface and be attached to the flange portion for radially extending.
In still yet another form, present disclose provides a kind of compressor, the compressor can include shell, compression mechanism, drive
Moving axis, bearing block and motor sub-assembly.Compression mechanism is arranged on inside the shell.Drive shaft is by clutch shaft bearing and second bearing with rotatable
Mode support, and be drivingly engaged with compression mechanism.Bearing block can include tubular portion, clutch shaft bearing and second bearing
It is arranged in the tubular portion.Motor sub-assembly is arranged on inside the shell and is drivingly engaged with drive shaft.Motor sub-assembly includes
Rotor and stator.Stator can engage the outer diameter surface of tubular portion.Rotor can be arranged on radially outer relative to stator
And it is fixed to rotate together with drive shaft.
In still yet another form, the invention provides a kind of compressor, the compressor can include shell, compression mechanism, drive
Moving axis, bearing block and motor sub-assembly.Bearing block assembly can include the first housing and the second housing.Second housing can include pipe
Shape part and flange portion.Flange portion can be attached to the first housing and can be integrally formed with tubular portion.Compression
Mechanism can be axially supported by the first housing.Drive shaft is drivingly engaged with compression mechanism.Motor sub-assembly drivingly can connect
Close drive shaft and including rotor and stator.Stator can be extended circumferentially over upon around tubular portion, and can include being attached to
The inner radial surface of tubular portion.Flange portion can be axially arranged between stator and compression mechanism.Rotor can be relative
Radially outer is arranged in stator and is fixed to rotate together with drive shaft.
According to description provided herein, other application field will be apparent from.It should be appreciated that describing and specifically showing
Example is intended to only play descriptive purpose and be not intended to limit the scope of the present disclosure.
Description of the drawings
Accompanying drawing described herein is only used for carrying out selected embodiment rather than all possible embodiment
Descriptive purpose, and it is not intended to limit the scope of the present disclosure.
Fig. 1 is the sectional view of the compressor including motor sub-assembly of the principle according to the disclosure;
Fig. 2 is the sectional view of another compressor including another motor sub-assembly of the principle according to the disclosure;And
Fig. 3 is the sectional view of another compressor including another motor sub-assembly of the principle according to the disclosure;
Through these accompanying drawings, corresponding reference represents corresponding parts.
Specific embodiment
Each illustrative embodiments are more fully described now with reference to accompanying drawing.Illustrative embodiments are provided so that originally
It will be thorough to disclose, and will intactly express the scope of the present disclosure to those skilled in the art.Elaborate many concrete thin
The example of such as particular elements, device and method is saved to help thoroughly understand embodiment of the present disclosure.For this area
Will be apparent that for technical staff, these details are not required what is adopted, can be implemented with many different forms
Illustrative embodiments, also, detail and illustrative embodiments shall not be interpreted restriction the scope of the present disclosure.
In some illustrative embodiments, known process, known apparatus structure and known technology are not described in detail.
With reference to Fig. 1, compressor 10 is shown as including sealed enclosure component 12, compression mechanism 14,16 and of bearing block assembly
Motor sub-assembly 18.Although the disclosure is suitable for incorporation in many different types of compressors, the different types of compressor bag
Air-tight machine, open-drive machine and non-hermetic machines are included, for exemplary purposes, will be at this to combining in " low pressure
(i.e., wherein, motor and compressor pass through to inhale in sealing shell the hermetic scroll cold-producing medium motor-compressor 10 of side " type
Enter gas cooling, as vertical cross-section as shown in Figure 1 is illustrated) in the disclosure be described.
Casing assembly 12 can accommodate motor sub-assembly 18, compression mechanism 14 and bearing block assembly 16.Casing assembly 12 can be with
Including suction inlet port (not shown) and discharge outlet port 22, wherein, suction inlet port is received from indoor and outdoors
The working fluid in suction pressure of one of heat exchanger (not shown), discharge outlet port 22 in working fluid
Working fluid is expelled to into the other of indoor and outdoors heat exchanger after being compressed by compression mechanism 14.Dump valve (does not show
Go out) compression fluid can be allowed to flow to discharge outlet port 22 from compression mechanism 14 and can be restricted or prevented from discharge
The flow of fluid of outlet port 22 to compression mechanism 14.The base section of casing assembly 12 can form the profit comprising certain volume
The bin or storage tank 26 of lubrication prescription (for example, oil).
Compression mechanism 14 can include dynamic vortex component 28 and determine vortex component 30.Determine vortex component 30 can pass through multiple
Securing member 32 is fixed to bearing block assembly 16, the plurality of securing member such as bolt or similar attachment features.Dynamic vortex component
28 and determine vortex component 30 include dynamic spiral wraps 34 respectively and determine spiral wraps 36, dynamic spiral wraps 34 and determine spiral wraps 36
Engage in mutually engagement manner and driven end plate 40 and fixed end plate 42 extend respectively.Drive shaft 43 can be via bushing 45 with rotatable
Mode engage dynamic vortex component 28, to cause dynamic vortex component 28 relative to determine vortex when drive shaft 43 is rotated around axis 47
30 moving of component is moved.Sliding cross coupling 44 can be bonded to dynamic vortex component 28 and static structures (for example, bearing block group
Part 16 or determine vortex component 30), in case rotating against between stop scroll element 28 and determine vortex component 30, while allowing dynamic
Scroll element 28 is moved in moving path relative to determine vortex component 30.In dynamic spiral wraps 34 and determine between spiral wraps 36
Moving fluid chamber 46 is formed with, the size in the moving fluid chamber 46 is moved to inner radial position from radially external position with which
Put and reduce, so as to the working fluid in moving fluid chamber 46 is compressed to discharge pressure from suction pressure.
Bearing block assembly 16 can include the first or upper support housing 48 and second or lower house 50.Upper shell 48 can be wrapped
Include first or upside 54 and second or downside 58.Upside 54 can support determine vortex component 30 and can limit for dynamic vortex
28 theathrust bearingasurface.The downside 58 of upper shell 48 can include annular flange flange 60.Annular flange flange 60 can be from 58 edge of downside
It is axially extending with limits recess 62.Upper shell 48 can be limited to the counterweight chamber 64 between upside 54 and downside 58.It is attached to drive
The counterweight 66 of moving axis 43 can be in rotation in counterweight chamber 64.Counterweight 66 can be solid for example, by press-fit, welding and/or securing member
Determine to drive shaft 43.
Lower house 50 can include flange or plate part 74 and generally tubular part 76.Plate part 74 can be with tubular portion
76 are integrally formed so that lower house 50 is monolithic construction.Plate part 74 can be arranged at least in part and be fixed on upper casing
In the recess 62 of body 48.At this point, in a kind of configuration, it is possible to use multiple bolts 77 or other appropriate machanical fasteners
Lower house 50 is attached to into upper shell 48.It is to be understood, however, that such as plate part 74 can be welded using other technologies
Or be press-fitted in recess 62 and lower house 50 is attached to into upper shell 48.Can be provided between counterweight 66 and plate part 74
The such as packing ring of thrust bearing component 78.Thrust bearing component 78 in axial direction can be provided between counterweight 66 and lower house 50
Thrust bearing.
Tubular portion 76 can include that from plate part 74 generally tubular for axially extending is constructed.Tubular portion 76 can hold
Receive and support first or upper bearing (metal) 80 and second or lower bearing 82, first or upper bearing (metal) 80 and second or lower bearing 82 with rotatable
Mode support drive shaft 43.
Motor sub-assembly 18 can include motor stator 86, rotor 88 and rotor bearing sub-component 89.In some configurations, horse
Induction motor can be included up to component 18.In other configurations, motor sub-assembly 18 can include switched reluctance motor.In other structures
In type, motor stator 86 can be stagewise stator design, wherein, the section of motor stator 86 can be interlocked is determined with helping prevent
Son 86 decomposes during the assembling and operation of compressor 10.At this point, in some configurations, motor stator 86 can include many
The magnetic pole 90 for radially extending of individual coiling.The magnetic pole 90 for radially extending can limit the axially extending aperture for passing through
92.The tubular portion 76 of lower house 50 can be received in aperture 92 so that motor stator 86 could be attached to lower house 50.In one kind
In configuration, motor stator 86 can be press-fitted on tubular portion 76.In other configurations, the lower end in aperture 92 can include key
Groove or part 94, the keyway or part 94 be sized to receive the such as hex nut of supporting member 96.At this point, tube
Divide 76 lower end engage supporting member 96 threadably motor stator 86 is fixed to tubular portion 76.Also
It should be appreciated that motor stator 86 can be fixed to using other technologies such as press-fit or in threaded manner pipe
Shape part 76.Not only the fixing motor stator 86 that is used for of tubular portion 76 is again used for the purposes of fixing bearing 80,82 and can improve horse
Up to component 18 relative to drive shaft 43 and the alignment of axis 47.
Rotor 88 can be arranged around motor stator 86 and be attached to drive shaft 43.At this point, rotor 88 can be by
Rotary power is transferred to drive shaft 43.As illustrated, rotor 88 can be annularly disposed at motor stator 86 and casing assembly
Between 12.Rotor 88 can include housing 100 and multiple magnets 102.Housing 100 can be by single piece of material, the steel lamination of stacking
Or be suitable for the other materials with magnetic characteristic of motor and make.Housing 100 can include limiting the big of cylindrical internal surface 104
Cause cylindrical arrangement.Magnet 102 is coupled to inner surface 104 and is supported by inner surface 104.The centripetal force produced by rotor 88 can
To help for magnet 102 to be fixed to inner surface 104.At this point, in some configurations, binding agent can only be used by magnet
102 are fixed to inner surface.In a kind of configuration, magnet 102 can be ferrite permanent magnet.Motor stator 86 can be set with one heart
Put in housing 100 and magnet 102.
Flange 106 can be radially inwardly extending from the inner surface 104 of housing 100.In a kind of configuration, flange 106 can
Circlewise to extend around inner surface 104 so that flange 106 at least partially defines the axially extending lip of housing 100
108.Flange 106 and lip 108 can at least partially define recess 110.
Rotor bearing sub-component 89 can include the first or upper supporting member or plate 114 and second or lower support component or plate
116.Upper bearing plate 114 can include limiting hole or aperture 117 and restriction countersunk or the recess through upper bearing plate 114
118 substantially disc-shaped component.As shown, aperture 117 can be concentrically formed relative to recess 118.In assembled configuration, drive
Moving axis 43 can be arranged in aperture 117.Drive shaft 43 can include the first outer surface 119 and the second outer surface 121.Outside second
Surface 121 can be extended radially outward relative to the first outer surface 119 so that the second outer surface 121 includes being arranged on
Radially extending portion 120 in recess 118.As shown in Fig. 1, in some configurations, radially extending portion 120 can limit drive
The stepped portion or flange portion 120 of moving axis.
Lower support plate 116 can include that the substantially disc-shaped component for limiting the aperture 122 through lower support plate 116 (for example, is padded
Circle).In assembled configuration, aperture 122 can be aligned with one heart with aperture 117.Therefore, drive shaft 43 can be arranged on aperture
122 and aperture 117 in.At this point, lower support plate 116 can be prejudicially arranged or so that lower support around drive shaft 43
Plate 116 is constructed as mode as counterweight when drive shaft 43 rotates.
Rotor bearing sub-component 89 can be fixed to into drive shaft 43 using various technologies.It is in a kind of configuration, multiple tight
Firmware 124 (for example, bolt) may extend through the radially extending portion of lower support plate 116, upper bearing plate 114 and drive shaft 43
120, to prevent rotor bearing sub-component 89 relative to the axially-movable of drive shaft 43 and allow drive shaft with rotor bearing
Component 89 rotates together.In other configurations, including the rotor bearing sub-component 89 of upper bearing plate 114 and/or lower support plate 116
Can be press-fitted in drive shaft 43.For example, drive shaft 43 can be press-fitted into upper bearing plate 114 and/or lower support plate respectively
In 116 aperture 117 and/or aperture 122.Similarly, radially extending portion 120 can be press-fitted into the recessed of upper bearing plate 114
In portion 118.
Rotor bearing sub-component 89 and drive shaft 43 can be optionally further secured to rotate together with rotor 88.Can use
Rotor bearing sub-component 89 is fixed to rotor 88 by various technologies.In a kind of configuration, multiple securing members 128 (for example, bolt)
May extend through the flange 106 of upper bearing plate 114 and housing 100.In other configurations, upper bearing plate 114 can be with press-fit
To in housing 100.For example, upper bearing plate 114 can be press-fitted in recess 110 so that upper bearing plate 114 engages the lip of housing
Portion 108.Rotor bearing sub-component 89 is fixed to into rotor 88 and drive shaft 43 to ensure that and motor sub-assembly 18 is provided to when power
When, rotary power or driving torque can be transferred to rotor bearing sub-component 89 and drive shaft 43 by rotor 88.Due to counterweight 66
Drive shaft 43 is fixed to, therefore counterweight 66 and thrust bearing component 78 can axially support drive shaft 43, rotor 88 and rotor
Supporting sub-component 89.That is, thrust bearing component 78 can be shelved in the plate part 74 of lower house 50 to prop up vertically
Hold drive shaft 43, rotor 88 and rotor bearing sub-component 89.
The configuration of motor sub-assembly 18, tubular portion 76 and rotor bearing sub-component 89 can simplify the mistake of assemble compressible machine 10
Journey.At this point, before lower house 50 is fixed to upper shell 48 and upper shell 48 can be fixed to into casing assembly
By motor sub-assembly 18 and 89 pre-assembly of rotor bearing sub-component and/or tubular portion 76 is fixed to before 12.
With reference to Fig. 2, the compressor 10a of another configuration is shown.Except any exception for illustrating in following description and/or figure
Outside, the 26S Proteasome Structure and Function of the compressor 10 that the 26S Proteasome Structure and Function of compressor 10a is illustrated in may be largely analogous to Fig. 1.Cause
This, will not be described in detail again the structure and/or function of similar characteristics.Additionally, identical reference can be used for describing similar
Feature and part, and include letter extension (that is, " a ") identical reference can be used for mark it is modified those
Part.
Compressor 10a can include the motor sub-assembly with motor stator 86, rotor 88a and rotor bearing sub-component 89a
18a.Rotor 88a can be arranged and is attached to drive shaft 43a around motor stator 86.Rotor 88a can include housing 100a
With multiple magnets 102.Flange 106a can be radially inwardly extending from the inner surface 104a of housing 100a.In a kind of configuration,
Flange 106a can circlewise extend around inner surface 104a.Flange 106a can limit multiple axially extending taps or hole
Mouth 130, for allowing lubricant (for example, oil) to escape and enter in casing assembly 12 from housing 100a.
Rotor bearing sub-component 89a can include first or upper bearing plate 114a and second or lower support plate 116a.Upper
Board 114a can include the 132, first axially extending shoulder of substrate portion or step part 134 and the second axially extending shoulder
Portion or step part 136.First step part 134 can prejudicially extend from substrate portion 132 so that substrate portion 132 is limited
Determine the counterweight part of upper bearing plate.Second step part 136 further can extend from first step part 134 so that upper
Board 114a is generally frustoconical shape and is limited by stepped outer wall 138 at least in part.In assembled configuration, upper
Board 114a can be arranged in housing 100a so that flange 106a engages substrate portion 132 and concentrically around First
Exponent part 134.At this point, first step part 134 and/or second step part 136 can be concentrically around drive shafts
43a, and substrate portion 132 can prejudicially around drive shaft 43a so that substrate portion 132 can be when drive shaft 43a rotates
As counterweight.
Upper bearing plate 114a can further limit the axially extending hole or aperture 117a for passing through.Aperture 117a can
With including taper or Frusto-conical wall so that the cross section of aperture 117a is from second step part 136 to substrate portion
132 reduce.In assembled configuration, drive shaft 43a can be arranged in the 117a of aperture.Drive shaft 43a can include the first appearance
Face 119a and the second outer surface 121a.Second outer surface 121a can be extended radially outward relative to the first outer surface 119a,
So that the second outer surface 121a includes radially extending portion 120a.As shown in Fig. 2, in some configurations, the second outer surface
121a can include taper or frusto-conically shaped portion so that frustoconical orifice 117a engages (for example, press-fit configuration)
Second outer surface 121a of drive shaft 43.
Lower support plate 116a can include the substantially disc-shaped component (example for limiting the aperture 122a through lower support plate 116a
Such as, packing ring, nut etc.).In assembled configuration, aperture 122a can be aligned with one heart with aperture 117a so that 43 energy of drive shaft
Enough it is arranged in aperture 122a and aperture 117a.
Rotor bearing sub-component 89a can be fixed to into drive shaft 43a using various technologies.In a kind of configuration, upper
Board 114a and/or lower support plate 116a can be press-fitted in drive shaft 43a in the above described manner.In other configurations, aperture
122a can be threaded bores, and drive shaft 43a can include the spiral shell for engaging aperture 122a threadably
Stricture of vagina part 144.
Can using various technologies by rotor bearing sub-component 89a and drive shaft 43a be further fixed into rotor
88a rotates together.In a kind of configuration, multiple securing member 128a (for example, bolt) may extend through upper bearing plate 114a and
The flange 106a of housing 100a.In other configurations, upper bearing plate 114a can be press-fitted in housing 100a so that flange
106a concentrically around first step part 134, as mentioned above.Rotor bearing sub-component 89a is fixed to into rotor 88a and driving
Axle 43a ensure that when power supply is to motor sub-assembly 18a rotary power or driving torque can be transferred to turn by rotor 88a
Son supporting sub-component 89a and drive shaft 43a.
With reference to Fig. 3, the compressor 200 of another configuration is shown.Compressor 200 can be rotary compressor and can be with
Including casing assembly 212, bearing block assembly 214, compression mechanism 216 and motor sub-assembly 218.
Casing assembly 212 can accommodate compression mechanism 216, bearing block assembly 214 and motor sub-assembly 218, and can wrap
Include one or more suction inlet ports (not shown), discharge outlet port 220 and fluid injection fitting 222.Suction accessory
The suction pressure working fluid of the lower side member (for example, vaporizer) from atmosphere control system can be received, wherein, compressor
200 can be with reference in the atmosphere control system.Suction accessory can provide suction pressure working fluid to compression mechanism
216.Discharge outlet port 220 can receive from compression mechanism 216 compression work fluid (for example, in discharge pressure) and
And the working fluid for having compressed is provided to the high sidepiece part of atmosphere control system (for example, condenser or gas cooler).Stream
Body injection fitting 222 can be received from fluid injection source 224 in intermediate pressure (that is, higher than suction pressure and less than row
Go out the pressure of pressure) working fluid and intermediate pressure working fluid is provided to compression mechanism 216.Fluid injects source 224
Can include for example saving device, flash tank or heat-exchangers of the plate type.Intermediate pressure working fluid can be steam, liquid or steaming
The mixture of gas and liquid.
Bearing block assembly 214 can include upper member 226 and lower member 227.Upper member 226 and lower member 227 can phases
For casing assembly 212 is fixed and can accommodate the bearing (not shown) of rotatably supporting drive shaft 229.Except
Outside any exception illustrated in description below and/or figure, the 26S Proteasome Structure and Function of upper member 226 may be largely analogous to and pressure
The 26S Proteasome Structure and Function of the associated lower house 50 of contracting machine 10.Therefore, identical reference can be used for describing similar feature
And part, and similar feature and part can be not described in detail.At this point, upper member 226 can include tube
Divide 76.
Compression mechanism 216 can include the first cylinder housing 228 and the second cylinder housing 230, the first rotor 232 and the second rotor
234th, and demarcation strip 236.First cylinder housing 228 and the second cylinder housing 230 can be fixed relative to casing assembly 212 and can
To include the first tubular recess 238 and the second tubular recess 240 respectively.First cylinder housing 228 can be arranged on upper member 226 with
Between demarcation strip 236.Second cylinder housing 230 can be arranged between demarcation strip 236 and lower member 227.The first rotor 232 and
Two rotors 234 can be separately positioned in the first tubular recess 238 and the second tubular recess 240 and can engage driving respectively
First eccentric part 244 and the second eccentric part 246 of axle 229.Therefore, drive shaft 229 makes first around the rotation of rotation axiss A
Rotor 232 and the second rotor 234 are rotated with moving path in the first tubular recess 238 and the second tubular recess 240.
Each of first cylinder housing 228 and the second cylinder housing 230 can reciprocally receive blade (not shown).Blade
Can extend radially in the first tubular recess 238 and the second tubular recess 240, and can be spring-biased into and rotor
232nd, 234 radially outer circumferential surface 252 contacts.When the rotation in tubular recess 238,240 of rotor 232,234, blade can
To move back and forth relative to cylinder housing 228,230.Blade can the peripheral surface 252 of each rotor 232,234 with it is every
Between the diameter peripheral surface 258 of individual tubular recess 238,240 in the first tubular recess 238 and the second tubular recess 240
Suction chamber 254 is made to separate with discharge chambe 256 in each.Each suction chamber 254 can be limited to the side of blade and between week
To (or the gap between peripheral surface 252 and peripheral surface 258 between the point in sealing contact between surface 252,258
Point at its minimum).Each discharge chambe 256 can be limited to the opposite side of blade and between peripheral surface 252 and circumferential table
Point in sealing contact between face 258 (or the gap between peripheral surface 252 and peripheral surface 258 is at its minimum
Point) between.
Suction opening (not shown) can be formed in demarcation strip 236 and/or cylinder housing 228,230.Each suction opening
Can the suction pressure working fluid of in the future self-corresponding suction accessory provide to corresponding suction chamber 254.Working fluid can be with
Compressed in discharge chambe 256 and be discharged in corresponding discharge acoustic filter 260,262 by outlet opening 264.Each row
Go out opening 264 to be formed in one of correspondence in upper member 226 and lower member 227.Each cylinder housing 228,230 can be with
Including the discharge recess (not shown) connected with one of outlet opening 264.Discharging recess can increase and enter outlet opening
264 flow region.Dump valve (not shown) can be restricted or prevented the working fluid discharged in acoustic filter 260,262 and flow back into
In discharge chambe 256.Compressor can be left by discharge outlet port 220 from the working fluid for discharging acoustic filter 260,262
200。
Demarcation strip 236 can include fluid infusion channel 268, the fluid infusion channel 268 and formed therein first
Injection opening 270 is connected with second fluid injection opening 272.Fluid infusion channel 268 can be with 222 fluid of fluid injection fitting
Ground connection.Fluid injection opening 270,272 can on radial direction, angular direction and/or axial direction at least in part with row
Go out opening 264 to be aligned.For example, can limit and extend through rotation axiss A, fluid injection opening 270,272 and outlet opening 264
Plane.In some embodiments, fluid injection opening 270,272 can at least partially angularly be arranged on discharge and open
Between mouth 264 and blade.Fluid injection opening 270,272 can be relative to the peripheral surface 258 of tubular recess 238,240 along footpath
To inwardly and extending radially outward.In some embodiments, fluid injection opening 270,272 can be with outlet opening 264
It is substantially concentric.
The first valve member 274 can be provided between fluid infusion channel 268 and first fluid injection opening 270.
The second valve member 276 can be provided between fluid infusion channel 268 and second fluid injection opening 270.First valve member 274
Can be received in a movable manner with the second valve member 276 and be respectively formed at the first cylinder housing 228 and the second cylinder housing 230
In corresponding first recess 278 and the second recess 280 in.Each of first valve member 274 and the second valve member 276 can
Independently to move between the first location and the second location, wherein, in first position, the engagement of valve member 274,276 is formed
One of correspondence in the first valve seat 282 and the second valve seat 284 on demarcation strip 236, in the second position, valve member 274,
276 one of corresponding with the first valve seat 282 and the second valve seat 284 are spaced apart.Spring (not shown) can make the first valve structure
Part 274 and the second valve member 276 are biased towards first position, wherein, valve member 274,276 can be restricted or prevented to be noted in fluid
Enter the flow of fluid that passage 268 is injected between opening 270,272 with corresponding fluid.In the second position, valve member 274,276
The flow of fluid injected between opening 270,272 with corresponding fluid in fluid infusion channel 268 can be allowed.
Motor sub-assembly 218 can include motor stator 286 and rotor 288.Except it is following description and/or figure in illustrate appoint
Outside what makes an exception, the 26S Proteasome Structure and Function of motor stator 286 and rotor 288 can be approximately similar to motor stator 86 and rotor 88
26S Proteasome Structure and Function.Therefore, identical reference can be used for describing similar feature and part, and will not be described in detail again
Similar feature and part.
Rotor 288 can include housing 290.Housing 290 can include the generally cylindrical structure for limiting cylindrical internal surface 292
Make.Magnet 102 could be attached to inner surface 292 and be supported by inner surface 292.Flange or spinner support 294 can be from housings
290 inner surface 292 is radially inwardly extending.In a kind of configuration, spinner support 294 can be annular around inner surface 292
Ground extends, so as to limit center port 296.
Rotor 288 can be fixed into using various technologies and be rotated together with drive shaft 229.In a kind of configuration, drive
During axle 229 can be press-fitted into aperture 296 or it is soldered to spinner support 294.Rotor 288 is fixed to drive shaft 229 guarantees
When power is provided to motor sub-assembly 218, rotary power or driving torque can be passed through spinner support by rotor 288
294 are transferred to drive shaft 229.
The described above of each embodiment is had been provided for for the purpose of illustration and description.These descriptions are not intended to poor
Lift or limit the disclosure.Each element of particular implementation or feature are generally not limited to the particular implementation, but
Can be exchanged with each other under applicable circumstances and can select embodiment used in, even if be not particularly shown or
Description is also such.Each element of particular implementation or feature can also be changed in many ways.These modifications are not
It is considered as mutually deviating from the disclosure, and all these remodeling is intended to be included in the scope of the present disclosure.
Term used herein is only used for the purpose for describing specific illustrative embodiments, and is not intended to be limited
Property processed.As used herein, singulative "a", "an" and "the" can also be intended to include plural form, remove
Non- context is expressly stated otherwise.Term "comprising", " including ", " including " and " having " are inclusives, and therefore are referred to
The presence of fixed illustrated feature, entirety, step, operation, element and/or part, but it is not excluded for one or more other spies
Levy, entirety, step, operation, element, the presence or additional of part and/or its group.Method and step described herein, process and
Operation be not construed as necessarily requiring them with the certain order discussing or illustrate completing, unless otherwise specified for complete
Into order.It is to be further understood that other step or substituting step can be adopted.
Be referred to as when element or layer " ... on ", " being bonded to ", " being connected to " or when " being attached to " another element or layer,
The element or layer directly in other elements or layer, engage, connect or couple with other elements or layer, or can be deposited
In intermediary element or intermediate layer.By contrast, when element be referred to as " on directly existing ... ", " being spliced directly to ", " be directly connected to
To " or when " being attached directly to " another element or layer, can no intermediary element or intermediate layer.Should come in an identical manner
Understand to describe relation between element other words (for example, " and ... between " with " between directly existing ... ", " neighbouring " and
" being directly adjacent to " etc.).As used herein, term "and/or" includes appointing for the item that one or more correlations are listed
Meaning and all combinations.
Although various elements, part, region may be described herein using term first, second, third, etc., layer and/
Or section, but these elements, part, region, layer and/or section should not be limited by these terms.These terms only can be used
In element, part, region, layer or section of difference and another region, layer or section.When as used herein, term is such as
" first ", " second " and other numerical terms are not meant to order or sequence, unless clearly indicated.Therefore, exist
In the case of teaching without departing from illustrative embodiments, the first element discussed below, part, region, layer or section energy
Enough it is known as the second element, part, region, layer or section.
For the ease of being described, can use herein with the term of space correlation such as " interior ", " outward ", " be located at ...
Under ", " being located at ... lower section ", D score, " being located at ... top ", " on " and similar terms describing as the figures show
Element or feature and another (a little) element or the relation of feature.Can be intended to include except institute in accompanying drawing with the term of space correlation
Different orientation of the device in use or operation outside the orientation of description.For example, if the device in accompanying drawing is reversed, by
Be described as other elements or feature " lower section " or " under " element will be oriented at " top " of other elements or feature.Cause
This, exemplary term " being located at ... lower section " can include above and below two kinds orientation.Device can be oriented in addition and (is rotated by 90 °
Or with other orientation rotations), and space relative descriptors used herein are interpreted accordingly.
Claims (22)
1. a kind of compressor, including:
Shell;
Compression mechanism, the compression mechanism are arranged on the inside the shell;
Drive shaft, the drive shaft are rotatably supported by clutch shaft bearing and second bearing, and with the compressor
Structure is drivingly engaged;
Bearing block, the bearing block include that tubular portion, the clutch shaft bearing and the second bearing are arranged on the tube
In point;And
Motor sub-assembly, the motor sub-assembly are arranged on the inside the shell and are drivingly engaged with the drive shaft, the motor
Component includes rotor and stator, and the stator engages the outer diameter surface of the tubular portion, and the rotor is relative to described fixed
Son is arranged on radially outer and is fixed to be rotated together with the drive shaft.
2. compressor according to claim 1, also including support housing, the support housing has the supporting compressor
First side of structure, wherein, the bearing block is mounted in a removable manner to the second side of the support housing.
3. compressor according to claim 2, wherein, the bearing block includes being integrally formed with the tubular portion
Flange portion, and wherein, the flange portion is attached to the support housing.
4. compressor according to claim 3, also including counterweight, the counterweight is fixed to the drive shaft and is located at described
Between compression mechanism and the flange portion of the bearing block, wherein, the flange portion axially supports the counterweight, institute
State drive shaft and the motor sub-assembly.
5. compressor according to claim 1, wherein, the drive shaft includes the first outer surface and the second outer surface, institute
State the second outer surface and extend radially beyond first outer surface.
6. compressor according to claim 5, wherein, the motor sub-assembly includes the rotor with the first supporting member
Sub-component is held, first supporting member is attached to second outer surface and is attached to extending radially inwardly for the rotor
Flange so that the drive shaft is fixed to the rotor to rotate together with the rotor.
7. compressor according to claim 6, wherein, the stator is axially arranged on first supporting member and institute
State between compression mechanism.
8. compressor according to claim 7, also includes extending and being attached to the drive shaft around the drive shaft
With the second supporting member of at least one of first supporting member.
9. compressor according to claim 8, wherein, second supporting member and the drive shaft are being threadedly coupled
Mode is engaged.
10. compressor according to claim 8, wherein, second outer surface includes conical outer surface, and described
One supporting member includes the aperture with the cone-shaped inner surface engaged with the conical outer surface.
11. compressors according to claim 1, also including the magnet of the inner radial surface for being fixed to the rotor.
A kind of 12. compressors, including:
Shell;
Bearing block assembly, the bearing block assembly are arranged on the inside the shell, and the bearing block assembly includes the first housing and
Two housings, second housing include tubular portion and flange portion, the flange portion be attached to first housing and
It is integrally formed with the tubular portion;
Compression mechanism, the compression mechanism are axially supported by first housing;
Drive shaft, the drive shaft are drivingly engaged with the compression mechanism;And
Motor sub-assembly, the motor sub-assembly are drivingly engaged with the drive shaft, and the motor sub-assembly includes rotor and stator, institute
Stator is stated around the tubular portion circumferentially and the stator includes being attached to the inside table in footpath of the tubular portion
Face, the flange portion are axially arranged between the stator and the compression mechanism, and the rotor is relative to the stator
It is arranged on radially outer and is fixed to rotate together with the drive shaft.
13. compressors according to claim 12, also including counterweight, the counterweight is fixed to the drive shaft and is located at institute
State between compression mechanism and the flange portion of the bearing block, wherein, the flange portion axially support the counterweight,
The drive shaft and the motor sub-assembly.
14. compressors according to claim 13, wherein, first housing includes supporting the first of the compression mechanism
Side, and wherein, second housing is mounted in a removable manner to the second side of first housing.
15. compressors according to claim 14, wherein, the tubular portion extends and accommodates around the drive shaft
Clutch shaft bearing and second bearing, the clutch shaft bearing and the second bearing are spaced apart from each other and rotatably support
The drive shaft.
16. compressors according to claim 15, wherein, the drive shaft includes the first outer surface and the second outer surface,
Second outer surface extends radially beyond first outer surface.
17. compressors according to claim 16, wherein, the motor sub-assembly includes the rotor with the first supporting member
Supporting sub-component, first supporting member are attached to second outer surface and are attached to the rotor so that the drive
Moving axis is fixed to the rotor to rotate together with the rotor.
18. compressors according to claim 17, wherein, the rotor includes the flange for extending radially inwardly, and institute
State the first supporting member and be attached to the flange.
19. compressors according to claim 18, also include extending and being attached to the driving around the drive shaft
Second supporting member of at least one of axle and first supporting member.
20. compressors according to claim 19, wherein, second supporting member and the drive shaft are being threadedly coupled
Mode engage.
21. compressors according to claim 20, wherein, second outer surface includes conical outer surface, and described
First supporting member includes the aperture with the cone-shaped inner surface engaged with the conical outer surface.
22. compressors according to claim 12, wherein, the stator be axially arranged on the first supporting member with it is described
Between compression mechanism, and wherein, first supporting member is attached to the drive shaft and the rotor, thus by described turn
Son is fixed to the drive shaft to rotate together with the drive shaft.
Applications Claiming Priority (5)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US201462029864P | 2014-07-28 | 2014-07-28 | |
US62/029,864 | 2014-07-28 | ||
US14/809,786 US20160025094A1 (en) | 2014-07-28 | 2015-07-27 | Compressor motor with center stator |
US14/809,786 | 2015-07-27 | ||
PCT/US2015/042479 WO2016018915A1 (en) | 2014-07-28 | 2015-07-28 | Compressor motor with center stator |
Publications (1)
Publication Number | Publication Date |
---|---|
CN106536937A true CN106536937A (en) | 2017-03-22 |
Family
ID=55166371
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN201580041209.5A Pending CN106536937A (en) | 2014-07-28 | 2015-07-28 | Compressor motor with center stator |
Country Status (3)
Country | Link |
---|---|
US (1) | US20160025094A1 (en) |
CN (1) | CN106536937A (en) |
WO (1) | WO2016018915A1 (en) |
Cited By (2)
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CN112437841A (en) * | 2019-05-10 | 2021-03-02 | 开利公司 | Compressor with thrust control |
CN114893400A (en) * | 2022-04-22 | 2022-08-12 | 蔚来动力科技(合肥)有限公司 | Double-rotor electric full-sealed compressor for outputting auxiliary power |
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US7988433B2 (en) | 2009-04-07 | 2011-08-02 | Emerson Climate Technologies, Inc. | Compressor having capacity modulation assembly |
US9651043B2 (en) | 2012-11-15 | 2017-05-16 | Emerson Climate Technologies, Inc. | Compressor valve system and assembly |
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US9790940B2 (en) | 2015-03-19 | 2017-10-17 | Emerson Climate Technologies, Inc. | Variable volume ratio compressor |
US10598180B2 (en) | 2015-07-01 | 2020-03-24 | Emerson Climate Technologies, Inc. | Compressor with thermally-responsive injector |
US10801495B2 (en) | 2016-09-08 | 2020-10-13 | Emerson Climate Technologies, Inc. | Oil flow through the bearings of a scroll compressor |
US10890186B2 (en) | 2016-09-08 | 2021-01-12 | Emerson Climate Technologies, Inc. | Compressor |
US11614086B2 (en) | 2016-12-30 | 2023-03-28 | Aspen Compressor, Llc | Flywheel assisted rotary compressors |
US10753352B2 (en) | 2017-02-07 | 2020-08-25 | Emerson Climate Technologies, Inc. | Compressor discharge valve assembly |
US11022119B2 (en) | 2017-10-03 | 2021-06-01 | Emerson Climate Technologies, Inc. | Variable volume ratio compressor |
US10962008B2 (en) | 2017-12-15 | 2021-03-30 | Emerson Climate Technologies, Inc. | Variable volume ratio compressor |
JP2019199812A (en) * | 2018-05-14 | 2019-11-21 | 株式会社Soken | Electric compressor |
US10995753B2 (en) | 2018-05-17 | 2021-05-04 | Emerson Climate Technologies, Inc. | Compressor having capacity modulation assembly |
US11692548B2 (en) | 2020-05-01 | 2023-07-04 | Emerson Climate Technologies, Inc. | Compressor having floating seal assembly |
US11578725B2 (en) * | 2020-05-13 | 2023-02-14 | Emerson Climate Technologies, Inc. | Compressor having muffler plate |
US11655818B2 (en) | 2020-05-26 | 2023-05-23 | Emerson Climate Technologies, Inc. | Compressor with compliant seal |
US11767846B2 (en) | 2021-01-21 | 2023-09-26 | Copeland Lp | Compressor having seal assembly |
US11655813B2 (en) | 2021-07-29 | 2023-05-23 | Emerson Climate Technologies, Inc. | Compressor modulation system with multi-way valve |
US12259163B2 (en) | 2022-06-01 | 2025-03-25 | Copeland Lp | Climate-control system with thermal storage |
US11846287B1 (en) | 2022-08-11 | 2023-12-19 | Copeland Lp | Scroll compressor with center hub |
US11965507B1 (en) | 2022-12-15 | 2024-04-23 | Copeland Lp | Compressor and valve assembly |
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CN114893400A (en) * | 2022-04-22 | 2022-08-12 | 蔚来动力科技(合肥)有限公司 | Double-rotor electric full-sealed compressor for outputting auxiliary power |
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Also Published As
Publication number | Publication date |
---|---|
US20160025094A1 (en) | 2016-01-28 |
WO2016018915A1 (en) | 2016-02-04 |
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