CN111173748A - Novel rotary compressor, refrigerating system, heat pump system and air conditioning equipment - Google Patents
Novel rotary compressor, refrigerating system, heat pump system and air conditioning equipment Download PDFInfo
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- CN111173748A CN111173748A CN201911368585.1A CN201911368585A CN111173748A CN 111173748 A CN111173748 A CN 111173748A CN 201911368585 A CN201911368585 A CN 201911368585A CN 111173748 A CN111173748 A CN 111173748A
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- cylinder
- rotary compressor
- novel rotary
- transmission shaft
- gas compression
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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
- 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
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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
-
- 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
- F04C29/0021—Systems for the equilibration of forces acting on the pump
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Applications Or Details Of Rotary Compressors (AREA)
Abstract
The invention provides a novel rotary compressor, a refrigerating system, a heat pump system and air conditioning equipment, and particularly relates to the technical field of compressors; the novel rotary compressor comprises a shell, a stator, a rotor assembly, a transmission shaft and a gas compression assembly, wherein the gas compression assembly is arranged below the transmission shaft, and the transmission assembly is arranged between the gas compression assembly and the transmission shaft; the gas compression assembly comprises a first cylinder and a second cylinder, the first cylinder and the second cylinder are horizontally distributed below the transmission shaft, the first cylinder and the second cylinder respectively comprise a crankshaft, a roller and a sliding sheet, and the crankshaft is arranged in the roller. The novel rotary compressor can fully lubricate the two cylinder bodies, can reduce the abrasion between the upper flange and the crankshaft, and is simple and convenient to install.
Description
Technical Field
The invention relates to the technical field of compressors, in particular to a novel rotary compressor, a refrigerating system, a heat pump system and air conditioning equipment.
Background
The rotary double-cylinder or double-stage compressor adopts two cylinders to work, wherein the double-cylinder compressor simultaneously works through the two cylinders, so that the working efficiency is improved; the two-stage compressor performs secondary compression of gas by using two cylinders. In the prior art, the two-stage compressor or the double-cylinder compressor superposes two cylinders in the vertical direction, so that the structure is compact, the improvement of the running stability is facilitated, and the following problems still exist:
1. the cylinder at the lower part of the compressor is fully lubricated during operation, but the cylinder at the upper part of the compressor is not fully lubricated, so that the excessive abrasion of the total roller or the sliding vane of the upper cylinder is easily caused.
2. The cylinder body stack in vertical direction is more complicated at the centering when the assembly, and same bent axle needs to accomplish twice centering, increases the assembly degree of difficulty.
3. Because the double cylinders are vertically arranged, the balance weight on the rotor assembly is easy to be overlarge due to the overlong crankshaft; the connecting part of the upper flange and the crankshaft is easy to wear due to overlarge deflection at the bearing of the upper flange.
Disclosure of Invention
The invention aims to overcome the defects in the prior art and provide a novel rotary compressor, which can fully lubricate two cylinder bodies, reduce the abrasion between an upper flange and a crankshaft and is simple and convenient to install.
A second object of the present invention is to provide a refrigeration system.
A third object of the present invention is to provide a heat pump system.
A fourth object of the present invention is to provide an air conditioning apparatus.
The purpose of the invention is realized by the following technical scheme:
a novel rotary compressor comprises a shell, a stator, a rotor assembly, a transmission shaft and a gas compression assembly, wherein the gas compression assembly is arranged below the transmission shaft, and the transmission assembly is arranged between the gas compression assembly and the transmission shaft; the gas compression assembly comprises a first cylinder and a second cylinder, the first cylinder and the second cylinder are horizontally distributed below the transmission shaft, the first cylinder and the second cylinder respectively comprise a crankshaft, a roller and a sliding sheet, and the crankshaft is arranged in the roller.
Preferably, the transmission assembly comprises a driving gear and two driven gears, the driving gear is connected with the bottom of the transmission shaft, and the two driven gears are respectively arranged on two sides of the driving gear and are both matched with the driving gear; the tops of the crankshafts of the first cylinder and the second cylinder are respectively connected with the two driven gears.
Preferably, the first cylinder and the second cylinder share one cylinder body, the cylinder body is horizontally arranged below the transmission shaft, and the crankshafts, the rollers and the sliding sheets of the first cylinder and the second cylinder are distributed in the cylinder body from left to right.
Preferably, the lower part of the transmission shaft is provided with an upper flange, and the thrust surface of the upper flange is arranged at the top of the common cylinder body.
Preferably, a common sliding groove is formed in the cylinder body, and sliding pieces of the first cylinder and the second cylinder are arranged in the common sliding groove.
Preferably, an elastic element is arranged between the sliding vanes of the first cylinder and the second cylinder, the elastic element is in a compressed state, and the elastic force of the elastic element always urges the two sliding vanes to slide outwards.
Preferably, the sliding sheets of the first cylinder and the second cylinder are respectively connected with the corresponding rollers in a rotating way.
A refrigerating system comprises the novel rotary compressor.
A heat pump system comprises the novel rotary compressor.
An air conditioning equipment comprises the novel rotary compressor.
The invention has the beneficial effects that:
1. according to the novel rotary compressor, the two cylinders are horizontally arranged, and particularly compared with the vertical arrangement, the two cylinders can be sufficiently lubricated, so that abrasion is avoided, and the service life is prolonged.
2. The two cylinders are horizontally arranged, so that the centering is simple during assembly, the installation is convenient, the assembly difficulty is reduced, and the improvement of the installation precision is facilitated.
3. The two cylinders are horizontally arranged, so that the transmission shaft of the compressor is favorably shortened, the whole structure is more compact, the deflection of the upper flange can be reduced, and the abrasion between the transmission shaft and the upper flange is reduced.
4. According to the novel rotary compressor, the two cylinders are horizontally arranged, so that the problem that the balance block of the compressor is too large is effectively solved.
5. The transmission shaft of the novel rotary compressor is separated from the crankshafts of the two cylinders during rotation, so that the novel rotary compressor is not easy to wear, the service life is prolonged, and the mounting difficulty is reduced.
Drawings
The invention is further illustrated by means of the attached drawings, but the embodiments in the drawings do not constitute any limitation to the invention, and for a person skilled in the art, other drawings can be derived on the basis of the following drawings without inventive effort.
Fig. 1 is a schematic sectional view of a novel rotary compressor according to the present invention.
Fig. 2 to 3 are schematic diagrams illustrating the application of the novel rotary compressor of the present invention to a two-cylinder compressor, wherein fig. 2 is a schematic diagram illustrating a first state of a first cylinder and a second cylinder, and fig. 3 is a schematic diagram illustrating a second state of the first cylinder and the second cylinder.
Fig. 4-5 are schematic diagrams illustrating the application of the novel rotary compressor of the present invention to a two-stage compressor, wherein fig. 4 is a schematic diagram illustrating a first state of a first cylinder and a second cylinder, and fig. 5 is a schematic diagram illustrating a second state of the first cylinder and the second cylinder.
Fig. 6 is a schematic view of the state of the first and second cylinders when the sliding vane and the roller are hinged.
Detailed Description
The invention is further described with reference to the following examples.
Example 1
Referring to fig. 1 to 6, the novel rotary compressor of the present embodiment includes a housing 1, a stator 2, a rotor assembly 3, a transmission shaft 5, and a gas compression assembly, wherein the gas compression assembly is disposed below the transmission shaft 5, and a transmission assembly is disposed between the gas compression assembly and the transmission shaft 5; wherein, the gas compression subassembly includes first cylinder and second cylinder, first cylinder and second cylinder horizontal distribution set up in the below of transmission shaft 5, first cylinder and second cylinder all include bent axle, roller and gleitbretter, the bent axle sets up in the roller, specifically, first cylinder includes first bent axle 8, first roller 21 and first gleitbretter 18, the second cylinder includes second bent axle 9, second roller 22 and second gleitbretter 19. Wherein the transmission shaft 5 is a crankshaft disposed in the housing 1.
Referring to fig. 1, the transmission assembly includes a driving gear 6 and two driven gears 7, the driving gear 6 is connected with the bottom of the transmission shaft 5, and the two driven gears 7 are respectively disposed on two sides of the driving gear 6 and are both disposed in cooperation with the driving gear 6; the tops of the first crankshaft 8 and the second crankshaft 9 of the first cylinder and the second cylinder are respectively connected with the two driven gears 7. The power of the transmission shaft 5 is transmitted to the two cylinders by adopting a gear transmission mode, so that the transmission effect is good; and use a driving gear 6 to drive two driven gear 7 and rotate simultaneously, realize the bent axle rotation of two cylinders, be favorable to guaranteeing two cylinders synchronous operation.
Referring to fig. 1, the first cylinder and the second cylinder share one cylinder 10, the cylinder 10 is horizontally disposed below the transmission shaft 5, and the crankshafts, the rollers and the sliding sheets of the first cylinder and the second cylinder are distributed in the cylinder 10. The operation of two cylinders is realized by adopting one cylinder body 10, which is beneficial to making the structure more compact and simplifying the structure and facilitating the installation.
Referring to fig. 1, the lower portion of the drive shaft 5 is provided with an upper flange 4, and a thrust surface 20 of the upper flange 4 is provided on the top of the common cylinder 10. Two cylinders share one upper flange 4, the structure is simplified, and the axial movement of the rotor assembly 3 and the transmission shaft 5 is effectively limited through the arrangement of the upper flange 4, so that the position precision is improved. And a first lower flange 11 and a second lower flange 12 are correspondingly arranged below the first cylinder and the second cylinder.
Referring to fig. 1, a partition plate 27 is arranged between the transmission assembly and the top of the cylinder body 10, and an avoiding hole for avoiding connection of the crankshaft of the first cylinder and the second cylinder and the driven gear 7 is formed in the partition plate 27.
Referring to fig. 1, a common sliding groove 28 is provided on the cylinder body 10, and the first sliding piece 18 and the second sliding piece 19 of the first cylinder and the second cylinder are both disposed in the common sliding groove 28. The sliding vanes of both cylinders are arranged in a common sliding groove 28, which is convenient for installation and debugging and makes the structure of both cylinders more compact.
Referring to fig. 2-5, an elastic element is arranged between the sliding vanes of the first cylinder and the second cylinder, the elastic element is in a compressed state, and the elastic force of the elastic element always urges the two sliding vanes to slide outwards. Through set up elastic element between two gleitbretters, when the rotation of roller, realize the initiative of gleitbretter and slide, be favorable to the compression to gas. The resilient element in this embodiment is a spring 17.
According to the novel rotary compressor, the two cylinders are horizontally arranged, and particularly compared with the vertical arrangement, the two cylinders can be sufficiently lubricated, so that abrasion is avoided, and the service life is prolonged. The two cylinders are horizontally arranged, so that the centering is simple during assembly, the installation is convenient, the assembly difficulty is reduced, and the improvement of the installation precision is facilitated. The two cylinders are horizontally arranged, so that the transmission shaft 5 of the compressor is favorably shortened, the whole structure is more compact, the deflection of the upper flange 4 can be reduced, and the abrasion between the transmission shaft 5 and the upper flange 4 is reduced. According to the novel rotary compressor, the two cylinders are horizontally arranged, so that the problem that the balance block of the compressor is too large is effectively solved. The transmission shaft of the novel rotary compressor is separated from the crankshafts of the two cylinders during rotation, so that the novel rotary compressor is not easy to wear, the service life is prolonged, and the mounting difficulty is reduced.
The refrigerating system of the embodiment comprises the novel rotary compressor.
The heat pump system of the embodiment comprises the novel rotary compressor.
The air conditioning equipment of the embodiment comprises the novel rotary compressor.
Example 2
Referring to fig. 6, the present embodiment is different from embodiment 1 in that: the gleitbretter of first cylinder and second cylinder rotates with corresponding roller respectively and is connected, specifically, the gleitbretter is articulated with the roller. The connection of the slip sheet is realized by adopting a hinged mode, the structure can be simplified, parts such as a spring 17 and the like are reduced, the reliability of the compressor is improved, and meanwhile, the noise in low frequency can be eliminated.
Example 3
The present embodiment is different from embodiment 1 in that: the sliding sheet of one of the air cylinders is hinged with the roller of the air cylinder; a spring 17 is arranged between the sliding sheet of the other cylinder and the cylinder body 10. Through the gleitbretter of setting up two cylinders like this, can select suitable gleitbretter joint relation and gas compression mode according to actual conditions, exert the gas compression effect of two cylinders better.
Example 4
Referring to fig. 2 to 3, the novel rotary compressor of the present invention is particularly applied to a double cylinder compressor. When the air cylinder is in work, the transmission shaft 5 rotates to drive the driving gear 6 arranged at the bottom of the transmission shaft 5 to rotate, so that the two driven gears 7 rotate, the crankshafts of the two air cylinders are driven to rotate, and the operation of the two air cylinders is realized; in addition, the two cylinders respectively intake air through the first air inlet 13 and the second air inlet 14, under the continuous driving of the transmission shaft 5 and the transmission assembly, the roller is driven to do eccentric motion, the sliding sheet continuously slides in a telescopic mode along the sliding sheet groove, the compression of air is achieved, and the air enters the same silencer through the first air outlet 15 and the second air outlet 16 and enters the shell 1. Because when one cylinder is used for air intake, the other cylinder is used for air exhaust, and the two cylinders continuously and uninterruptedly operate, the efficiency of gas compression is improved.
Example 5
Referring to fig. 4 to 5, the novel rotary compressor of the present invention is particularly applied to a two-stage compressor. When the air cylinder works, the transmission shaft 5 rotates to drive the driving gear 6 arranged at the bottom of the transmission shaft 5 to rotate, so that the two driven gears 7 rotate, the crankshafts of the two air cylinders are driven to rotate, and the operation of the two air cylinders is realized; after one of the cylinders is compressed by the third air inlet 23, the discharged air sequentially passes through the third air outlet 25 and the fourth air inlet 24, enters the other cylinder for compression, and finally is discharged into the housing 1 through the fourth air outlet 26. Because two cylinders are driven by the same driving gear 6, the two cylinders can be in continuous matched operation, after one of the cylinders is subjected to primary gas compression, gas immediately enters the other cylinder to be subjected to secondary compression, the gas compression continuity can be improved, and the compression effect is good.
Example 6
The present embodiment is different from embodiment 1 in that: the gas compression assembly includes a plurality of cylinders. Thus, a plurality of cylinders can be arranged to work according to the actual gas compression requirement and the actual condition of the compressor.
Finally, it should be noted that the above embodiments are only used for illustrating the technical solutions of the present invention, and not for limiting the protection scope of the present invention, although the present invention is described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that modifications or equivalent substitutions can be made on the technical solutions of the present invention without departing from the spirit and scope of the technical solutions of the present invention.
Claims (10)
1. The novel rotary compressor is characterized by comprising a shell, a stator, a rotor assembly, a transmission shaft and a gas compression assembly, wherein the gas compression assembly is arranged below the transmission shaft, and the transmission assembly is arranged between the gas compression assembly and the transmission shaft; the gas compression assembly comprises a first cylinder and a second cylinder, the first cylinder and the second cylinder are horizontally distributed below the transmission shaft, the first cylinder and the second cylinder respectively comprise a crankshaft, a roller and a sliding sheet, and the crankshaft is arranged in the roller.
2. The novel rotary compressor of claim 1, wherein: the transmission assembly comprises a driving gear and two driven gears, the driving gear is connected with the bottom of the transmission shaft, and the two driven gears are respectively arranged on two sides of the driving gear and are matched with the driving gear; the tops of the crankshafts of the first cylinder and the second cylinder are respectively connected with the two driven gears.
3. The novel rotary compressor of claim 1, wherein: the first cylinder and the second cylinder share one cylinder body, the cylinder body is horizontally arranged below the transmission shaft, and the crankshafts, the rollers and the sliding sheets of the first cylinder and the second cylinder are distributed in the cylinder body from left to right.
4. The novel rotary compressor of claim 3, wherein: the lower part of the transmission shaft is provided with an upper flange, and a thrust surface of the upper flange is arranged at the top of the cylinder body.
5. The novel rotary compressor of claim 3, wherein: the cylinder body is provided with a common sliding groove, and sliding sheets of the first cylinder and the second cylinder are arranged in the common sliding groove.
6. The novel rotary compressor of claim 5, wherein: and an elastic element is arranged between the sliding sheets of the first cylinder and the second cylinder, the elastic element is in a compression state, and the elastic force of the elastic element always enables the two sliding sheets to slide outwards.
7. The novel rotary compressor of claim 5, wherein: and sliding sheets of the first cylinder and the second cylinder are respectively and rotatably connected with corresponding rollers.
8. A refrigeration system, characterized by: comprising a novel rotary compressor as claimed in claims 1-9.
9. A heat pump system, characterized by: comprising a novel rotary compressor as claimed in claims 1-9.
10. An air conditioning apparatus characterized by: comprising a novel rotary compressor as claimed in claims 1-9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911368585.1A CN111173748A (en) | 2019-12-26 | 2019-12-26 | Novel rotary compressor, refrigerating system, heat pump system and air conditioning equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911368585.1A CN111173748A (en) | 2019-12-26 | 2019-12-26 | Novel rotary compressor, refrigerating system, heat pump system and air conditioning equipment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111173748A true CN111173748A (en) | 2020-05-19 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201911368585.1A Pending CN111173748A (en) | 2019-12-26 | 2019-12-26 | Novel rotary compressor, refrigerating system, heat pump system and air conditioning equipment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN111173748A (en) |
Citations (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB191024716A (en) * | 1911-05-25 | 1911-09-14 | Lamson Pneumatic Tube Co | Improvements in Blowers and Exhausters for Pneumatic Despatch Tubes and other purposes. |
| GB1048494A (en) * | 1964-05-08 | 1966-11-16 | Commissariat Energie Atomique | Rotary exhausters |
| US4431356A (en) * | 1974-11-14 | 1984-02-14 | Lassota Marek J | Hermetic refrigeration rotary motor-compressor |
| US4714414A (en) * | 1986-09-26 | 1987-12-22 | Ingersoll-Rand Company | Plural-stage gas compressor |
| US5259740A (en) * | 1991-09-30 | 1993-11-09 | Samsung Electronics Co., Ltd. | Rotary compressor |
| CN101886631A (en) * | 2010-08-23 | 2010-11-17 | 浙江鸿友压缩机制造有限公司 | Parallel move rotor type capacity-varied device |
| CN104533791A (en) * | 2014-11-07 | 2015-04-22 | 广东美芝制冷设备有限公司 | Compressor |
| CN206299561U (en) * | 2016-12-15 | 2017-07-04 | 赵健 | Symmetrical gear type rotary compressor |
| CN108194358A (en) * | 2018-02-08 | 2018-06-22 | 北京丰联奥睿科技有限公司 | A kind of double eccentric roller compressors |
| CN108386359A (en) * | 2018-03-19 | 2018-08-10 | 王文月 | A kind of low abrasion compressor of air conditioner |
| CN108488070A (en) * | 2018-03-19 | 2018-09-04 | 王文月 | A kind of anti-wear maintenance process of compressor of air conditioner |
| CN208778219U (en) * | 2018-09-20 | 2019-04-23 | 宁波鲍斯能源装备股份有限公司 | A kind of twin-stage water spray screw host |
| CN209557258U (en) * | 2019-01-21 | 2019-10-29 | 中北大学 | Parallel multi-cylinder slide valve pump suction and discharge system |
-
2019
- 2019-12-26 CN CN201911368585.1A patent/CN111173748A/en active Pending
Patent Citations (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB191024716A (en) * | 1911-05-25 | 1911-09-14 | Lamson Pneumatic Tube Co | Improvements in Blowers and Exhausters for Pneumatic Despatch Tubes and other purposes. |
| GB1048494A (en) * | 1964-05-08 | 1966-11-16 | Commissariat Energie Atomique | Rotary exhausters |
| US4431356A (en) * | 1974-11-14 | 1984-02-14 | Lassota Marek J | Hermetic refrigeration rotary motor-compressor |
| US4714414A (en) * | 1986-09-26 | 1987-12-22 | Ingersoll-Rand Company | Plural-stage gas compressor |
| US5259740A (en) * | 1991-09-30 | 1993-11-09 | Samsung Electronics Co., Ltd. | Rotary compressor |
| CN101886631A (en) * | 2010-08-23 | 2010-11-17 | 浙江鸿友压缩机制造有限公司 | Parallel move rotor type capacity-varied device |
| CN104533791A (en) * | 2014-11-07 | 2015-04-22 | 广东美芝制冷设备有限公司 | Compressor |
| CN206299561U (en) * | 2016-12-15 | 2017-07-04 | 赵健 | Symmetrical gear type rotary compressor |
| CN108194358A (en) * | 2018-02-08 | 2018-06-22 | 北京丰联奥睿科技有限公司 | A kind of double eccentric roller compressors |
| CN108386359A (en) * | 2018-03-19 | 2018-08-10 | 王文月 | A kind of low abrasion compressor of air conditioner |
| CN108488070A (en) * | 2018-03-19 | 2018-09-04 | 王文月 | A kind of anti-wear maintenance process of compressor of air conditioner |
| CN208778219U (en) * | 2018-09-20 | 2019-04-23 | 宁波鲍斯能源装备股份有限公司 | A kind of twin-stage water spray screw host |
| CN209557258U (en) * | 2019-01-21 | 2019-10-29 | 中北大学 | Parallel multi-cylinder slide valve pump suction and discharge system |
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Application publication date: 20200519 |