WO2015107840A1 - Compresseur à suralimentation électrique - Google Patents

Compresseur à suralimentation électrique Download PDF

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Publication number
WO2015107840A1
WO2015107840A1 PCT/JP2014/083889 JP2014083889W WO2015107840A1 WO 2015107840 A1 WO2015107840 A1 WO 2015107840A1 JP 2014083889 W JP2014083889 W JP 2014083889W WO 2015107840 A1 WO2015107840 A1 WO 2015107840A1
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WO
WIPO (PCT)
Prior art keywords
chamber
hole
pressure
shaft
electrical machine
Prior art date
Application number
PCT/JP2014/083889
Other languages
English (en)
Japanese (ja)
Inventor
智則 佐々木
聡 梅村
賢二 望月
祐弥 井沢
Original Assignee
株式会社豊田自動織機
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by 株式会社豊田自動織機 filed Critical 株式会社豊田自動織機
Publication of WO2015107840A1 publication Critical patent/WO2015107840A1/fr

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Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02B—INTERNAL-COMBUSTION PISTON ENGINES; COMBUSTION ENGINES IN GENERAL
    • F02B39/00—Component parts, details, or accessories relating to, driven charging or scavenging pumps, not provided for in groups F02B33/00 - F02B37/00
    • F02B39/02—Drives of pumps; Varying pump drive gear ratio
    • F02B39/08—Non-mechanical drives, e.g. fluid drives having variable gear ratio
    • F02B39/10—Non-mechanical drives, e.g. fluid drives having variable gear ratio electric
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02B—INTERNAL-COMBUSTION PISTON ENGINES; COMBUSTION ENGINES IN GENERAL
    • F02B33/00—Engines characterised by provision of pumps for charging or scavenging
    • F02B33/32—Engines with pumps other than of reciprocating-piston type
    • F02B33/34—Engines with pumps other than of reciprocating-piston type with rotary pumps
    • F02B33/40—Engines with pumps other than of reciprocating-piston type with rotary pumps of non-positive-displacement type
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04D—NON-POSITIVE-DISPLACEMENT PUMPS
    • F04D17/00—Radial-flow pumps, e.g. centrifugal pumps; Helico-centrifugal pumps
    • F04D17/08—Centrifugal pumps
    • F04D17/10—Centrifugal pumps for compressing or evacuating
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04D—NON-POSITIVE-DISPLACEMENT PUMPS
    • F04D25/00—Pumping installations or systems
    • F04D25/02—Units comprising pumps and their driving means
    • F04D25/06—Units comprising pumps and their driving means the pump being electrically driven
    • F04D25/0606—Units comprising pumps and their driving means the pump being electrically driven the electric motor being specially adapted for integration in the pump
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04D—NON-POSITIVE-DISPLACEMENT PUMPS
    • F04D29/00—Details, component parts, or accessories
    • F04D29/05—Shafts or bearings, or assemblies thereof, specially adapted for elastic fluid pumps
    • F04D29/056—Bearings
    • F04D29/059—Roller bearings

Definitions

  • This invention relates to an electric supercharger.
  • the supercharger there is an electric supercharger that rotates a compressor wheel by a rotating electric machine such as an electric motor.
  • the bearing of the rotating shaft of the compressor wheel generates heat when the compressor wheel rotates at high speed and compresses the air, and thus the bearing needs to be cooled.
  • the bearing that rotatably supports the rotating shaft needs to reduce friction due to lubricating oil or the like.
  • a motor rotor of a motor is fixed so as to rotate integrally with a rotation shaft to which a compressor wheel is attached, and a bearing as a bearing is attached to the motor rotor.
  • it is provided on the compressor wheel side.
  • a bearing housing is provided between the compressor wheel and the motor so as to surround the bearing, and the bearing housing is configured so that oil can be circulated by supplying and discharging oil therein.
  • the bearing is lubricated and cooled by oil flowing in the bearing housing.
  • the electric supercharger disclosed in Patent Document 1 employs a structure that allows oil to flow into the bearing housing, so that the structure around the bearing becomes large, and the electric supercharger itself increases in size.
  • electric superchargers have been installed in automobiles, and space saving is required.
  • the electric turbocharger is miniaturized by adopting a configuration in which the bearing on the compressor wheel side is a small rolling bearing, that is, a ball bearing, and grease is previously enclosed in the bearing at the time of manufacture. .
  • the bearing of the rotating shaft that connects the compressor wheel and the electric motor is provided in the closed motor housing that houses the electric motor, and the compressor wheel housing space outside the motor housing. It arrange
  • the working pressure on the bearing due to the supercharged air in the compressor wheel housing space at the time of supercharging rises and the air pressure difference between the inside and outside of the motor housing increases, grease will escape from inside the bearing and the durability of the bearing There is a problem that decreases.
  • the present invention has been made to solve the above-described problems, and an object thereof is to provide an electric supercharger that improves the durability of a bearing.
  • an electric supercharger includes a rotating electrical machine, a compressor wheel that is driven to rotate by the rotating electrical machine, a wheel chamber that houses the compressor wheel, and a rotating electrical machine room that houses the rotating electrical machine. And a housing that is disposed in the rotating electrical machine chamber and that rotatably supports the rotating shaft of the rotating electrical machine that rotationally drives the compressor wheel, and the housing in which the rotating shaft passes through the wheel chamber and the rotating electrical machine chamber.
  • a partition and a partition through-hole formed through the partition and allowing the wheel chamber to communicate with the rotating electrical machine chamber are provided.
  • the electric supercharger according to the present invention can improve the durability of the bearing.
  • an electric supercharger 101 includes a supercharger 1 for supercharging sucked gas (in the present embodiment, air), and an electric motor 30 that is a rotary electric machine. And a drive unit 2 for driving using the.
  • the supercharging unit 1 includes a compressor wheel 21 that supercharges intake air by rotating, a shaft 22 that can rotate integrally with the compressor wheel 21, and a metal compressor that houses the compressor wheel 21 by being assembled with each other. A cover 11 and a seal plate 12 are provided.
  • the shaft 22 constitutes a rotation axis.
  • the shaft 22 extends from the inside of the compressor cover 11 to the drive unit 2 through the seal plate 12.
  • the seal plate 12 extends in the radial direction of the shaft 22.
  • a wheel chamber 15 that rotatably accommodates the compressor wheel 21 and a suction passage 16 that extends from the wheel chamber 15 in the axial direction of the shaft 22 and opens to the outside.
  • an annular discharge passage 17 that communicates with the wheel chamber 15 and extends around the compressor wheel 21 and opens to the outside.
  • the driving unit 2 includes a metal bottomed cylindrical motor case 13 and an end plate 14 that closes the opening of the motor case 13.
  • the motor case 13 and the end plate 14 form a motor chamber 18 that houses the electric motor 30 therein.
  • the motor chamber 18 constitutes a rotating electrical machine chamber.
  • the compressor cover 11, the seal plate 12, the motor case 13, and the end plate 14 form a housing 10 for the electric supercharger 101.
  • a seal plate 12 is fixed to the bottom wall 13 b that is the bottom of the motor case 13.
  • a bottom wall through hole 13b1 that opens into the motor chamber 18 and opens toward the seal plate 12 is formed through the bottom wall 13b.
  • the bottom wall through-hole 13 b 1 has an inner diameter larger than the outer diameter of the shaft 22 and passes through the shaft 22.
  • the bottom wall 13 b extends in the radial direction of the shaft 22.
  • the bottom wall 13 b constitutes a partition wall that separates the motor chamber 18 and the wheel chamber 15, and the bottom wall through hole 13 b 1 constitutes a rotation shaft insertion hole of the shaft 22.
  • a plate through-hole 12a that penetrates the seal plate 12 and is adjacent to and communicates with the bottom wall through-hole 13b1 is formed.
  • the shaft 22 extends into the motor chamber 18 through the plate through hole 12a and the bottom wall through hole 13b1. At this time, the axial direction of the shaft 22 is a direction along the extending direction of the cylindrical side wall 13 a of the motor case 13.
  • the outer peripheral surface 22 c of the shaft 22 is supported by a first bearing 23 and a second bearing 24 such as a ball bearing provided in the motor chamber 18 so as to be rotatable in the circumferential direction.
  • the first bearing 23 supports the shaft 22 near the bottom wall 13b, and the second bearing 24 supports the shaft 22 near the end 22b on the end plate 14 side.
  • the first bearing 23 has a cylindrical shape with a flange surrounding the outer periphery of the first bearing 23 and is supported and fixed by a first bearing frame 25 fixed to the bottom wall 13b, and is adjacent to the bottom wall through hole 13b1. Is located.
  • the inner diameter of the bottom wall through hole 13b1 is smaller than the outer diameter of the first bearing 23, and the first bearing 23 closes the gap between the bottom wall 13b and the shaft 22 in the bottom wall through hole 13b1.
  • the second bearing 24 has a cylindrical shape with a flange surrounding the outer periphery of the second bearing 24 and is supported and fixed by a second bearing frame 26 fixed to the end plate 14.
  • a fixing nut 27 and a fixing ring 28 are mounted on the outer peripheral surface 22c of the shaft 22 that is passed through the insertion hole 21a at the center of the compressor wheel 21 on the one end 22a side.
  • the fixing ring 28 is located on the opposite side to the end 22a of the shaft 22 with respect to the compressor wheel 21 and in the plate through hole 12a. Furthermore, the fixing ring 28 is configured to engage with the shaft 22 and be prevented from moving along the shaft 22 to the side opposite to the compressor wheel 21.
  • the fixing nut 27 is positioned on the end 22a side with respect to the compressor wheel 21, and is screwed to the shaft 22 by a reverse screw method. By tightening with the fixing nut 27, the compressor wheel 21 is sandwiched between the fixing nut 27 and the fixing ring 28 and fixed in the axial direction.
  • a cylindrical rotor core 31 is provided on the outer peripheral surface 22 c of the shaft 22 so as to rotate integrally with the shaft 22 between the first bearing 23 and the second bearing 24 in the motor chamber 18.
  • a permanent magnet 32 is embedded in the rotor core 31 along the outer peripheral surface thereof.
  • a cylindrical stator core 33 is provided so as to surround the outer periphery of the rotor core 31.
  • the stator core 33 is fixed to the side wall 13 a of the motor case 13.
  • a winding is wound in the stator core 33, and this winding forms a coil 34 and protrudes from both ends of the stator core 33.
  • the shaft 22, the rotor core 31, the permanent magnet 32, the stator core 33, and the coil 34 as described above constitute an electric motor 30.
  • the shaft 22 also serves as the rotation shaft of the compressor wheel 21 and the electric motor 30.
  • a first pressure adjusting hole 13 d and a second pressure adjusting hole 13 e that pass through the bottom wall 13 b of the motor case 13 and open into the motor chamber 18 and toward the seal plate 12 are formed.
  • the first pressure adjusting hole 13d and the second pressure adjusting hole 13e constitute a partition wall through hole.
  • the second pressure adjustment hole 13e is disposed at a position closer to the shaft 22 in the radial direction than the first pressure adjustment hole 13d. That is, the first pressure adjustment hole 13d is located at a distance L1 from the central axis CA of the shaft 22, that is, the radial distance L1, and the second pressure adjustment hole 13e is at a radial distance L2 (L2 ⁇ L1) from the central axis CA. positioned. Further, the first pressure adjusting hole 13d and the second pressure adjusting hole 13e are located on the radially outer side of the bottom wall through hole 13b1 and have the same inner diameter.
  • the operation of the electric supercharger 101 according to Embodiment 1 of the present invention will be described.
  • the rotor core 31 is rotationally driven by the rotating magnetic field generated by the coil 34, whereby the shaft 22 and the compressor wheel 21 are driven to rotate at high speed about the central axis CA.
  • the compressor wheel 21 rotating at high speed compresses or supercharges the air sucked from the suction passage 16 and discharges it from the discharge passage 17. At this time, the air is compressed in the wheel chamber 15 to increase its pressure, and a part of the compressed air is between the seal plate 12 and the fixing ring 28 and between the fixing ring 28 and the shaft 22. And flows into the bottom wall through hole 13b1.
  • the compressed air that has flowed in tends to flow between the seal plate 12 and the bottom wall 13b of the motor case 13 toward the first pressure adjustment hole 13d or the second pressure adjustment hole 13e.
  • the rotor core 31 protruding in the radial direction from the shaft 22 rotates at a high speed, so that air flows from the shaft 22 to the outside in the radial direction. It is biased to a position far from 22 in the radial direction. That is, the pressure of the air in the motor chamber 18 increases as the radial distance from the shaft 22 increases. Therefore, in the motor chamber 18, the pressure in the vicinity of the second pressure adjustment hole 13e is lower than the pressure in the vicinity of the first pressure adjustment hole 13d.
  • the air between the seal plate 12 and the bottom wall 13b flows toward the second pressure adjustment hole 13e having a lower pressure, passes through the second pressure adjustment hole 13e, and flows into the motor chamber 18.
  • the pressure in the vicinity of the second pressure adjusting hole 13 e rises due to the air flowing in one after another, so that the air that has flowed in approaches the shaft 22 where the pressure is lower, as indicated by the dashed arrow in FIG. 2.
  • the first pressure adjusting hole 13d having a lower pressure along the side wall 13a of the motor case 13.
  • the air that has flowed into the vicinity of the shaft 22 flows again outward in the radial direction by the action of the rotating rotor core 31, and at this time, flows toward the first pressure adjustment hole 13 d having a lower pressure. Thereafter, the air flows out of the motor chamber 18 through the first pressure adjusting hole 13d. The outflowed air does not flow to the bottom wall through hole 13b1 and the wheel chamber 15 with higher pressure, but flows between the seal plate 12 and the bottom wall 13b to the outside of the electric supercharger 101.
  • the air is cooled by heat radiation through the heat radiation fins 13c of the motor case 13, and the bearings 23 and 24 are mainly the first bearing 23. Cool directly.
  • the first bearing 23 receives heat transfer from the air that is heated by being compressed by the compressor wheel 21 through the shaft 22, the seal plate 12, and the bottom wall 13 b, the temperature is higher than that of the second bearing 24. .
  • cooling the first bearing 23 mainly is effective for cooling the bearings 23 and 24 to the same state.
  • the first bearing 23 is also directly cooled by the air flowing into the adjacent bottom wall through hole 13b1.
  • the electric supercharger 101 includes the electric motor 30, the compressor wheel 21 that is rotationally driven by the electric motor 30, the wheel chamber 15 that houses the compressor wheel 21, and the electric motor.
  • a housing 10 having a motor chamber 18 that accommodates 30; a first bearing 23 that is disposed in the motor chamber 18 and rotatably supports a shaft 22 of an electric motor 30 that rotationally drives the compressor wheel 21; And a bottom wall 13b of the housing 10 through which the shaft 22 passes, and a first pressure adjusting hole 13d and a first pressure adjusting hole 13d formed through the bottom wall 13b and capable of communicating the wheel chamber 15 with the motor chamber 18.
  • two pressure adjusting holes 13e are configured so that the pressures in the first pressure adjustment hole 13d and the second pressure adjustment hole 13e in the motor chamber 18 are different when the electric motor 30 is operated. Is done.
  • the electric supercharger 101 simplifies the structure for cooling the first bearing 23, thereby enabling cost reduction.
  • the first bearing 23 receives the pressure of air compressed in the wheel chamber 15 from the outside of the motor chamber 18 and receives the pressure of air in the motor chamber 18.
  • the differential pressure of air acting on the first bearing 23 between the inside and outside of the motor chamber 18 is reduced. Leakage of the encapsulated grease in 23 is suppressed.
  • the first pressure adjustment hole 13d and the second pressure adjustment hole 13e have different distances from the shaft 22.
  • the first pressure adjustment hole 13d and the second pressure adjustment hole 13e are configured such that the pressure varies in the motor chamber 18 according to the radial distance from the shaft 22.
  • the pressure at can be different.
  • the first bearing 23 is adjacent to the bottom wall through hole 13b1 through which the shaft 22 in the bottom wall 13b passes. In the above configuration, the first bearing 23 is also directly cooled by the air flowing from the wheel chamber 15 to the bottom wall through hole 13b1.
  • the electric motor 30 rotates with the shaft 22, thereby generating a pressure difference in the motor chamber 18 where the pressure on the radially outer side is higher than the pressure on the radial center side of the shaft 22.
  • the rotor core 31 is provided so as to protrude from the shaft 22 in the radial direction of the shaft 22, and the first pressure adjustment hole 13 d and the second pressure adjustment hole 13 e are adjusted in the motor chamber 18 by the pressure difference. An air flow from the hole 13e to the first pressure adjusting hole 13d is generated.
  • the first bearing 23 is moved by causing the pressure difference in the motor chamber 18 generated by the rotation of the rotor core 31 to interact with the configuration of the first pressure adjustment hole 13d and the second pressure adjustment hole 13e.
  • a directly cooled air flow can be formed in the motor chamber 18.
  • Embodiment 2 The electric supercharger according to the second embodiment of the present invention includes the first pressure adjusting hole 13d and the second pressure formed in the bottom wall 13b of the motor case 13 in the electric supercharger 101 according to the first embodiment.
  • the adjustment hole 13e is disposed at a position equidistant from the shaft 22 in the radial direction, and the inner diameter of the second pressure adjustment hole 13e is larger than that of the first pressure adjustment hole 13d.
  • the same reference numerals as the reference numerals in the previous drawings are the same or similar components, and detailed description thereof will be omitted.
  • the first pressure adjustment hole 213d is a radial distance L1 from the central axis CA of the shaft 22.
  • both the first pressure adjustment hole 213 d and the second pressure adjustment hole 213 e having the same radial distance from the shaft 22 pass through the bottom wall through hole 13 b 1.
  • Compressed air flows in.
  • the first pressure adjustment hole 213d has a smaller diameter than the second pressure adjustment hole 213e
  • the pressure in the vicinity of the first pressure adjustment hole 213d is greater than the pressure in the vicinity of the second pressure adjustment hole 213e in the motor chamber 18. Will gradually become higher.
  • the compressed air in the bottom wall through hole 13b1 flows into the motor chamber 18 through the second pressure adjustment hole 213e as shown by the broken line arrow in FIG. It flows along the shaft 22 (see FIG. 1) or in the vicinity of the shaft 22 toward the first pressure adjusting hole 213d having a lower pressure. Thereafter, the air flows out from the motor chamber 18 through the first pressure adjustment hole 213d.
  • the air directly cools the bearings 23 and 24, mainly the first bearing 23, while being cooled by heat radiation through the heat radiation fins 13 c (see FIG. 1) of the motor case 13. .
  • the differential pressure between the bottom wall through hole 13b1 side and the motor chamber 18 side in the first bearing 23 becomes low.
  • movement of the electric supercharger which concern on Embodiment 2 of this invention are the same as that of Embodiment 1, description is abbreviate
  • the same effect as the electric supercharger 101 of the first embodiment can be obtained. That is, since the first pressure adjustment hole 213d and the second pressure adjustment hole 213e have different sizes, as described above, the first pressure adjustment hole 213d is provided in the motor chamber 18 during operation of the electric compressor. The pressure in the vicinity and the pressure in the vicinity of the second pressure adjustment hole 213e are different. Thereby, in the motor chamber 18, an air flow is generated between the first pressure adjusting hole 213d and the second pressure adjusting hole 213e, and the air is directly cooled by the air flowing through the bearings 23 and 24.
  • the first pressure adjustment hole 213d and the second pressure adjustment hole 213e are arranged at an equal distance from the shaft 22 in the radial direction.
  • the pressure adjustment hole 213d may be arranged at a position farther in the radial direction from the shaft 22 than the second pressure adjustment hole 213e.
  • the two first pressure adjustment holes and the second pressure adjustment hole are provided in the bottom wall 13b of the motor case 13, but there is only one pressure adjustment hole. It may be.
  • part of the air in the wheel chamber 15 compressed by the compressor wheel 21 flows toward the pressure adjustment hole.
  • a differential pressure is generated inside and outside the motor chamber 18 across the pressure adjustment hole.
  • the pressure of the external air is higher than the inside of the motor chamber 18, the air flows from the outside of the motor chamber 18 through the pressure adjustment hole, and the pressure of the air in the motor chamber 18 increases. .
  • the pressure of the air in the motor chamber 18 varies as the number of rotations of the rotor core 31 in the motor chamber 18 varies.
  • the pressure of the air inside the motor chamber 18 fluctuates and becomes higher than the outside after the inflow of air, the air flows out from the inside of the motor chamber 18 through the pressure adjusting hole. Accordingly, since the air flow and the air exchange occur in the motor chamber 18, the first bearing 23 and the second bearing 24 are cooled.
  • the air inflow / outflow into the motor chamber 18 acts to reduce the differential pressure of air inside and outside the motor chamber 18, and thus acts on the first bearing 23 between the inside and outside of the motor chamber 18.
  • the differential pressure of the air to be reduced is reduced, and leakage of the enclosed grease in the first bearing 23 is suppressed.
  • the bottom wall 13b of the motor case 13 is provided with one first pressure adjustment hole and one second pressure adjustment hole. Two or more holes and second pressure adjustment holes may be provided.
  • the first pressure adjustment hole 213d and the second pressure adjustment hole 213e of the bottom wall 13b of the motor case 13 are configured to be different from each other.
  • the present invention is not limited to this, and the cross-sectional shapes of the first pressure adjustment hole and the second pressure adjustment hole or the frictional resistance against the air on the inner wall surface may be different from each other. That is, the ease of air passing through the first pressure adjustment hole and the second pressure adjustment hole may be different from each other.
  • the cooling structure using the pressure adjustment hole of the bearing of the electric supercharger according to the first and second embodiments is not to cool the bearing by immersing it in the lubricating oil or to cool it with the flowing lubricating oil, and uses gas. It can be applied to any supercharger that cools.
  • the air flow path cross-sectional area from the bottom wall through hole 13b1 to the first pressure adjustment hole and the air flow path cross-sectional area from the second pressure adjustment hole. May be different. Specifically, by increasing the cross-sectional area of the flow path of air reaching the second pressure adjustment hole (inflow side) or by providing a restriction in the flow path reaching the first pressure adjustment hole (outflow side), A pressure difference can be generated.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Supercharger (AREA)

Abstract

L'invention concerne un compresseur à suralimentation électrique (101) équipé de : un moteur électrique (30) ; une roue de compresseur (21) ; un logement (10) qui possède une chambre de roue (15) pour recevoir la roue de compresseur (21) et une chambre de moteur (18) pour recevoir le moteur électrique (30) ; un premier palier (23) qui est disposé à l'intérieur de la chambre de moteur (18) et soutient de manière rotative un arbre (22) du moteur électrique (30) qui entraîne la roue de compresseur (21) en rotation ; une paroi inférieure (13b) pour le logement (10) qui sépare la chambre de roue (15) et la chambre de moteur (18) l'une de l'autre et permet à l'arbre (22) de pénétrer à travers celui-ci ; et des trous de réglage de pression (13d, 13e) qui sont formés à travers la paroi inférieure (13b) et permettent à la chambre de roue (15) de communiquer avec la chambre de moteur (18).
PCT/JP2014/083889 2014-01-20 2014-12-22 Compresseur à suralimentation électrique WO2015107840A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2014-007812 2014-01-20
JP2014007812A JP2015137548A (ja) 2014-01-20 2014-01-20 電動過給機

Publications (1)

Publication Number Publication Date
WO2015107840A1 true WO2015107840A1 (fr) 2015-07-23

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WO (1) WO2015107840A1 (fr)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2017145724A (ja) * 2016-02-16 2017-08-24 株式会社豊田自動織機 電動過給機
WO2017141877A1 (fr) 2016-02-19 2017-08-24 株式会社Ihi Dispositif électrique et compresseur d'alimentation électrique

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2001515991A (ja) * 1997-09-10 2001-09-25 ターボダイン システムズ インコーポレイテッド 内部冷却空気を有するモータ駆動式遠心コンプレッサ
JP2004003472A (ja) * 2002-05-09 2004-01-08 Dana Automotive Ltd ポンプ及びエンジン冷却システム
JP2006333660A (ja) * 2005-05-27 2006-12-07 Toyota Motor Corp モータおよびモータを用いたターボチャージャ
JP2007040255A (ja) * 2005-08-05 2007-02-15 Ishikawajima Harima Heavy Ind Co Ltd 電動機付過給機
JP2008029166A (ja) * 2006-07-25 2008-02-07 Toyota Motor Corp 回転電機の冷却構造および電動過給機
JP2008118742A (ja) * 2006-11-01 2008-05-22 Toyota Motor Corp 回転電動機

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2001515991A (ja) * 1997-09-10 2001-09-25 ターボダイン システムズ インコーポレイテッド 内部冷却空気を有するモータ駆動式遠心コンプレッサ
JP2004003472A (ja) * 2002-05-09 2004-01-08 Dana Automotive Ltd ポンプ及びエンジン冷却システム
JP2006333660A (ja) * 2005-05-27 2006-12-07 Toyota Motor Corp モータおよびモータを用いたターボチャージャ
JP2007040255A (ja) * 2005-08-05 2007-02-15 Ishikawajima Harima Heavy Ind Co Ltd 電動機付過給機
JP2008029166A (ja) * 2006-07-25 2008-02-07 Toyota Motor Corp 回転電機の冷却構造および電動過給機
JP2008118742A (ja) * 2006-11-01 2008-05-22 Toyota Motor Corp 回転電動機

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