CN107008169A - A kind of pneumatic control valve - Google Patents
A kind of pneumatic control valve Download PDFInfo
- Publication number
- CN107008169A CN107008169A CN201710339358.0A CN201710339358A CN107008169A CN 107008169 A CN107008169 A CN 107008169A CN 201710339358 A CN201710339358 A CN 201710339358A CN 107008169 A CN107008169 A CN 107008169A
- Authority
- CN
- China
- Prior art keywords
- control valve
- pneumatic control
- liquid
- seat
- needle
- 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.)
- Granted
Links
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
- B01F25/00—Flow mixers; Mixers for falling materials, e.g. solid particles
- B01F25/30—Injector mixers
- B01F25/31—Injector mixers in conduits or tubes through which the main component flows
- B01F25/312—Injector mixers in conduits or tubes through which the main component flows with Venturi elements; Details thereof
- B01F25/3121—Injector mixers in conduits or tubes through which the main component flows with Venturi elements; Details thereof with additional mixing means other than injector mixers, e.g. screens, baffles or rotating elements
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
- B01F25/00—Flow mixers; Mixers for falling materials, e.g. solid particles
- B01F25/20—Jet mixers, i.e. mixers using high-speed fluid streams
- B01F25/28—Jet mixers, i.e. mixers using high-speed fluid streams characterised by the specific design of the jet injector
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
- B01F23/00—Mixing according to the phases to be mixed, e.g. dispersing or emulsifying
- B01F23/40—Mixing liquids with liquids; Emulsifying
- B01F23/405—Methods of mixing liquids with liquids
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
- B01F25/00—Flow mixers; Mixers for falling materials, e.g. solid particles
- B01F25/30—Injector mixers
- B01F25/31—Injector mixers in conduits or tubes through which the main component flows
- B01F25/312—Injector mixers in conduits or tubes through which the main component flows with Venturi elements; Details thereof
- B01F25/3124—Injector mixers in conduits or tubes through which the main component flows with Venturi elements; Details thereof characterised by the place of introduction of the main flow
- B01F25/31242—Injector mixers in conduits or tubes through which the main component flows with Venturi elements; Details thereof characterised by the place of introduction of the main flow the main flow being injected in the central area of the venturi, creating an aspiration in the circumferential part of the conduit
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
- B01F25/00—Flow mixers; Mixers for falling materials, e.g. solid particles
- B01F25/30—Injector mixers
- B01F25/31—Injector mixers in conduits or tubes through which the main component flows
- B01F25/315—Injector mixers in conduits or tubes through which the main component flows wherein a difference of pressure at different points of the conduit causes introduction of the additional component into the main component
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K1/00—Lift valves or globe valves, i.e. cut-off apparatus with closure members having at least a component of their opening and closing motion perpendicular to the closing faces
- F16K1/32—Details
- F16K1/34—Cutting-off parts, e.g. valve members, seats
- F16K1/36—Valve members
- F16K1/38—Valve members of conical shape
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K11/00—Multiple-way valves, e.g. mixing valves; Pipe fittings incorporating such valves
- F16K11/10—Multiple-way valves, e.g. mixing valves; Pipe fittings incorporating such valves with two or more closure members not moving as a unit
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K3/00—Gate valves or sliding valves, i.e. cut-off apparatus with closing members having a sliding movement along the seat for opening and closing
- F16K3/22—Gate valves or sliding valves, i.e. cut-off apparatus with closing members having a sliding movement along the seat for opening and closing with sealing faces shaped as surfaces of solids of revolution
- F16K3/24—Gate valves or sliding valves, i.e. cut-off apparatus with closing members having a sliding movement along the seat for opening and closing with sealing faces shaped as surfaces of solids of revolution with cylindrical valve members
- F16K3/26—Gate valves or sliding valves, i.e. cut-off apparatus with closing members having a sliding movement along the seat for opening and closing with sealing faces shaped as surfaces of solids of revolution with cylindrical valve members with fluid passages in the valve member
- F16K3/262—Gate valves or sliding valves, i.e. cut-off apparatus with closing members having a sliding movement along the seat for opening and closing with sealing faces shaped as surfaces of solids of revolution with cylindrical valve members with fluid passages in the valve member with a transverse bore in the valve member
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K3/00—Gate valves or sliding valves, i.e. cut-off apparatus with closing members having a sliding movement along the seat for opening and closing
- F16K3/30—Details
- F16K3/314—Forms or constructions of slides; Attachment of the slide to the spindle
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K31/00—Actuating devices; Operating means; Releasing devices
- F16K31/12—Actuating devices; Operating means; Releasing devices actuated by fluid
- F16K31/126—Actuating devices; Operating means; Releasing devices actuated by fluid the fluid acting on a diaphragm, bellows, or the like
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Nozzles (AREA)
Abstract
A kind of pneumatic control valve, is mainly made up of the jet mixer, hydraulic control valve and pneumatic control valve of Venturi tube structure.When having the flowing of the first liquid in jet mixer negative pressure is produced in vacuum noz(zle) and imbibition nozzle, at this moment button is pressed, the outlet side of connecting hole is set to be connected with outlet nozzle, negative pressure maintains above-mentioned conducting state, and upward shrink of air pressure bag is lifted needle-valve, the second liquid in second liquid container is flowed into after the first liquid flowed into jet mixer with the first liquid container is mixed into the mixed solution of even concentration by the space between needle-valve and needle seating and flows into mixed solution container again.
Description
Technical field
The synchronization of the mixed solution of even concentration is mixed into the present invention relates to a kind of liquid for two or more
Mixing arrangement, belongs to the optimisation technique of liquid mixing.
Background technology
Industrially and life in, many occasions need by two or more liquid synchronized mixes into concentration more
Uniform mixed solution.
In chemical process, also often need a kind of chemical materials and another chemical materials synchronized mixes turning into dense
The more uniform mixed solution of degree.If, it is necessary to for a long time by the way of a kind of liquid is directly poured into another liquid
Stirring could be well mixed, also, some liquid may occur chemical change and cause mixed mixing in mixed process
Solution does not meet production requirement.
In addition, concentration could be generated and more uniformly wash by being also required to constantly to add detergent during washing machine inflow
Clothing liquid, if disposably pouring into by detergent and clothing segment can be caused not washed clean due to not reaching detergent, and has
A little places are again because detergent concentration is excessive and causes to fade or even damage.
It is, thus, sought for a kind of, two or more liquid synchronously can be mixed into concentration more uniform
The device of mixed solution.
The content of the invention
The purpose of the present invention is；Offer is a kind of to be synchronously mixed into concentration more by two or more liquid
The device of uniform mixed solution.
The technical scheme is that：A kind of pneumatic control valve, the entrance point of the jet mixer of Venturi tube structure and
One liquid container is connected, and the port of export is connected with mixed solution container；Jet mixer 1 narrow positions provided with it is outstanding with
The imbibition nozzle 11 and vacuum noz(zle) 12 of connection inside jet mixer；Described imbibition nozzle is gone out by liquid line and hydraulic control valve
Liquid mouth is connected, and described vacuum noz(zle) is connected by tracheae with the outlet nozzle of pneumatic control valve, the inlet end of pneumatic control valve
It is connected through a screw thread with the outlet side of hydraulic control valve, hydraulic control valve is connected with second liquid container；Described hydraulic control
Valve 2 is mainly made up of hydraulic control valve seat 21, needle-valve 22, air pressure bag 23, hydraulic spring grease cup 24, pivot pin 25 and hydraulic sealing ring 26；
Described pneumatic control valve 3 is main to be made up of pneumatic control valve seat 31, gas spring 32, piston and stop bit lid 35, described work
Plug is made up of piston head 33, piston rod 34, button 36 and fixed screw 37；There is liquid flow out-of-date in jet mixer, inhaling
Negative pressure is produced in valve and imbibition nozzle, by lower piston, the negative pressure that pneumatic control valve is in open mode, vacuum noz(zle) is passed through gas
Pressure control valve is delivered to hydraulic control valve, and opening hydraulic control valve enables the second liquid in second liquid container by imbibition nozzle
Mixed solution container is flowed into again after being mixed in interior negative pressure suction jet mixer with the first liquid flowed into the first liquid container；
Described pneumatic control valve seat 31 is the hollow cylindrical of upper opening, in the bottom of pneumatic control valve seat endoporus provided with one piece of separation
Plate 311, is divided into gas control space above and underlying connection space, air pressure by the pore space of pneumatic control valve seat
The connection space of control valve seat and the connecting seat of hydraulic control valve are connected through a screw thread or bayonet connection or socket；In described point
The concatenation hole 312 in connection space and gas control space is communicated with dividing plate 311；In gas control space, in pneumatic control valve seat
Side wall is provided with outwardly protruding outlet nozzle 313, and outlet nozzle is connected by tracheae with vacuum noz(zle) 12；Gas spring is placed in gas
Control on the demarcation strip in space, it is fixed from down-set one of inwall of the top edge of pneumatic control valve along pneumatic control valve seat
Position groove 314；It is more than or equal to the centre bore of diameter of piston rod provided with aperture along the central shaft of stop bit lid 35, along stop bit base wall side
Edge sets the stop bit bead to lower process, and stop bit bead and the endoporus formation negative and positive of pneumatic control valve seat coordinate, outside stop bit lid
Footpath is more than the diameter of bore of pneumatic control valve seat；The top of piston head is fixed on the bottom wall of piston boit, in piston head close to living
The side wall of stick harness sets outwardly protruding positioning key 38 so that when piston head is moved up and down in gas control space, and positioning key 38 is inserted
Enter in locating slot 314 and moved up and down along locating slot, prevent piston head from rotating, and limit the amplitude that piston head is moved up and down；
The top of piston boit is passed through to the centre bore of stop bit lid from stop bit bead one end of stop bit lid, then consolidated button by fixed screw
It is scheduled at the top of piston boit, the end of piston head is downwardly into pneumatic control valve seat, positioning key is entered in locating slot, stop bit lid
It is screwed in by being located at the external thread rotary of stop bit bead outer wall on the internal thread of pneumatic control valve seat top entry, fixes stop bit lid
On pneumatic control valve seat top, the end of piston head props up gas spring, and a horizontal stroke by interconnecting is provided with piston head
The connecting hole 39 of pipe and a longitudinal tubule (L tubule) composition, the outlet side of described connecting hole is located on the piston rostral wall below positioning key,
Inlet end is located on the bottom wall of piston head, and axis of the longitudinal tubule (L tubule) along piston head is set, and transverse tube and longitudinal tubule (L tubule) vertical connection make connecting hole
Connected all the time with air pressure bag by the concatenation hole on demarcation strip；Pressing button moves down piston head, when the lower end of positioning key
When face props up the bottom wall of locating slot, piston head can not be moved still further below, at this moment, and the outlet side of connecting hole is connected with outlet nozzle.
When not pressing button, the outlet side of connecting hole is located above the inlet end of outlet nozzle, and both do not connect；In connecting seat
Outer wall below external screw thread is provided with more than one airflow hole, the space between described airflow hole and connecting seat and air pressure bag
Connection；Form tight fit between the endoporus of outer wall and the pneumatic control valve seat of described piston head, piston head can external force work
Moved up and down with lower along pneumatic control valve seat endoporus axis.
Described hydraulic control valve seat 21 is the hollow T-shaped pipe with three ports, and port directed downwardly is and the second liquid
The liquid inlet port 211 that body container is connected, the port of side is the liquid outlet 212 connect with imbibition nozzle 11, port upward for
The connecting seat 213 of the inlet end threaded connection of pneumatic control valve, three ports are led mutually by the through hole in hydraulic control valve seat
It is logical；Described liquid inlet port 211 and connecting seat 213 are coaxial, and the axis of liquid outlet is vertical with the axis of liquid inlet port and connecting seat；
The inlet end of connecting seat and pneumatic control valve forms a hollow regulation space after being screwed together；Described air pressure bag is upper
The cylindrical structural of portion's open hollow, openend towards pneumatic control valve inlet end, in air pressure bag away from pneumatic control valve
End face is provided with the fixed seat raised to liquid inlet port direction, and the fixed seat of air pressure bag is downwardly into the through hole of connecting seat bottom wall central
It is interior；Provided with the fold that can be stretched in the presence of external force on the cylindrical outer wall of air pressure bag, air pressure bag presses its axis and company
The coaxial mode of joint chair is placed in regulation space；Hydraulic spring grease cup is placed in air pressure bag by the mode coaxial with air pressure bag；Pin
Valve is constituted by one section of cylinder and by the cone at cone bottom of an end face of cylinder, and the top of needle-valve cylindrical portion is inserted
Enter fixed seat, then locked together fixed seat and needle-valve by pivot pin 25；Hydraulic pressure control between liquid outlet and regulation space
The bead 214 to inner process is provided with valve seat through-hole processed, needle-valve is moved in the presence of external force along the axis of bead,
In bead towards seal groove 215 is provided with the wall of its axis, hydraulic sealing ring 26 is placed in seal groove；Under liquid outlet
The needle seating 216 to inner process is provided with the liquid inlet port endoporus of side, the tip of needle-valve is passed through from bead 214 to the direction of liquid inlet port
Needle seating is then passed through after hydraulic sealing ring, needle-valve is completely plugged by the endoporus of needle seating；Needle-valve can in the presence of external force to
On lift to make to produce between needle seating and needle-valve and space or move down needle seating is completely plugged.
Piston head outer wall above connecting hole outlet side is provided with upper seal groove, and upper sealing ring is placed in seal groove,
Piston head outer wall below connecting hole outlet side sets gradually the middle seal groove and lower seal groove cavity parallel with upper seal groove, in it is close
Seal is placed in middle seal groove, and lower seal is placed in lower seal groove cavity.
When not pressing lower piston, outlet side, upper sealing ring and the middle sealing ring all positions of the connecting hole of described piston head
Above the inlet end of outlet nozzle, lower seal is located at below the inlet end of outlet nozzle.
When by lower piston, described upper sealing ring is located above the inlet end of outlet nozzle, middle sealing ring and lower seal
Below the inlet end of outlet nozzle, connecting hole is connected with outlet nozzle.
When needing two or more liquid mixing, set accordingly on jet mixer more than one group imbibition nozzle and
Vacuum noz(zle), every group of imbibition nozzle and vacuum noz(zle), which are correspondingly arranged one group of hydraulic control valve and pneumatic control valve, can realize plurality of liquid
Mix simultaneously.
Beneficial effect
1st, have in jet mixer the first liquid flowing when negative pressure is produced in vacuum noz(zle) and imbibition nozzle, at this moment press by
Button, makes the outlet side of connecting hole be connected with outlet nozzle, and negative pressure maintains above-mentioned conducting state, and upward shrink of air pressure bag is lifted pin
Valve, second liquid in second liquid container is flowed into jet mixer with first by the space between needle-valve and needle seating
The first liquid that liquid container is flowed into flows into mixed solution container again after being mixed into the mixed solution of even concentration.
Brief description of the drawings
Fig. 1 is the agent structure schematic diagram of the present invention；
Fig. 2 is the hydraulic control valve and the partial cutaway schematic that is closed of pneumatic control valve of the present invention；
Fig. 3 is the hydraulic control valve of the present invention and the figure that pops of pneumatic control valve；
Fig. 4 is that the hydraulic control valve and pneumatic control valve of the present invention are in the partial cutaway schematic of open mode；
Fig. 5 is the diagrammatic cross-section of the pneumatic control valve seat of the present invention；
Fig. 6 is the diagrammatic cross-section of the hydraulic control valve seat of the present invention；
Fig. 7 is the piston rod of the present invention and the broken isometric schematic diagram of piston head.
Embodiment
As shown in figure 1, a kind of pneumatic control valve, mainly by the jet mixer 1 of Venturi tube structure, the and of hydraulic control valve 2
Pneumatic control valve 3 is constituted.
As shown in Figures 2 and 3, in the jet mixer between the narrow positions and the port of export of described jet mixer
Catch is set, liquid pass hole is left between catch and the inwall of jet mixer, described catch is taper, and the vertex of a cone is mixed towards jet
The narrow positions of clutch, is conformed with the outer wall of catch towards entrance point；The entrance point of jet mixer and the first liquid hold
Device is connected, and the port of export is connected with mixed solution container；Jet mixer 1 narrow positions provided with outstanding and jet mixing
The imbibition nozzle 11 and vacuum noz(zle) 12 of connection inside device；Described imbibition nozzle is connected by liquid line with the liquid outlet of hydraulic control valve
Logical, described vacuum noz(zle) is connected by tracheae with the outlet nozzle of pneumatic control valve, inlet end and the hydraulic pressure control of pneumatic control valve
The outlet side of valve processed is connected through a screw thread, and hydraulic control valve is connected with second liquid container.
As shown in fig. 6, described hydraulic control valve 2 is main by hydraulic control valve seat 21, needle-valve 22, air pressure bag 23, hydraulic pressure
Spring 24, pivot pin 25 and hydraulic sealing ring 26 are constituted.
As shown in figure 5, described pneumatic control valve 3 is main by pneumatic control valve seat 31, gas spring 32, piston and stop bit
Lid 35 is constituted, and described piston is made up of piston head 33, piston rod 34, button 36 and fixed screw 37；In jet mixer
There is liquid flow out-of-date, negative pressure is produced in vacuum noz(zle) and imbibition nozzle, by lower piston, pneumatic control valve is in open mode, inhale
Negative pressure in valve is delivered to hydraulic control valve by pneumatic control valve, and opening hydraulic control valve makes the in second liquid container
Two liquid can be sucked by the negative pressure in imbibition nozzle and mixed in jet mixer with the first liquid flowed into the first liquid container
Flow into mixed solution container again afterwards.
Described hydraulic control valve seat 21 is the hollow T-shaped pipe with three ports, and port directed downwardly is and the second liquid
The liquid inlet port 211 that body container is connected, the port of side is the liquid outlet 212 connect with imbibition nozzle 11, port upward for
The connecting seat 213 of the inlet end threaded connection of pneumatic control valve, three ports are led mutually by the through hole in hydraulic control valve seat
It is logical；Described liquid inlet port 211 and connecting seat 213 are coaxial, and the axis of liquid outlet is vertical with the axis of liquid inlet port and connecting seat.
The inlet end of connecting seat and pneumatic control valve forms a hollow regulation space after being screwed together；Described gas
Briquetting is the hollow cylindrical structural of upper opening, openend towards pneumatic control valve inlet end, in air pressure bag away from air pressure
The end face of control valve is provided with the fixed seat raised to liquid inlet port direction, and the fixed seat of air pressure bag is downwardly into connecting seat bottom wall
In the through hole of the heart.
Provided with the fold that can be stretched in the presence of external force on the cylindrical outer wall of air pressure bag, air pressure bag presses its axis
Coaxial mode is placed in regulation space with connecting seat；Hydraulic spring grease cup is placed in air pressure bag by the mode coaxial with air pressure bag
It is interior.The edge of air pressure bag upper opening compresses the inlet end of pneumatic control valve, lower section fixed seat insertion connecting seat bottom wall central
In through hole, make one top of air pressure bag formation be connected with pneumatic control valve below the phase that is connected with the endoporus of hydraulic control valve seat
To independent space, space is formed between the side wall of air pressure bag and the inwall in regulation space.
Needle-valve is constituted by one section of cylinder and by the cone at cone bottom of an end face of cylinder, by needle-valve cylinder portion
The top insertion fixed seat divided, then locked together fixed seat and needle-valve by pivot pin 25；Liquid outlet with regulation space it
Between hydraulic control valve seat through-hole in be provided with to inner process bead 214, make needle-valve can be along bead in the presence of external force
Axis is moved, and in bead towards seal groove 215 is provided with the wall of its axis, hydraulic sealing ring 26 is placed in into seal groove
In, the part of hydraulic sealing ring outwardly is fixed in seal groove, and part protrusion inwardly is outside bead.Below liquid outlet
The needle seating 216 to inner process is provided with liquid inlet port endoporus, the direction of the tip of needle-valve from bead 214 to liquid inlet port passes through hydraulic pressure
Needle seating is then passed through after sealing ring, needle-valve is completely plugged by the endoporus of needle seating；Needle-valve can upwards be carried in the presence of external force
Rising makes to produce space between needle seating and needle-valve or moves down needle seating is completely plugged.
Needle-valve is lifted up higher, and the space between needle-valve and needle seating is bigger, and the amplitude that needle-valve is lifted up depends on
In the size of the negative pressure produced in vacuum noz(zle).No matter needle-valve is in any state, and in hydraulic sealing ring is all needle-valve
Cylindrical portion, hydraulic sealing ring makes passage below be separated with the passage above it, so that what is produced in vacuum noz(zle) is negative
Pressure energy is enough delivered in air pressure bag, is separated down to during hydraulic sealing ring, makes air pressure bag compress to inhale pin upwards
Valve moves up the passage for opening second liquid flowing in hydraulic control valve, and second liquid by hydraulic sealing ring also because being hindered
Every from being unable to flow up into air pressure bag, liquid outlet can only be flowed into side.
Described pneumatic control valve seat 31 is the hollow cylindrical of upper opening, is provided with the bottom of pneumatic control valve seat endoporus
One piece of demarcation strip 311, is divided into gas control space above and underlying connection by the pore space of pneumatic control valve seat
Space, the connection space of pneumatic control valve seat and the connecting seat of hydraulic control valve are connected through a screw thread or bayonet connection or socket.
In actual application, what the internal thread being preferably provided with the inwall of connection space on the connecting seat with hydraulic control valve matched
External screw thread.
The concatenation hole 312 in connection space and gas control space is communicated with described demarcation strip 311；In gas control space
It is interior, outwardly protruding outlet nozzle 313 is provided with the side wall of pneumatic control valve seat, outlet nozzle is connected by tracheae with vacuum noz(zle) 12
It is logical；Gas spring is placed on the demarcation strip in gas control space, from pneumatic control valve seat top edge along pneumatic control valve seat
The down-set locating slot 314 of inwall；It is more than or equal to diameter of piston rod provided with aperture along the central shaft of stop bit lid 35
Centre bore, the stop bit bead to lower process, stop bit bead and the endoporus shape of pneumatic control valve seat are set along stop bit lid bottom wall edge
Coordinate into negative and positive, the external diameter of stop bit lid is more than the diameter of bore of pneumatic control valve seat；The top of piston head is fixed on piston boit
On bottom wall, outwardly protruding positioning key 38 is set close to the side wall of piston boit in piston head so that piston head is in gas control space
When moving up and down, move up and down in the insertion locating slot 314 of positioning key 38 and along locating slot, prevent piston head from rotating, and limit
The amplitude that piston head is moved up and down；The top of piston boit is passed through to the centre bore of stop bit lid from stop bit bead one end of stop bit lid,
Button is fixed at the top of piston boit by fixed screw again, the end of piston head is downwardly into pneumatic control valve seat, it is fixed to make
Position key enters in locating slot, and stop bit lid is screwed in pneumatic control valve seat top entry by being located at the external thread rotary of stop bit bead outer wall
Internal thread on, make stop bit lid be fixed on pneumatic control valve seat top on, the end of piston head props up gas spring.
As shown in fig. 7, provided with the connecting hole 39 being made up of the transverse tube and a longitudinal tubule (L tubule) that interconnect on piston head,
The outlet side of described connecting hole is located on the piston rostral wall below positioning key, and inlet end is located on the bottom wall of piston head, indulges
Axis of the pipe along piston head is set, transverse tube and longitudinal tubule (L tubule) vertical connection, make connecting hole by the concatenation hole on demarcation strip all the time with
Air pressure bag is connected.
Pressing button moves down piston head, and when the lower surface of positioning key props up the bottom wall of locating slot, piston head is not
It can move still further below, at this moment, the outlet side of connecting hole is connected with outlet nozzle.
When not pressing button, the outlet side of connecting hole is located above the inlet end of outlet nozzle, and both do not connect；Gas spring
Diameter be less than piston head diameter；More than one airflow hole is provided with the outer wall below connecting seat external screw thread, it is described
Space between airflow hole and connecting seat and air pressure bag is connected；Between the endoporus of outer wall and the pneumatic control valve seat of described piston head
Form tight fit, piston head can be moved up and down along pneumatic control valve seat endoporus axis in the presence of external force.
Piston head outer wall above connecting hole outlet side is provided with upper seal groove, and upper sealing ring is placed in seal groove,
Piston head outer wall below connecting hole outlet side sets gradually the middle seal groove and lower seal groove cavity parallel with upper seal groove, in it is close
Seal is placed in middle seal groove, and lower seal is placed in lower seal groove cavity.
As shown in Fig. 2 when not pressing lower piston, the outlet side of the connecting hole of described piston head, upper sealing ring and in
Sealing ring is all located above the inlet end of outlet nozzle, and lower seal is located at below the inlet end of outlet nozzle.
As shown in figure 4, when by lower piston, described upper sealing ring is located above the inlet end of outlet nozzle, middle sealing ring
Below the inlet end for being located at outlet nozzle with lower seal, connecting hole is connected with outlet nozzle.
In the application, when the first liquid flow incident flow blender in the first liquid container, flowed in jet mixer
Make to produce negative pressure in vacuum noz(zle) and imbibition nozzle, this is, by lower piston, piston compresses gas spring, makes the connecting hole on piston head
Outlet side, outlet nozzle be connected with vacuum noz(zle), make pneumatic control valve seat be in negative pressure state, so as to overcome the pressure of gas spring
Power, makes the position of piston head constant, continues to keep connecting hole to connect with outlet nozzle, the negative pressure in vacuum noz(zle) is further through air pressure control
Valve is delivered in air pressure bag, make air pressure bag fold shrink overcome the pressure of hydraulic spring grease cup to be lifted up needle-valve, make needle-valve with
Space is produced between needle seating, imbibition nozzle is connected with liquid inlet port, make to produce negative pressure, the second liquid being connected with liquid inlet port in liquid inlet port
Second liquid in container enters liquid outlet by the space between liquid inlet port and needle-valve and needle seating, is then entered by imbibition nozzle
In incident flow blender together with Outlet-side flow from the first liquid to jet mixer, impinge upon and form concentration more on catch
Uniform mixed solution.
When this first liquid stops into fashionable, the negative pressure in vacuum noz(zle) and imbibition nozzle all disappears, and gas spring resets, will
The upward jack-up of piston head, outlet side and the outlet nozzle of connecting hole are disconnected, and accordingly, hydraulic spring grease cup is also resetted, and needle-valve is pressed downward
It is set to block needle seating, second liquid stops entering in jet mixer.
When needing two or more liquid mixing, it is only necessary to corresponding that more than one group of suction is set on jet mixer
Liquid mouth and vacuum noz(zle), every group of imbibition nozzle and vacuum noz(zle) be correspondingly arranged one group of hydraulic control valve and pneumatic control valve can realize it is many
Liquid is planted to mix simultaneously.
Above-described embodiment is intended merely to the purposes of the interpretation present invention, and is not limitation of the present invention, this technology
The those of ordinary skill in field, in the essential scope of the present invention, makes a variety of changes or substitutes, and should also belong to the guarantor of the present invention
Protect category.
Claims (7)
1. a kind of pneumatic control valve, it is characterised in that：The entrance point of the jet mixer of Venturi tube structure and the first liquid container
It is connected, the port of export is connected with mixed solution container；Jet mixer (1) narrow positions provided with outstanding and jet mixing
The imbibition nozzle (11) and vacuum noz(zle) (12) of connection inside device；Described imbibition nozzle passes through liquid line and the liquid outlet of hydraulic control valve
It is connected, described vacuum noz(zle) is connected by tracheae with the outlet nozzle of pneumatic control valve, the inlet end and liquid of pneumatic control valve
The outlet side of pressure control valve is connected through a screw thread, and hydraulic control valve is connected with second liquid container；Described hydraulic control valve (2)
Mainly by hydraulic control valve seat (21), needle-valve (22), air pressure bag (23), hydraulic spring grease cup (24), pivot pin (25) and hydraulic sealing ring
(26) constitute；Described pneumatic control valve (3) is main by pneumatic control valve seat (31), gas spring (32), piston and stop bit lid
35 compositions, described piston is made up of piston head (33), piston rod (34), button (36) and fixed screw (37)；It is mixed in jet
There is liquid flow out-of-date in clutch, negative pressure is produced in vacuum noz(zle) and imbibition nozzle, by lower piston, pneumatic control valve is in open shape
Negative pressure in state, vacuum noz(zle) is delivered to hydraulic control valve by pneumatic control valve, and opening hydraulic control valve makes second liquid container
In second liquid can be sucked by the negative pressure in imbibition nozzle in jet mixer with the first liquid for being flowed into the first liquid container
Mixed solution container is flowed into again after body mixing；Described pneumatic control valve seat (31) is the hollow cylindrical of upper opening, in air pressure control
The pore space of pneumatic control valve seat is divided into gas above by the bottom of valve seat endoporus processed provided with one piece of demarcation strip (311)
Space and underlying connection space are controlled, the connection space of pneumatic control valve seat and the connecting seat of hydraulic control valve pass through screw thread
Connection or bayonet connection or socket；The concatenation hole in connection space and gas control space is communicated with described demarcation strip (311)
(312)；In gas control space, outwardly protruding outlet nozzle (313) is provided with the side wall of pneumatic control valve seat, outlet nozzle passes through
Tracheae is connected with vacuum noz(zle) (12)；Gas spring is placed on the demarcation strip in gas control space, from the upper of pneumatic control valve seat
An inwall down-set locating slot (314) of the portion edge along pneumatic control valve seat；Hole is provided with along the central shaft of stop bit lid (35)
Footpath is more than or equal to the centre bore of diameter of piston rod, and the stop bit bead to lower process is set along stop bit lid bottom wall edge, and stop bit is dashed forward
The endoporus formation negative and positive of edge and pneumatic control valve seat coordinate, and the external diameter of stop bit lid is more than the diameter of bore of pneumatic control valve seat；It is living
The top of chock plug is fixed on the bottom wall of piston boit, and outwardly protruding positioning key is set close to the side wall of piston boit in piston head
(38) so that when piston head is moved up and down in gas control space, in positioning key (38) insertion locating slot (314) and along locating slot
Move up and down, prevent piston head from rotating, and limit the amplitude that piston head is moved up and down；By the top of piston boit stopping from stop bit lid
Position bead one end passes through the centre bore of stop bit lid, then button is fixed at the top of piston boit by fixed screw, by piston head
End is downwardly into pneumatic control valve seat, positioning key is entered in locating slot, and stop bit lid is by being located at the outer of stop bit bead outer wall
Screwed makes stop bit lid be fixed on pneumatic control valve seat top, piston on the internal thread of pneumatic control valve seat top entry
The end of head props up gas spring, provided with the connecting hole being made up of the transverse tube interconnected and a longitudinal tubule (L tubule) on piston head
(39), the outlet side of described connecting hole is located on the piston rostral wall below positioning key, and inlet end is located at the bottom wall of piston head
On, axis of the longitudinal tubule (L tubule) along piston head is set, transverse tube and longitudinal tubule (L tubule) vertical connection, connecting hole is begun by the concatenation hole on demarcation strip
Connected eventually with air pressure bag；Pressing button moves down piston head, when the lower surface of positioning key props up the bottom wall of locating slot, living
Chock plug can not be moved still further below, at this moment, and the outlet side of connecting hole is connected with outlet nozzle.
2. pneumatic control valve according to claim 1, it is characterised in that：When not pressing button, the outlet side position of connecting hole
Above the inlet end of outlet nozzle, both do not connect；More than one air-flow is provided with the outer wall below connecting seat external screw thread
Hole, described airflow hole is connected with the space between connecting seat and air pressure bag；The outer wall and pneumatic control valve of described piston head
Tight fit is formed between the endoporus of seat, piston head can be moved down in the presence of external force along along pneumatic control valve seat endoporus axis
It is dynamic.
3. pneumatic control valve according to claim 1, it is characterised in that：Described hydraulic control valve seat (21) is hollow
T-shaped pipe with three ports, port directed downwardly is the liquid inlet port (211) being connected with second liquid container, the port of side
For the liquid outlet (212) connected with imbibition nozzle (11), port upward is the company being threadedly coupled with the inlet end of pneumatic control valve
Joint chair (213), three ports are mutually conducted by the through hole in hydraulic control valve seat；Described liquid inlet port (211) and connecting seat
(213) coaxially, the axis of liquid outlet is vertical with the axis of liquid inlet port and connecting seat；The air inlet of connecting seat and pneumatic control valve
End forms a hollow regulation space after being screwed together；Described air pressure bag is the hollow cylindrical structural of upper opening,
Openend is provided with prominent to liquid inlet port direction towards the inlet end of pneumatic control valve on end face of the air pressure bag away from pneumatic control valve
The fixed seat risen, the fixed seat of air pressure bag is downwardly into the through hole of connecting seat bottom wall central；In the cylindrical outer wall of air pressure bag
Provided with the fold that can be stretched in the presence of external force, air pressure bag is placed in regulation by the coaxial mode of its axis and connecting seat
In space；Hydraulic spring grease cup is placed in air pressure bag by the mode coaxial with air pressure bag；Needle-valve is by one section of cylinder and with cylinder
An end face be the cone composition at cone bottom, fixed seat is inserted on the top of needle-valve cylindrical portion, then pass through pivot pin (25)
Fixed seat and needle-valve are locked together；Provided with inwardly prominent in hydraulic control valve seat through-hole between liquid outlet and regulation space
Rise bead (214), needle-valve is moved in the presence of external force along the axis of bead, bead towards its axis wall
Face is provided with seal groove (215), and hydraulic sealing ring (26) is placed in seal groove；In liquid inlet port endoporus below liquid outlet
Provided with the needle seating (216) to inner process, the tip of needle-valve is passed through after hydraulic sealing ring from bead (214) to the direction of liquid inlet port
Needle seating is then passed through, needle-valve is completely plugged by the endoporus of needle seating；Needle-valve can be lifted up making needle-valve in the presence of external force
Space is produced between seat and needle-valve or is moved down needle seating is completely plugged.
4. pneumatic control valve according to claim 1, it is characterised in that：Piston head outer wall above connecting hole outlet side
Provided with upper seal groove, upper sealing ring is placed in seal groove, and the piston head outer wall below connecting hole outlet side is set gradually
The middle seal groove parallel with upper seal groove and lower seal groove cavity, middle sealing ring are placed in middle seal groove, and lower seal is placed in down
In seal groove.
5. pneumatic control valve according to claim 4, it is characterised in that：When not pressing lower piston, described piston head
Outlet side, upper sealing ring and the middle sealing ring of connecting hole be all located above the inlet end of outlet nozzle, lower seal is located at outlet
Below the inlet end of mouth.
6. pneumatic control valve according to claim 4, it is characterised in that：When by lower piston, described upper sealing ring position
Above the inlet end of outlet nozzle, middle sealing ring and lower seal are located at below the inlet end of outlet nozzle, connecting hole and outlet nozzle
It is connected.
7. pneumatic control valve according to claim 1, it is characterised in that：When needing two or more liquid mixing, phase
That answers sets more than one group of imbibition nozzle and vacuum noz(zle) on jet mixer, and every group of imbibition nozzle and vacuum noz(zle) are correspondingly arranged one group
Hydraulic control valve and pneumatic control valve are that can realize that plurality of liquid is mixed simultaneously.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710339358.0A CN107008169B (en) | 2014-09-12 | 2014-09-12 | A kind of pneumatic control valve |
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410466399.2A CN105457515B (en) | 2014-09-12 | 2014-09-12 | A synchronous mixing device |
| CN201710339358.0A CN107008169B (en) | 2014-09-12 | 2014-09-12 | A kind of pneumatic control valve |
Related Parent Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410466399.2A Division CN105457515B (en) | 2014-09-12 | 2014-09-12 | A synchronous mixing device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107008169A true CN107008169A (en) | 2017-08-04 |
| CN107008169B CN107008169B (en) | 2019-08-16 |
Family
ID=55595935
Family Applications (3)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710337509.9A Active CN107029573B (en) | 2014-09-12 | 2014-09-12 | A kind of synchronized mixes device |
| CN201410466399.2A Expired - Fee Related CN105457515B (en) | 2014-09-12 | 2014-09-12 | A synchronous mixing device |
| CN201710339358.0A Active CN107008169B (en) | 2014-09-12 | 2014-09-12 | A kind of pneumatic control valve |
Family Applications Before (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710337509.9A Active CN107029573B (en) | 2014-09-12 | 2014-09-12 | A kind of synchronized mixes device |
| CN201410466399.2A Expired - Fee Related CN105457515B (en) | 2014-09-12 | 2014-09-12 | A synchronous mixing device |
Country Status (1)
| Country | Link |
|---|---|
| CN (3) | CN107029573B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113357391A (en) * | 2021-06-10 | 2021-09-07 | 长沙市奇俊机电科技有限公司 | Pressure vessel drain valve and pressure vessel assembly |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105944585B (en) * | 2016-06-20 | 2018-10-09 | 南京科技职业学院 | A kind of static mixer and mixed method |
| WO2023245410A1 (en) * | 2022-06-21 | 2023-12-28 | 杨鹏 | Self-cleaning nozzle structure |
| CN117695972B (en) * | 2024-02-05 | 2024-04-23 | 广东创新精细化工实业有限公司 | Chemical auxiliary agent reation kettle |
Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2160458Y (en) * | 1993-04-17 | 1994-04-06 | 石油大学(华东) | Two Phase Media Mixer |
| US5571281A (en) * | 1996-02-09 | 1996-11-05 | Allen; Thomas E. | Automatic cement mixing and density simulator and control system and equipment for oil well cementing |
| CN2477262Y (en) * | 2001-03-27 | 2002-02-20 | 曹宁 | Functional water mixer |
| EP1353012A1 (en) * | 2002-04-09 | 2003-10-15 | JohnsonDiversey, Inc. | Eductor |
| CN1921931A (en) * | 2004-02-17 | 2007-02-28 | 埃尔费尔德微技术Bts有限责任公司 | Micromixer |
| CN101632905A (en) * | 2009-09-03 | 2010-01-27 | 河南汉威电子股份有限公司 | Method for mixing fluids efficiently |
| US20110240753A1 (en) * | 2010-04-01 | 2011-10-06 | Proven Engineering And Technologies, Llc | Directed multiport eductor and method of use |
| CN202252104U (en) * | 2011-09-21 | 2012-05-30 | 北京清华阳光能源开发有限责任公司 | Jet water mixer |
| CN103409974A (en) * | 2013-07-11 | 2013-11-27 | 林伟明 | Ejector with mixing function |
| CN203360870U (en) * | 2013-07-11 | 2013-12-25 | 林伟明 | jet mixer |
| CN203790836U (en) * | 2014-03-11 | 2014-08-27 | 陈进杜 | Liquid mixer |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3607606A1 (en) * | 1986-03-07 | 1987-09-24 | Dagma Gmbh & Co | WATERJET INJECTION DEVICE ON DISPENSERS FOR PRODUCING AND DISPENSING MIXED BEVERAGES FROM FRUIT SYRUP OR CONCENTRATE AND WATER |
| CN202277795U (en) * | 2011-10-28 | 2012-06-20 | 彭墘精 | Jet nozzle static color paste mixer |
| CN103409973B (en) * | 2013-07-11 | 2015-08-19 | 林伟明 | jet mixer |
| CN204073877U (en) * | 2014-09-12 | 2015-01-07 | 丽水市汇金电气有限公司 | A kind of synchronized mixes device |
-
2014
- 2014-09-12 CN CN201710337509.9A patent/CN107029573B/en active Active
- 2014-09-12 CN CN201410466399.2A patent/CN105457515B/en not_active Expired - Fee Related
- 2014-09-12 CN CN201710339358.0A patent/CN107008169B/en active Active
Patent Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2160458Y (en) * | 1993-04-17 | 1994-04-06 | 石油大学(华东) | Two Phase Media Mixer |
| US5571281A (en) * | 1996-02-09 | 1996-11-05 | Allen; Thomas E. | Automatic cement mixing and density simulator and control system and equipment for oil well cementing |
| CN2477262Y (en) * | 2001-03-27 | 2002-02-20 | 曹宁 | Functional water mixer |
| EP1353012A1 (en) * | 2002-04-09 | 2003-10-15 | JohnsonDiversey, Inc. | Eductor |
| CN1921931A (en) * | 2004-02-17 | 2007-02-28 | 埃尔费尔德微技术Bts有限责任公司 | Micromixer |
| CN101632905A (en) * | 2009-09-03 | 2010-01-27 | 河南汉威电子股份有限公司 | Method for mixing fluids efficiently |
| US20110240753A1 (en) * | 2010-04-01 | 2011-10-06 | Proven Engineering And Technologies, Llc | Directed multiport eductor and method of use |
| CN202252104U (en) * | 2011-09-21 | 2012-05-30 | 北京清华阳光能源开发有限责任公司 | Jet water mixer |
| CN103409974A (en) * | 2013-07-11 | 2013-11-27 | 林伟明 | Ejector with mixing function |
| CN203360870U (en) * | 2013-07-11 | 2013-12-25 | 林伟明 | jet mixer |
| CN203790836U (en) * | 2014-03-11 | 2014-08-27 | 陈进杜 | Liquid mixer |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113357391A (en) * | 2021-06-10 | 2021-09-07 | 长沙市奇俊机电科技有限公司 | Pressure vessel drain valve and pressure vessel assembly |
Also Published As
| Publication number | Publication date |
|---|---|
| CN107008169B (en) | 2019-08-16 |
| CN107029573B (en) | 2019-07-09 |
| CN105457515B (en) | 2017-08-25 |
| CN107029573A (en) | 2017-08-11 |
| CN105457515A (en) | 2016-04-06 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN107008169A (en) | A kind of pneumatic control valve | |
| CN201223297Y (en) | Milk foaming device of coffee machine | |
| CN105457512B (en) | A kind of liquid mixer | |
| CN106948134B (en) | A kind of pneumatic control valve and the control device for selecting this pneumatic control valve | |
| CN105442262B (en) | A kind of volume control device | |
| CN204073877U (en) | A kind of synchronized mixes device | |
| CN204073872U (en) | A kind of liquid mixer | |
| CN105442261A (en) | Working method of flow control device | |
| CN204112113U (en) | A kind of split flow valve | |
| CN204162918U (en) | A kind of Self-resetting volume control device | |
| CN205517306U (en) | Multiple gas -liquid mixture fluidic device | |
| CN204080481U (en) | A kind of flow valve | |
| CN107034629A (en) | A kind of flow valve | |
| CN105311979A (en) | High-flow liquid-powder mixing device | |
| CN105797237A (en) | Liquid medicine filter | |
| CN208661451U (en) | A multi-channel liquid siphon air atomizing nozzle | |
| CN208049457U (en) | A kind of thermal insulation board fire retardant cycle gas-liquid separator | |
| CN206911154U (en) | A kind of improved serum evenly mixing device | |
| CN106930060B (en) | A kind of delivery device | |
| CN204583524U (en) | The time-out sailor handle structure of toggle good hand touch | |
| CN204469636U (en) | Coating additive pneumatic stirring air nozzle | |
| CN203635389U (en) | Novel atomizing pump device with sealing cup | |
| CN209180135U (en) | A kind of compact-sized jet pump | |
| CN201621297U (en) | A micro drip valve for automatic leather labeling machine | |
| CN206837885U (en) | A kind of multichannel venturi mixer |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20230329 Address after: 16-1, Building 3, No. 60, East Section of Mount Taishan Avenue, Tiangongdian Street, Liangjiang New District, Yubei District, Chongqing 400000 Patentee after: Chongqing Mingding Fire Technology Co.,Ltd. Address before: 350200 Fuzhou, Fujian, Changle, Wu Hang street, 110 West Road, international pearl 707 Patentee before: CHANGLE LIZHI PRODUCTS DESIGN Co.,Ltd. |
|
| TR01 | Transfer of patent right |