WO2023002584A1 - 回転電機 - Google Patents
回転電機 Download PDFInfo
- Publication number
- WO2023002584A1 WO2023002584A1 PCT/JP2021/027210 JP2021027210W WO2023002584A1 WO 2023002584 A1 WO2023002584 A1 WO 2023002584A1 JP 2021027210 W JP2021027210 W JP 2021027210W WO 2023002584 A1 WO2023002584 A1 WO 2023002584A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- cylindrical surface
- inner housing
- housing
- outer housing
- contacts
- Prior art date
Links
- 238000007789 sealing Methods 0.000 claims description 34
- 230000002093 peripheral effect Effects 0.000 claims description 32
- 239000002826 coolant Substances 0.000 claims description 11
- 238000001816 cooling Methods 0.000 claims description 4
- 239000003638 chemical reducing agent Substances 0.000 description 3
- 229910000838 Al alloy Inorganic materials 0.000 description 2
- 238000005266 casting Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000002485 combustion reaction Methods 0.000 description 1
- 238000011109 contamination Methods 0.000 description 1
- 239000000110 cooling liquid Substances 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 239000003507 refrigerant Substances 0.000 description 1
- 230000001360 synchronised effect Effects 0.000 description 1
Images
Classifications
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K5/00—Casings; Enclosures; Supports
- H02K5/04—Casings or enclosures characterised by the shape, form or construction thereof
- H02K5/20—Casings or enclosures characterised by the shape, form or construction thereof with channels or ducts for flow of cooling medium
- H02K5/203—Casings or enclosures characterised by the shape, form or construction thereof with channels or ducts for flow of cooling medium specially adapted for liquids, e.g. cooling jackets
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K2213/00—Specific aspects, not otherwise provided for and not covered by codes H02K2201/00 - H02K2211/00
- H02K2213/03—Machines characterised by numerical values, ranges, mathematical expressions or similar information
Definitions
- the present invention relates to a rotating electric machine having a stator and a rotor.
- WO2020/213052A1 describes a rotating electric machine in which a cylindrical inner housing is provided inside a cylindrical outer housing, and a coolant flow path is formed therebetween.
- an object of the present invention is to provide a rotating electric machine that can more reliably align the tip of the inner housing when the inner housing is assembled into the outer housing.
- a rotating electrical machine includes a cylindrical inner housing that houses a stator and a rotor, a bottomed cylindrical outer housing that covers the outer periphery of the inner housing, and an outer peripheral surface of the inner housing that is formed annularly.
- a first seal member for sealing between the outer peripheral surface of the inner housing and the inner peripheral surface of the outer housing;
- a second sealing member that is accommodated in the formed second groove and seals between the outer peripheral surface of the inner housing and the inner peripheral surface of the outer housing, the first sealing member, the second sealing member, the inner housing, and the outer and a coolant passage formed by an area surrounded by the housing and through which a coolant for cooling the stator flows.
- the inner peripheral surface of the outer housing is provided on the opening side and includes a first cylindrical surface with which the first sealing member contacts, and a second sealing member which has a diameter smaller than that of the first cylindrical surface and is provided closer to the bottom than the first cylindrical surface. and a third cylindrical surface having a diameter smaller than that of the second cylindrical surface and provided closer to the bottom than the second cylindrical surface, into which the tip of the inner housing is press-fitted.
- the first sealing member contacts the first cylindrical surface or the second sealing member contacts the second cylindrical surface before the tip of the inner housing contacts the third cylindrical surface.
- the inner housing can be centered before the tip of the inner housing is press-fitted. Thereby, when assembling the inner housing and the outer housing, the tip portion of the inner housing can be press-fitted into the outer housing without the inner housing being inclined with respect to the outer housing.
- FIG. 1 is a schematic front view of a drive unit having a rotating electric machine according to the present embodiment.
- FIG. 2 is a schematic side view of a drive unit having a rotating electric machine according to this embodiment.
- FIG. 3 is a partial cross-sectional view showing the essential parts of the rotary electric machine according to this embodiment.
- FIG. 4 is a diagram for explaining the dimensional relationship between the inner housing and the outer housing in the rotary electric machine according to this embodiment.
- FIG. 1 is a schematic front view of a drive unit 100 including a rotating electric machine M according to an embodiment.
- FIG. 2 is a schematic diagram of the drive unit 100 viewed from the side.
- FIG. 3 is an axial cross-sectional view showing a main part of the rotating electric machine M. As shown in FIG.
- the drive unit 100 is mounted on the vehicle. As shown in FIGS. 1 and 2, the drive unit 100 includes a rotating electric machine M, an inverter I, and a speed reducer G.
- the drive unit 100 is used, for example, as a drive source for a series hybrid vehicle that runs by driving a rotating electrical machine M using electric power generated by a generator motor (not shown) powered by an internal combustion engine (not shown). be done.
- the drive unit 100 is not limited to this, and may be used as a drive source for an electric vehicle that is driven by battery power, for example.
- an inverter I is arranged above the rotary electric machine M. As shown in FIGS. 1 and 2, an inverter I is arranged above the rotary electric machine M. As shown in FIGS. By fixing the case of the inverter I to the housing of the rotating electrical machine M with bolts, the rotating electrical machine M and the inverter I are integrated.
- the speed reducer G is fixed to the housing of the rotary electric machine M by bolting.
- An input shaft (not shown) of a speed reducer G is connected to the rotary shaft 7 of the rotary electric machine M. As shown in FIG.
- the driving force of the rotary electric machine M is reduced by the reduction gear G and transmitted through the shaft S to the drive wheels (not shown).
- the rotary electric machine M of this embodiment is a motor generator that operates as a motor and a generator. Specifically, the rotary electric machine M operates as a motor that rotates by being supplied with power from a battery (not shown), and functions as a generator when it receives rotational energy from the drive wheels.
- the rotating electrical machine M is, for example, a synchronous rotating electrical machine.
- the rotary electric machine M When operating as an electric motor, the rotary electric machine M operates by applying a three-phase alternating current generated by the inverter I based on a command from a controller (not shown).
- the rotating electric machine M When the rotating electric machine M operates as a generator, it is rotated by driving force from a driving wheel (not shown) to generate electric power and charge a battery.
- the rotating electric machine M has a stator 1 , a rotor 2 , an inner housing 3 that houses the stator 1 and the rotor 2 , and an outer housing 4 that covers the inner housing 3 .
- the stator 1 has a stator core 1a and a stator coil 1b wound around the stator core 1a.
- the rotor 2 is provided on the inner circumference of the stator 1 with a slight gap from the stator 1 .
- the rotor 2 is attached to a rotating shaft 7 and supported rotatably within the stator 1 .
- the inner housing 3 is cylindrical.
- the inner housing 3 is made of, for example, an aluminum alloy and formed by casting or the like.
- the inner housing 3 has a cylindrical portion 3 a that accommodates the stator 1 and the rotor 2 , and a flange portion 3 b that is provided at one end of the cylindrical portion 3 a and abuts against the opening 4 c on the one end side of the outer housing 4 .
- the inner housing 3 is fixed to the outer housing 4 by fastening the flange portion 3 b to the outer housing 4 with bolts 8 .
- the outer peripheral surface of the cylindrical portion 3a of the inner housing 3 is provided with an annular first groove 3c and an annular second groove 3d.
- the first groove 3c and the second groove 3d are spaced apart from each other in the axial direction of the inner housing 3 .
- An O-ring 6a as a first sealing member and an O-ring 6a as a second sealing member for sealing between the outer peripheral surface of the inner housing 3 and the inner peripheral surface of the outer housing 4 are provided in the first groove 3c and the second groove 3d.
- a ring 6b is provided respectively.
- the inner housing 3 further has a rib 3e that protrudes into the region R from the outer peripheral surface of the cylindrical portion 3a and extends spirally along the outer peripheral surface of the cylindrical portion 3a of the inner housing 3.
- the rib 3e is formed with a slight gap from the inner peripheral surface of the outer housing 4. As shown in FIG.
- the outer housing 4 is formed in a cylindrical shape with a bottom.
- the outer housing 4 is made of, for example, an aluminum alloy and formed by casting or the like.
- the outer housing 4 includes a cylindrical portion 4a that covers the outer periphery of the inner housing 3, a bottom portion 4b that closes one end of the cylindrical portion 4a, and a thick portion 4d that is provided on the side of the opening 4c and is thicker than the cylindrical portion 4a. have.
- a coolant passage 5 through which coolant for cooling the stator 1 flows is provided.
- the coolant passage 5 is formed so as to cover the outer periphery of the stator 1 within a region R surrounded by the O-rings 6a, 6b, the outer peripheral surface of the inner housing 3, and the inner peripheral surface of the outer housing 4. .
- the coolant passage 5 is formed so that the coolant flows along the spirally extending ribs 3e provided on the outer peripheral surface of the inner housing 3. formed in
- the inner peripheral surface of the cylindrical portion 4a of the outer housing 4 is provided on the side of the opening portion 4c, and includes a first cylindrical surface 41 with which the O-ring 6a contacts, and a bottom portion 4b having a diameter smaller than that of the first cylindrical surface 41 and extending from the first cylindrical surface 41.
- a second cylindrical surface 42 provided on the side of the inner housing 3 with which the O-ring 6b contacts, and a diameter smaller than that of the second cylindrical surface 42. and a third cylindrical surface 43 .
- the inner housing 3 is inserted through the opening 4c of the outer housing 4, and the tip 3f of the inner housing 3 is press-fitted into the third cylindrical surface 43 of the outer housing 4.
- the inner housing 3 is fixed to the outer housing 4 by fixing the flange portion 3 b of the inner housing 3 to the thick portion 4 d of the outer housing 4 with bolts 8 .
- the inner housing 3 when the inner housing 3 is press-fitted, if the centering of the front end portion 3f of the inner housing 3 is insufficient, the central axes of the inner housing 3 and the outer housing 4 are misaligned, or the inner housing 3 is tilted. As a result, the inner housing 3 may be press-fitted into the outer housing 4 . If the inner housing 3 is press-fitted in such a state, for example, the sealing portions such as the O-rings 6a and 6b will be biased and the refrigerant will leak, or there will be a gap between the inner housing 3 and the outer housing 4. Prying may occur and contamination may occur.
- At least the O-ring 6a is attached to the first cylindrical surface 41 before the tip portion 3f of the inner housing 3 contacts the third cylindrical surface 43 in the axial direction of the inner housing 3.
- the centering of the inner housing 3 is performed by bringing the O-ring 6 b into contact with the second cylindrical surface 42 .
- FIG. 4 shows that when the inner housing 3 is inserted into the outer housing 4 from the opening 4c, the O-ring 6a contacts the first cylindrical surface 41 and the O-ring 6b contacts the second cylindrical surface 41 of the outer housing 4. It is a figure which shows the state which contacted the surface 42.
- FIG. 4 As shown in FIG. 4, when the O-ring 6a contacts the first cylindrical surface 41 and the O-ring 6b contacts the second cylindrical surface 42, the front end portion of the inner housing 3 in the axial direction of the inner housing 3 A gap C exists between 3 f and the third cylindrical surface 43 of the outer housing 4 .
- the O-ring 6a contacts the first cylindrical surface 41
- the O-ring 6b contacts the second cylindrical surface 42. come into contact with
- the axial distance from the end 41a of the first cylindrical surface 41 on the side of the opening 4c to the end 43a of the third cylindrical surface 43 on the side of the opening 4c is D1
- the distance between the end portion 3g on the bottom portion 4b side of the outer peripheral surface of the tip portion 3f in contact with the third cylindrical surface 43 and the center position 3i in the axial direction of the first groove 3c is D2. >D2, the first groove 3c is formed.
- D3 is the distance from the end 42a of the second cylindrical surface 42 on the side of the opening 4c to the end 43a of the third cylindrical surface 43 on the side of the opening 4c, and the end 3g of the tip 3f and the second groove 3d
- the second groove 3d is formed at a position where D3>D4, where D4 is the distance from the center position 3h in the axial direction.
- the O-ring 6 a contacts the first cylindrical surface 41 before the tip portion 3 f of the inner housing 3 contacts the third cylindrical surface 43 . and the O-ring 6b can be brought into contact with the second cylindrical surface 42. As shown in FIG. If the position shown in FIG. 4, that is, the position in the axial direction where the center position 3i of the first groove 3c in the axial direction and the end 41a of the first cylindrical surface 41 on the side of the opening 4c, O The ring 6 a reliably contacts the first cylindrical surface 41 of the outer housing 4 .
- the O-ring 6b is positioned in the second cylinder of the outer housing 4. Ensure contact with surface 42 . Therefore, by arranging the first groove 3c and the second groove 3d at the positions as described above, the O-rings 6a and 6b are placed on the first cylindrical surface 41 and the O-rings 6b, respectively, before the front end portion 3f of the inner housing 3 is press-fitted.
- the inner housing 3 can be centered by contacting the second cylindrical surface 42 .
- the inner housing 3 is further inserted toward the bottom portion 4b of the outer housing 4.
- the tip portion 3 f of the inner housing 3 is press-fitted into the third cylindrical surface 43 .
- the flange portion 3b of the inner housing 3 contacts the opening portion 4c (thick portion 4d) of the outer housing 4. As shown in FIG.
- the flange portion 3b of the inner housing 3 contacts the opening portion 4c (thick portion 4d) of the outer housing 4, the inner A gap D exists between the tip surface 3j of the housing 3 and the outer housing 4.
- the flange portion 3b can be reliably brought into contact with the opening portion 4c (thick portion 4d) of the outer housing 4, so that the distal end surface 3j of the inner housing 3 is pressed against the outer housing 4 and the inner housing 3 deformation can be prevented.
- the inner housing 3 can be centered before the front end portion 3f of the inner housing 3 is press-fitted.
- the central axis of the inner housing 3 is shifted from the central axis of the outer housing 4, or the inner housing 3 is tilted with respect to the outer housing 4. In this state, the front end portion 3f of the inner housing 3 can be prevented from being press-fitted into the outer housing 4. As shown in FIG.
- the case where the O-rings 6a and 6b are in contact with the first cylindrical surface 41 and the second cylindrical surface 42 at the same time has been described as an example. It is not necessary to contact the cylindrical surface 41 and the second cylindrical surface 42 at the same time. Specifically, if the O-rings 6a and 6b are in contact with the first cylindrical surface 41 and the second cylindrical surface 42, respectively, before the tip 3f of the inner housing 3 contacts the third cylindrical surface 43, Since the inner housing 3 is centered at the two O-rings 6a and 6b, the centering of the inner housing 3 can be reliably performed.
- the O-rings 6a and 6b may contact the first cylindrical surface 42. It is preferable to form the first groove 3 c and the second groove 3 d so as to be located outside the surface 41 . In this configuration, the O-ring 6 a contacts the first cylindrical surface 41 after the O-ring 6 b contacts the second cylindrical surface 42 .
- the O-ring 6b configuring the O-ring 6b to contact the second cylindrical surface 42 before the O-ring 6a contacts the first cylindrical surface 41, even if the inner housing 3 is inserted obliquely with respect to the outer housing 4, Even if this is done, the inner housing 3 will incline with the O-ring 6b near the tip 3f as a fulcrum.
- the distance between the O-ring 6b, which serves as a fulcrum, and the tip portion 3f is relatively short, the amount of radial deviation of the tip portion 3f is small. Therefore, by adopting such an arrangement, the amount of radial deviation of the tip portion 3f is reduced, so that it is possible to more reliably prevent the inner housing 3 from being press-fitted into the outer housing 4 in a tilted state.
- the O-ring 6b may contact the second cylindrical surface 42 after the O-ring 6a contacts the first cylindrical surface 41. Even with this configuration, the inner housing 3 is centered at the two O-rings 6a and 6b before the tip 3f of the inner housing 3 contacts the third cylindrical surface 43. Centering of the housing 3 can be performed.
- the O-ring 6a alone should be removed before the tip 3f of the inner housing 3 contacts the third cylindrical surface 43.
- only the O-ring 6b may be brought into contact with the second cylindrical surface 42 before the tip portion 3f of the inner housing 3 contacts the third cylindrical surface 43.
- the inner housing 3 can be centered by the O-ring 6a or 6b before the tip portion 3f of the inner housing 3 is press-fitted into the third cylindrical surface 43. As shown in FIG.
- the rotary electric machine M includes a cylindrical inner housing 3 that houses a stator 1 and a rotor 2, a bottomed cylindrical outer housing 4 that covers the outer periphery of the inner housing 3, and an outer peripheral surface of the inner housing 3 that is formed in an annular shape.
- An O-ring 6a (first sealing member) which is accommodated in the first groove 3c and seals between the outer peripheral surface of the inner housing 3 and the inner peripheral surface of the outer housing 4; an O-ring 6b (second sealing member) which is housed in a second groove 3d formed annularly with a gap from 3c and which seals between the outer peripheral surface of the inner housing 3 and the inner peripheral surface of the outer housing 4; , an O-ring 6a (first sealing member), an O-ring 6b (second sealing member), an inner housing 3, and an outer housing 4, in which a coolant for cooling the stator 1 flows.
- the inner peripheral surface of the outer housing 4 has a first cylindrical surface 41 provided on the side of the opening 4c, with which the O-ring 6a (first seal member) contacts, and a diameter smaller than that of the first cylindrical surface 41.
- a second cylindrical surface 42 provided on the bottom portion 4b side and with which the O-ring 6b (second sealing member) contacts; and a third cylindrical surface 43 into which the tip portion 3f of is press-fitted.
- the O-ring 6b contacts the second cylindrical surface 42 or the O-ring 6a contacts the first cylindrical surface 41 before the tip 3f of the inner housing 3 contacts the third cylindrical surface 43.
- the inner housing 3 can be centered before the front end portion 3f of the inner housing 3 is press-fitted. Therefore, when assembling the inner housing 3 and the outer housing 4 , the tip portion 3 f of the inner housing 3 can be press-fitted into the outer housing 4 without tilting the inner housing 3 with respect to the outer housing 4 .
- the O-rings 6a and 6b come into contact with the first cylindrical surface 41 and the second cylindrical surface 42 before the tip portion 3f of the inner housing 3 is press-fitted.
- the inner housing 3 is centered at the two O-rings 6a and 6b, so that the centering of the inner housing 3 can be ensured.
- one end of the inner housing 3 is provided with a flange portion 3b that abuts on the opening portion 4c of the outer housing 4. As shown in FIG. When the flange portion 3b abuts against the outer housing 4, there is a gap D between the tip surface 3j of the inner housing 3 and the outer housing 4 in the axial direction.
- the flange portion 3b can be reliably brought into contact with the opening portion 4c of the outer housing 4. As a result, it is possible to prevent the inner housing 3 from being excessively deformed due to the front end face 3j of the inner housing 3 being pressed against the outer housing 4 .
- the rotating electrical machine M is a motor-generator
- the rotating electrical machine M may be a generator or an electric motor.
- the rotary electric machine M is not limited to being used as a drive source for vehicles, and may be used in any device.
- the ribs 3e do not necessarily have to be provided.
- the O-rings 6a and 6b are used as the first and second sealing members, but the sealing members may be X-rings or any other type.
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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Motor Or Generator Frames (AREA)
Abstract
Description
Claims (4)
- ステータ及びロータを有する回転電機であって、
前記ステータ及び前記ロータを収容する円筒状のインナーハウジングと、
前記インナーハウジングの外周を覆う有底円筒状のアウターハウジングと、
前記インナーハウジングの外周面に環状に形成された第1溝内に収容され、前記インナーハウジングの外周面と前記アウターハウジングの内周面との間をシールする第1シール部材と、
前記インナーハウジングの外周面に前記第1溝と間隔をあけて環状に形成された第2溝内に収容され、前記インナーハウジングの外周面と前記アウターハウジングの前記内周面との間をシールする第2シール部材と、
前記第1シール部材、前記第2シール部材、前記インナーハウジングと、前記アウターハウジングと、によって囲まれた領域によって形成され、前記ステータを冷却する冷媒が流れる冷媒通路と、を備え、
前記アウターハウジングの前記内周面は、
開口部側に設けられ、前記第1シール部材が接触する第1円筒面と、
前記第1円筒面より小径で前記第1円筒面より底部側に設けられ、前記第2シール部材が接触する第2円筒面と、
前記第2円筒面より小径で前記第2円筒面より底部側に設けられ、前記インナーハウジングの先端部が圧入される第3円筒面と、を有し、
前記インナーハウジングを前記アウターハウジング内に挿入するとき、前記第1シール部材が前記第1円筒面に接触した時点、あるいは前記第2シール部材が前記第2円筒面に接触した時点では、前記インナーハウジングの軸方向において、前記インナーハウジングの前記先端部と前記第3円筒面との間に隙間がある、
回転電機。 - 請求項1に記載の回転電機であって、
前記インナーハウジングを前記アウターハウジング内に挿入するときに、前記第1シール部材が前記第1円筒面に接触するとともに、前記第2シール部材が前記第2円筒面に接触した時点では、前記インナーハウジングの前記軸方向において、前記インナーハウジングの前記先端部と前記第3円筒面との間に隙間がある、
回転電機。 - 請求項2に記載の回転電機であって、
前記インナーハウジングを前記アウターハウジング内に挿入するときに、前記第2シール部材が前記第2円筒面に接触した後、前記第1シール部材が前記第1円筒面に接触する、
回転電機。 - 請求項1から3のいずれか1項に記載の回転電機であって、
前記インナーハウジングの一端には、前記アウターハウジングの前記開口部に当接するフランジ部が設けられ、
前記フランジ部が前記アウターハウジングに当接したときに、前記軸方向において前記インナーハウジングの先端面と前記アウターハウジングとの間に隙間がある、回転電機。
Priority Applications (5)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
PCT/JP2021/027210 WO2023002584A1 (ja) | 2021-07-20 | 2021-07-20 | 回転電機 |
EP21950367.9A EP4376269A1 (en) | 2021-07-20 | 2021-07-20 | Rotating electric machine |
MX2024000688A MX2024000688A (es) | 2021-07-20 | 2021-07-20 | Maquina electrica giratoria. |
CN202180100315.1A CN117642967A (zh) | 2021-07-20 | 2021-07-20 | 旋转电机 |
JP2023536275A JPWO2023002584A1 (ja) | 2021-07-20 | 2021-07-20 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
PCT/JP2021/027210 WO2023002584A1 (ja) | 2021-07-20 | 2021-07-20 | 回転電機 |
Publications (1)
Publication Number | Publication Date |
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WO2023002584A1 true WO2023002584A1 (ja) | 2023-01-26 |
Family
ID=84979022
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/JP2021/027210 WO2023002584A1 (ja) | 2021-07-20 | 2021-07-20 | 回転電機 |
Country Status (5)
Country | Link |
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EP (1) | EP4376269A1 (ja) |
JP (1) | JPWO2023002584A1 (ja) |
CN (1) | CN117642967A (ja) |
MX (1) | MX2024000688A (ja) |
WO (1) | WO2023002584A1 (ja) |
Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE102008035896A1 (de) * | 2008-07-31 | 2010-02-04 | Daimler Ag | Rotierende elektrische Maschine |
DE102011076532A1 (de) * | 2011-05-26 | 2012-11-29 | Zf Friedrichshafen Ag | Elektrodynamische Maschine mit einem Zusatzmantel |
CN204794400U (zh) * | 2014-02-18 | 2015-11-18 | Zf腓特烈斯哈芬股份公司 | 具有流体通道的电机 |
WO2020213052A1 (ja) | 2019-04-16 | 2020-10-22 | 日産自動車株式会社 | 回転電機 |
-
2021
- 2021-07-20 MX MX2024000688A patent/MX2024000688A/es unknown
- 2021-07-20 JP JP2023536275A patent/JPWO2023002584A1/ja active Pending
- 2021-07-20 CN CN202180100315.1A patent/CN117642967A/zh active Pending
- 2021-07-20 WO PCT/JP2021/027210 patent/WO2023002584A1/ja active Application Filing
- 2021-07-20 EP EP21950367.9A patent/EP4376269A1/en active Pending
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE102008035896A1 (de) * | 2008-07-31 | 2010-02-04 | Daimler Ag | Rotierende elektrische Maschine |
DE102011076532A1 (de) * | 2011-05-26 | 2012-11-29 | Zf Friedrichshafen Ag | Elektrodynamische Maschine mit einem Zusatzmantel |
CN204794400U (zh) * | 2014-02-18 | 2015-11-18 | Zf腓特烈斯哈芬股份公司 | 具有流体通道的电机 |
WO2020213052A1 (ja) | 2019-04-16 | 2020-10-22 | 日産自動車株式会社 | 回転電機 |
Also Published As
Publication number | Publication date |
---|---|
MX2024000688A (es) | 2024-02-07 |
JPWO2023002584A1 (ja) | 2023-01-26 |
CN117642967A (zh) | 2024-03-01 |
EP4376269A1 (en) | 2024-05-29 |
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