CN109026691B - Multi-cylinder multi-stage compressor and air conditioning system - Google Patents
Multi-cylinder multi-stage compressor and air conditioning system Download PDFInfo
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- CN109026691B CN109026691B CN201810963147.9A CN201810963147A CN109026691B CN 109026691 B CN109026691 B CN 109026691B CN 201810963147 A CN201810963147 A CN 201810963147A CN 109026691 B CN109026691 B CN 109026691B
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- 238000004378 air conditioning Methods 0.000 title claims description 7
- 230000006835 compression Effects 0.000 claims abstract description 79
- 238000007906 compression Methods 0.000 claims abstract description 79
- 238000005192 partition Methods 0.000 claims abstract description 61
- 230000001502 supplementing effect Effects 0.000 claims abstract description 31
- 239000003507 refrigerant Substances 0.000 abstract description 18
- 238000005461 lubrication Methods 0.000 abstract description 7
- 238000010438 heat treatment Methods 0.000 abstract description 5
- 239000007788 liquid Substances 0.000 description 6
- 208000028659 discharge Diseases 0.000 description 5
- 238000005516 engineering process Methods 0.000 description 3
- 238000005299 abrasion Methods 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- 238000001816 cooling Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 125000006850 spacer group Chemical group 0.000 description 1
- 230000000153 supplemental effect Effects 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
- F04C18/344—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 inner member
- F04C18/3446—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 inner member the inner and outer member being in contact along more than one line or surface
- F04C18/3447—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 inner member the inner and outer member being in contact along more than one line or surface the vanes having the form of rollers, slippers or the like
-
- 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
- F04C29/00—Component parts, details or accessories of pumps or pumping installations, not provided for in groups F04C18/00 - F04C28/00
- F04C29/04—Heating; Cooling; Heat insulation
- F04C29/042—Heating; Cooling; Heat insulation by injecting a fluid
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Applications Or Details Of Rotary Compressors (AREA)
Abstract
The invention discloses a multi-cylinder multistage compressor, which comprises: upper flange, upper cylinder, baffle and lower cylinder. The upper cylinder is a single-stage compression cavity, and the lower cylinder is divided into a first compression cavity and a second compression cavity. The partition board is provided with a first-stage air storage cavity and a second-stage air storage cavity. The gas sucked into the first compression cavity by the lower cylinder is compressed at one stage, returned to the second compression cavity by the first gas storage cavity, compressed at two stages, enters the upper cylinder by the second gas storage cavity, compressed at three stages and discharged by the upper flange. Meanwhile, the upper flange is used for introducing a low-temperature medium-pressure refrigerant to perform primary air supplementing and enthalpy increasing, and the upper cylinder is used for introducing the low-temperature medium-pressure refrigerant to perform secondary air supplementing and enthalpy increasing, so that the purpose of double-cylinder three-stage air supplementing and enthalpy increasing compression is achieved. The invention reduces the compression ratio of the cylinder under the working condition of ultra-high pressure ratio, reduces the exhaust temperature of the compressor, improves the lubrication of the pump body, and effectively solves the reliability problems of overhigh exhaust temperature of the compressor, insufficient lubrication of the pump body and the like under the ultra-low temperature heating working condition.
Description
Technical Field
The invention relates to the field of air conditioner compressors, in particular to a multi-cylinder multi-stage air supplementing and enthalpy increasing compressor and an air conditioner system with the compressor.
Background
Because of the low northern ambient temperature, single-stage and double-stage compression air-supplementing enthalpy-increasing technologies of the heat pump system are proposed for improving the low-temperature heating capacity of the air conditioning system. However, the single-stage/double-stage compressor air-supplementing enthalpy-increasing technology has reliability problems under the working condition of ultrahigh pressure comparison, and the single-stage air-supplementing enthalpy-increasing technology of the compressor is particularly worry. The pressure ratio of the general compressor is large, and a series of reliability problems such as overhigh exhaust temperature, demagnetizing of a motor, excessive expansion of pump body parts and insufficient lubrication can occur, so that abrasion and the like occur. As shown in fig. 1, the existing single-cylinder single-stage air-supplementing enthalpy-increasing compressor 06 comprises a cylinder 01, an upper flange 02 and a lower flange 03 which are respectively arranged at the upper end and the lower end of the cylinder, a liquid separator 04 which is communicated with an air suction hole at the left side of the cylinder 01, and an air-supplementing liquid separator 05 which is communicated with an air-supplementing hole at the right side of the lower flange 03. The gas fed into the lower flange 03 can enter the compression chamber of the cylinder. The heat pump structure is in under the high pressure ratio operating mode, the compression ratio of the cylinder is large, the air suction flow is small, the cooling effect of the refrigerant on the pump body part is weakened, meanwhile, the exhaust temperature of the compressor is high, the unbalance of the compressor and the torque are increased, the expansion of the pump body part is overlarge, and the pump body is not sufficiently lubricated to cause abrasion.
Therefore, how to overcome the defect that the operation reliability of the existing single/double-stage air supplementing enthalpy increasing compressor is reduced under the working condition of ultrahigh pressure ratio is a problem to be solved in the industry.
Disclosure of Invention
The invention provides a multi-cylinder multi-stage compressor and an air conditioning system, which are suitable for ultralow temperature (namely ultrahigh pressure ratio) heating conditions and have high operation reliability, and aims to solve the technical problem that the operation reliability of the existing single/double-stage enthalpy-adding compressor is reduced under the ultrahigh pressure ratio working condition.
The invention provides a multi-cylinder multi-stage compressor, which comprises: upper flange, upper cylinder, baffle and lower cylinder. The upper cylinder is a single-stage compression cavity, the lower cylinder is divided into a first compression cavity and a second compression cavity, and a first-stage air storage cavity and a second-stage air storage cavity are arranged in the partition plate; and the gas sucked into the first compression cavity by the lower cylinder is returned to the second compression cavity through the first-stage gas storage cavity after being subjected to first-stage compression, enters the upper cylinder through the second-stage gas storage cavity after being subjected to second-stage compression, and is discharged from the upper flange after being subjected to third-stage compression.
Preferably, the gas fed in by the first stage of the upper flange enters the first stage gas storage cavity in the partition plate through the upper cylinder.
Preferably, the gas fed in by the second stage of the upper cylinder is converged with the gas discharged from the second-stage gas storage cavity in the partition plate, and then enters the upper cylinder.
Preferably, the upper flange is provided with: the first-stage air supplementing channel is communicated with the first-stage air storage cavity of the partition plate, and the exhaust hole is communicated with the upper air cylinder.
Preferably, the upper cylinder is provided with: the device comprises a secondary air supplementing and sucking hole, a tertiary air exhaust hole communicated with an air exhaust hole of the upper flange, a tertiary air suction hole communicated with a secondary air storage cavity of the partition board, and a gas channel communicated with a primary air supplementing channel of the upper flange and a primary air storage cavity of the partition board.
Preferably, the partition board is composed of an upper partition board and a lower partition board, and the first-stage air storage cavity and the second-stage air storage cavity are formed between the upper partition board and the lower partition board.
Preferably, the upper partition plate is provided with: the first-stage air supplementing hole is communicated with the air channel of the upper air cylinder, and the second-stage air exhausting hole is communicated with the third-stage air sucking hole of the upper air cylinder.
Preferably, the lower partition plate is provided with: a first-stage air suction hole for communicating the first-stage air storage cavity with the first compression cavity of the lower cylinder; a first-stage exhaust hole for communicating the first-stage air storage cavity with the second compression cavity of the lower cylinder; and a secondary air suction hole for communicating the second compression cavity of the lower cylinder with the secondary air storage cavity.
Preferably, the lower cylinder is provided with: the first-stage air suction hole is communicated with the first compression cavity, the first-stage air discharge inclined cutting groove is communicated with the first-stage air suction hole of the lower partition plate, the second-stage air suction hole is communicated with the first-stage air discharge hole of the lower partition plate, and the second-stage air discharge inclined cutting groove is communicated with the second-stage air suction hole of the lower partition plate; and a double-valve plate groove is also arranged.
The invention also provides an air conditioning system which comprises the multi-cylinder multi-stage compressor.
The invention adopts a structure of single-stage compression of an upper cylinder and single-stage double-stage compression of a lower cylinder. The low-temperature medium-pressure refrigerant can be introduced by the upper flange to perform primary air supplementing and enthalpy increasing, and is mixed with the refrigerant subjected to primary compression of the lower cylinder, and then the mixture is returned to the lower cylinder to perform secondary compression. The low-temperature medium-pressure refrigerant can be introduced into the upper cylinder to perform secondary air supplementing and enthalpy increasing, and the air supplementing and enthalpy increasing refrigerant is mixed with the refrigerant subjected to the double-stage compression of the lower cylinder and finally enters the upper cylinder to perform the three-stage compression, so that the purpose of double-cylinder three-stage air supplementing and enthalpy increasing compression is achieved. The invention reduces the compression ratio of the cylinder under the working condition of ultra-high pressure ratio (ultra-low temperature), reduces the exhaust temperature of the compressor, improves the lubrication of the pump body, and effectively solves the reliability problems of overhigh exhaust temperature of the compressor, insufficient lubrication of the pump body and the like under the ultra-low temperature heating working condition.
Drawings
FIG. 1 is a cross-sectional view of a prior art air make-up enthalpy compressor;
FIG. 2 is a cross-sectional view of a preferred embodiment of the present invention;
FIG. 3 is a schematic view of the upper baffle of FIG. 2;
FIG. 4 is a schematic perspective view of the lower spacer of FIG. 2;
fig. 5 is a perspective view of the lower cylinder of fig. 2.
Detailed Description
The invention is further described below with reference to examples and figures. The mouth of the gas entering a cavity is defined as the suction hole or mouth, and the outlet is defined as the exhaust hole or notch.
As shown in fig. 2 to 5, a preferred embodiment of the multi-cylinder multi-stage compressor provided by the invention is as follows: a dual-cylinder three-stage supplemental air enthalpy compressor 100, comprising: an upper flange 1, an upper cylinder 2, a partition plate, a lower cylinder 5 and a lower flange 6. The upper cylinder 2 is a single-stage compression cavity, and the compression cavity of the lower cylinder 5 is a two-stage compression cavity, namely, a first compression cavity and a second compression cavity are separated by a double sliding vane. The partition plate is provided with a right primary air storage cavity 33 and a left secondary air storage cavity 34. When the device works, gas sucked into the first compression cavity by the lower cylinder 5 is subjected to primary compression, then returns to the second compression cavity of the lower cylinder 5 through the primary gas storage cavity 33 in the partition plate, enters the compression cavity of the upper cylinder 2 through the secondary gas storage cavity 34 in the partition plate after secondary compression, and is discharged from the upper flange 1 after tertiary compression. In the present embodiment, the crankshaft 101 of the compressor 100 extends outward to serve as a motor shaft, and the stator and the rotor constitute a motor portion of the compressor. When the motor is powered on, the crankshaft 101 with rollers is driven to rotate around its central axis. The partition board is composed of an upper partition board 3 and a lower partition board 4, the upper partition board is provided with a groove, the upper partition board and the lower partition board are laminated, and a first-stage air storage cavity 33 on the right side and a second-stage air storage cavity 34 on the left side are formed between the upper partition board and the lower partition board. The right side of the upper flange 1 is provided with a first-stage air supplementing channel 11 communicated with a first-stage air storage cavity 33 of the partition board, and the first-stage air supplementing channel is connected with an external air supplementing liquid distributor (not shown in the figure) and is communicated with the air channel 23 of the upper cylinder 2 and a first-stage air supplementing hole 32 of the upper partition board 3. The gas fed in by the primary air feeding channel 11 of the upper flange 1 enters the primary air storage cavity 33 on the right side of the partition plate through the upper cylinder, so that air feeding and enthalpy increasing of primary exhaust can be realized. The upper flange 1 is further provided with an exhaust hole 12 communicating with the compression chamber of the upper cylinder 2. The left side of last cylinder 2 is equipped with second grade air make-up suction port 21, goes up the cylinder and still is equipped with: the third-stage exhaust port 22 communicated with the exhaust hole 12 of the upper flange 1, the third-stage air suction hole communicated with the second-stage air supplementing suction hole 21 and the second-stage air storage cavity 34 at the left side of the partition plate, and the air channel 23 communicated with the first-stage air supplementing channel 11 of the upper flange 1 and the first-stage air storage cavity 33 of the partition plate. The gas fed by the second-stage air-feeding air-sucking hole 21 of the upper cylinder 2 is converged with the second-stage compressed gas discharged from the second-stage air storage cavity 34 in the partition plate, and then enters the compression cavity of the upper cylinder 2 for three-stage compression. The upper cylinder 2 carries out secondary air supplementing, and air supplementing and enthalpy increasing of secondary exhaust can be realized. Referring to fig. 3 and 4, the upper partition plate 3 is provided with a first-stage air supply hole 32 communicating with the air passage 11 of the upper cylinder 2, and a second-stage air discharge hole 31 communicating with the third-stage air suction hole of the upper cylinder 2. The lower separator 4 is provided with: a primary air suction hole 41 communicating the primary air storage chamber 33 with the first compression chamber of the lower cylinder 5; a first-stage exhaust hole 42 communicating the first-stage gas storage chamber 33 with the second compression chamber of the lower cylinder 5; a secondary air suction hole 43 connecting the second compression chamber of the lower cylinder 5 with the secondary air storage chamber 34 of the partition plate. Referring to fig. 5, the lower cylinder 5 is provided with: a primary suction hole 51 communicating with the first compression chamber thereof, a primary discharge diagonal slit 52 communicating with the primary suction hole 41 of the lower partition plate 4, a secondary suction hole 53 communicating with the primary discharge hole 42 of the lower partition plate 4, and a secondary discharge diagonal slit 54 communicating with the secondary suction hole 43 of the lower partition plate 4. The lower cylinder further includes a double-valve plate groove 55 provided radially symmetrically, in which a double slide plate may be provided to partition the compression chamber of the lower cylinder 5 into a first compression chamber and a second compression chamber so as to perform bipolar compression of the refrigerant. The invention also provides an air conditioning system capable of being used as a heat pump under the ultralow temperature working condition, which comprises the multi-cylinder and multi-stage compressor provided by the invention.
As shown in fig. 2 to 5, the operation process of the double-cylinder three-stage air-supplementing enthalpy-increasing compressor is as follows: the refrigerant of the liquid separator 200 on the right side of the compressor 100 is sucked into the first compression cavity by the first-stage suction hole 51 of the lower cylinder 5, is discharged by the first-stage discharge inclined groove 52 after being compressed by one stage, enters the first-stage air storage cavity 33 on the right side in the partition plate through the first-stage suction hole 41 of the lower partition plate 4, is mixed with the low-temperature medium-pressure refrigerant of the external air-supplementing liquid separator (not shown in the figure) introduced by the first-stage air-supplementing channel 11 of the upper flange 1, and then enters the second compression cavity of the lower cylinder 5 through the second-stage air-intake hole 53 of the lower partition plate 4 for two-stage compression. The refrigerant after the secondary compression is discharged through the secondary exhaust inclined groove 54 of the lower cylinder 5, passes through the secondary air suction port 43 of the lower partition plate 4, passes through the secondary air storage cavity 34 at the left side in the partition plate, is mixed with the low-temperature medium-pressure refrigerant of the secondary air supplementing liquid separator 300 introduced by the secondary air supplementing air suction port 21 of the upper cylinder 2 through the secondary air exhaust hole 31 of the upper partition plate 3, enters the compression cavity of the upper cylinder 2 for three-stage compression, and the gas after the three-stage compression is discharged through the air exhaust port 12 of the upper flange 1.
The invention adopts a structure of single-stage compression of an upper cylinder and single-stage double-stage compression of a lower cylinder. The low-temperature medium-pressure refrigerant can be introduced by the upper flange to perform primary air supplementing and enthalpy increasing, and is mixed with the refrigerant subjected to primary compression of the lower cylinder, and then the mixture is returned to the lower cylinder to perform secondary compression. The low-temperature medium-pressure refrigerant can be introduced into the upper cylinder to carry out secondary air supplementing and enthalpy increasing, and the air supplementing and enthalpy increasing refrigerant is mixed with the refrigerant subjected to the double-stage compression of the lower cylinder and then enters the upper cylinder to carry out the three-stage compression, so that the purpose of double-cylinder three-stage air supplementing and enthalpy increasing compression is achieved. The invention reduces the compression ratio of the cylinder under the ultralow temperature working condition, reduces the exhaust temperature of the compressor, improves the lubrication of the pump body, and effectively solves the reliability problems of overhigh exhaust temperature of the compressor, insufficient lubrication of the pump body and the like under the ultralow temperature heating working condition.
The above-described embodiments are mainly for illustrating the inventive concept, and it should be noted that it is possible for those skilled in the art to make several variations and modifications without departing from the inventive concept, which fall within the scope of the present invention.
Claims (8)
1. The multi-cylinder multi-stage compressor comprises an upper flange, an upper cylinder, a partition plate, a lower cylinder and a lower flange, and is characterized in that the upper cylinder is a single-stage compression cavity, the lower cylinder is divided into a first compression cavity and a second compression cavity, and a first-stage air storage cavity and a second-stage air storage cavity are arranged in the partition plate; and after primary compression, the gas sucked into the first compression cavity by the lower cylinder is mixed with the gas fed in by the upper flange and the upper cylinder through the primary gas storage cavity, returned to the second compression cavity, and after secondary compression, the gas discharged through the secondary gas storage cavity is mixed with the gas fed in by the upper cylinder through the secondary, and after tertiary compression, the gas is discharged from the upper flange.
2. The multi-cylinder multistage compressor of claim 1, wherein the upper flange is provided with a primary air supplementing channel communicated with a primary air storage cavity of the partition plate, and an exhaust hole communicated with the upper cylinder.
3. The multi-cylinder multi-stage compressor according to claim 2, wherein said upper cylinder is provided with: the device comprises a secondary air supplementing and sucking hole, a tertiary air exhaust hole communicated with an air exhaust hole of the upper flange, a tertiary air suction hole communicated with a secondary air storage cavity of the partition board, and a gas channel communicated with a primary air supplementing channel of the upper flange and a primary air storage cavity of the partition board.
4. The multi-cylinder, multi-stage compressor of claim 3, wherein said partition is comprised of an upper partition and a lower partition, said primary and secondary gas storage chambers being formed between said upper and lower partitions.
5. The multi-cylinder multi-stage compressor according to claim 4, wherein said upper partition plate is provided with: the first-stage air supplementing hole is communicated with the air channel of the upper air cylinder, and the second-stage air exhausting hole is communicated with the third-stage air sucking hole of the upper air cylinder.
6. The multi-cylinder multi-stage compressor according to claim 5, wherein said lower partition plate is provided with: a first-stage air suction hole for communicating the first-stage air storage cavity with the first compression cavity of the lower cylinder; a first-stage exhaust hole for communicating the first-stage air storage cavity with the second compression cavity of the lower cylinder; and a secondary air suction hole for communicating the second compression cavity of the lower cylinder with the secondary air storage cavity.
7. The multi-cylinder multi-stage compressor of claim 6, wherein said lower cylinder is provided with: the first-stage air suction hole is communicated with the first compression cavity, the first-stage air discharge inclined cutting groove is communicated with the first-stage air suction hole of the lower partition plate, the second-stage air suction hole is communicated with the first-stage air discharge hole of the lower partition plate, and the second-stage air discharge inclined cutting groove is communicated with the second-stage air suction hole of the lower partition plate; and a double-valve plate groove is also arranged.
8. An air conditioning system comprising the multi-cylinder multi-stage compressor of any one of claims 1 to 7.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810963147.9A CN109026691B (en) | 2018-08-22 | 2018-08-22 | Multi-cylinder multi-stage compressor and air conditioning system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810963147.9A CN109026691B (en) | 2018-08-22 | 2018-08-22 | Multi-cylinder multi-stage compressor and air conditioning system |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109026691A CN109026691A (en) | 2018-12-18 |
| CN109026691B true CN109026691B (en) | 2024-03-22 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810963147.9A Active CN109026691B (en) | 2018-08-22 | 2018-08-22 | Multi-cylinder multi-stage compressor and air conditioning system |
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| CN (1) | CN109026691B (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110242577A (en) * | 2019-05-06 | 2019-09-17 | 珠海凌达压缩机有限公司 | Compressor and air conditioner |
| CN110513291A (en) * | 2019-08-22 | 2019-11-29 | 珠海凌达压缩机有限公司 | Rolling sliding vane coupling two-stage compression structure and compressor |
| CN110552885A (en) * | 2019-08-22 | 2019-12-10 | 珠海凌达压缩机有限公司 | Rotary cylinder rolling sliding vane coupling two-stage compression structure and compressor |
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| CN208651153U (en) * | 2018-08-22 | 2019-03-26 | 珠海凌达压缩机有限公司 | Multi-cylinder multi-stage compressor and air conditioning system |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP3370046B2 (en) * | 2000-03-30 | 2003-01-27 | 三洋電機株式会社 | Multi-stage compressor |
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2018
- 2018-08-22 CN CN201810963147.9A patent/CN109026691B/en active Active
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN203335407U (en) * | 2013-04-11 | 2013-12-11 | 珠海格力电器股份有限公司 | Single-cylinder two-stage compression pump body and compressor |
| CN104214100A (en) * | 2013-06-05 | 2014-12-17 | 珠海格力节能环保制冷技术研究中心有限公司 | Compressor and air conditioner with same |
| CN203717347U (en) * | 2013-10-30 | 2014-07-16 | 珠海格力电器股份有限公司 | Pump body structure of rotor compressor and rotor compressor |
| CN204476763U (en) * | 2015-02-03 | 2015-07-15 | 珠海格力电器股份有限公司 | Two-stage rotor type compressor and air conditioner |
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| Publication number | Publication date |
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| CN109026691A (en) | 2018-12-18 |
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