CN109113994A - Pump assembly, positive displacement compressor, air handling system - Google Patents
Pump assembly, positive displacement compressor, air handling system Download PDFInfo
- Publication number
- CN109113994A CN109113994A CN201811269822.4A CN201811269822A CN109113994A CN 109113994 A CN109113994 A CN 109113994A CN 201811269822 A CN201811269822 A CN 201811269822A CN 109113994 A CN109113994 A CN 109113994A
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- Prior art keywords
- slide plate
- pump assembly
- roller
- compression unit
- cylinder
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- 238000006073 displacement reaction Methods 0.000 title abstract description 8
- 230000006835 compression Effects 0.000 claims abstract description 37
- 238000007906 compression Methods 0.000 claims abstract description 37
- 238000005192 partition Methods 0.000 claims abstract description 16
- 239000003507 refrigerant Substances 0.000 claims description 11
- 238000004378 air conditioning Methods 0.000 claims description 3
- 238000007789 sealing Methods 0.000 abstract description 6
- 230000010349 pulsation Effects 0.000 abstract description 5
- 230000015572 biosynthetic process Effects 0.000 abstract 1
- 239000007788 liquid Substances 0.000 description 6
- 238000010586 diagram Methods 0.000 description 4
- 239000012530 fluid Substances 0.000 description 3
- 238000012986 modification Methods 0.000 description 3
- 230000004048 modification Effects 0.000 description 3
- 238000006243 chemical reaction Methods 0.000 description 2
- 238000000354 decomposition reaction Methods 0.000 description 2
- 230000003247 decreasing effect Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000000926 separation method Methods 0.000 description 2
- 238000010276 construction Methods 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 230000000007 visual effect Effects 0.000 description 1
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
- 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
- F04C18/3562—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 the inner and outer member being in contact along one line or continuous surfaces substantially parallel to the axis of rotation
- F04C18/3564—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 the inner and outer member being in contact along one line or continuous surfaces substantially parallel to the axis of rotation the surfaces of the inner and outer member, forming the working space, being surfaces of revolution
-
- 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
- F04C23/001—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 of similar working principle
-
- 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
-
- 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
- F04C2240/00—Components
- F04C2240/80—Other components
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Applications Or Details Of Rotary Compressors (AREA)
- Rotary Pumps (AREA)
Abstract
The present invention provides a kind of pump assembly, positive displacement compressor, air handling system.The pump assembly includes the first compression unit, second compression unit, partition, first compression unit and the second compression unit pass through shaft closed assembly in one and common partition, first compression unit includes the first cylinder, first roller, first slide plate, first bearing, first roller bias is installed in shaft and and formation first working chamber interior in the first cylinder, first slide plate is plugged in the first sliding vane groove, and first the head end of slide plate abutted with the periphery wall of the first roller the first working chamber be divided into suction chamber and discharge chamber, first sliding vane groove has the strength driving chamber of the first slide plate, and strength driving chamber includes tail end receiving portion, dilatation portion, dilatation portion and tail end receiving portion penetrate through.A kind of pump assembly according to the present invention, positive displacement compressor, air handling system can be greatly reduced sliding vane groove sealing cavity pressure pulsation, reduce the contact force between slide plate and roller, and then reduce operation noise, improve reliability.
Description
Technical field
The invention belongs to compressor manufacturing technical fields, and in particular to a kind of pump assembly, positive displacement compressor, air conditioning
System.
Background technique
It is most of all to apply frequency conversion compression in order to be exported according to the demand adjustment capability of load in air handling system
Machine, compressor can be by the adjustings of compressor frequency come adjustment capability output.And air handling system load it is too small when, need
The operating frequency of compressor is constantly reduced, however due to the limitation of compressor minimum operating frequency, what compressor can be output
Minimum cooling capacity is restricted.Therefore when system loading, which is less than compressor low-limit frequency, runs the minimum ability that can be output, pressure
Contracting chance frequently occurs startup-shutdown, causes compressor wasted work big, while when compressor frequency is too low, compressor volumetric efficiency and electricity
Engine efficiency is low, causes compressor low-frequency operation efficiency low.Therefore have at present and asked by using the mode of frequency conversion transfiguration to solve this
Topic, i.e. compressor use double-cylinder structure (or even multi-cylinder), control compressor in single cylinder operation and twin-tub by increasing switching construction
Switch between operational mode, twin-tub when big load, single cylinder when Smaller load, such positive displacement compressor is needed when realizing transfiguration
The sliding vane groove of transfiguration cylinder is sealed, controls the movement of slide plate will pass through to high pressure or low pressure is introduced in sliding vane groove.And it is practical
It is found in, the sliding vane groove volume after sealing is too small, when slide plate high speed reciprocating motion in sliding vane groove, in sliding vane groove seal chamber
Pressure can generate very big pulsation so that the pressure of slide plate tail portion is excessive or too small, influence the reliability of slide plate.
Summary of the invention
Therefore, the technical problem to be solved in the present invention is that providing a kind of pump assembly, positive displacement compressor, air conditioning system
System can be greatly reduced sliding vane groove sealing cavity pressure pulsation, reduce the contact force between slide plate and roller, and then reduce operation
Noise improves reliability.
To solve the above-mentioned problems, the present invention provides a kind of pump assembly, including the first compression unit, the second compression unit, every
Plate, first compression unit and second compression unit in one and share the partition by shaft closed assembly, first pressure
Contracting portion includes the first cylinder, the first roller, the first slide plate, first bearing, and the first roller bias is installed in the shaft
And in first cylinder, first roller periphery, the first cylinder inner wall, first bearing and partition are collectively formed first
Working chamber, first slide plate are plugged in the first sliding vane groove that first cylinder has, and the head end of first slide plate
It is abutted with the periphery wall of first roller first working chamber is divided into suction chamber and discharge chamber, first slide plate
Slot has the strength driving chamber of first slide plate, and the strength driving chamber includes tail end receiving portion, dilatation portion, the dilatation
Portion and the tail end receiving portion penetrate through.
Preferably, the dilatation cage structure is on first cylinder, and/or, the dilatation cage structure is in the partition
On.
Preferably, when the dilatation cage structure is when on first cylinder, the dilatation portion is with the type structure of counterbore
In on the axial end face of first cylinder.
Preferably, connection may be selected in the dilatation portion and external control pressure source.
Preferably, the external control pressure source is the refrigerant in air handling system.
Preferably, the volume of the strength driving chamber is V, and the axial height of first cylinder is H, first slide plate
With a thickness of B, the shaft is E relative to the eccentricity of first working chamber, and first slide plate is relative to described first
It is V0=2 × E × H × B, V/V0 >=2 that roller, which moves back and forth the maximum volume changing value generated,.
Preferably, the pump assembly further includes slide plate locking member, and the slide plate locking member is for locking described the
The relative position of one slide plate and first roller.
Preferably, the slide plate locking member includes pin, spring, described when needing first compression unit unloading
Pin can make first slide plate and described the under the action of the spring in the correspondence card slot of first slide plate
One roller keeps spacing.
The present invention also provides a kind of compressors, including above-mentioned pump assembly.
The present invention also provides a kind of air handling systems, including above-mentioned compressor.
A kind of pump assembly provided by the invention, positive displacement compressor, air handling system, strength driving chamber therein include
Tail end receiving portion and it is attached thereto the dilatation portion of logical perforation namely the volume of the strength driving chamber in the technical solution at least compares
Respective cavities in the prior art increase the volume in dilatation portion, namely the strength driving chamber bigger using volume, due to holding
Long-pending increase, when the first slide plate high speed reciprocating motion, the pressure fluctuation that tail end is born will be more gentle namely described
Pressure fluid, which will be applied to the power on first slide plate (tail end), in strength driving chamber more gently, and then to make described first to slide
Piece also tends towards stability and will be remarkably decreased in terms of contact force with first roller, this, which is significantly facilitated, reduces the pump housing group
The operation noise of part or even compressor improves component reliability of operation.
Detailed description of the invention
Fig. 1 is the schematic diagram of internal structure of the pump assembly of the embodiment of the present invention；
Fig. 2 is the structural schematic diagram at the visual angle A-A in Fig. 1；
Fig. 3 is a kind of dimensional decomposition structure diagram of first compression unit of embodiment in Fig. 1；
Fig. 4 is the dimensional decomposition structure diagram of the first compression unit of another embodiment in Fig. 1；
Fig. 5 is the relational graph of V/V0 and pressure fluctuation of the compressor of the embodiment of the present invention in utilization；
Fig. 6 is the schematic illustration of the air handling system of the embodiment of the present invention.
Appended drawing reference indicates are as follows:
1, the first compression unit；11, the first cylinder；111, the first sliding vane groove；112, tail end receiving portion；113, dilatation portion；12,
First roller；13, the first slide plate；14, first bearing；2, the second compression unit；21, the second cylinder；22, the second roller；23, second
Slide plate；24, second bearing；3, partition；4, shaft；5, slide plate locking member；51, pin；52, spring；6, external control pressure
Source；100, First Heat Exchanger；101, restricting element；102, the second heat exchanger；103, gas-liquid separator；104, the first traffic organising
Valve；105, the second flow direction control valve.
Specific embodiment
In conjunction with referring to shown in Fig. 1 to Fig. 6, according to an embodiment of the invention, providing a kind of pump assembly, including the first compression
Portion 1, the second compression unit 2, partition 3, first compression unit 1 is with second compression unit 2 by 4 closed assembly of shaft in integrally and altogether
With the partition 3, first compression unit 1 includes the first cylinder 11, the first roller 12, the first slide plate 13, first bearing 14, institute
It states 12 bias of the first roller to be installed in the shaft 4 and in first cylinder 11,12 periphery of the first roller, the
The first working chamber is collectively formed in one cylinder, 11 inner wall, first bearing 14 and partition 3, and as a same reason, second compression unit 2 includes
Second cylinder 21, the second roller 22, the second slide plate 23, second bearing 24,22 bias of the second roller are installed in the shaft 4
Above and in second cylinder 21,22 periphery of the second roller, 21 inner wall of the second cylinder, second bearing 24 and partition 3
The second working chamber is collectively formed, first slide plate 13 is plugged in the first sliding vane groove 111 that first cylinder 11 has, and
The head end of first slide plate 13 is abutted with the periphery wall of first roller 12 first working chamber is divided into air-breathing
Chamber and discharge chamber, first sliding vane groove 111 have the strength driving chamber of first slide plate 13, and the strength driving chamber packet
Tail end receiving portion 112, dilatation portion 113 are included, the dilatation portion 113 is penetrated through with the tail end receiving portion 112, it is to be understood that
The strength driving chamber is used to control the relative position relative to first roller 12 of first slide plate 13, from
And realize the unloading to first compression unit, namely realize the transfiguration function of the pump assembly.Gas in the technical solution
Power drive chamber includes that tail end receiving portion 112 and the dilatation portion for being attached thereto logical perforation namely the strength in the technical solution are driven
The respective cavities of the volume of dynamic chamber at least than in the prior art increase the volume in dilatation portion, namely the gas bigger using volume
Power drive chamber, due to the increase of volume, when 13 high speed reciprocating motion of the first slide plate, the pressure fluctuation that tail end is born will
The power that pressure fluid is applied on first slide plate 13 (tail end) in the more gentle namely described strength driving chamber will more be put down
It is slow, and then first slide plate 13 is made also to tend towards stability and will be remarkably decreased in terms of contact force with first roller 12, this
The operation noise for reducing the pump assembly or even compressor is significantly facilitated, component reliability of operation is improved.
Optionally, the dilatation portion 113 is configured on first cylinder 11, and/or, the dilatation portion 113 is configured in
On the partition 3, specifically, the dilatation portion 113 is when the dilatation portion 113 is configured on first cylinder 11 with heavy
The type structure in hole is on the axial end face of the first cylinder 11 or dilatation portion 113 with the type structure of counterbore in institute
On the corresponding position for stating the first cylinder 11；When the dilatation portion 113 is configured on the partition 3, the dilatation portion 113 is best
It is to be formed with the type structure of counterbore, is conducive to the sealing to the dilatation portion 113 in this way.It is controlled with external in the dilatation portion 113
Pressing pressure source 6 carries out that connection may be selected, will be in outside control pressure source 6 for example, by using usual connecting line or jointing
Pressure fluid be introduced into the dilatation portion 113, and then penetrate through into the tail end receiving portion 112, it is described external to control pressure
Source 6 can be separately provided independently of the pump assembly, best, when the pump assembly is applied in air handling system
When, the external control pressure source 6 is realized using the refrigerant in the air handling system, so as to make entire air
The control globality of regulating system is stronger, and structure design is more rationally compact.
Preferably, the volume of the strength driving chamber is V, and the volume of the tail end receiving portion 112 is V1, the dilatation portion
113 volume is V2, V=V1+V2, and the axial height of first cylinder 11 is H, first slide plate 13 with a thickness of B, institute
It is E that shaft 4, which is stated, relative to the eccentricity of first working chamber, and first slide plate 13 is reciprocal relative to first roller 12
Movement generate maximum volume changing value be V0=2 × E × H × B, V/V0 >=2, as described in Figure 5, as V/V0 < 2,
Pressure fluctuation to slow down effect very poor, and as the V/V0 >=2, pressure fluctuation slows down effect with the increasing of V/V0 ratio
It improves greatly.
In order to guarantee the pump assembly in transfiguration (namely first compression unit does not compress, i.e. Unloading Condition) operating condition
Under, the reliability of 13 relative position of the first slide plate, it is preferable that the pump assembly further includes slide plate locking member 5,
The slide plate locking member 5 is used to lock the relative position of first slide plate 13 and first roller 12, as the cunning
A kind of specific embodiment of piece locking member 5, it is preferable that the slide plate locking member 5 includes pin 51, spring 52, when need
When first compression unit 1 being wanted to unload, the pin 51 can be embedded in first slide plate 13 under the action of spring 52
Correspondence card slot in so that first slide plate 13 is kept spacing with first roller 12, the pin 51, spring 52 for example may be used
It is simple using 5 structure of slide plate locking member of this kind of mode, convenient for dimension to be placed in the pin hole that the first bearing 14 has
Shield.
According to an embodiment of the invention, a kind of compressor is also provided, it is above-mentioned due to using including above-mentioned pump assembly
Pump assembly, sliding vane groove sealing cavity pressure pulsation can be greatly reduced, reduce the contact force between slide plate and roller, in turn
The operation noise for reducing compressor, improves its operational reliability.
According to an embodiment of the invention, a kind of air handling system is also provided, including above-mentioned compressor, due to using
Above-mentioned compressor can be greatly reduced sliding vane groove sealing cavity pressure pulsation, reduce the contact force between slide plate and roller, into
And the operation noise of system is reduced, improve its operational reliability.
Specifically, the air handling system further include First Heat Exchanger 100, restricting element 101, the second heat exchanger 102,
Gas-liquid separator 103, the compressor, First Heat Exchanger 100, restricting element 101, the second heat exchanger 102, gas-liquid separator
103 piping connections form refrigerant circulation, it is to be understood that the gas-liquid separator 103 will be in the air-breathing of the compressor
Side namely refrigerant pressure therein will be significantly lower than the refrigerant pressure of the exhaust side of the compressor, the gas-liquid separation
There is device 103 air inlet pipe c, the first escape pipe a, the second escape pipe b, the first escape pipe a and second compression unit to penetrate through
Connection, the second escape pipe b and first compression unit perforation connect, and the company of perforation may be selected in the first flow direction control valve 104
It is connected between the air inlet pipe c and the dilatation portion 113, what the second flow direction control valve 105 may be selected to penetrate through is connected to the pressure
Between the exhaust pipe d that contracting machine has and the dilatation portion 113.Further, the second escape pipe b and the first bearing 14
The pin hole perforation having, to force in the pin 51 when needing to lock 13 relative position of the first slide plate, enables
It is inserted into the card slot that first slide plate 13 has.Certainly, the first flow direction control valve 104 above-mentioned, the second flow direction control valve 105
Such as general solenoid directional control valve can be used.
Specifically, needing first slide plate 13 and first roller 12 at this time when first compression unit unloading
Separation namely first slide plate 13 are locked by the slide plate locking member 5, at this point, first flow direction control valve 104 is connected
(cut-off of the second flow direction control valve 105) is low pressure refrigerant in the dilatation portion 113 and tail end receiving portion 112, and in the pin hole
It is also simultaneously low pressure refrigerant, and almost the same with the refrigerant pressure of the gas-liquid separator 103, at this point, first slide plate 13
In the position far from first roller 12, the pin 51 uplink and will be inserted into described the under the action of spring 52
In the card slot of one slide plate 13, to realize positioning and the unloading of the first compression unit.
When first compressing section compresses, first slide plate 13 is needed to contact with first roller 12 at this time,
I.e. described first slide plate 13 can be moved back and forth freely, at this point, (the first flow direction control valve is connected in second flow direction control valve 105
104 cut-offs), it is high pressure refrigerant in the dilatation portion 113 and tail end receiving portion 112, and in the pin hole it is low pressure refrigerant, this
When, the pin 51 will retract in the pin hole under the action of overcoming the spring 52 under the action of upper and lower pressure difference, thus real
The now compression of positioning and the first compression unit.
Those skilled in the art will readily recognize that above-mentioned each advantageous manner can be free under the premise of not conflicting
Ground combination, superposition.
The above is merely preferred embodiments of the present invention, be not intended to limit the invention, it is all in spirit of the invention and
Made any modifications, equivalent replacements, and improvements etc., should all be included in the protection scope of the present invention within principle.Above only
It is the preferred embodiment of the present invention, it is noted that for those skilled in the art, do not departing from this hair
Under the premise of bright technical principle, several improvements and modifications can also be made, these improvements and modifications also should be regarded as guarantor of the invention
Protect range.
Claims (10)
1. a kind of pump assembly, which is characterized in that including the first compression unit (1), the second compression unit (2), partition (3), described
One compression unit (1) and second compression unit (2) in one and are shared the partition (3), described first by shaft (4) closed assembly
Compression unit (1) includes the first cylinder (11), the first roller (12), the first slide plate (13), first bearing (14), first roller
(12) bias is installed on the shaft (4) and in first cylinder (11), the first roller (12) periphery, first
The first working chamber is collectively formed in cylinder (11) inner wall, first bearing (14) and partition (3), and first slide plate (13) is plugged in institute
It states in the first sliding vane groove (111) that the first cylinder (11) has, and the head end of first slide plate (13) and first roller
(12) periphery wall is abutted so that first working chamber is divided into suction chamber and discharge chamber, the first sliding vane groove (111) tool
There is the strength driving chamber of first slide plate (13), and the strength driving chamber includes tail end receiving portion (112), dilatation portion
(113), the dilatation portion (113) and the tail end receiving portion (112) penetrate through.
2. pump assembly according to claim 1, which is characterized in that the dilatation portion (113) is configured in first gas
On cylinder (11), and/or, the dilatation portion (113) is configured on the partition (3).
3. pump assembly according to claim 2, which is characterized in that when the dilatation portion (113) is configured in described first
When on cylinder (11), the dilatation portion (113) is with the type structure of counterbore on the axial end face of first cylinder (11).
4. pump assembly according to claim 1, which is characterized in that the dilatation portion (113) and external control pressure source
(6) connection may be selected.
5. pump assembly according to claim 4, which is characterized in that external control pressure source (6) is air conditioning
Refrigerant in system.
6. pump assembly according to claim 1, which is characterized in that the volume of the strength driving chamber be V, described first
The axial height of cylinder (11) is H, first slide plate (13) with a thickness of B, the shaft (4) is relative to first work
The eccentricity of chamber is E, and first slide plate (13) moves back and forth the maximum volume generated relative to first roller (12) and becomes
Change value is V0=2 × E × H × B, V/V0 >=2.
7. pump assembly according to claim 1, which is characterized in that further include slide plate locking member (5), the slide lock
Component (5) are determined for locking the relative position of first slide plate (13) Yu first roller (12).
8. pump assembly according to claim 7, which is characterized in that the slide plate locking member (5) include pin (51),
Spring (52), when needing first compression unit (1) unloading, the pin (51) can be under the action of the spring (52)
First slide plate (13) and first roller (12) is set to keep spacing in the correspondence card slot of first slide plate (13).
9. a kind of compressor, including pump assembly, which is characterized in that the pump assembly is any one of claims 1 to 8 institute
The pump assembly stated.
10. a kind of air handling system, including compressor, which is characterized in that the compressor is compression as claimed in claim 9
Machine.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811269822.4A CN109113994A (en) | 2018-10-29 | 2018-10-29 | Pump assembly, positive displacement compressor, air handling system |
| PCT/CN2019/107565 WO2020088152A1 (en) | 2018-10-29 | 2019-09-24 | Pump body component, variable-capacity compressor and air regulation system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811269822.4A CN109113994A (en) | 2018-10-29 | 2018-10-29 | Pump assembly, positive displacement compressor, air handling system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109113994A true CN109113994A (en) | 2019-01-01 |
Family
ID=64855496
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811269822.4A Pending CN109113994A (en) | 2018-10-29 | 2018-10-29 | Pump assembly, positive displacement compressor, air handling system |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN109113994A (en) |
| WO (1) | WO2020088152A1 (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110360107A (en) * | 2019-06-28 | 2019-10-22 | 谷利伟 | Compressor |
| CN110374875A (en) * | 2019-07-29 | 2019-10-25 | 珠海格力节能环保制冷技术研究中心有限公司 | Slide vane structure, rotor-type compressor and the refrigeration equipment of rotor-type compressor |
| WO2020088152A1 (en) * | 2018-10-29 | 2020-05-07 | 珠海格力节能环保制冷技术研究中心有限公司 | Pump body component, variable-capacity compressor and air regulation system |
| WO2024041002A1 (en) * | 2022-08-24 | 2024-02-29 | 珠海格力电器股份有限公司 | Variable-capacity compressor and air conditioning system |
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| CN104074763A (en) * | 2013-03-26 | 2014-10-01 | 珠海格力节能环保制冷技术研究中心有限公司 | Double-stage enthalpy-increased rotor compressor and air conditioner and heat pump water heater with same |
| CN104912808A (en) * | 2015-06-25 | 2015-09-16 | 广东美芝制冷设备有限公司 | Compressing mechanism and low-back-pressure rotation type compressor with same |
| CN207195139U (en) * | 2017-08-10 | 2018-04-06 | 珠海格力节能环保制冷技术研究中心有限公司 | Compressor and there is its air conditioner |
| CN208966587U (en) * | 2018-10-29 | 2019-06-11 | 珠海格力节能环保制冷技术研究中心有限公司 | Pump assembly, positive displacement compressor, air handling system |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2020088152A1 (en) * | 2018-10-29 | 2020-05-07 | 珠海格力节能环保制冷技术研究中心有限公司 | Pump body component, variable-capacity compressor and air regulation system |
| CN110360107A (en) * | 2019-06-28 | 2019-10-22 | 谷利伟 | Compressor |
| CN110374875A (en) * | 2019-07-29 | 2019-10-25 | 珠海格力节能环保制冷技术研究中心有限公司 | Slide vane structure, rotor-type compressor and the refrigeration equipment of rotor-type compressor |
| CN110374875B (en) * | 2019-07-29 | 2020-11-24 | 珠海格力节能环保制冷技术研究中心有限公司 | Slip sheet structure of rotor type compressor, rotor type compressor and refrigeration equipment |
| WO2024041002A1 (en) * | 2022-08-24 | 2024-02-29 | 珠海格力电器股份有限公司 | Variable-capacity compressor and air conditioning system |
Also Published As
| Publication number | Publication date |
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| WO2020088152A1 (en) | 2020-05-07 |
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