CN108331755A - Pump assembly and compressor with it - Google Patents
Pump assembly and compressor with it Download PDFInfo
- Publication number
- CN108331755A CN108331755A CN201810130544.8A CN201810130544A CN108331755A CN 108331755 A CN108331755 A CN 108331755A CN 201810130544 A CN201810130544 A CN 201810130544A CN 108331755 A CN108331755 A CN 108331755A
- Authority
- CN
- China
- Prior art keywords
- cylinder
- pump assembly
- control chamber
- transfiguration
- sliding vane
- 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
- 239000011148 porous material Substances 0.000 claims abstract description 37
- 238000005192 partition Methods 0.000 claims abstract description 25
- 238000005461 lubrication Methods 0.000 claims description 41
- 239000003507 refrigerant Substances 0.000 claims description 18
- 238000007789 sealing Methods 0.000 claims description 12
- 238000009434 installation Methods 0.000 claims description 11
- 230000000694 effects Effects 0.000 claims description 5
- 230000002093 peripheral effect Effects 0.000 claims description 5
- 239000007788 liquid Substances 0.000 claims description 2
- 230000001050 lubricating effect Effects 0.000 claims 1
- 239000003921 oil Substances 0.000 description 24
- 239000010687 lubricating oil Substances 0.000 description 8
- 230000008676 import Effects 0.000 description 7
- 238000000034 method Methods 0.000 description 7
- 230000009467 reduction Effects 0.000 description 7
- 239000002826 coolant Substances 0.000 description 6
- 239000000314 lubricant Substances 0.000 description 6
- 230000008859 change Effects 0.000 description 5
- 230000006835 compression Effects 0.000 description 5
- 238000007906 compression Methods 0.000 description 5
- 238000010586 diagram Methods 0.000 description 5
- 230000008569 process Effects 0.000 description 5
- 230000009471 action Effects 0.000 description 4
- 238000000354 decomposition reaction Methods 0.000 description 3
- 238000005265 energy consumption Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000004378 air conditioning Methods 0.000 description 1
- 239000010725 compressor oil Substances 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 230000006698 induction Effects 0.000 description 1
- 239000003595 mist Substances 0.000 description 1
- 230000008439 repair process Effects 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
Classifications
-
- 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
-
- 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
- F04C28/00—Control of, monitoring of, or safety arrangements for, pumps or pumping installations specially adapted for elastic fluids
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04C—ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT PUMPS
- F04C29/00—Component parts, details or accessories of pumps or pumping installations, not provided for in groups F04C18/00 - F04C28/00
- F04C29/02—Lubrication; Lubricant separation
-
- 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
- F04C2270/00—Control; Monitoring or safety arrangements
- F04C2270/18—Pressure
- F04C2270/185—Controlled or regulated
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Rotary Pumps (AREA)
- Applications Or Details Of Rotary Compressors (AREA)
Abstract
The present invention provides a kind of pump assembly and with its compressor.Wherein, pump assembly, including：Multiple cylinders；At least one partition board is arranged between two adjacent cylinders, and partition board has intercommunicating pore for being connected to the sliding vane groove of two neighboring cylinder.Present invention efficiently solves pump assembly power in the prior art easily drastically to increase, the problem that operational reliability is relatively low.
Description
Technical field
The present invention relates to pump assembly technical fields, in particular to a kind of pump assembly and with its compressor.
Background technology
Currently, within air-conditioning systems, in order to reach consumer's set temperature, generally using converter technique, that is, passing through control
Compressor rotary speed realizes that refrigerating capacity is adjusted, to achieve the purpose that accurate temperature.However, the limitation of compressed machine minimum speed, becomes
Frequency compressor minimum refrigerating capacity is still bigger than normal in some environments.
In the prior art, partial shrinkage machine producer proposes twin-tub or multi-cylinder variable capacity technology further decreases compressor most
Small output quantity, to realize the purpose of more accurately temperature control and energy saving consumption reduction.Specifically, using sealing transfiguration cylinder tail portion
Cavity (transfiguration control chamber) simultaneously controls the pressure in the cavity and realizes transfiguration cylinder and converted between normal work or idle running.Become
Hold control chamber because being isolated with the oil sump in compressor so that high pressure gas of the compressor when twin-tub is run in transfiguration control chamber is logical
It crosses the gap between slide plate and sliding vane groove largely to leak into transfiguration cylinder cylinder chamber so that performance of the compressor under twin-tub pattern is aobvious
It writes and declines.If when compressor needs twin-tub to run by import transfiguration control chamber in high pressure gas be changed to extreme pressure lubricant (from
Exhaust outlet imports high pressure gas and is changed to import extreme pressure lubricant from oil sump), it can under conditions of slide plate and sliding vane groove gap are constant
Significantly reduce the leakage rate that refrigerant enters transfiguration cylinder cylinder chamber from transfiguration control chamber.
However, slide plate, when moving reciprocatingly, transfiguration is small when controlling big when cavity space, since lubricating oil is with incompressible
Property will cause the pressure in transfiguration control chamber drastically to increase, no when the extreme pressure lubricant in transfiguration control chamber cannot be discharged in time
The raising of pump assembly power is only resulted in, and reduces the operational reliability of pump assembly.
Invention content
The main purpose of the present invention is to provide a kind of pump assembly and with its compressor, to solve in the prior art
Pump assembly power easily drastically increases, the relatively low problem of operational reliability.
To achieve the goals above, according to an aspect of the invention, there is provided a kind of pump assembly, including：Multiple gas
Cylinder；At least one partition board is arranged between two adjacent cylinders, and partition board has intercommunicating pore for being connected to two neighboring cylinder
Sliding vane groove.
Further, partition board includes：Clapboard body, clapboard body have intercommunicating pore；Pressure release component, the setting of pressure release component exist
At intercommunicating pore, when the pressure of high-tension lubrication medium in the sliding vane groove of a cylinder is more than the slide plate of another cylinder adjacent thereto
In slot when the pressure of high-tension lubrication medium, pressure release component is in open state, so that high-tension lubrication medium is flowed to by intercommunicating pore
Low-pressure side.
Further, clapboard body has the mounting groove for housing pressure release component, and intercommunicating pore is located in mounting groove.
Further, pressure release component includes：Pressure release valve block；Baffle, lid are located at relief valve on piece；Pressure release fastener, successively
One end across one end of baffle, pressure release valve block is connect with clapboard body.
Further, in the plane of reference S of the axis direction perpendicular to cylinder, the slide plate of mounting groove and at least one cylinder
Slot is arranged in angle.
Further, pump assembly includes the first cylinder and the second cylinder, and the first cylinder is located at the top of the second cylinder, every
The side of the first cylinder of direction of plate ontology has mounting groove.
Further, the tail portion of the second sliding vane groove of the second cylinder has transfiguration control chamber, intercommunicating pore and transfiguration control chamber
Be connected, the second cylinder has the transfiguration channel that is connected to transfiguration control chamber, transfiguration channel be isolated with the inner cavity of the second cylinder and
It is connected to the peripheral outer wall of the second cylinder, refrigerant or high-tension lubrication medium can enter to transfiguration control chamber by transfiguration channel
It is interior.
Further, the tail portion of the first sliding vane groove of the first cylinder has the axially extending oil collecting hole along the first cylinder,
Intercommunicating pore is connected with oil collecting hole.
Further, pump assembly further includes：First slide plate, the first slide plate are slidably disposed on the first of the first cylinder
In sliding vane groove；Seal assembly, including elastic component and sealing element, the first cylinder have the mounting hole radially extended, installation
Hole is connected to the tail portion of the first sliding vane groove of the first cylinder, and elastic component is stretched into mounting hole and abutted with the first slide plate, sealing element
Mounting hole is blocked to be sealed to mounting hole.
Further, on the axial projecting direction along the first cylinder, at least part of transfiguration control chamber, oil collecting hole
At least part and intercommunicating pore at least part overlap.
Further, pump assembly further includes：Flange below the second cylinder, flange has to be connected with transfiguration control chamber
Logical installation passage；Locking piece is located in installation passage, and locking piece can extend into in transfiguration control chamber and to being arranged second
The second slide plate backstop limit in second sliding vane groove of cylinder；Return unit is locked, is abutted with locking piece, locking return unit is to locking
Part provides the reset force moved towards transfiguration control chamber side, when high-tension lubrication medium enters to transfiguration control by transfiguration channel
When intracavitary, locking piece is towards the movement of locking return unit and avoids the second slide plate；When refrigerant enters to transfiguration control by transfiguration channel
When intracavitary processed, locking piece is stretched in transfiguration control chamber under the reset force effect of locking return unit and is limited the second slide plate backstop
Position.
According to another aspect of the present invention, a kind of compressor, including above-mentioned pump assembly are provided.
Further, compressor includes：Shell, pump assembly are located in shell；Connecting pipe, the transfiguration with pump assembly
Control chamber is connected to, height residing for residing lower face of the height less than the second cylinder of pump assembly of inlet of connecting pipe, and
Difference in height is more than or equal to 10mm and is less than or equal to 20mm.
It applies the technical scheme of the present invention, pump assembly includes multiple cylinders and at least one partition board.Wherein, partition board is arranged
Between two adjacent cylinders, partition board has intercommunicating pore for being connected to the sliding vane groove of two neighboring cylinder.In this way, in the pump housing
During assembly operating, when the pressure in the sliding vane groove of one of cylinder increases suddenly, high-tension lubrication medium passes through partition board
The intercommunicating pore of upper setting enters in the sliding vane groove of another cylinder adjacent with the cylinder, so that in the sliding vane groove of the cylinder
Pressure reduction, and then prevent the power of pump assembly from increasing, improve the operational reliability of pump assembly.
Description of the drawings
The accompanying drawings which form a part of this application are used to provide further understanding of the present invention, and of the invention shows
Meaning property embodiment and its explanation are not constituted improper limitations of the present invention for explaining the present invention.In the accompanying drawings：
Fig. 1 shows that the embodiment of pump assembly according to the present invention is applied to the partial sectional view of compressor；
Fig. 2 shows the sectional views of the pump assembly of the compressor in Fig. 1；
Fig. 3 shows the first cylinder of the pump assembly in Fig. 2 and the decomposition texture schematic diagram of partition board；
Fig. 4 shows the first cylinder in Fig. 3 and the local perspective view after partition board assembly；
Fig. 5 shows the dimensional structure diagram of the partition board in Fig. 3；
Fig. 6 shows the decomposition texture schematic diagram of the first cylinder and seal assembly in Fig. 3；
Fig. 7 shows the decomposition texture schematic diagram of another angle of the first cylinder and seal assembly in Fig. 6；
Fig. 8 shows the dimensional structure diagram of the second cylinder of the pump assembly in Fig. 2；And
Fig. 9 shows the second cylinder in Fig. 8 and the vertical view after the assembly of the second slide plate.
Wherein, above-mentioned attached drawing includes the following drawings label：
10, cylinder；11, the first cylinder；111, the first sliding vane groove；111a, oil collecting hole；112, mounting hole；113, first inhales
Gas port；12, the second cylinder；121, the second sliding vane groove；121a, transfiguration control chamber；122, transfiguration channel；123, the second air entry；
20, partition board；21, clapboard body；211, intercommunicating pore；212, mounting groove；22, pressure release component；221, pressure release valve block；222, baffle；
223, pressure release fastener；30, the first slide plate；40, seal assembly；41, elastic component；42, sealing element；50, flange；51, it installs
Channel；60, locking piece；70, return unit is locked；80, shell；90, the second roller；100, the second slide plate；110, the first roller；
120, the first solenoid valve；130, second solenoid valve；140, connecting pipe；150, oil sump；160, refrigerant pipeline.
Specific implementation mode
It should be noted that in the absence of conflict, the features in the embodiments and the embodiments of the present application can phase
Mutually combination.The present invention will be described in detail below with reference to the accompanying drawings and embodiments.
It should be pointed out that unless otherwise specified, all technical and scientific terms used in this application have and the application
The normally understood identical meanings of person of an ordinary skill in the technical field.
In the present invention, in the absence of explanation to the contrary, the noun of locality used is typically directed to attached drawing as " upper and lower "
Shown in for direction, or on vertical, vertical or gravity direction；Similarly, it for ease of understanding and retouches
It states, " left and right " is typically for shown in the drawings left and right；" inside and outside " refers to the inside and outside of the profile relative to each component itself,
But the above-mentioned noun of locality is not intended to restrict the invention.
In order to solve the problems, such as that pump assembly power easily drastically increases in the prior art, operational reliability is relatively low, the application
Provide a kind of pump assembly and the compressor with it.
As depicted in figs. 1 and 2, pump assembly includes multiple cylinders 10 and at least one partition board 20.Wherein, partition board 20 is arranged
Between two adjacent cylinders 10, partition board 20 has intercommunicating pore 211 for being connected to the sliding vane groove of two neighboring cylinder 10.
Using the technical solution of the present embodiment, in pump assembly operational process, when the sliding vane groove of one of cylinder 10
When interior pressure increases suddenly, high-tension lubrication medium is entered to and 10 phase of the cylinder by the intercommunicating pore 211 being arranged on partition board 20
In the sliding vane groove of another adjacent cylinder 10, so that the pressure reduction in the sliding vane groove of the cylinder 10, and then prevent pump assembly
Power increase, improve the operational reliability of pump assembly.
In the present embodiment, the high-tension lubrication medium entered in the sliding vane groove of another cylinder 10 can be to the sliding vane groove
It is sealed, prevents from that coolant leakage occurs at this, and then improve the working efficiency of pump assembly, promote the maneuverability of pump assembly
Energy.
As shown in Figure 3 and Figure 5, partition board 20 includes clapboard body 21 and pressure release component 22.Wherein, clapboard body 21, which has, connects
Through-hole 211.Pressure release component 22 is arranged at intercommunicating pore 211, when the pressure of high-tension lubrication medium in the sliding vane groove of a cylinder 10
More than when the pressure of high-tension lubrication medium, pressure release component 22 is in opening state in the sliding vane groove of another cylinder 10 adjacent thereto
State, so that high-tension lubrication medium flows to low-pressure side by intercommunicating pore 211.In this way, when high pressure profit in the sliding vane groove of a cylinder 10
When the pressure of sliding medium is more than the preset pressure of pressure release component 22, pressure release component 22 is in open state, then the cunning of the cylinder 10
High-tension lubrication medium in film trap can be entered in the sliding vane groove of another cylinder 10 by intercommunicating pore 211, with to the cylinder
10 sliding vane groove carries out pressure release, to reduce the energy consumption of pump assembly.When high-tension lubrication medium in the sliding vane groove of a cylinder 10
When pressure is less than the preset pressure of pressure release component 22, pressure release component 22 is closed.The structure of above structure is simple, is easy
Processing.
Optionally, high-tension lubrication medium is extreme pressure lubricant.It should be noted that the type of high-tension lubrication medium is not limited to
This.Optionally, high-tension lubrication medium is high-tension lubrication mist of oil.
As shown in figure 5, clapboard body 21 has the mounting groove 212 for housing pressure release component 22, and intercommunicating pore 211 is located at
In mounting groove 212.
As shown in figure 5, pressure release component 22 includes pressure release valve block 221, baffle 222 and pressure release fastener 223.Wherein, baffle
222 lids are located on pressure release valve block 221.Pressure release fastener 223 sequentially pass through one end of baffle 222, pressure release valve block 221 one end with
Clapboard body 21 connects.Optionally, pressure release component 22 is arranged in mounting groove 212.Due to being provided with for installing, accommodating pressure release
The mounting groove 212 of component 22, thus reduce the occupied space of pressure release component 22, so that component is rationally arranged, to improve pump
The space availability ratio of body component.Further, since being provided with pressure release valve block 221 and baffle 222 on pressure release component 22, thus effectively keep away
Exempt from pressure release valve block 221 excessively to be opened, ensure that the functional reliability of pressure release component 22.
Optionally, pressure release fastener 223 is screw or bolt.
Specifically, slide plate is in sliding vane groove in reciprocatory movement, when high pressure is moistened in the sliding vane groove of one of cylinder 10
The pressure of sliding medium is more than the pressure of high-tension lubrication medium in the sliding vane groove of another cylinder 10 adjacent thereto, and pressure difference is big
When the preset pressure of pressure release component 22, pressure release valve block 221 no longer blocks intercommunicating pore 211, then so that the sliding vane groove of the cylinder 10
Interior high-tension lubrication medium flows into the sliding vane groove of another cylinder 10, so that the pressure reduction in the sliding vane groove of the cylinder 10,
Prevent the power of pump assembly from increasing and increasing energy consumption.Meanwhile entering to the high-tension lubrication in the sliding vane groove of another cylinder 10
Medium can also be sealed sliding vane groove, to prevent coolant leakage, and then improve the working efficiency of pump assembly.
As shown in figure 4, in the plane of reference S of the axis direction perpendicular to cylinder 10, mounting groove 212 and at least one cylinder
10 sliding vane groove is arranged in angle.Specifically, in plane of reference S, at least part of intercommunicating pore is overlapped with the tail portion of sliding vane groove,
Pressure release component 22 is arranged in mounting groove 212.When pressure release component 22 is in open state, above-mentioned setting can prevent pressure release group
Movement interference occurs for part 22 and the slide plate being arranged in sliding vane groove, and then prevents the movement of pressure release component 22 from influencing position residing for slide plate
It sets, ensures pump assembly normal operation.
As shown in Figure 1 to Figure 3, pump assembly includes the first cylinder 11 and the second cylinder 12, and the first cylinder 11 is located at second
The side of the top of cylinder 12, the first cylinder of direction 11 of clapboard body 21 has mounting groove 212.In this way, pressure release component 22 is set
It sets in mounting groove 212 and is arranged close to the first cylinder 11 relative to the second cylinder 12.When the second sliding vane groove of the second cylinder 12
The pressure of high-tension lubrication medium is more than the pressure of high-tension lubrication medium in the first sliding vane groove 111 of the first cylinder 11, and two in 121
When the pressure difference of person is more than the preset pressure of pressure release component 22, pressure release component 22 is moved towards the first cylinder 11 and and intercommunicating pore
211 separation, so that the high-tension lubrication medium in the second sliding vane groove 121 is entered to by intercommunicating pore 211 in the first sliding vane groove 111,
With to the second sliding vane groove 121 carry out pressure discharge operations, prevent pump assembly power due in the second sliding vane groove 121 pressure drastically increase
And increase, and then improve the operational reliability of pump assembly.
It should be noted that 10 numbers of cylinder that pump assembly includes are without being limited thereto.Optionally, pump assembly includes three
Cylinder 10 or four cylinders 10 or five cylinders 10 or multiple cylinders are provided with partition board 20 between adjacent two cylinders 10.Its
In, staff can select 10 numbers of the cylinder to come into operation.
As shown in Figure 8 and Figure 9, the tail portion of the second sliding vane groove 121 of the second cylinder 12 has transfiguration control chamber 121a, connection
Hole 211 is connected with transfiguration control chamber 121a, and the second cylinder 12 has the transfiguration channel 122 being connected to transfiguration control chamber 121a,
Transfiguration channel 122 is isolated with the inner cavity of the second cylinder 12 and is connected to the peripheral outer wall of the second cylinder 12, refrigerant or high-tension lubrication
Medium can be entered in transfiguration control chamber 121a by transfiguration channel 122.Wherein, transfiguration channel 122 and the second air entry 123
It is located at the both sides of the second sliding vane groove 121.In this way, by the way that different media is directed into transfiguration channel 122, to change
The working condition of two cylinders 12, that is, come into operation or do not use, so that staff exports the refrigerant of pump assembly
Amount, which is adjusted, to be more prone to, conveniently.
Specifically, when needing the second 12 normal operation of cylinder, high-tension lubrication medium is passed through in transfiguration channel 122, then
High-tension lubrication medium enters to the tail portion of the second sliding vane groove 121 by the transfiguration control chamber 121a being connected to transfiguration channel 122, and
Apply pressure to the second slide plate 100, is contacted always with the outer surface of the second roller 90 with the second slide plate 100 of guarantee, then the second gas
Cylinder 12 can realize the actions such as air-breathing, compression and exhaust.In above process, since the second slide plate 100 is in the second sliding vane groove 121
The space of interior reciprocating motion, transfiguration control chamber 121a constantly changes, when the high-tension lubrication medium in transfiguration control chamber 121a cannot
When enough discharges in time, pressure release component 22 is in open state, so that the high-tension lubrication medium in the second sliding vane groove 121 can pass through
Intercommunicating pore 211 enters in the first sliding vane groove 111, to carry out pressure release to the second sliding vane groove 121.It dallies when needing the second cylinder 12
When, refrigerant (the low pressure refrigerant gas) in transfiguration channel 122, then the second slide plate 100 can not be with the outer surface of the second roller 90
Contact, then the second cylinder 12 can not realize the actions such as air-breathing, compression and exhaust.
In the present embodiment, the high-voltage power supply in transfiguration control chamber 121a will be imported in twin-tub mode operation by high pressure gas
It is changed to extreme pressure lubricant, reduces and is asked because the coolant leakage for lacking seal oil generation in transfiguration control chamber 121a is increased
Topic.Meanwhile when the pressure in transfiguration control chamber 121a increases suddenly, pressure release component 22 is opened, and reduces transfiguration control chamber 121a
Interior pressure, while the extreme pressure lubricant in transfiguration control chamber 121a is imported into 30 tail portion of the first slide plate of the first cylinder 11 to subtract
Coolant leakage at few first sliding vane groove 111.In this way, in pump assembly, there are one 11 Hes of the first cylinder of constant operation for tool
The second cylinder 12 of normal work or idle running is executed as needed.
As shown in Fig. 3, Fig. 6 and Fig. 7, the tail portion of the first sliding vane groove 111 of the first cylinder 11 has along the first cylinder 11
Axially extending oil collecting hole 111a, intercommunicating pore 211 are connected with oil collecting hole 111a.Wherein, oil collecting hole 111a and the first air entry
113 is adjacent.In this way, the high-tension lubrication medium flowed out from the second sliding vane groove 121 enters to and the first sliding vane groove via intercommunicating pore 211
In the oil collecting hole 111a of 111 connections, to be sealed, lubricate to the first sliding vane groove 111, so that the second sliding vane groove 121
Pressure release is more prone to, is easy.Meanwhile the above process realize the first sliding vane groove of high-tension lubrication medium pair 111 tail portion carry out it is close
The purpose of envelope, and then reduce coolant leakage, improve the working efficiency and working performance of pump assembly.
As shown in Fig. 4, Fig. 6 and Fig. 7, pump assembly further includes the first slide plate 30 and seal assembly 40.Wherein, it first slides
Piece 30 is slidably disposed in the first sliding vane groove 111 of the first cylinder 11.Seal assembly 40 includes elastic component 41 and sealing
Part 42, the first cylinder 11 have the mounting hole 112 radially extended, the first sliding vane groove of mounting hole 112 and the first cylinder 11
111 tail portion connection, elastic component 41 are stretched into mounting hole 112 and are abutted with the first slide plate 30, and sealing element 42 blocks mounting hole 112
To be sealed to mounting hole 112.Specifically, in order to ensure the first slide plate 30 of the first cylinder 11 always with the first roller 110
Outer surface be in contact, and then the elastic component 41 that is abutted with it is set in the tail portion of the first slide plate 30.Meanwhile it is in order to enable elastic
The installation of part 41 is more prone to, the processing mounting holes 112 on the first cylinder 11, and elastic component 41 is mounted in mounting hole 112,
Mounting hole 112 is closed using sealing element 42 after completing installation.In this way, above-mentioned setting can prevent from entering to oil collecting hole
High-tension lubrication medium in 111a is flowed out by mounting hole 112.
Optionally, on the axial projecting direction along the first cylinder 11, at least part of transfiguration control chamber 121a, collection
At least part of oilhole 111a and at least part of intercommunicating pore 211 overlap.In the present embodiment, transfiguration control chamber 121a,
Oil collecting hole 111a and intercommunicating pore 211 overlap.In this way, above-mentioned setting ensures high-tension lubrication medium in transfiguration control chamber 121a, collection
It is smoothly flowed in oilhole 111a and intercommunicating pore 211, and then improves the operational reliability of pressure release component 22, realize timely pressure release,
Ensure the operational reliability of pump assembly.
As shown in Fig. 2, pump assembly further includes flange 50, locking piece 60 and locking return unit 70.Wherein, flange 50 is located at
Second cylinder, 12 lower section, has the installation passage 51 being connected to transfiguration control chamber 121a.Locking piece 60 is located in installation passage 51,
Locking piece 60 can extend into in transfiguration control chamber 121a and to being arranged second in the second sliding vane groove 121 of the second cylinder 12
100 backstop of slide plate limits.Locking return unit 70 is abutted with locking piece 60, and locking return unit 70 is provided to locking piece 60 towards transfiguration
The reset force of the sides control chamber 121a movement, when high-tension lubrication medium enters to transfiguration control chamber 121a by transfiguration channel 122
When interior, locking piece 60 is towards the movement of locking return unit 70 and avoids the second slide plate 100；When refrigerant is entered by transfiguration channel 122
When in transfiguration control chamber 121a, locking piece 60 stretches to transfiguration control chamber 121a under the reset force effect of locking return unit 70
It is interior and to 100 backstop of the second slide plate limit.The structure of above structure is simple, easy to implement, processing.
Specifically, when the second 12 normal operation of cylinder, the second slide plate 100 is abutted with the second roller 90, the second slide plate 100
The second roller 90 is followed to move, the second cylinder 12 carries out normal air-breathing, compression, exhaust process；When the second cylinder 12 dallies,
Second slide plate 100 is detached with the second roller 90, and the second slide plate 100 is retracted into the second sliding vane groove 121 not followed by the second roller
90 movements, the second cylinder 12 no longer carry out air-breathing, compression, exhaust.When by refrigerant (low pressure refrigerant gas) import the second cylinder 12
Transfiguration control chamber 121a when, the tail portion of the second slide plate 100 and head (close to cylinder chamber side) pressure is low pressure, the second slide plate
100 be pushed into the second sliding vane groove 121 after no longer stretch into cylinder chamber.At the same time, the head of locking piece 60 and tail portion pressure are low
Pressure, locking piece 60 are pressed towards the second slide plate 100 under the reset force effect of locking return unit 70 and prevent the second slide plate 100 freely
Movement, 12 free-runing operation of the second cylinder, the first cylinder 11 work at this time.When the change that high-tension lubrication medium is imported to the second cylinder 12
When holding control chamber 121a, high-tension lubrication medium is full of in transfiguration control chamber 121a, then the tail portion pressure of the second slide plate 100 is height
Pressure, head pressure are low pressure, and the second slide plate 100 has the trend moved to the second roller 90.At the same time, the head of locking piece 60
Portion is high pressure, and tail portion is low pressure, and locking piece 60 overcomes locking return unit 70 to far from the second slide plate 100 under the action of pressure difference
Direction movement, the constraint of the second slide plate 100 be released from and it is mobile to 90 direction of the second roller under the action of pressure difference and with
Second roller 90 abuts, then the second cylinder 12 is in normal operating condition.
In the present embodiment, the first roller 110 is set on an eccentric part of the bent axle in the first cylinder 11, the
One slide plate 30 is arranged in the first sliding vane groove 111 and is abutted with 110 peripheral surface of the first roller is separated into suction by the first cylinder cylinder chamber
Gas chamber (being connected to the first air entry 113) and discharge chambe.The tail portion of first slide plate 30 sets gradually elastic component 41 and sealing element 42
(plug).Second roller 90 is set on another eccentric part of the bent axle in the second cylinder 12.Second slide plate 100 is arranged
It is abutted in the second sliding vane groove 121 and with 90 peripheral surface of the second roller and the second cylinder cylinder chamber is separated into induction chamber (with the second suction
Gas port 123 is connected to) and discharge chambe, partition board 20, the second slide plate 100, the second cylinder 12, flange 50 are by 121 tail portion of the second sliding vane groove
Space surround the chamber (transfiguration control chamber 121a) of sealing.It is provided with transfiguration channel 122 on the second cylinder 12.Positioned at
Installation passage 51 is set on the flange 50 of two slide plates, 100 lower section, 60 He of mobilizable locking piece is provided in the installation passage 51
Lock return unit 70.Locking piece 60 immerses transfiguration control chamber 121a, locking piece close to 12 side of the second cylinder (60 head of locking piece)
Low pressure connectivity slot is set on 60 lower covers far from 12 side of the second cylinder (60 tail portion of locking piece), by the second air entry 123 and lock
Determine the connection of 60 tail portion of part, locking piece 60 by 60 head pressure environment of locking piece and is locked with flange 50 by smaller clearance fit
60 tail portion pressure environment of part separates.
Optionally, locking piece 60 is pin.
Optionally, locking return unit 70 is spring.
As shown in Figure 1, present invention also provides a kind of compressor, including above-mentioned pump assembly.Compressor further includes point
Liquid device, there are one the pumps that inlet tube and multiple outlets, outlet pass through shell 80 and be arranged inside shell 80 for dispenser tool
The air entry of body component is connected to, and is disposed with motor, pump assembly from top to down in shell 80, motor passes through with pump assembly
Bent axle connects and bent axle rotation, compression is driven to enter the indoor gas of cylinder cylinder, and the gas of high pressure is discharged into outside pump assembly,
In high-pressure space in shell 80.
As shown in Figure 1, compressor includes shell 80 and connecting pipe 140.Wherein, pump assembly is located in shell 80.Even
Take over road 140 is connected to the transfiguration control chamber 121a of pump assembly, and the residing height of inlet of connecting pipe 140 is less than pump housing group
The residing height in the lower face of second cylinder 12 of part, and difference in height is more than or equal to 10mm and is less than or equal to 20mm.In this way, to ensure
Connecting pipe 140 can import the high-tension lubrication medium in oil sump 150 always, and the inlet of connecting pipe 140 should be less than height H.
Wherein, height H is the minimum permission oil level of compressor.
Specifically, shell 80 is passed through to draw refrigerant pipeline 160 and connecting pipe from the transfiguration control chamber 121a of the second cylinder
140.Wherein, refrigerant pipeline 160 is connected to the air entry of compressor, and connecting pipe 140 is connected to the oil sump 150 of compressor,
First solenoid valve 120 is set on refrigerant pipeline 160, second solenoid valve 130 is set in connecting pipe 140.By changing first
The open and close state of solenoid valve 120 and second solenoid valve 130 changes the pressure in transfiguration control chamber 121a.When the first solenoid valve
When 120 open, second solenoid valve 130 is closed, the low pressure refrigerant gas in the air entry of compressor is imported into transfiguration control chamber
In 121a；When the first solenoid valve 120 is closed, second solenoid valve 130 is opened, the high-tension lubrication medium in shell 80 is imported and is become
Hold in control chamber 121a.
In the present embodiment, the transfiguration principle of compressor is as follows：
When the second cylinder 12 is worked normally, the second slide plate 100 is abutted with the second roller 90, the change of the second cylinder 12
It is small when holding big when the change of the volume of control chamber 121a because of 100 position of the second slide plate, when the second slide plate 100 is moved to cylinder chamber direction
When (stretch out the second sliding vane groove 121), the volume of transfiguration control chamber 121a gradually increases；When the second slide plate 100 is to far from cylinder chamber side
To (the second sliding vane groove 121 is retracted into) when movement, the volume of transfiguration control chamber 121a is gradually reduced.When the appearance of transfiguration control chamber 121a
When product increases, the lubricating oil in compressor oil sump 150 imports transfiguration control chamber by second solenoid valve 130 and transfiguration channel 122
121a slows down the pressure reduction of transfiguration control chamber 121a to fill the increased spaces transfiguration control chamber 121a.When transfiguration control chamber
When the volume of 121a reduces, the lubricating oil in the cavity is imported by transfiguration channel 122 and second solenoid valve 130 in oil sump 150.
If the volume variation of transfiguration control chamber 121a is too fast, when lubricating oil has little time to import oil sump 150 by the aforesaid way, transfiguration control
Pressure rise in chamber 121a processed, the pressure release component 22 being arranged on partition board 20 are in open state, in transfiguration control chamber 121a
Extra lubricating oil is discharged into the oil collecting hole 111a of the first cylinder 11 in time by pressure release component 22, hereafter transfiguration control chamber 121a
Interior pressure reduction.In this way, though transfiguration control chamber 121a is isolated with the oil sump 150 in shell 80, the second cylinder 12 is in normal work
When making, there are enough seal oil the second slide plate 100 and the second sliding vane groove 121 in transfiguration control chamber 121a always, to reduce
Coolant leakage at this.Meanwhile when the pressure rise in transfiguration control chamber 121a, lubricating oil again can by pressure release component 22 and
When extra lubricating oil is imported in the oil collecting hole 111a of the first cylinder 11, avoid transfiguration control chamber 121a pressure rises and draw
The power consumption risen increases.In addition to this, extra lubricating oil supplies 30 tail portion of the first slide plate, is the first slide plate 30 and the first sliding vane groove
Sealing function is provided between 111, to reduce the leakage of refrigerant between the first cylinder 11 and the first slide plate 30.
It can be seen from the above description that the above embodiments of the present invention realize following technique effect：
In pump assembly operational process, when the pressure in the sliding vane groove of one of cylinder increases suddenly, high pressure profit
Sliding medium is entered to by the intercommunicating pore being arranged on partition board in the sliding vane groove of another cylinder adjacent with the cylinder, so that the gas
Pressure reduction in the sliding vane groove of cylinder, and then prevent the power of pump assembly from increasing, improve the operational reliability of pump assembly.
Obviously, above-mentioned described embodiment only a part of the embodiments of the present invention, instead of all the embodiments.
Based on the embodiments of the present invention, obtained by those of ordinary skill in the art without making creative efforts all
Other embodiment should all belong to the scope of protection of the invention.
It should be noted that term used herein above is merely to describe specific implementation mode, and be not intended to restricted root
According to the illustrative embodiments of the application.As used herein, unless the context clearly indicates otherwise, otherwise singulative
It is also intended to include plural form, additionally, it should be understood that, when in the present specification using term "comprising" and/or " packet
Include " when, indicate existing characteristics, step, work, device, component and/or combination thereof.
It should be noted that term " first " in the description and claims of this application and above-mentioned attached drawing, "
Two " etc. be for distinguishing similar object, without being used to describe specific sequence or precedence.It should be appreciated that using in this way
Data can be interchanged in the appropriate case, so that presently filed embodiment described herein can be in addition to illustrating herein
Or the sequence other than those of description is implemented.
The foregoing is only a preferred embodiment of the present invention, is not intended to restrict the invention, for the skill of this field
For art personnel, the invention may be variously modified and varied.All within the spirits and principles of the present invention, any made by repair
Change, equivalent replacement, improvement etc., should all be included in the protection scope of the present invention.
Claims (13)
1. a kind of pump assembly, which is characterized in that including：
Multiple cylinders (10)；
At least one partition board (20) is arranged between two adjacent cylinders (10), and the partition board (20) has intercommunicating pore
(211) for the sliding vane groove of the two neighboring cylinder (10) of connection.
2. pump assembly according to claim 1, which is characterized in that the partition board (20) includes：
Clapboard body (21), the clapboard body (21) have the intercommunicating pore (211)；
Pressure release component (22), the pressure release component (22) are arranged at the intercommunicating pore (211), when cylinder (10)
The pressure of high-tension lubrication medium is more than high-tension lubrication in the sliding vane groove of another cylinder (10) adjacent thereto in sliding vane groove
When the pressure of medium, the pressure release component (22) is in open state, so that the high-tension lubrication medium passes through the intercommunicating pore
(211) low-pressure side is flowed to.
3. pump assembly according to claim 2, which is characterized in that the clapboard body (21) has for accommodating described
The mounting groove (212) of pressure release component (22), and the intercommunicating pore (211) is located in the mounting groove (212).
4. pump assembly according to claim 2 or 3, which is characterized in that the pressure release component (22) includes：
Pressure release valve block (221)；
Baffle (222), lid are located on the pressure release valve block (221)；
Pressure release fastener (223), sequentially pass through one end of the baffle (222), the pressure release valve block (221) one end with it is described
Clapboard body (21) connects.
5. pump assembly according to claim 3, which is characterized in that in the axis direction perpendicular to the cylinder (10)
In plane of reference S, the sliding vane groove of the mounting groove (212) and at least one cylinder (10) is arranged in angle.
6. pump assembly according to claim 3, which is characterized in that the pump assembly includes the first cylinder (11) and the
Two cylinders (12), first cylinder (11) are located at the top of second cylinder (12), the direction of the clapboard body (21)
The side of first cylinder (11) has the mounting groove (212).
7. pump assembly according to claim 6, which is characterized in that the second sliding vane groove of second cylinder (12)
(121) there is transfiguration control chamber (121a), the intercommunicating pore (211) to be connected with the transfiguration control chamber (121a) for tail portion,
Second cylinder (12) has the transfiguration channel (122) being connected to the transfiguration control chamber (121a), the transfiguration channel
(122) it is isolated and is connected to the peripheral outer wall of second cylinder (12), refrigerant or height with the inner cavity of second cylinder (12)
Pressure lubricating medium can be entered to by the transfiguration channel (122) in the transfiguration control chamber (121a).
8. pump assembly according to claim 7, which is characterized in that the first sliding vane groove of first cylinder (11)
(111) tail portion has the axially extending oil collecting hole (111a) along first cylinder (11), the intercommunicating pore (211) and institute
Oil collecting hole (111a) is stated to be connected.
9. pump assembly according to claim 8, which is characterized in that the pump assembly further includes：
First slide plate (30), first slide plate (30) are slidably disposed on first slide plate of first cylinder (11)
In slot (111)；
Seal assembly (40), including elastic component (41) and sealing element (42), first cylinder (11), which has, radially prolongs
The mounting hole (112) stretched, the tail portion of the mounting hole (112) and first sliding vane groove (111) of first cylinder (11)
Connection, the elastic component (41) are stretched into the mounting hole (112) and are abutted with first slide plate (30), the sealing element
(42) mounting hole (112) is blocked to be sealed to the mounting hole (112).
10. pump assembly according to claim 8, which is characterized in that in the axial throwing along first cylinder (11)
On shadow direction, at least part of the transfiguration control chamber (121a), at least part of the oil collecting hole (111a) and described
At least part of intercommunicating pore (211) overlaps.
11. pump assembly according to claim 7, which is characterized in that the pump assembly further includes：
Flange (50) below second cylinder (12), the flange (50) have and the transfiguration control chamber (121a)
The installation passage (51) of connection；
Locking piece (60) is located in the installation passage (51), and the locking piece (60) can extend into the transfiguration control chamber
The second slide plate (100) backstop in (121a) and to setting in second sliding vane groove (121) of second cylinder (12)
Limit；
Return unit (70) is locked, is abutted with the locking piece (60), the locking return unit (70) carries to the locking piece (60)
For the reset force moved towards transfiguration control chamber (121a) side, when high-tension lubrication medium passes through the transfiguration channel
(122) enter to the transfiguration control chamber (121a) it is interior when, the locking piece (60) moves towards the locking return unit (70)
And evacuation second slide plate (100)；When refrigerant enters to the transfiguration control chamber (121a) by the transfiguration channel (122)
When interior, the locking piece (60) stretches to the transfiguration control chamber under the reset force effect of the locking return unit (70)
It is limited in (121a) and to the second slide plate (100) backstop.
12. a kind of compressor, which is characterized in that including the pump assembly described in any one of claim 1 to 11.
13. compressor according to claim 12, which is characterized in that the compressor includes：
Shell (80), the pump assembly are located in the shell (80)；
Connecting pipe (140) is connected to the transfiguration control chamber (121a) of the pump assembly, the connecting pipe (140) into
The residing height of liquid mouth is less than the residing height in the lower face of the second cylinder (12) of the pump assembly, and difference in height is more than or equal to
10mm and be less than or equal to 20mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810130544.8A CN108331755B (en) | 2018-02-08 | 2018-02-08 | Pump body assembly and compressor with same |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810130544.8A CN108331755B (en) | 2018-02-08 | 2018-02-08 | Pump body assembly and compressor with same |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108331755A true CN108331755A (en) | 2018-07-27 |
| CN108331755B CN108331755B (en) | 2023-11-10 |
Family
ID=62927315
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810130544.8A Active CN108331755B (en) | 2018-02-08 | 2018-02-08 | Pump body assembly and compressor with same |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108331755B (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110332115A (en) * | 2019-07-04 | 2019-10-15 | 珠海格力节能环保制冷技术研究中心有限公司 | Pump assembly, compressor and heat pump system |
| CN111255686A (en) * | 2018-11-30 | 2020-06-09 | 广东美芝精密制造有限公司 | Compressor and slip sheet, electrical equipment thereof |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CA2032787A1 (en) * | 1990-01-02 | 1991-07-03 | James Day | Dual flow single cell rotary compressor |
| JPH0610862A (en) * | 1992-06-26 | 1994-01-21 | Daikin Ind Ltd | Rotary compressor |
| CN101169116A (en) * | 2007-11-17 | 2008-04-30 | 美的集团有限公司 | Exhaust valve device of rotary compressor and control method thereof |
| CN105485013A (en) * | 2016-01-12 | 2016-04-13 | 珠海格力节能环保制冷技术研究中心有限公司 | Volume changing control mechanism of volume changing compressor and volume changing compressor |
| CN105626526A (en) * | 2016-03-31 | 2016-06-01 | 珠海格力节能环保制冷技术研究中心有限公司 | Compressor and air conditioning system |
| CN106593870A (en) * | 2016-12-06 | 2017-04-26 | 广东美芝制冷设备有限公司 | Rotary compressor and refrigeration system with rotary compressor |
| CN107605735A (en) * | 2017-10-23 | 2018-01-19 | 珠海凌达压缩机有限公司 | Distance piece, the pump housing and compressor |
| CN208010593U (en) * | 2018-02-08 | 2018-10-26 | 珠海格力节能环保制冷技术研究中心有限公司 | Pump assembly and compressor with it |
-
2018
- 2018-02-08 CN CN201810130544.8A patent/CN108331755B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CA2032787A1 (en) * | 1990-01-02 | 1991-07-03 | James Day | Dual flow single cell rotary compressor |
| JPH0610862A (en) * | 1992-06-26 | 1994-01-21 | Daikin Ind Ltd | Rotary compressor |
| CN101169116A (en) * | 2007-11-17 | 2008-04-30 | 美的集团有限公司 | Exhaust valve device of rotary compressor and control method thereof |
| CN105485013A (en) * | 2016-01-12 | 2016-04-13 | 珠海格力节能环保制冷技术研究中心有限公司 | Volume changing control mechanism of volume changing compressor and volume changing compressor |
| CN105626526A (en) * | 2016-03-31 | 2016-06-01 | 珠海格力节能环保制冷技术研究中心有限公司 | Compressor and air conditioning system |
| CN106593870A (en) * | 2016-12-06 | 2017-04-26 | 广东美芝制冷设备有限公司 | Rotary compressor and refrigeration system with rotary compressor |
| CN107605735A (en) * | 2017-10-23 | 2018-01-19 | 珠海凌达压缩机有限公司 | Distance piece, the pump housing and compressor |
| CN208010593U (en) * | 2018-02-08 | 2018-10-26 | 珠海格力节能环保制冷技术研究中心有限公司 | Pump assembly and compressor with it |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111255686A (en) * | 2018-11-30 | 2020-06-09 | 广东美芝精密制造有限公司 | Compressor and slip sheet, electrical equipment thereof |
| CN110332115A (en) * | 2019-07-04 | 2019-10-15 | 珠海格力节能环保制冷技术研究中心有限公司 | Pump assembly, compressor and heat pump system |
| CN110332115B (en) * | 2019-07-04 | 2021-07-27 | 珠海格力节能环保制冷技术研究中心有限公司 | Pump body assembly, compressor and heat pump system |
Also Published As
| Publication number | Publication date |
|---|---|
| CN108331755B (en) | 2023-11-10 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN108331755A (en) | Pump assembly and compressor with it | |
| CN205064266U (en) | Horizontal compressor and equipment of adjusting temperature | |
| US20240141897A1 (en) | Axially flexible compressor | |
| CN202707496U (en) | Variable-capacity rotary compressor | |
| CN208010593U (en) | Pump assembly and compressor with it | |
| CN103727032A (en) | Low-back-pressure non-lubricating-oil rolling piston type refrigeration compressor | |
| CN108397383A (en) | Pump assembly, compressor and heat transmission equipment | |
| CN205858673U (en) | Compressor and there is its air-conditioner | |
| CN101776078A (en) | Totally-enclosed type refrigeration compressor and rotor compressor unit thereof | |
| CN208918829U (en) | A kind of sliding-vane air compressor enhancing sealing structure | |
| CN105952643A (en) | Compressor and air conditioner equipped with same | |
| CN107269527B (en) | Vane compressor | |
| CN206903866U (en) | Pump assembly, fluid machinery and heat transmission equipment | |
| CN201513346U (en) | Full-enclosed refrigeration compressor and rotor compressor unit | |
| CN100387842C (en) | Rotary compressor | |
| CN206592288U (en) | Rotary compressor | |
| CN112576514B (en) | Pump body assembly, compressor and air conditioner with same | |
| CN115163493A (en) | Scroll compressor and refrigeration equipment | |
| CN206338185U (en) | Air injection enthalpy-increasing screw compressor and air-conditioning system | |
| JPH11324959A (en) | Sealed rotary compressor | |
| KR101459150B1 (en) | Low pressure type rotary compressor | |
| CN207333184U (en) | Helical-lobe compressor | |
| CN208281187U (en) | Pump assembly and compressor and air conditioner | |
| CN209278125U (en) | Pump assembly, rotary compressor and the refrigeration equipment of rotary compressor | |
| CN207568844U (en) | Compressor and with its heat transmission equipment |
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 |