CN108825468A - Air suction silencer and compressor - Google Patents
Air suction silencer and compressor Download PDFInfo
- Publication number
- CN108825468A CN108825468A CN201810903361.5A CN201810903361A CN108825468A CN 108825468 A CN108825468 A CN 108825468A CN 201810903361 A CN201810903361 A CN 201810903361A CN 108825468 A CN108825468 A CN 108825468A
- Authority
- CN
- China
- Prior art keywords
- oil
- shell
- ring body
- ring
- oil scraper
- 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.)
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Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
- F04B39/00—Component parts, details, or accessories, of pumps or pumping systems specially adapted for elastic fluids, not otherwise provided for in, or of interest apart from, groups F04B25/00 - F04B37/00
- F04B39/0027—Pulsation and noise damping means
- F04B39/0083—Pulsation and noise damping means using blow off silencers
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
- F04B39/00—Component parts, details, or accessories, of pumps or pumping systems specially adapted for elastic fluids, not otherwise provided for in, or of interest apart from, groups F04B25/00 - F04B37/00
- F04B39/02—Lubrication
- F04B39/0284—Constructional details, e.g. reservoirs in the casing
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Compressor (AREA)
Abstract
The present invention relates to Compressor Technology fields, more particularly to a kind of air suction silencer and compressor.The air suction silencer includes：The bottom wall of shell, shell is equipped with oil leaking hole, and oil leaking hole is connected to the inside of shell；And oil scraper ring, oil scraper ring are located at the periphery on the bottom wall of shell and being located at oil leaking hole, the radial area of oil scraper ring increases along the direction far from shell.By the way that oil scraper ring is arranged in the periphery of oil leaking hole, the refrigerator oil that muffler shell outer wall adheres to can be kept apart with oil leaking hole, be effectively improved the refrigerator oil of reflux by oil leaking hole and be inhaled into phenomenon inside muffler, reduce the oil spitting amount of compressor.Furthermore, the radial area of oil scraper ring increases along the direction far from shell, the refrigerator oil for thereby increasing the adherency of muffler shell outer wall enters the resistance of oil leaking hole, it further reduced a possibility that refrigerator oil is inhaled into inside muffler, the oil spitting amount of compressor is greatly reduced, the security reliability of compressor is improved.
Description
Technical field
The present invention relates to Compressor Technology fields, more particularly to a kind of air suction silencer and compressor.
Background technique
Totally-enclosed-type freezer compressor opens up eccentric oilhole on crankshaft, is generated upwards by motor with dynamic crankshaft rotation
The refrigerator oil of compressor housing bottom is taken to each moving component by centrifugal force.Fraction refrigerator oil enters in the process
Lubricating action is played into moving component, the refrigerator oil of remaining overwhelming majority is then splashed to pump housing surrounding and compressor housing inner wall
On, compressor housing bottom is then flowed back under the effect of gravity, and the refrigerator oil for flowing back into compressor housing bottom can be past
Multiple circulation.
Compressor is typically provided with air suction silencer, and air suction silencer bottom is equipped with inside connection air suction silencer
Oil leaking hole.When refrigerator oil flows back along air suction silencer housing exterior walls to compressor housing bottom, near oil leaking hole
Refrigerator oil is easily inhaled into inside air suction silencer under the drive of refrigerant, is finally pressed as the flowing of refrigerant is discharged from exhaust pipe
Contracting machine causes the oil spitting amount of compressor larger.
Summary of the invention
Based on this, it is necessary to for the big problem of oil spitting amount of compressor, provide a kind of air suction silencer and compressor.
A kind of air suction silencer, including：Shell, the bottom wall of shell are equipped with oil leaking hole, the inside company of oil leaking hole and shell
It is logical；And
Oil scraper ring, oil scraper ring are located at the periphery on the bottom wall of shell and being located at oil leaking hole, and the radial area of oil scraper ring is along remote
The direction of shrinking away from theshell body increases.
The radial area of oil scraper ring locally increases along the direction far from shell in one of the embodiments,.
Oil scraper ring includes the first ring body and the second ring body of coaxial arrangement in one of the embodiments, the first ring body
One end is connect with shell, and the other end is connect with the second ring body, and the first ring body and the second ring body are in straight tube shape, the diameter of the first ring body
Radial area to area less than the second ring body.
The first joint face of annular is formed between the first ring body and the second ring body in one of the embodiments, first connects
Junction is arranged perpendicular to the central axis of the first ring body or the first joint face relative to the inclined of the first ring body.
Oil scraper ring includes the third ring body and the 4th ring body of coaxial arrangement in one of the embodiments, third ring body
One end is connect with shell, and the other end is connect with the 4th ring body, and third ring body is in straight tube shape, and the 4th ring body is in horn-like and Fourth Ring
The radial area of body is gradually increased towards the direction far from third ring body.
The face area that the 4th ring body is connect with third ring body in one of the embodiments, is greater than the radial direction of third ring body
Area, the 4th ring body are connect by the second joint face of annular with third ring body.
The radial area of oil scraper ring is gradually increased along the direction far from shell in one of the embodiments,.
End face of the oil scraper ring far from shell is arranged relative to the inclined of oil scraper ring in one of the embodiments,.
Oil scraper ring is to be detachably connected with shell in one of the embodiments,.
A kind of compressor, the air suction silencer including any of the above scheme.
Beneficial effects of the present invention include：
It, can be by refrigerator oil that muffler shell outer wall adheres to and oil leak by the way that oil scraper ring is arranged in the periphery of oil leaking hole
Hole keeps apart, and is effectively improved the refrigerator oil of reflux by oil leaking hole and is inhaled into phenomenon inside muffler, reduces compressor
Oil spitting amount.In addition, the radial area of oil scraper ring increases along the direction far from shell, it is viscous to thereby increase muffler shell outer wall
Attached refrigerator oil enters the resistance of oil leaking hole, further reduced a possibility that refrigerator oil is inhaled into inside muffler,
The oil spitting amount of compressor is greatly reduced, the security reliability of compressor is improved.
Detailed description of the invention
Fig. 1 is the structural exploded view for the air suction silencer that one embodiment of the invention provides；
Fig. 2 is the assembling schematic diagram of structure shown in Fig. 1；
Fig. 3 is the elevational schematic view of structure shown in Fig. 2；
Fig. 4 is the right side view of structure shown in Fig. 2；
Fig. 5 is the structural schematic diagram for the oil scraper ring that one embodiment of the invention provides；
Fig. 6 be another embodiment of the present invention provides oil scraper ring structural schematic diagram；
Fig. 7 is the structural schematic diagram for the oil scraper ring that further embodiment of this invention provides；
Fig. 8 is the structural schematic diagram for the oil scraper ring that yet another embodiment of the invention provides；
Fig. 9 is the structural schematic diagram for the oil scraper ring that another embodiment of the present invention provides.
Wherein：
10- muffler；
100- shell；
110- oil leaking hole；120- threaded post；
200- oil scraper ring；
The first ring body of 210-；The second ring body of 220-；The first joint face of 230-；
240- third ring body；The 4th ring body of 250-；The second joint face of 260-.
Specific embodiment
In order to make the objectives, technical solutions, and advantages of the present invention clearer, by the following examples, it and combines attached
Figure, is further elaborated air suction silencer and compressor of the invention.It should be appreciated that specific reality described herein
Example is applied only to explain the present invention, is not intended to limit the present invention.
It should be noted that it can directly on the other element when element is referred to as " being fixed on " another element
Or there may also be elements placed in the middle.When an element is considered as " connection " another element, it, which can be, is directly connected to
To another element or it may be simultaneously present centering elements.On the contrary, when element is referred to as " directly existing " another element "upper",
There is no intermediary elements.Term as used herein "vertical", "horizontal", "left" and "right" and similar statement are
For illustrative purposes.
Referring to fig. 1 to fig. 3, the air suction silencer 10 that one embodiment of the invention provides, including shell 100 and gear oil
The bottom wall of ring 200, shell 100 is equipped with oil leaking hole 110, and oil leaking hole 110 is connected to the inside of shell 100.Oil scraper ring 200 is located at
The radial area of periphery on the bottom wall of shell 100 and positioned at oil leaking hole 110, oil scraper ring 200 increases along the direction far from shell 100
Greatly.
Wherein, the shape of oil scraper ring 200 can be a variety of, such as oil scraper ring 200 can be in circular ring shape, i.e. oil scraper ring
200 cross section is circular ring shape.Or the cross section of oil scraper ring 200 is in rectangle.Or the cross section of oil scraper ring 200 is in ellipse
Shape etc..
The air suction silencer 10 of the embodiment of the present invention can be incited somebody to action by the way that oil scraper ring 200 is arranged in the periphery of oil leaking hole 110
The refrigerator oil of 10 shell of muffler, 100 outer wall adherency is kept apart with oil leaking hole 110, and the refrigerator oil for being effectively improved reflux passes through
Oil leaking hole 110 is inhaled into the phenomenon inside muffler 10, reduces the oil spitting amount of compressor.In addition, the sagittal plane of oil scraper ring 200
Product increases along the direction far from shell 100, and the spacing between the wall surface and oil leaking hole 100 of oil scraper ring 200 increases, and thereby increases
The refrigerator oil of 10 shell of muffler, 100 outer wall adherency enters the resistance of oil leaking hole 110, further reduced refrigerator oil quilt
A possibility that 10 inside of absorbing silencer, greatly reduces the oil spitting amount of compressor, improves the security reliability of compressor.
Oil scraper ring 200 is located at the periphery on the bottom wall of shell 100 and being located at oil leaking hole 110, it will be understood that oil scraper ring 200
It can be spaced apart with oil leaking hole 110, i.e., be spaced apart a certain distance between oil scraper ring 200 and oil leaking hole 110.It can increase in this way
The distance between 200 outside wall surface of oil scraper ring and oil leaking hole 110 are adhered in 200 outside wall surface of oil scraper ring when being better protected from reflux
Refrigerator oil be sucked into inside shell 100.Oil scraper ring 200 and shell 100 can be dismountable connection or oil scraper ring
200 are also possible to be welded on shell 100 or oil scraper ring 200 and 100 integrally connected of shell.
Referring to Fig. 1, in one embodiment, oil scraper ring 200 is to be detachably connected with shell 100.For example, in shell 100
110 periphery of oil leaking hole of bottom wall is provided with cricoid threaded post 120, and one end inner wall of oil scraper ring 200 is equipped with matches with threaded post 120
The screw thread of conjunction.For another example, 110 periphery of oil leaking hole of 100 bottom wall of shell is provided with cricoid chimb, the outside wall surface of chimb is equipped with ring
Connected in star, one end inner wall of oil scraper ring 200 are equipped with the annular convex rib engaged with annular groove.By by oil scraper ring 200 and shell
100 are designed as dismountable connection type, can be convenient for selecting different oil scraper rings 200 according to the compressor of different model, size
It is installed with 1 shell of muffler, to increase the versatility of air suction silencer 10.
In the specific use process, the bottom wall of shell 100 is close to compressor for the air suction silencer 10 of the embodiment of the present invention
The direction of bottom oil sump, above-mentioned separate shell 100 also is understood as gravity direction.Referring to figs. 2 and 3, the radial direction of oil scraper ring 200
Area increases along the direction far from shell 100, it will be understood that the radial area for the part that oil scraper ring 200 is connect with shell 100 can
That designs is smaller, suitable for being adapted with the size of 10 shell of muffler, 100 bottom wall, convenient for the company of oil scraper ring 200 and shell 100
Connect, avoid oil scraper ring 200 radially projecting in shell 100 be unfavorable for refrigerator oil drop downward into compression motor spindle oil sump.Example
Such as, the outer diameter for the part for connecting oil scraper ring 200 with shell 100 is slightly less than the width of 100 bottom wall of shell, so as to shell 100 outside
The oil of wall can be flowed down smoothly.And the radial area of part of the oil scraper ring 200 far from shell 100 can design larger, be not necessarily to
It is limited to the size of 100 bottom wall of shell.By increasing the radial area of oil scraper ring 200, the part oil scraper ring 200 and leakage can be increased
The distance between oilhole 110, so that the refrigerator oil for increasing the adherency of muffler shell outer wall enters the resistance of oil leaking hole 110
Power.
As a kind of enforceable mode, the radial area of oil scraper ring 200 be can be along the direction part far from shell 100
Increase.It refers to it should be noted that part increases along the direction far from shell 100, at least the oil scraper ring 200 of certain a part
Radial area it is larger relative to rest part.Referring to fig. 2, Fig. 5 and Fig. 6, in one embodiment, oil scraper ring 200 include same
The first ring body 210 and the second ring body 220 of axis setting, one end of the first ring body 210 are connect with shell 100, the other end and second
Ring body 220 connects.First ring body 210 and the second ring body 220 are in straight tube shape, and the radial area of the first ring body 210 is less than second
The radial area of ring body 220.In the present embodiment, the radial area of the first ring body 210 of close shell 100 is further away from shell 100
The second ring body 220 radial area it is small, the radial area of the second ring body 220 increases relative to the radial area of the first ring body 210
Greatly.Thus the spacing between the side wall and oil leaking hole 110 of the second ring body 220 increases, so that it is viscous to increase muffler shell outer wall
Attached refrigerator oil enters the resistance of oil leaking hole 110.
It is connected with each other between first ring body 210 and the second ring body 220 by the first joint face 230 of annular.It is appreciated that
As shown in figure 5, the first joint face 230 can be the central axis setting relative to the first ring body 210.It is designed in this way, can make
The structure for obtaining oil scraper ring 200 is more compact, and the axial length of same radial dimension, oil scraper ring 200 is smaller.
Alternatively, as shown in fig. 6, the first joint face 230 can also be that the inclined relative to the first ring body 210 is set
It sets.The first ring body 210 and the second ring body 220 are connected by inclined first joint face 230,200 outside wall surface of oil scraper ring can be conducive to
On refrigerator oil flowed down along oil scraper ring 200, conducive to refrigerator oil be back to compression motor spindle oil sump in.
It is appreciated that the axial length of the first ring body 210 can design it is smaller, as long as the first ring body 210 guarantee and shell
Body 100 is reliably connected.Such as when oil scraper ring 200 is connected through a screw thread with shell 100, the axial direction of the first ring body 210
Length designs according to the reach of cooperation, is reliably connected as long as can be realized with shell 100.And the second ring body
220 axial length can be determined according to compressor inner space.The axial length of entire oil scraper ring 200 can be controlled in moderate model
In enclosing, effectively to stop refrigerator oil to be sucked into inside muffler 10, while save the cost, reduce occupied space.
Referring to figs. 7 and 8, in another embodiment, oil scraper ring 200 includes the third ring body 240 and the of coaxial arrangement
One end of four ring bodies 250, third ring body 240 is connect with shell 100, and the other end is connect with the 4th ring body 250.Third ring body 240
In straight tube shape, the 4th ring body 250 in horn-like and the 4th ring body 250 radial area towards far from third ring body 240 direction by
It is cumulative big.In the present embodiment, the radial area of the 4th ring body 250 is gradually increased towards the direction far from third ring body 240, and thus the
Spacing between the side wall and oil leaking hole 110 of four ring bodies 250 is gradually increased, to make muffler shell external on gravity direction
The resistance that the refrigerator oil of wall adherency enters oil leaking hole 110 is gradually increased, and refrigerator oil is effectively prevent to be inhaled into muffler
Inside 10.
It is appreciated that third ring body 240 can be directly connected with the 4th ring body 250, i.e. the 4th ring body 250 and third ring
The face area that body 240 connects with the radial area of third ring body 240 be it is equal, the two can directly be directed at connection.Alternatively,
As shown in figure 8, the face area that the 4th ring body 250 is connect with third ring body 240 is greater than the radial area of third ring body 240, the
Four ring bodies 250 are connect by the second joint face 260 of annular with third ring body 240.
It is appreciated that the axial length of third ring body 240 can design it is smaller, as long as third ring body 240 guarantee and shell
Body 100 is reliably connected.Such as when oil scraper ring 200 is connected through a screw thread with shell 100, the axial direction of third ring body 240
Length designs according to the reach of cooperation, is reliably connected as long as can be realized with shell 100.And the 4th ring body
250 axial length can be determined according to compressor inner space.The axial length of entire oil scraper ring 200 can be controlled in moderate model
In enclosing, effectively to stop refrigerator oil to be sucked into inside muffler 10, while save the cost, reduce occupied space.
Referring to Fig. 9, as another enforceable mode, the radial area of oil scraper ring 200 is along the direction far from shell 100
It is gradually increased.In this way, the spacing between oil scraper ring 200 and oil leaking hole 110 is gradually increased along gravity direction, muffler shell may make
The resistance that the refrigerator oil of external wall adherency enters oil leaking hole 110 is gradually increased, so that refrigerator oil be effectively prevent to be inhaled into
To inside muffler 10.
Referring to fig. 4, as a kind of enforceable mode, end face of the oil scraper ring 200 far from shell 100 is relative to oil scraper ring
200 inclined setting.By setting inclined-plane far from the end face of shell 100 for oil scraper ring 200, be conducive to refrigerator oil
It falls, is back to compression motor spindle oil sump conducive to refrigerator oil.
One embodiment of the invention additionally provides a kind of compressor, the air suction silencer 10 including any of the above-described embodiment.By
There is above-mentioned beneficial effect in air suction silencer 10, therefore compressor also has corresponding beneficial effect, details are not described herein.
Each technical characteristic of embodiment described above can be combined arbitrarily, for simplicity of description, not to above-mentioned reality
It applies all possible combination of each technical characteristic in example to be all described, as long as however, the combination of these technical characteristics is not deposited
In contradiction, all should be considered as described in this specification.
The embodiments described above only express several embodiments of the present invention, and the description thereof is more specific and detailed, but simultaneously
It cannot therefore be construed as limiting the scope of the patent.It should be pointed out that coming for those of ordinary skill in the art
It says, without departing from the inventive concept of the premise, various modifications and improvements can be made, these belong to protection of the invention
Range.Therefore, the scope of protection of the patent of the invention shall be subject to the appended claims.
Claims (10)
1. a kind of air suction silencer, which is characterized in that including：The bottom wall of shell (100), the shell (100) is equipped with oil leak
Hole (110), the oil leaking hole (110) are connected to the inside of the shell (100)；And
Oil scraper ring (200), the oil scraper ring (200) are located on the bottom wall of the shell (100) and are located at the oil leaking hole (110)
Periphery, the radial area of the oil scraper ring (200) increases along the direction far from the shell (100).
2. air suction silencer according to claim 1, which is characterized in that the radial area of the oil scraper ring (200) is along remote
Direction from the shell (100) locally increases.
3. air suction silencer according to claim 2, which is characterized in that the oil scraper ring (200) includes coaxial arrangement
One end of first ring body (210) and the second ring body (220), first ring body (210) is connect with the shell (100), another
End is connect with second ring body (220), and first ring body (210) and second ring body (220) are in straight tube shape, described
The radial area of first ring body (210) is less than the radial area of second ring body (220).
4. air suction silencer according to claim 3, which is characterized in that first ring body (210) and second ring
The first joint face (230) of annular is formed between body (220), first joint face (230) is perpendicular to first ring body
(210) central axis or first joint face (230) is arranged relative to the inclined of first ring body (210).
5. air suction silencer according to claim 2, which is characterized in that the oil scraper ring (200) includes coaxial arrangement
One end of third ring body (240) and the 4th ring body (250), the third ring body (240) is connect with the shell (100), another
End is connect with the 4th ring body (250), and the third ring body (240) is in straight tube shape, and the 4th ring body (250) is in horn-like
And the radial area of the 4th ring body (250) is gradually increased towards the direction far from the third ring body (240).
6. air suction silencer according to claim 5, which is characterized in that the 4th ring body (250) and the third ring
The face area of body (240) connection is greater than the radial area of the third ring body (240), and the 4th ring body (250) passes through ring
The second joint face (260) of shape is connect with the third ring body (240).
7. air suction silencer according to claim 1, which is characterized in that the radial area of the oil scraper ring (200) is along remote
Direction from the shell (100) is gradually increased.
8. air suction silencer according to claim 1-7, which is characterized in that the oil scraper ring (200) is far from institute
The end face for stating shell (100) is arranged relative to the inclined of the oil scraper ring (200).
9. air suction silencer according to claim 1-7, which is characterized in that the oil scraper ring (200) with it is described
Shell (100) is to be detachably connected.
10. a kind of compressor, which is characterized in that including such as described in any item air suction silencers of claim 1-9 (10).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810903361.5A CN108825468B (en) | 2018-08-09 | 2018-08-09 | Suction muffler and compressor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810903361.5A CN108825468B (en) | 2018-08-09 | 2018-08-09 | Suction muffler and compressor |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108825468A true CN108825468A (en) | 2018-11-16 |
| CN108825468B CN108825468B (en) | 2024-06-18 |
Family
ID=64153024
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810903361.5A Active CN108825468B (en) | 2018-08-09 | 2018-08-09 | Suction muffler and compressor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108825468B (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112211803A (en) * | 2020-09-28 | 2021-01-12 | 珠海格力节能环保制冷技术研究中心有限公司 | Silencer and compressor |
| CN113623172A (en) * | 2021-08-17 | 2021-11-09 | 广州万宝集团压缩机有限公司 | Air suction silencer, compressor and temperature adjusting equipment |
| CN113898558A (en) * | 2020-07-06 | 2022-01-07 | 安徽美芝制冷设备有限公司 | Silencer, compressor and refrigeration equipment |
| CN114439726A (en) * | 2020-10-30 | 2022-05-06 | 安徽美芝制冷设备有限公司 | Silencer, compressor and refrigeration equipment |
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| JPS61192582U (en) * | 1985-05-23 | 1986-11-29 | ||
| JPH11132146A (en) * | 1997-10-27 | 1999-05-18 | Kobe Steel Ltd | Oil separating/recovering device for oil injection type compressor |
| CN101684816A (en) * | 2008-09-28 | 2010-03-31 | 乐金电子(天津)电器有限公司 | silencer for compressor |
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| CN105179489A (en) * | 2015-09-23 | 2015-12-23 | 安徽江淮汽车股份有限公司 | Mounting structure of rear axle hub oil baffle plate |
| CN208702641U (en) * | 2018-08-09 | 2019-04-05 | 珠海格力节能环保制冷技术研究中心有限公司 | Air suction silencer and compressor |
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| JPS61192582U (en) * | 1985-05-23 | 1986-11-29 | ||
| JPH11132146A (en) * | 1997-10-27 | 1999-05-18 | Kobe Steel Ltd | Oil separating/recovering device for oil injection type compressor |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113898558A (en) * | 2020-07-06 | 2022-01-07 | 安徽美芝制冷设备有限公司 | Silencer, compressor and refrigeration equipment |
| CN112211803A (en) * | 2020-09-28 | 2021-01-12 | 珠海格力节能环保制冷技术研究中心有限公司 | Silencer and compressor |
| CN114439726A (en) * | 2020-10-30 | 2022-05-06 | 安徽美芝制冷设备有限公司 | Silencer, compressor and refrigeration equipment |
| CN113623172A (en) * | 2021-08-17 | 2021-11-09 | 广州万宝集团压缩机有限公司 | Air suction silencer, compressor and temperature adjusting equipment |
| CN113623172B (en) * | 2021-08-17 | 2022-12-09 | 广州万宝集团压缩机有限公司 | Air suction silencer, compressor and temperature adjusting equipment |
Also Published As
| Publication number | Publication date |
|---|---|
| CN108825468B (en) | 2024-06-18 |
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