WO2006106814A1 - ハイブリッド圧縮機 - Google Patents
ハイブリッド圧縮機 Download PDFInfo
- Publication number
- WO2006106814A1 WO2006106814A1 PCT/JP2006/306644 JP2006306644W WO2006106814A1 WO 2006106814 A1 WO2006106814 A1 WO 2006106814A1 JP 2006306644 W JP2006306644 W JP 2006306644W WO 2006106814 A1 WO2006106814 A1 WO 2006106814A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- suction
- electric motor
- compression mechanism
- communication
- suction chamber
- Prior art date
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
- F04C23/00—Combinations of two or more pumps, each being of rotary-piston or oscillating-piston type, specially adapted for elastic fluids; Pumping installations specially adapted for elastic fluids; Multi-stage pumps specially adapted for elastic fluids
- F04C23/001—Combinations of two or more pumps, each being of rotary-piston or oscillating-piston type, specially adapted for elastic fluids; Pumping installations specially adapted for elastic fluids; Multi-stage pumps specially adapted for elastic fluids of similar working principle
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04C—ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT PUMPS
- 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
- F04C29/00—Component parts, details or accessories of pumps or pumping installations, not provided for in groups F04C18/00 - F04C28/00
- F04C29/0042—Driving elements, brakes, couplings, transmissions specially adapted for pumps
- F04C29/0085—Prime movers
-
- 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
- F04C2240/00—Components
- F04C2240/45—Hybrid prime mover
Definitions
- a first compression mechanism driven by an external drive source and a second compression mechanism driven by a built-in electric motor, which are used in a vehicle air conditioner or the like, are integrally incorporated.
- a hybrid compressor that can cool the motor more effectively.
- a conventional hybrid compressor has a structure as shown in FIG.
- a hybrid compressor 1 shown in FIG. 1 is a scroll-type compressor, and includes a first compression mechanism 2 and a second compression mechanism 3.
- the first compression mechanism 2 includes a fixed scroll 10, a movable scroll 11 that meshes with the fixed scroll 10 to form a plurality of working spaces (fluid pockets) 12, and a movable scroll 11 that is engaged with the movable scroll 11.
- the second compression mechanism 3 engages with the fixed scroll 30, the movable scroll 31 that meshes with the fixed scroll 30 to form a plurality of working spaces (fluid pockets) 32, and the movable scroll 31.
- Drive shaft of the second compression mechanism 3 In order to drive 33, an electric motor 35 is incorporated.
- the electric motor 35 includes a rotor 36 fixed to the drive shaft 33 and a stator 37 having a motor coil portion.
- the stator 37 is attached to the stator housing 38 or one of the compressor housings.
- the entire electric motor 35 is housed in the stator housing 38. Electric power is supplied to the electric motor 35 via the power supply unit 50.
- compressed gas for example, refrigerant gas
- sucked from the suction port 18 into the suction chamber 20 of the first compression mechanism 2 passes through the communication path 39 and flows through the second compression mechanism 3.
- the gas sucked into the suction chamber 40 and the electric motor 35 portion (electric motor side suction chamber) and sucked into the suction chamber 40 of the second compression mechanism 3 is taken into the working space 32, and the working space 32 reduces the volume.
- the refrigerant gas in the working space 32 is compressed.
- a discharge hole 41 is formed at the center of the fixed scroll 30, and the compressed refrigerant gas flows out to the high pressure side of the external refrigerant circuit via the discharge hole 41 and the discharge passage 42.
- the fixed scroll 10 of the first compression mechanism 2 and the fixed scroll 30 of the second compression mechanism 3 are arranged back-to-back, and both the fixed scrolls 10 and 30 are fixed to each other. It is formed as a steel member 43. In this example, a communication path 39 is formed in the fixed scroll member 43.
- the first compressor is used according to the cooling load or the like. Switching between the compression mechanism 2 and the second compression mechanism 3 and simultaneous operation control are performed. For example, when a large cooling capacity is not required inside the passenger compartment, the capacity is small in a light load state! /,
- the motor side that is, the second compression mechanism 3 side
- the drive source side that is, the first compression mechanism 2 side
- the motor operation is performed by controlling the rotational speed by applying a duty control to the motor with a pulse voltage from a high voltage unit based on a command of a dedicated drive control circuit force.
- the motor coil section has a resistance, and a current flows through the resistance, and the motor coil section generates heat.
- the refrigerant passes through the coil portion, or heat is transferred from the motor coil portion to the stator housing side, and the motor coil portion is cooled by heat radiation from the stator housing to the atmosphere.
- the temperature of the motor coil section is determined depending on the balance between the heat generation amount and the heat dissipation amount described above. In the motor side (second compression mechanism 3 side) single operation or the simultaneous operation mode in which the first compression mechanism 2 side operates at low speed and the second compression mechanism 3 also operates, the amount of heat generated in the motor coil section exceeds the heat dissipation amount.
- the motor coil section may exceed the allowable temperature, and in the worst case, it may interfere with motor startup. is there. Therefore, the motor part including the motor coil part needs to be appropriately cooled so as not to exceed the allowable temperature.
- the refrigerant sucked through the communication passage is sucked into the suction chamber on the electric motor side, and the force of the second compression mechanism 3 is sucked there.
- a structure is known in which chamber 40 is inhaled.
- the refrigerant 52 sucked into the suction chamber 20 of the first compression mechanism 2 through the suction passage 19 is extended to the electric motor side suction chamber 51 (the communication passage in FIG. 1).
- the refrigerant passes through the vicinity of the motor 35 and is used for cooling the motor through the suction passage 53.
- the suction chamber 40 of the second compression mechanism 3 is designed to be sucked.
- each member is configured as shown in FIGS. 3 to 6, for example.
- 3 and 4 show an example of the center plate 54 provided between the electric motor side suction chamber 51 and the second compression mechanism 3, and this center is shown.
- One plate 54 is provided with a communication path 52 having a communication port 55 as an opening to the electric motor side suction chamber 51 and a suction path 53 having a suction port 56 as an opening to the electric motor side suction chamber 51. Yes.
- the communication port 55 and the suction port 56 are disposed so as to extend over the entire circumference.
- FIGS. 5 and 6 show an example of a fixed scroll member 57 in which the fixed scroll of the first compression mechanism 2 and the fixed scroll of the second compression mechanism 3 are integrally formed back to back.
- the fixed scroll member 57 is provided with a communication path 52 in the circumferential direction.
- reference numeral 58 in FIG. 6 indicates bolt holes provided in four locations in the circumferential direction.
- the communication path 52 and the communication path from the suction chamber 20 side of the first compression mechanism 2 are communicated.
- the refrigerant gas sucked into the suction chamber 51 on the electric motor side through the port 55 is sucked into the suction port 56 located at the shortest position with respect to the communication port 55 and is immediately compressed there through the suction path 53.
- the refrigerant gas may stagnate in the electric motor side suction chamber 51 at a position away from the communication port 55 and the suction port 56.
- the motor part located away from the communication port 55 and the suction port 56 is not sufficiently cooled by the suction gas, and may be overheated.
- Patent Document 1 Japanese Patent Laid-Open No. 2004-278389
- an object of the present invention is to allow the built-in electric motor unit to be more appropriately cooled with a suction gas over a wider range and to further appropriately suppress the temperature rise of the motor unit. It is to provide a structure of a hybrid compressor that can expand the operating range of the compressor.
- a hybrid compressor includes a scroll-type first compression mechanism driven only by an external drive source and a scroll-type second compression driven only by a built-in electric motor.
- a hybrid compressor having a communication passage for sucking gas from the first compression mechanism side to the electric motor side suction chamber and a suction passage for sucking gas to the second compression mechanism side in addition to the suction chamber force of the electric motor side
- the communication passage is an opening to the electric motor side suction chamber of the communication passage.
- the communication path or Z and the position of the suction path or Z and so as to form a gas flow to the suction path that is an opening in the suction chamber on the electric motor side of the suction path and is located on the opposite side of the communication port The number or Z, and the position or Z and the number of the communication port or Z and the suction port are limited.
- the communication port force V is provided in the electric motor side suction chamber only at one position, and the suction port is provided in the electric motor side suction chamber. It can be configured such that it is provided only at a position opposite to the position on the one side.
- a plurality of the communication passages, the communication ports, the suction passages, and the suction ports may be provided.
- a center plate is provided between the electric motor side suction chamber and the second compression mechanism, and the communication port and the suction port are formed in the center plate.
- the fixed scroll of the first compression mechanism and the fixed scroll of the second compression mechanism are integrally formed on a common fixed scroll member, and a part of the communication path is formed on the fixed scroll member. It can also be set as the structure currently formed.
- a motor for driving a vehicle including both an engine such as an internal combustion engine and a motor for driving a vehicle in the case of an electric vehicle
- a refrigerant can be used as the compressed gas.
- the excessive temperature rise in the motor portion is as follows. Properly suppressed. That is, in the conventional structure as described above, the suction gas easily flows from the communication port to the suction chamber on the electric motor side to the suction port located at the shortest distance. Inhaled gas is likely to stagnate Further, the motor portion is cooled and may overheat.
- the suction gas flowing from the communication port to the suction port inevitably stagnate by arranging the communication passage, particularly the communication port, and the suction passage, particularly the suction port, on opposite sides. It will flow over a wide range without causing the motor to cool well over a wide range and prevent overheating.
- the operable range of the motor is also expanded.
- the suction gas for cooling can flow over a wide range in the electric motor side suction chamber without stagnation, and the motor can be appropriately used throughout.
- the temperature rise of the motor during motor operation can be kept low. Therefore, it is possible to avoid the inconvenience caused by overheating of the motor and to expand the operable range of the motor.
- FIG. 1 is a longitudinal sectional view of a conventional hybrid compressor.
- FIG. 2 is a schematic longitudinal sectional view showing an example of a cooling structure of a motor unit in a conventional hybrid compressor.
- FIG. 3 is a schematic longitudinal sectional view showing an example of a center plate in the structure of FIG.
- FIG. 4 is a front view showing an example of the arrangement of communication ports and suction ports of the center plate of FIG. 3.
- FIG. 5 is a schematic longitudinal sectional view showing an example of a fixed scroll member in the structure of FIG.
- FIG. 6 is a front view showing an example of the arrangement of communication paths of the fixed scroll member of FIG.
- FIG. 7 is a schematic longitudinal sectional view showing an example of a cooling structure for a hybrid compressor according to an embodiment of the present invention.
- FIG. 8 is a front view showing an example of the arrangement of the communication paths of the fixed scroll member in the structure of FIG.
- FIG. 9 is a front view showing an example of arrangement of communication ports and suction ports of the center plate in the structure of FIG.
- FIG. 7 shows the configuration of the hybrid compressor according to one embodiment of the present invention in a form corresponding to FIG. 2 described above. Since the basic configuration of the hybrid compressor shown in FIG. 7 conforms to the configuration shown in FIGS. 1 and 2, the parts having substantially the same configuration as the parts shown in FIGS. The description is omitted by giving the same reference numerals as in FIG. In the following, the points different from the configurations shown in FIGS. 1 and 2 will be mainly described. Note that the arrows in FIG. 7 show an example of the flow of refrigerant gas during motor operation.
- the difference from the structure shown in FIG. 2 is that the compressed gas sucked into the suction chamber 20 of the first compression mechanism 2 from the suction passage 19 (in this embodiment, the low-temperature refrigerant before compression) Gas) to the electric motor side suction chamber 51 and the second compression from the communication port 62 or Z that opens to the electric motor side suction chamber 51, or Z and the electric motor side suction chamber 51.
- Refrigerant gas suction path 63 or Z to the suction chamber 40 of mechanism 3 and its suction port 64 force that is an opening to the suction chamber 51 on the electric motor side In the suction chamber 51 on the electric motor side They are located at positions apart from each other, especially at positions opposite to each other.
- FIG. 8 corresponds to FIG. 6 described above, and as shown in an example of the fixed scroll member 65 in the present embodiment, the communication path 61 is provided only on the upper side in FIG.
- the communication path 52 is provided on the lower side and the lateral side, and the communication path 61 is not provided for the portion 66. That is, in the arrangement structure of the communication path 52 shown in FIG.
- the communication port 62 which is an opening to the electric motor side suction chamber 51, is also provided only at the position corresponding to the upper side in FIG. I can't.
- FIG. 9 corresponds to FIG. 4 described above, and as shown in an example of the center plate 67 in the present embodiment, the suction port 68 and the suction path 69 are provided only on the lower side in FIG.
- the suction port 56 and the suction path 53 are provided in FIG. 4.
- the suction port 68 and the suction path 69 are provided. ! / No. That is, in the arrangement structure of the suction port 56 and the suction path 53 shown in FIG. 4, the suction port 56 and the suction path 53 are eliminated in these portions 70.
- the position or Z and the number of the communication port 62 and the suction port 68 are limited with respect to the electric motor side suction chamber 51, and in particular, the suction ports 51 are sucked from the communication port 62 by being positioned on the opposite sides.
- the flow of the refrigerant gas in the electric motor side suction chamber 51 that flows to the suction port 68 flows over a wide range without stagnation.
- the motor 35 is adequately cooled throughout, and the temperature rise of the motor 35 during motor operation can be kept low. Therefore, it is possible to avoid the occurrence of inconvenience due to overheating of the motor, and to expand the motor operable range.
- the present invention is applicable to any hybrid compressor in which the first compression mechanism and the second compression mechanism are integrally incorporated, and the second compression mechanism is driven by a built-in electric motor.
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Rotary Pumps (AREA)
- Applications Or Details Of Rotary Compressors (AREA)
- Compressor (AREA)
Abstract
Description
Claims
Priority Applications (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP06730592A EP1865200A4 (en) | 2005-04-01 | 2006-03-30 | HYBRID COMPRESSOR |
CA002601848A CA2601848A1 (en) | 2005-04-01 | 2006-03-30 | Hybrid compressor |
US11/909,601 US20090060754A1 (en) | 2005-04-01 | 2006-03-30 | Hybrid Compressor |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2005-105736 | 2005-04-01 | ||
JP2005105736A JP2006283683A (ja) | 2005-04-01 | 2005-04-01 | ハイブリッド圧縮機 |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2006106814A1 true WO2006106814A1 (ja) | 2006-10-12 |
Family
ID=37073370
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/JP2006/306644 WO2006106814A1 (ja) | 2005-04-01 | 2006-03-30 | ハイブリッド圧縮機 |
Country Status (6)
Country | Link |
---|---|
US (1) | US20090060754A1 (ja) |
EP (1) | EP1865200A4 (ja) |
JP (1) | JP2006283683A (ja) |
CN (1) | CN101147003A (ja) |
CA (1) | CA2601848A1 (ja) |
WO (1) | WO2006106814A1 (ja) |
Families Citing this family (16)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP5209259B2 (ja) * | 2007-09-25 | 2013-06-12 | サンデン株式会社 | 駆動回路一体型電動圧縮機 |
IT1394832B1 (it) * | 2009-07-21 | 2012-07-20 | Ferrari Spa | Compressore a chiocciola per un condizionatore aria di un veicolo ibrido |
JP5482387B2 (ja) | 2010-03-31 | 2014-05-07 | 株式会社豊田自動織機 | 電動圧縮機 |
JP5299342B2 (ja) * | 2010-03-31 | 2013-09-25 | 株式会社豊田自動織機 | 電動圧縮機 |
CN102588278A (zh) * | 2012-03-02 | 2012-07-18 | 乔建设 | 油电双动涡旋压缩机 |
FR2991523B1 (fr) | 2012-05-30 | 2015-11-06 | Valeo Equip Electr Moteur | Rotor de machine electrique et ressort pour le maintien radial d'aimant permanent associe |
FR2991831B1 (fr) | 2012-06-12 | 2015-07-24 | Valeo Equip Electr Moteur | Element isolant pour stator de machine electrique |
FR2991830B1 (fr) | 2012-06-12 | 2014-06-06 | Valeo Equip Electr Moteur | Element pour le maintien de fils de bobinage d'un stator de machine electrique |
FR3008252B1 (fr) | 2013-07-04 | 2015-08-07 | Valeo Equip Electr Moteur | Corps de rotor a aimants permanents et machine electrique tournante comportant un tel corps |
FR3009140B1 (fr) | 2013-07-29 | 2017-02-24 | Valeo Equip Electr Moteur | Rotor a aimants permanents |
FR3012268B1 (fr) | 2013-10-21 | 2017-04-21 | Valeo Equip Electr Moteur | Procede d'assemblage par rivetage d'un rotor de machine electrique tournante, rotor et compresseur correspondants |
FR3013529B1 (fr) | 2013-11-20 | 2017-04-14 | Valeo Equip Electr Moteur | Lames de maintien des aimants |
FR3040834B1 (fr) | 2015-09-03 | 2017-08-25 | Valeo Equip Electr Moteur | Corps de rotor a aimants permanents et machine electrique tournante comportant un tel corps |
FR3063401A1 (fr) | 2017-02-27 | 2018-08-31 | Valeo Equip Electr Moteur | Rotor de machine electrique tournante a configuration amelioree |
CN112664449B (zh) * | 2020-12-29 | 2023-01-03 | 山东众诚新能源股份有限公司 | 油电混合汽车空调压缩机 |
CN116412124A (zh) * | 2021-12-31 | 2023-07-11 | 广东美的白色家电技术创新中心有限公司 | 压缩机、温控设备、温控设备的控制方法和相关设备 |
Citations (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS63239394A (ja) * | 1987-03-25 | 1988-10-05 | Mitsubishi Electric Corp | スクロ−ル圧縮機 |
JPH09112474A (ja) * | 1995-10-17 | 1997-05-02 | Daikin Ind Ltd | 冷媒圧縮機 |
EP1335133A2 (en) | 2002-02-08 | 2003-08-13 | Sanden Corporation | Two-stage compressors |
US20030167784A1 (en) | 2002-03-06 | 2003-09-11 | Akiyoshi Higashiyama | Two-stage compressor for an automotive air conditioner, which can be driven by a vehicle running engine and an electric motor different therefrom |
US20040179959A1 (en) | 2003-03-11 | 2004-09-16 | Takehiro Hasegawa | Motor driven compressor |
JP2004270613A (ja) * | 2003-03-11 | 2004-09-30 | Sanden Corp | ハイブリッド圧縮機 |
JP2004270615A (ja) * | 2003-03-11 | 2004-09-30 | Sanden Corp | ハイブリッド型圧縮機 |
US20040265143A1 (en) | 2003-03-14 | 2004-12-30 | Takayuki Kawahara | Hybrid compressor |
-
2005
- 2005-04-01 JP JP2005105736A patent/JP2006283683A/ja active Pending
-
2006
- 2006-03-30 WO PCT/JP2006/306644 patent/WO2006106814A1/ja active Application Filing
- 2006-03-30 CN CNA2006800094159A patent/CN101147003A/zh active Pending
- 2006-03-30 CA CA002601848A patent/CA2601848A1/en not_active Abandoned
- 2006-03-30 US US11/909,601 patent/US20090060754A1/en not_active Abandoned
- 2006-03-30 EP EP06730592A patent/EP1865200A4/en not_active Withdrawn
Patent Citations (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS63239394A (ja) * | 1987-03-25 | 1988-10-05 | Mitsubishi Electric Corp | スクロ−ル圧縮機 |
JPH09112474A (ja) * | 1995-10-17 | 1997-05-02 | Daikin Ind Ltd | 冷媒圧縮機 |
EP1335133A2 (en) | 2002-02-08 | 2003-08-13 | Sanden Corporation | Two-stage compressors |
US20030167784A1 (en) | 2002-03-06 | 2003-09-11 | Akiyoshi Higashiyama | Two-stage compressor for an automotive air conditioner, which can be driven by a vehicle running engine and an electric motor different therefrom |
US20040179959A1 (en) | 2003-03-11 | 2004-09-16 | Takehiro Hasegawa | Motor driven compressor |
JP2004270613A (ja) * | 2003-03-11 | 2004-09-30 | Sanden Corp | ハイブリッド圧縮機 |
JP2004270615A (ja) * | 2003-03-11 | 2004-09-30 | Sanden Corp | ハイブリッド型圧縮機 |
US20040265143A1 (en) | 2003-03-14 | 2004-12-30 | Takayuki Kawahara | Hybrid compressor |
Non-Patent Citations (1)
Title |
---|
See also references of EP1865200A4 * |
Also Published As
Publication number | Publication date |
---|---|
CN101147003A (zh) | 2008-03-19 |
US20090060754A1 (en) | 2009-03-05 |
EP1865200A1 (en) | 2007-12-12 |
CA2601848A1 (en) | 2006-10-12 |
JP2006283683A (ja) | 2006-10-19 |
EP1865200A4 (en) | 2008-07-02 |
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