CN101408176A - Rotary compressor with air injection device - Google Patents
Rotary compressor with air injection device Download PDFInfo
- Publication number
- CN101408176A CN101408176A CNA2008101751784A CN200810175178A CN101408176A CN 101408176 A CN101408176 A CN 101408176A CN A2008101751784 A CNA2008101751784 A CN A2008101751784A CN 200810175178 A CN200810175178 A CN 200810175178A CN 101408176 A CN101408176 A CN 101408176A
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- Prior art keywords
- piston
- jet system
- air jet
- cylinder
- rotary compressor
- Prior art date
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- Pending
Links
- 238000002347 injection Methods 0.000 title claims abstract description 14
- 239000007924 injection Substances 0.000 title claims abstract description 14
- 238000007789 sealing Methods 0.000 claims abstract description 38
- 230000007246 mechanism Effects 0.000 claims abstract description 17
- 239000007921 spray Substances 0.000 claims description 2
- 230000002093 peripheral effect Effects 0.000 claims 2
- 230000000694 effects Effects 0.000 abstract description 4
- 230000010354 integration Effects 0.000 abstract description 2
- 239000007789 gas Substances 0.000 description 10
- 238000000034 method Methods 0.000 description 5
- 230000006835 compression Effects 0.000 description 3
- 238000007906 compression Methods 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 238000005057 refrigeration Methods 0.000 description 3
- 239000012530 fluid Substances 0.000 description 2
- 238000010438 heat treatment Methods 0.000 description 2
- 230000013011 mating Effects 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 1
- 238000004378 air conditioning Methods 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 230000001276 controlling effect Effects 0.000 description 1
- 230000002650 habitual effect Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 239000002918 waste heat Substances 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
Images
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
- F04C18/3564—Rotary-piston pumps specially adapted for elastic fluids having the characteristics covered by two or more of groups F04C18/02, F04C18/08, F04C18/22, F04C18/24, F04C18/48, or having the characteristics covered by one of these groups together with some other type of movement between co-operating members having the movement defined in group F04C18/08 or F04C18/22 and relative reciprocation between the co-operating members with vanes reciprocating with respect to the outer member the inner and outer member being in contact along one line or continuous surfaces substantially parallel to the axis of rotation the surfaces of the inner and outer member, forming the working space, being surfaces of revolution
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04C—ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT PUMPS
- F04C29/00—Component parts, details or accessories of pumps or pumping installations, not provided for in groups F04C18/00 - F04C28/00
- F04C29/12—Arrangements for admission or discharge of the working fluid, e.g. constructional features of the inlet or outlet
- F04C29/124—Arrangements for admission or discharge of the working fluid, e.g. constructional features of the inlet or outlet with inlet and outlet valves specially adapted for rotary or oscillating piston pumps
-
- 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
- F04C23/008—Hermetic pumps
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Applications Or Details Of Rotary Compressors (AREA)
- Compressor (AREA)
Abstract
A rotary compressor with an air injection device is used for solving the problem of enhanced vapor injection of the compressor. The cylinder body component forming the sealed cylinder cavity is provided with a through gas injection hole connected with the cylinder cavity, and the gas injection hole is provided with a piston type gas injection device which is provided with a gas injection channel and a control mechanism controlled to open or close the gas injection channel in a piston mode. The invention adopts the mode that the piston controls the on or off of the injection gas passage, and further provides a special mechanism for controlling the motion of the piston, and realizes the switching between enthalpy increase and non-enthalpy increase by arranging a corresponding pipeline and a control valve and using proper air pressure as the driving force of the motion of the piston. The invention has compact structure, high integration level, good sealing effect and more flexible and reliable control mode.
Description
Technical field
The present invention relates to the compressor that uses in the systems such as air-conditioning, refrigerator and freezer, relate in particular to rotary compressor.
Background technique
Common rotary compressor is made up of major parts such as shell, motor, bent axle, cylinder, roller, slide plate, upper flange, lower flanges.Shown in Figure 1 is roller 17, the schematic representation that slide plate 16 cooperates with cylinder 12 grades, offer intakeport 121 and relief opening 122 on the cylinder 12, on the assembling rear cylinder 12, following two ends are by last, lower flange sealing (not shown), constituted the sealing cylinder chamber of compressor, roller 17 is arranged in the cylinder chamber, and be contained on the eccentric crankshaft 15 by driven by motor, roller 17 rolls along cylinder 12 inwalls, form a meniscate active chamber with cylinder 12, slide plate 16 makes its end closely contact with roller 17 by the active force of spring, the crescent shape active chamber is divided into two-part, its volume size is along with the corner of roller changes, the pressure of gas then changes along with the size of volume in the volume, thereby finishes the working procedure of compressor.
In order to reach higher heating capacity, the air supply that increases in the cylinder chamber is very important.This just needs an energy reclaiming system waste heat and supplies with the air jet system that compression chamber carries out loop compression.
The applicant discloses a kind of rotary compressor with air injection enthalpy-increasing function for No. 200720050796.7 at Chinese patent, offer one or more fumaroles on upper bearing (metal) in rotary compressor (upper flange) or the lower bearing (lower flange), these one or more fumaroles cooperate with a pipeline, make that cylinder of compressor can be by described fumarole and pipeline and compressor external communications, the fumarole place is provided with an one-way valve, make external fluid to enter cylinder chamber, and the fluid of cylinder chamber can not be discharged through described fumarole and pipeline through described pipeline and fumarole.Above-mentioned patented technology has been improved the structure of traditional rotary compressor, makes the refrigeration agent of gaseous form to be ejected into the compresser cylinder chamber by a pipeline, has improved the inhalation temperature of rotary compressor, has improved compression efficiency, and has had energy-saving advantages.What but the fumarole place was provided with in the above-mentioned patented technology is one-way valve, and disclosed one-way valve is the form that steel ball cooperates circular hole, and its one-way valve does not have special-purpose control mechanism, can only be controlled voluntarily by gas jet, its structure and control mode are simple, and reliability is still waiting to strengthen.
Summary of the invention
The purpose of this invention is to provide a kind of rotary compressor, adopt reliable in structure, control mode vapour injecton arrangement flexibly, effectively to reach the purpose that compressor increases enthalpy with air jet system.
Above-mentioned purpose is achieved through the following technical solutions:
A kind of rotary compressor with air jet system, it is characterized in that, constitute and offer the perforation fumarole that connects the cylinder chamber on the housing assembly that seals the cylinder chamber, the fumarole place is provided with the piston type air jet system, and this piston type air jet system has gas jet passage, controlled control mechanism of opening or closing described gas jet passage in the piston mode.
The vapour injecton arrangement that compressor provided by the invention adopted adopts the form of piston control gas jet path on-off, and and then the special mechanism of control piston motion is provided, by corresponding pipeline and control valve are set, utilize the driving force of suitable air pressure, be implemented in and increase enthalpy or do not increase switching between the enthalpy as piston motion.Compact structure of the present invention, the level of integration height has good sealing effect simultaneously, and control mode is more flexibly, reliably.
Description of drawings
Fig. 1 is the schematic representation that roller in the common rotary compressor, slide plate cooperate with cylinder etc.;
The sectional view of the piston type air jet system that Fig. 2 provides for embodiment one, wherein piston is in primary importance;
The sectional view of the piston type air jet system that Fig. 3 provides for embodiment one, wherein piston is in the second place;
The sectional view of the piston type air jet system that Fig. 4 provides for embodiment two;
Fig. 5 is the sectional view of lower flange and piston type air jet system mating part in the rotary compressor provided by the invention;
Fig. 6 is the partial cross section figure of the another kind of fit system of lower flange and piston type air jet system in the rotary compressor provided by the invention;
Fig. 7 is the sectional view of cylinder and piston formula air jet system mating part in the rotary compressor provided by the invention;
Fig. 8 is the sectional view of housing assembly and piston type air jet system integral type Placement in the rotary compressor provided by the invention;
Fig. 9 is that rotary compressor provided by the invention is applied in the schematic representation in the refrigeration system.
Embodiment
Rotary compressor provided by the invention comprises: shell, motor, bent axle, cylinder, upper flange, lower flange, roller, slide plate etc., it is prior art that above-mentioned each parts and installation thereof are closed, and repeats no more herein.Below in conjunction with accompanying drawing, the specific embodiment of the piston type air jet system that is adopted in the compressor provided by the invention is described respectively.
Embodiment one
As shown in Figure 2, the piston type air jet system that embodiment one provides comprises sealing cylinder 21 and piston 22, sealing cylinder 21 is cylindric, one end is to be used for the opening portion 211 that cooperates with compressor lower flange 14, this opening portion 211 embeds in the mounting groove that centers on its fumarole 141 settings on the lower flange 14 during assembling, and seal ring 231 is set in opening portion 211 peripheries, realization is tightly connected with lower flange 14, the fumarole of offering on the opening of opening portion 211 and the lower flange 14 141 is communicated with cooperation, and different heights also offers control air pressure mouth 213 and jetburner 214 on the sealing cylinder 21.Described piston 22 is roughly cylindrical, be arranged in the sealing cylinder 21, piston 22 outer rims are provided with first sealing mechanism, this first sealing mechanism is for being provided with around piston 22 peripheries, and seal ring 232 and seal ring 233 between described control air pressure mouth 213 and jetburner 214, by piston 22 and seal ring 232,233 isolate a control atmospheric pressure cavity 230 and a spray chamber 240 that is communicated with jetburner 214 that is communicated with control air pressure mouth 213 in sealing cylinder 21, piston 22 ends also are provided with one second sealing mechanism, this second sealing mechanism is to be arranged on the sealing gasket 24 of piston towards lower flange 14 fumaroles 141 1 ends, piston 22 sealing in the cylinder 21 primary importance (as Fig. 2) and the second place (as Fig. 3) between slip, the fumarole of offering on the sealing gasket 24 shutoff lower flanges 14 when primary importance 141, the fumarole of offering on the lower flange 14 when the second place 141 is communicated with described jetburner 214.
Embodiment two
As shown in Figure 4, piston type air jet system that embodiment two provides and embodiment one difference are: (1) increases by a spring 28, is arranged in the control atmospheric pressure cavity 230, and an end cooperates with piston 22, the other end cooperates with sealing cylinder 21 inwalls, is used for the stressed of regulating piston 22; (2) described first sealing mechanism is for being provided with and two bulge loops 291,292 between described control air pressure mouth 213 and jetburner around piston 22 peripheries.
Below in conjunction with Fig. 5 and Fig. 9 the application example of this rotary compressor in refrigeration system is described, by the first control pneumatic tube 251 is provided, the second control pneumatic tube 252, injection pipe 26, first valve 31 and second valve 32, wherein the control air pressure mouth 213 of piston type air jet system is connected with the compressor air suction mouth by the first control pneumatic tube 251, on the first control pneumatic tube 251 first valve 31 is set, control air pressure mouth 213 also is connected with exhaust outlet of compressor by the second control pneumatic tube 252, on the second control pneumatic tube 252 second valve 32 is set, jetburner 214 is connected with the gas jet source by injection pipe 26, and injection pipe is provided with the 3rd valve 33.
The following describes working principle of the present invention: piston 22 suffered active forces comprise the pilot pressure Pd of control air pressure mouth 213 in the piston type air jet system, the external gas pressure Ps of jetburner and the compressed-air actuated pressure P t of cylinder chamber, when increasing enthalpy (heating process), first valve 31 is opened and second valve 32 is closed (see figure 9), the control air pressure mouth 213 of piston type air jet system connects the intakeport of compressors at this moment, jetburner 214 connects the outer jet gas source, Pd＜Ps+Pt, piston 22 upwards pushes away (as Fig. 2) through the pressure reduction between control air pressure mouth 213 and the jetburner 214, make extraneous gas enter the compresser cylinder chamber, realize increasing the purpose of enthalpy by the fumarole of offering on the lower flange 14 141.When not increasing enthalpy (process of refrigerastion), second valve 32 is opened and first valve 31 is closed, control air pressure mouth 213 connects Compressor Discharge Pressure, Pd＞Ps+Pt, piston 22 is through the pressure of control air pressure mouth 213 upwards reset (as Fig. 3), sealing gasket 24 shutoff fumaroles 141, thus stop extraneous gas to enter the compresser cylinder chamber by fumarole 141, realize good sealing effect.Certainly piston can also be by other air pressure or hydraulic power control, promptly is connected and realizes by controlling atmospheric pressure cavity and other air pressure or hydraulic power.
In the foregoing description, fumarole 141 is opened on the lower flange 14, and described piston type air jet system is installed the lower end or the side of lower flange 14.But, to those skilled in the art, fumarole can be opened on any object of the housing assembly that constitutes sealing cylinder chamber fully, generally, the housing assembly that constitutes the cylinder chamber comprises upper flange, lower flange and cylinder, upper flange, lower flange are arranged on the cylinder two ends and enclose sealing cylinder chamber, so fumarole can also be opened on upper flange 13 or the cylinder 12 (as Fig. 7).In addition, the form of fumarole can be various, can be straight hole (as Fig. 5 and Fig. 7), also can be the hole of hole, right angle (as Fig. 6) or other form.
In the foregoing description, Placement between piston type air jet system and the housing assembly adopts is the split mode that is connected, it is the fit that can split that this Placement adopts between piston type air jet system and housing assembly, adopt the other technologies means as being threaded or plugging mode such as connection, the foregoing description just plugs a kind of embodiment in the connection, do not represent restriction the present invention all plug Placement, those skilled in the art can also adopt habitual technological means such as clamping etc., also belong to the scope of protection of the invention; The piston type air jet system comprises also that with Placement between the housing assembly integral type is connected, the content of integral type Placement is: the main body accessory and the housing assembly of piston type air jet system are one, can adopt concrete routine techniques means that parts design one or mode such as integrally welded are arranged, as shown in Figure 8: the cylinder 12 of housing assembly designs (welding or Element Design one) with sealing cylinder 21 one of the main body accessory of piston type air jet system, in order to reach identical technique effect, those skilled in the art are easy to will seal the straight-tube shape that cylinder 21 is designed to bottom end opening in design, add a cover a bottom 215 at bottom end opening again after installing other accessories, realize the purpose of sealing, can also adopt other similar technological means.Other component Placement and additional embodiments are similar, too much do not give unnecessary details here.
The above embodiment, it is preferred embodiments of the present invention, be not to limit the scope of the present invention,, all should be included in the patent claim of the present invention so all equivalences of doing according to the described structure of the present patent application claim, feature and principle change or modify.
Claims (10)
1. rotary compressor with air jet system, it is characterized in that, constitute and offer the perforation fumarole that connects the cylinder chamber on the housing assembly that seals the cylinder chamber, the fumarole place is provided with the piston type air jet system, and this piston type air jet system has gas jet passage, controlled control mechanism of opening or closing described gas jet passage in the piston mode.
2. the rotary compressor with air jet system according to claim 1 is characterized in that, described piston type air jet system adopts integral type to be connected with housing assembly or split is connected.
3. the rotary compressor with air jet system according to claim 1, it is characterized in that, described housing assembly includes upper flange, lower flange and cylinder, upper flange, lower flange are arranged on the cylinder two ends and enclose sealing cylinder chamber, at least one fumarole be opened in upper flange and or lower flange and or cylinder on.
4. the rotary compressor with air jet system according to claim 1 is characterized in that, described piston type air jet system specifically comprises:
One sealing cylinder has opening portion that cooperates with described fumarole and control air pressure mouth and the jetburner that different heights is also offered on cylinder body, and described gas jet passage is formed between jetburner and the fumarole;
One piston is arranged in the sealing cylinder;
One places first sealing mechanism of described piston outer rim, and itself and described piston isolate control atmospheric pressure cavity and spray chamber in the sealing cylinder;
One places described pistons end and is used for second sealing mechanism of the described fumarole of shutoff;
Described piston sealing in the cylinder primary importance and the second place between slide, when primary importance, the described fumarole of the described second sealing mechanism shutoff, when the second place, described fumarole is communicated with described jetburner.
5. the rotary compressor with air jet system according to claim 4 is characterized in that, described first sealing mechanism is for being provided with and the seal ring between described control air pressure mouth and jetburner around piston is peripheral.
6. the rotary compressor with air jet system according to claim 4 is characterized in that, described first sealing mechanism is for being provided with and the bulge loop between described control air pressure mouth and jetburner around piston is peripheral.
7. the rotary compressor with air jet system according to claim 4 is characterized in that, also comprises spring, is arranged in the described control atmospheric pressure cavity, and this spring one end cooperates with piston, and the other end cooperates with the sealing inside wall of cylinder.
8. the rotary compressor with air jet system according to claim 4 is characterized in that, described second sealing mechanism is the sealing gasket that is provided with towards described fumarole one end at piston.
9. the rotary compressor with air jet system according to claim 2 is characterized in that, described split is connected, and including is threaded is connected with plugging.
10. the rotary compressor with air jet system according to claim 9, it is characterized in that, described plugging is connected to: be provided with mounting groove around fumarole on the housing assembly, the opening portion of vapour injection seal arrangement sealing cylinder embeds in this mounting groove, and in described opening portion periphery seal ring is set.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA2008101751784A CN101408176A (en) | 2008-09-10 | 2008-10-27 | Rotary compressor with air injection device |
| PCT/CN2008/073134 WO2010028526A1 (en) | 2008-09-10 | 2008-11-21 | A rotary compressor with an air injection device |
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200810198460 | 2008-09-10 | ||
| CN200810198460.4 | 2008-09-10 | ||
| CNA2008101751784A CN101408176A (en) | 2008-09-10 | 2008-10-27 | Rotary compressor with air injection device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN101408176A true CN101408176A (en) | 2009-04-15 |
Family
ID=40571338
Family Applications (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2008202100907U Expired - Lifetime CN201351607Y (en) | 2008-09-10 | 2008-10-27 | Rotary compressor with air injection device |
| CNA2008101751784A Pending CN101408176A (en) | 2008-09-10 | 2008-10-27 | Rotary compressor with air injection device |
Family Applications Before (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2008202100907U Expired - Lifetime CN201351607Y (en) | 2008-09-10 | 2008-10-27 | Rotary compressor with air injection device |
Country Status (2)
| Country | Link |
|---|---|
| CN (2) | CN201351607Y (en) |
| WO (1) | WO2010028526A1 (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103256222A (en) * | 2013-04-27 | 2013-08-21 | 陈璇 | Entropy-increasing rotary compressor with moveable injection orifice |
| CN107061277A (en) * | 2017-03-24 | 2017-08-18 | 广东美芝制冷设备有限公司 | Capacity-varying rotary type compressor and the refrigeration plant with it |
| CN107143476A (en) * | 2012-12-18 | 2017-09-08 | 艾默生环境优化技术有限公司 | Compressor assembly |
| CN108757396B (en) * | 2018-06-11 | 2019-07-05 | 中国科学院理化技术研究所 | Reciprocating compressor air supplement mechanism |
| CN112513466A (en) * | 2018-08-07 | 2021-03-16 | 三菱电机株式会社 | Rotary compressor and refrigeration cycle device |
| CN112901498A (en) * | 2021-02-01 | 2021-06-04 | 珠海格力节能环保制冷技术研究中心有限公司 | Pump body subassembly and compressor |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102251964B (en) * | 2010-05-17 | 2013-03-13 | 广东美芝制冷设备有限公司 | Rotary compressor |
| CN102364107B (en) * | 2011-09-30 | 2015-09-09 | 珠海格力电器股份有限公司 | Rotary compressor with enhanced vapor injection function |
| US9322405B2 (en) | 2013-10-29 | 2016-04-26 | Emerson Climate Technologies, Inc. | Rotary compressor with vapor injection system |
| CN111648959A (en) * | 2015-03-30 | 2020-09-11 | 海客尔技术公司 | Compressor with a compressor housing having a plurality of compressor blades |
| CN105041653B (en) * | 2015-08-06 | 2017-08-29 | 广东美芝制冷设备有限公司 | Rotary jet enthalpy-increasing compressor |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS60171989U (en) * | 1984-04-25 | 1985-11-14 | 株式会社ボッシュオートモーティブ システム | Vane type compressor for car cooler |
| US6336797B1 (en) * | 2000-06-01 | 2002-01-08 | Westinghouse Air Brake Technologies Corp. | Oiless rotary scroll air compressor air inlet valve |
| CN201013559Y (en) * | 2007-03-19 | 2008-01-30 | 上海斯可络压缩机有限公司 | Air-intake lifting valve |
| CN201025261Y (en) * | 2007-04-26 | 2008-02-20 | 珠海格力电器股份有限公司 | Rotary compressor with enhanced vapor injection function |
-
2008
- 2008-10-27 CN CNU2008202100907U patent/CN201351607Y/en not_active Expired - Lifetime
- 2008-10-27 CN CNA2008101751784A patent/CN101408176A/en active Pending
- 2008-11-21 WO PCT/CN2008/073134 patent/WO2010028526A1/en active Application Filing
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107143476A (en) * | 2012-12-18 | 2017-09-08 | 艾默生环境优化技术有限公司 | Compressor assembly |
| US10280918B2 (en) | 2012-12-18 | 2019-05-07 | Emerson Climate Technologies, Inc. | Reciprocating compressor with vapor injection system |
| US10352308B2 (en) | 2012-12-18 | 2019-07-16 | Emerson Climate Technologies, Inc. | Reciprocating compressor with vapor injection system |
| CN103256222A (en) * | 2013-04-27 | 2013-08-21 | 陈璇 | Entropy-increasing rotary compressor with moveable injection orifice |
| CN107061277A (en) * | 2017-03-24 | 2017-08-18 | 广东美芝制冷设备有限公司 | Capacity-varying rotary type compressor and the refrigeration plant with it |
| CN107061277B (en) * | 2017-03-24 | 2019-10-08 | 广东美芝制冷设备有限公司 | Capacity-varying rotary type compressor and refrigeration equipment with it |
| CN108757396B (en) * | 2018-06-11 | 2019-07-05 | 中国科学院理化技术研究所 | Reciprocating compressor air supplement mechanism |
| CN112513466A (en) * | 2018-08-07 | 2021-03-16 | 三菱电机株式会社 | Rotary compressor and refrigeration cycle device |
| CN112901498A (en) * | 2021-02-01 | 2021-06-04 | 珠海格力节能环保制冷技术研究中心有限公司 | Pump body subassembly and compressor |
Also Published As
| Publication number | Publication date |
|---|---|
| CN201351607Y (en) | 2009-11-25 |
| WO2010028526A1 (en) | 2010-03-18 |
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Open date: 20090415 |