WO2012080609A2 - Compresseur frigorifique à spirales - Google Patents
Compresseur frigorifique à spirales Download PDFInfo
- Publication number
- WO2012080609A2 WO2012080609A2 PCT/FR2011/052777 FR2011052777W WO2012080609A2 WO 2012080609 A2 WO2012080609 A2 WO 2012080609A2 FR 2011052777 W FR2011052777 W FR 2011052777W WO 2012080609 A2 WO2012080609 A2 WO 2012080609A2
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- plate
- compressor
- volume
- volute
- intermediate volume
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Ceased
Links
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
- F04C18/02—Rotary-piston pumps specially adapted for elastic fluids of arcuate-engagement type, i.e. with circular translatory movement of co-operating members, each member having the same number of teeth or tooth-equivalents
- F04C18/0207—Rotary-piston pumps specially adapted for elastic fluids of arcuate-engagement type, i.e. with circular translatory movement of co-operating members, each member having the same number of teeth or tooth-equivalents both members having co-operating elements in spiral form
- F04C18/0215—Rotary-piston pumps specially adapted for elastic fluids of arcuate-engagement type, i.e. with circular translatory movement of co-operating members, each member having the same number of teeth or tooth-equivalents both members having co-operating elements in spiral form where only one member is moving
-
- 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
- F04C18/02—Rotary-piston pumps specially adapted for elastic fluids of arcuate-engagement type, i.e. with circular translatory movement of co-operating members, each member having the same number of teeth or tooth-equivalents
- F04C18/0207—Rotary-piston pumps specially adapted for elastic fluids of arcuate-engagement type, i.e. with circular translatory movement of co-operating members, each member having the same number of teeth or tooth-equivalents both members having co-operating elements in spiral form
- F04C18/0246—Details concerning the involute wraps or their base, e.g. geometry
- F04C18/0253—Details concerning the base
-
- 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
- F04C18/02—Rotary-piston pumps specially adapted for elastic fluids of arcuate-engagement type, i.e. with circular translatory movement of co-operating members, each member having the same number of teeth or tooth-equivalents
- F04C18/0207—Rotary-piston pumps specially adapted for elastic fluids of arcuate-engagement type, i.e. with circular translatory movement of co-operating members, each member having the same number of teeth or tooth-equivalents both members having co-operating elements in spiral form
- F04C18/0246—Details concerning the involute wraps or their base, e.g. geometry
- F04C18/0253—Details concerning the base
- F04C18/0261—Details of the ports, e.g. location, number, geometry
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04C—ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT PUMPS
- F04C28/00—Control of, monitoring of, or safety arrangements for, pumps or pumping installations specially adapted for elastic fluids
- F04C28/24—Control of, monitoring of, or safety arrangements for, pumps or pumping installations specially adapted for elastic fluids characterised by using valves controlling pressure or flow rate, e.g. discharge valves or unloading valves
- F04C28/26—Control of, monitoring of, or safety arrangements for, pumps or pumping installations specially adapted for elastic fluids characterised by using valves controlling pressure or flow rate, e.g. discharge valves or unloading valves using bypass channels
-
- 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
-
- 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
- F04C29/126—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 of the non-return type
- F04C29/128—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 of the non-return type of the elastic type, e.g. reed valves
-
- 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
Definitions
- the present invention relates to a scroll compressor.
- a scroll compressor comprises a sealed enclosure containing a fixed scroll and a moving scroll describing an orbital movement, each scroll having a plate from which a spiral extends, the spirals of the fixed and moving scrolls being engaged.
- the compression chambers having a volume which decreases progressively from the outside, where the intake of refrigerant gas, inwards.
- the refrigerant gas is compressed due to the reduction of the volume of the compression chambers and conveyed to the center of the first and second volutes.
- the compressed refrigerant gas exits centrally toward a discharge chamber through a discharge port in the fixed scroll.
- this compressor may be of variable capacity and / or variable compression ratio.
- variable compression ratio scroll compressor comprising, on the one hand, refrigerant passage orifices formed in the plate of the fixed scroll and opening each respectively into one of the compression chambers and in the discharge chamber, and on the other hand bypass valves arranged on the surface of the fixed volute plate turned on the side opposite the spirals and movable each between an open position allowing a refrigerant discharge of the chamber of corresponding compression towards the discharge chamber, and a closed position preventing refrigerant delivery from the corresponding compression chamber to the discharge chamber.
- the present invention aims to remedy these disadvantages.
- the technical problem underlying the invention is therefore to provide a scroll compressor with a simple structure and economic, and that allows to improve the performance of the compressor, while allowing a simple and easy installation of at least one bypass valve.
- the present invention relates to a scroll compressor comprising:
- each volute comprising a plate from which a spiral extends, the spirals of the fixed and mobile scrolls being engaged one inside the other and delimiting compression chambers of variable volume
- a separating plate mounted in a sealed manner on the fixed scroll plate, the separating plate and the plate of the fixed scroll defining at least a first intermediate volume
- At least one bypass passage arranged to put the first intermediate volume into communication with an intermediate compression chamber
- At least one flow passage arranged to bring the first intermediate volume into communication with the discharge chamber
- each bypass valve associated with a flow passage being mounted on the surface of the separation plate facing the discharge chamber and movable between closed positions and releasing the corresponding flow passage, and being adapted to be moved to its release position when the pressure in the corresponding flow passage exceeds the pressure in the discharge chamber by a predetermined value.
- these arrangements allow the realization of the flow passages and bypass in the separation plate and the fixed volute plate in positions radially and angularly offset with respect to the longitudinal axis of the compressor, while ensuring a connection easy and fast fluidic between said passages during assembly of the separator plate on the fixed scroll plate.
- the positioning of the various bypass valves can be performed by mounting each bypass valve on the separator plate before the insertion of the latter in the compressor chamber, then mounting said separator plate on the plate of the fixed volute, without scrupulously respecting the relative positioning of the various bypass and flow passages.
- the pressure in the first intermediate volume substantially corresponds to the pressure in the intermediate compression chambers, which is lower than the pressure in the chamber of repression.
- the temperature of the refrigerant in the intermediate compression chambers communicating with the first intermediate volume is lower than the temperature of the refrigerant in the discharge chamber.
- intermediate compression chamber is understood to mean a compression chamber having a pressure comprised between the pressure of the first "so-called” displacement chamber and the pressure of the last compression chamber opening into the chamber. discharge pipe.
- the first intermediate volume is annular, and is preferably centered substantially on the longitudinal axis of the compressor.
- the compressor comprises a plurality of bypass passages.
- the compressor comprises a plurality of flow passages and a plurality of bypass valves each associated with a flow passage.
- the compressor comprises at least one bypass valve in the form of an elastically deformable strip between shutter and release positions of the corresponding flow passage.
- each flow passage comprises a flow duct formed in the separation plate and comprising a first end opening into the first intermediate volume, and a second end opening into the discharge chamber.
- each bypass valve is arranged to close the second end of the corresponding flow conduit when it is in its closed position.
- each bypass passage comprises a bypass duct formed in the fixed scroll plate and comprising a first end opening into the corresponding intermediate compression chamber, and a second end opening into the first one. Vol ume Intermediate.
- each flow duct is located substantially opposite the second end of a separate bypass duct.
- the compressor comprises a number of bypass passages greater than the number of flow passages.
- the compressor could include a plurality of bypass passage and a single flow passage.
- the compressor comprises as many bypass passages as flow passage.
- the first end of each flow duct is preferably located substantially opposite the second end of a separate bypass duct.
- the separating plate and the plate of the fixed volute define at least a second intermediate volume
- the fixed volute plate comprises a pressure equalization conduit having a first end opening into the second intermediate volume and a second end opening into a volume at a pressure lower than the pressure in the first intermediate volume.
- the second end of the pressure equalization duct opens into a suction volume delimited at least in part by the moving volute and the face of the fixed volute plate facing the moving volute.
- the second intermediate volume is isolated fluidically from the first intermediate volume.
- the separating plate comprises, on its surface facing the fixed scroll plate, sealing means arranged to cooperate with the fixed scroll plate and partially delimiting the first intermediate volume.
- sealing means comprise two annular seals of different diameters and substantially centered on the longitudinal axis of the compressor.
- Each annular seal is advantageously mounted in an annular groove in the surface of the separating plate facing the fixed volute plate.
- the separating plate comprises, on its surface facing the fixed volute plate, first and second sealing means arranged to cooperate with the fixed volute plate and respectively delimiting part two separate intermediate volumes
- the compressor comprises at least two bypass passages arranged respectively for communicating one of the intermediate volumes with an intermediate compression chamber, and at least two flow passages respectively arranged to put in communication the one of the intermediate volumes with the discharge chamber.
- the surface of the separation plate facing the discharge chamber has at least one inclined surface from the inside to the outside and the discharge chamber to the fixed scroll, and at least one check valve derivation is mounted on said inclined surface.
- the plate of the fixed volute has an outer peripheral wall sealingly attached to the inner wall of the sealed enclosure.
- the compressor comprises:
- a discharge pipe formed in the central part of the fixed volute plate, comprising a first end opening into a central compression chamber and a second end intended to be placed in communication with the discharge chamber;
- the anti-return device mounted on the fixed volute plate at the second end of the discharge pipe, the anti-return device comprising:
- At least one discharge opening arranged to put in communication the discharge pipe and the discharge chamber, a valve seat surrounding the discharge opening, and
- a movable discharge valve between a closed position in which the discharge valve bears against the valve seat and closes the discharge opening, and a release position in which the discharge valve is away from the valve seat. and releasing the discharge opening, the discharge valve being adapted to be moved to its release position when the pressure in the discharge conduit exceeds the pressure in the discharge chamber by a predetermined value.
- the partition plate is mounted on the fixed scroll plate so as to surround the discharge conduit.
- the compressor comprises sealing means arranged between the separating plate and the plate of the fixed scroll.
- Figger 1 is a partial view in the long neck of a spiral compressor compressor according to a first embodiment of the invention.
- Figure 2 is a partial longitudinal sectional view of a scroll compressor according to a second embodiment of the invention.
- Fig. 3 is a partial view in longitudinal section of a scroll compressor according to a third embodiment of the invention.
- Figure 4 is a bottom view of the separating plate equipping the compressor of Figure 3.
- Fig. 5 is a side view in longitudinal section of a scroll compressor according to a fourth embodiment of the invention.
- Figure 6 is a bottom view of the separation plate equipping the compressor of Figure 5.
- the same elements are designated by the same references in the different embodiments.
- Figure 1 depicts a scroll compressor with a vertical position.
- the compressor according to the invention could occupy an inclined position, or a horizontal position, without its structure being significantly modified.
- the compressor shown in Figure 1 comprises a sealed enclosure defined by a ferrule 2, the upper and lower ends are respectively closed by a cover 3 and a base (not shown in Figure 1).
- the assembly of this enclosure can be achieved in particular by means of welding beads.
- the intermediate portion of the compressor is occupied by a body 4 for mounting a compression stage 5 of the refrigerant gas.
- This compression stage 5 comprises a fixed volute 6 having a plate 7 from which extends a fixed spiral 8 facing downwards, and a mobile volute 9 having a plate 1 1 bearing against the body 4 and from which 'extends a spiral 12 turned upwards.
- the two spirals 8 and 12 of the two volutes interpenetrate to provide compression chambers 13 to variable volume.
- the compressor comprises an electric motor (not shown in the figures) comprising a rotor secured to a drive shaft 14 whose upper end is offset in the manner of a crankshaft. This upper part is engaged in a portion 15 in the form of a sleeve, which comprises the movable volute 9. During its driving in rotation by the motor, the drive shaft 14 drives the mobile volute 9 in an orbital motion.
- an electric motor (not shown in the figures) comprising a rotor secured to a drive shaft 14 whose upper end is offset in the manner of a crankshaft. This upper part is engaged in a portion 15 in the form of a sleeve, which comprises the movable volute 9.
- the drive shaft 14 drives the mobile volute 9 in an orbital motion.
- the compressor comprises a separating plate 16 sealingly mounted on the plate 7 of the fixed volute 6.
- the separating plate 16 is mounted on the plate 7 of the fixed volute 6 so as to allow relative movement between the separating plate and the fixed scroll 6 along the longitudinal axis A of the compressor.
- the compressor comprises a first annular seal 17 mounted on the fixed scroll plate and arranged to cooperate with the outer edge of the separating plate, and a second annular seal 18 mounted on the fixed scroll plate and arranged to cooperate with the inner edge of the separator plate.
- the partition plate 16 and the plate 7 of the fixed volute 6 define an annular intermediate volume 19.
- the compressor further comprises a discharge pipe 21 formed in the central part of the fixed volute 6.
- the discharge pipe 21 comprises a first end opening into the central compression chamber 13a and a second end intended to be placed in communication with a central outlet.
- the partition plate 16 is mounted on the plate 7 of the fixed volute of FIG. to surround the discharge pipe 21.
- the compressor comprises a non-return device 25.
- the non-return device 25 comprises a disc-shaped valve plate 26 mounted on the plate 7 of the fixed volute 6 at the second end of the discharge conduit 21.
- the valve plate 26 comprises a plurality of discharge openings 27 arranged to put in communication the discharge pipe 21 and the discharge chamber 22.
- the non-return device 25 also comprises a discharge valve 28 movable between a closed position in which the discharge valve 28 closes the discharge openings 27, and a release position in which the discharge valve 28 releases the discharge openings 27
- the discharge valve 28 is adapted to be moved to its release position when the pressure in the discharge line 21 exceeds the pressure in the return chamber 22 by a predetermined value substantially corresponding to the pressure of the pressure port. Adjusting the discharge valve 28.
- the discharge valve 28 has for example substantially a disc shape.
- the compressor also includes a retaining plate 29 mounted on the valve plate 26 and intended to serve as a stop for the discharge valve 28 when in its release position.
- the retaining plate 29 comprises at least one through hole 31 arranged to allow refrigerant flow from the discharge openings 27 to the discharge chamber 22.
- the retaining plate 29 is arranged to limit the stroke of the separator plate 16 relative to the plate 7 of the fixed scroll. Indeed, the lower face of the retaining plate forms a stop arranged to cooperate with the upper face of the separating plate.
- the compressor further comprises two bypass passages angularly offset relative to the longitudinal axis A of the compressor and each arranged to place the intermediate volume 1 9 in communication with an intermediate compression chamber 13b.
- Each bypass passage is formed by a bypass duct 32 formed in the fixed scroll plate and comprising a first end opening into the corresponding intermediate compression chamber 13b and a second end opening into the intermediate volume 19.
- bypass passages open into the intermediate volume at the same distance from the longitudinal axis of the compressor.
- the compressor further comprises two flow passages angularly offset relative to the longitudinal axis A of the compressor and each arranged to communicate the intermediate volume 19 with the discharge chamber 22.
- Each flow passage is formed by a conduit flow 33 formed in the separation plate and comprising a first end opening into the intermediate volume 19 and a second end opening into the discharge chamber 22.
- first ends of the flow passages open into the intermediate volume at the same distance from the longitudinal axis of the compressor.
- first end of each flow passage opens into the intermediate volume substantially opposite the second end of a bypass passage.
- the compressor further comprises two bypass valves 34.
- Each bypass valve 34 is movable between a closed position of one of the flow passages, and a release position of said flow passage.
- Each bypass valve 34 is designed to be displaced when it is depressed when the pressure of the corresponding flow passage exceeds the pressure in the discharge chamber 22 by a predetermined value substantially corresponding to the pressure. adjusting pressure of said bypass valve 34.
- Each bypass valve 34 is mounted on the surface of the separation plate facing the discharge chamber, and is arranged to close the second end of the corresponding flow conduit when in its closed position.
- each bypass valve 34 is advantageously realisé in the form of an elastically deformable strip between a closed position of the corresponding flow conduit and a release position of said flow conduit.
- the compressor also comprises a retaining plate 35 associated with each bypass valve 34 and intended to serve as a stop for the corresponding bypass valve 34 when in its position of iberation.
- each retaining plate 35 is fixed by screwing on the separating plate.
- the movable scroll 9 is driven by the drive shaft 14 in an orbital motion, this movement of the moving scroll causing an admission and a compression of refrigerant in the compression chambers with variable volume 13.
- each bypass valve 34 is subjected, on its side facing the separating plate, to a pressure lower than the pressure in the discharge chamber 22.
- the bypass valves 34 are maintained in their position. shutter position and therefore isolate the intermediate volume 19 of the discharge chamber. Since the intermediate volume 19 is in fluid communication with the intermediate compression chambers 13b, the intermediate volume 19 and the intermediate compression chambers 13b are at substantially the same pressure.
- the totality of the compressed refrigerant fl uid in the compression chambers 13 reaches the center of the spirals and escapes through the discharge duct 21 towards the discharge chamber 22 by displacing the discharge valve 28 in its release position, and finally flowing axially through the discharge openings 27 and the passage opening 31.
- each by-pass valve 34 may be subjected, on its side turned towards the separating plate 1 6 , at a pressure greater than the pressure in the discharge chamber 22.
- the bypass valves 34 deform elastically towards their release position and put into communication the intermediate compression chambers 1 3b in which the bypass ducts 32 open with the discharge chamber 22 via the intermediate volume 19.
- FIG. 2 shows a compressor according to a second embodiment of the invention which differs from that shown in FIG. 1 only in that the outer edge of the separating plate 16 cooperates sealingly with the inside wall of the lid 3.
- FIG. 3 shows a compressor according to a third embodiment of the invention which differs from that shown in FIG. 1 essentially in that the partition plate 16 comprises, on its surface facing the fixed volute plate, means sealing devices arranged to cooperate with the fixed volute plate and partially delimiting the intermediate volume, in that the separating plate 16 and the plate 7 of the fixed volute 6 delimit a second intermediate volume 36 fluidically isolated from the first intermediate volume 1 9, and in that the plate 7 of the fixed volute 6 comprises a pressure equalization duct 37 having a first end opening into the second intermediate volume 36, and a second end opening into a suction volume 38 delimited by the body 4, the movable volute 9 and the face of the plate 7 of the fixed scroll 6 facing the moving volute.
- the sealing means comprise two annular seals 39, 40 concentric and centered on the longitudinal axis of the compressor.
- Each annular seal 39, 40 is mounted in an annular groove 41, 42 of complementary shape formed in the surface of the separator plate facing the fixed scroll plate.
- FIG. 5 shows a compressor according to a fourth embodiment of the invention which differs from that shown in FIG. 3 essentially in that it comprises two annular seals 43, 44 offset with respect to the and each mounted in an annular groove 45, 46 of complementary shape formed in the surface of the separator plate facing the fixed scroll plate so as to surround the first end of a separate flow conduit 33.
- each bypass duct 32 opens into an intermediate volume 19, 19 'distinct of reduced volume, which makes it possible to increase the dimensions of the second intermediate volume 36, and thus to reduce the mechanical forces exerted on the volute fixed.
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- Rotary Pumps (AREA)
- Applications Or Details Of Rotary Compressors (AREA)
- Structures Of Non-Positive Displacement Pumps (AREA)
Abstract
Description
Claims
Priority Applications (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE112011104428T DE112011104428T5 (de) | 2010-12-16 | 2011-11-28 | Scroll-Kälteverdichter |
| US13/994,875 US9097253B2 (en) | 2010-12-16 | 2011-11-28 | Scroll refrigeration compressor with confluent bypass passage and flow passage |
| CN201180058503.9A CN103415703B (zh) | 2010-12-16 | 2011-11-28 | 涡旋式制冷压缩机 |
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR1060591 | 2010-12-16 | ||
| FR1060591A FR2969227B1 (fr) | 2010-12-16 | 2010-12-16 | Compresseur frigorifique a spirales |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| WO2012080609A2 true WO2012080609A2 (fr) | 2012-06-21 |
| WO2012080609A3 WO2012080609A3 (fr) | 2013-08-08 |
Family
ID=44226049
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| PCT/FR2011/052777 Ceased WO2012080609A2 (fr) | 2010-12-16 | 2011-11-28 | Compresseur frigorifique à spirales |
Country Status (5)
| Country | Link |
|---|---|
| US (1) | US9097253B2 (fr) |
| CN (1) | CN103415703B (fr) |
| DE (1) | DE112011104428T5 (fr) |
| FR (1) | FR2969227B1 (fr) |
| WO (1) | WO2012080609A2 (fr) |
Families Citing this family (25)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7988433B2 (en) | 2009-04-07 | 2011-08-02 | Emerson Climate Technologies, Inc. | Compressor having capacity modulation assembly |
| US9249802B2 (en) | 2012-11-15 | 2016-02-02 | Emerson Climate Technologies, Inc. | Compressor |
| US9651043B2 (en) | 2012-11-15 | 2017-05-16 | Emerson Climate Technologies, Inc. | Compressor valve system and assembly |
| US9127677B2 (en) | 2012-11-30 | 2015-09-08 | Emerson Climate Technologies, Inc. | Compressor with capacity modulation and variable volume ratio |
| US9435340B2 (en) | 2012-11-30 | 2016-09-06 | Emerson Climate Technologies, Inc. | Scroll compressor with variable volume ratio port in orbiting scroll |
| US9989057B2 (en) * | 2014-06-03 | 2018-06-05 | Emerson Climate Technologies, Inc. | Variable volume ratio scroll compressor |
| JP6036797B2 (ja) * | 2014-12-12 | 2016-11-30 | ダイキン工業株式会社 | スクロール圧縮機 |
| US9790940B2 (en) | 2015-03-19 | 2017-10-17 | Emerson Climate Technologies, Inc. | Variable volume ratio compressor |
| US10378540B2 (en) | 2015-07-01 | 2019-08-13 | Emerson Climate Technologies, Inc. | Compressor with thermally-responsive modulation system |
| CN207377799U (zh) | 2015-10-29 | 2018-05-18 | 艾默生环境优化技术有限公司 | 压缩机 |
| US10890186B2 (en) | 2016-09-08 | 2021-01-12 | Emerson Climate Technologies, Inc. | Compressor |
| US10801495B2 (en) | 2016-09-08 | 2020-10-13 | Emerson Climate Technologies, Inc. | Oil flow through the bearings of a scroll compressor |
| EP3543534B1 (fr) * | 2016-11-17 | 2021-05-05 | Emerson Climate Technologies (Suzhou) Co., Ltd. | Compresseur à spirale |
| US10753352B2 (en) | 2017-02-07 | 2020-08-25 | Emerson Climate Technologies, Inc. | Compressor discharge valve assembly |
| JP6500935B2 (ja) * | 2017-05-12 | 2019-04-17 | ダイキン工業株式会社 | スクロール圧縮機 |
| US11022119B2 (en) | 2017-10-03 | 2021-06-01 | Emerson Climate Technologies, Inc. | Variable volume ratio compressor |
| US10962008B2 (en) | 2017-12-15 | 2021-03-30 | Emerson Climate Technologies, Inc. | Variable volume ratio compressor |
| US10995753B2 (en) | 2018-05-17 | 2021-05-04 | Emerson Climate Technologies, Inc. | Compressor having capacity modulation assembly |
| US11655813B2 (en) | 2021-07-29 | 2023-05-23 | Emerson Climate Technologies, Inc. | Compressor modulation system with multi-way valve |
| US12259163B2 (en) | 2022-06-01 | 2025-03-25 | Copeland Lp | Climate-control system with thermal storage |
| US11846287B1 (en) | 2022-08-11 | 2023-12-19 | Copeland Lp | Scroll compressor with center hub |
| US11965507B1 (en) | 2022-12-15 | 2024-04-23 | Copeland Lp | Compressor and valve assembly |
| US12416308B2 (en) | 2022-12-28 | 2025-09-16 | Copeland Lp | Compressor with shutdown assembly |
| US12173708B1 (en) | 2023-12-07 | 2024-12-24 | Copeland Lp | Heat pump systems with capacity modulation |
| US12163523B1 (en) | 2023-12-15 | 2024-12-10 | Copeland Lp | Compressor and valve assembly |
Family Cites Families (21)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6073080A (ja) * | 1983-09-30 | 1985-04-25 | Toshiba Corp | スクロ−ル型圧縮装置 |
| JPH0633779B2 (ja) | 1986-11-04 | 1994-05-02 | ダイキン工業株式会社 | スクロ−ル形流体機械 |
| JP2567712B2 (ja) | 1989-12-28 | 1996-12-25 | 三洋電機株式会社 | スクロール圧縮機 |
| US5169294A (en) * | 1991-12-06 | 1992-12-08 | Carrier Corporation | Pressure ratio responsive unloader |
| JP3207308B2 (ja) * | 1993-12-16 | 2001-09-10 | 株式会社デンソー | スクロール型圧縮機 |
| JP3376729B2 (ja) | 1994-06-08 | 2003-02-10 | 株式会社日本自動車部品総合研究所 | スクロール型圧縮機 |
| JP3212802B2 (ja) | 1994-07-27 | 2001-09-25 | 三菱電機ビルテクノサービス株式会社 | 遠隔監視装置 |
| JP3590431B2 (ja) | 1995-03-15 | 2004-11-17 | 三菱電機株式会社 | スクロール圧縮機 |
| MY119499A (en) * | 1995-12-05 | 2005-06-30 | Matsushita Electric Industrial Co Ltd | Scroll compressor having bypass valves |
| JPH1077977A (ja) * | 1996-09-03 | 1998-03-24 | Toshiba Corp | スクロール式圧縮機 |
| JPH11324950A (ja) | 1998-05-19 | 1999-11-26 | Mitsubishi Electric Corp | スクロール圧縮機 |
| US6494688B1 (en) * | 1999-07-15 | 2002-12-17 | Scroll Technologies | Force-fit scroll compressor components |
| US6227830B1 (en) * | 1999-08-04 | 2001-05-08 | Scroll Technologies | Check valve mounted adjacent scroll compressor outlet |
| JP2002364565A (ja) * | 2001-06-06 | 2002-12-18 | Sanden Corp | スクロール型圧縮機 |
| JP3956726B2 (ja) * | 2002-03-06 | 2007-08-08 | 松下電器産業株式会社 | 密閉型スクロール圧縮機およびその応用装置 |
| US6896496B2 (en) | 2002-09-23 | 2005-05-24 | Tecumseh Products Company | Compressor assembly having crankcase |
| US7429167B2 (en) * | 2005-04-18 | 2008-09-30 | Emerson Climate Technologies, Inc. | Scroll machine having a discharge valve assembly |
| US20060245967A1 (en) | 2005-05-02 | 2006-11-02 | Anil Gopinathan | Suction baffle for scroll compressors |
| KR100844153B1 (ko) | 2006-03-14 | 2008-07-04 | 엘지전자 주식회사 | 스크롤압축기의 바이패스 장치 |
| FR2919688B1 (fr) * | 2007-08-02 | 2013-07-26 | Danfoss Commercial Compressors | Compresseur frigorifique a spirales a vitesse variable |
| US7993117B2 (en) * | 2008-01-17 | 2011-08-09 | Bitzer Scroll Inc. | Scroll compressor and baffle for same |
-
2010
- 2010-12-16 FR FR1060591A patent/FR2969227B1/fr active Active
-
2011
- 2011-11-28 WO PCT/FR2011/052777 patent/WO2012080609A2/fr not_active Ceased
- 2011-11-28 DE DE112011104428T patent/DE112011104428T5/de not_active Withdrawn
- 2011-11-28 CN CN201180058503.9A patent/CN103415703B/zh active Active
- 2011-11-28 US US13/994,875 patent/US9097253B2/en active Active
Also Published As
| Publication number | Publication date |
|---|---|
| CN103415703B (zh) | 2015-11-25 |
| US20130309118A1 (en) | 2013-11-21 |
| FR2969227A1 (fr) | 2012-06-22 |
| US9097253B2 (en) | 2015-08-04 |
| FR2969227B1 (fr) | 2013-01-11 |
| DE112011104428T5 (de) | 2013-09-19 |
| CN103415703A (zh) | 2013-11-27 |
| WO2012080609A3 (fr) | 2013-08-08 |
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