WO2006090484A1 - 回転電機を有する駆動装置 - Google Patents
回転電機を有する駆動装置 Download PDFInfo
- Publication number
- WO2006090484A1 WO2006090484A1 PCT/JP2005/003563 JP2005003563W WO2006090484A1 WO 2006090484 A1 WO2006090484 A1 WO 2006090484A1 JP 2005003563 W JP2005003563 W JP 2005003563W WO 2006090484 A1 WO2006090484 A1 WO 2006090484A1
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- WIPO (PCT)
- Prior art keywords
- case
- stator
- transaxle
- stator core
- rotating electrical
- Prior art date
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60K—ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS IN VEHICLES
- B60K6/00—Arrangement or mounting of plural diverse prime-movers for mutual or common propulsion, e.g. hybrid propulsion systems comprising electric motors and internal combustion engines ; Control systems therefor, i.e. systems controlling two or more prime movers, or controlling one of these prime movers and any of the transmission, drive or drive units Informative references: mechanical gearings with secondary electric drive F16H3/72; arrangements for handling mechanical energy structurally associated with the dynamo-electric machine H02K7/00; machines comprising structurally interrelated motor and generator parts H02K51/00; dynamo-electric machines not otherwise provided for in H02K see H02K99/00
- B60K6/20—Arrangement or mounting of plural diverse prime-movers for mutual or common propulsion, e.g. hybrid propulsion systems comprising electric motors and internal combustion engines ; Control systems therefor, i.e. systems controlling two or more prime movers, or controlling one of these prime movers and any of the transmission, drive or drive units Informative references: mechanical gearings with secondary electric drive F16H3/72; arrangements for handling mechanical energy structurally associated with the dynamo-electric machine H02K7/00; machines comprising structurally interrelated motor and generator parts H02K51/00; dynamo-electric machines not otherwise provided for in H02K see H02K99/00 the prime-movers consisting of electric motors and internal combustion engines, e.g. HEVs
- B60K6/22—Arrangement or mounting of plural diverse prime-movers for mutual or common propulsion, e.g. hybrid propulsion systems comprising electric motors and internal combustion engines ; Control systems therefor, i.e. systems controlling two or more prime movers, or controlling one of these prime movers and any of the transmission, drive or drive units Informative references: mechanical gearings with secondary electric drive F16H3/72; arrangements for handling mechanical energy structurally associated with the dynamo-electric machine H02K7/00; machines comprising structurally interrelated motor and generator parts H02K51/00; dynamo-electric machines not otherwise provided for in H02K see H02K99/00 the prime-movers consisting of electric motors and internal combustion engines, e.g. HEVs characterised by apparatus, components or means specially adapted for HEVs
- B60K6/26—Arrangement or mounting of plural diverse prime-movers for mutual or common propulsion, e.g. hybrid propulsion systems comprising electric motors and internal combustion engines ; Control systems therefor, i.e. systems controlling two or more prime movers, or controlling one of these prime movers and any of the transmission, drive or drive units Informative references: mechanical gearings with secondary electric drive F16H3/72; arrangements for handling mechanical energy structurally associated with the dynamo-electric machine H02K7/00; machines comprising structurally interrelated motor and generator parts H02K51/00; dynamo-electric machines not otherwise provided for in H02K see H02K99/00 the prime-movers consisting of electric motors and internal combustion engines, e.g. HEVs characterised by apparatus, components or means specially adapted for HEVs characterised by the motors or the generators
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- B—PERFORMING OPERATIONS; TRANSPORTING
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- B60K—ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS IN VEHICLES
- B60K6/00—Arrangement or mounting of plural diverse prime-movers for mutual or common propulsion, e.g. hybrid propulsion systems comprising electric motors and internal combustion engines ; Control systems therefor, i.e. systems controlling two or more prime movers, or controlling one of these prime movers and any of the transmission, drive or drive units Informative references: mechanical gearings with secondary electric drive F16H3/72; arrangements for handling mechanical energy structurally associated with the dynamo-electric machine H02K7/00; machines comprising structurally interrelated motor and generator parts H02K51/00; dynamo-electric machines not otherwise provided for in H02K see H02K99/00
- B60K6/20—Arrangement or mounting of plural diverse prime-movers for mutual or common propulsion, e.g. hybrid propulsion systems comprising electric motors and internal combustion engines ; Control systems therefor, i.e. systems controlling two or more prime movers, or controlling one of these prime movers and any of the transmission, drive or drive units Informative references: mechanical gearings with secondary electric drive F16H3/72; arrangements for handling mechanical energy structurally associated with the dynamo-electric machine H02K7/00; machines comprising structurally interrelated motor and generator parts H02K51/00; dynamo-electric machines not otherwise provided for in H02K see H02K99/00 the prime-movers consisting of electric motors and internal combustion engines, e.g. HEVs
- B60K6/22—Arrangement or mounting of plural diverse prime-movers for mutual or common propulsion, e.g. hybrid propulsion systems comprising electric motors and internal combustion engines ; Control systems therefor, i.e. systems controlling two or more prime movers, or controlling one of these prime movers and any of the transmission, drive or drive units Informative references: mechanical gearings with secondary electric drive F16H3/72; arrangements for handling mechanical energy structurally associated with the dynamo-electric machine H02K7/00; machines comprising structurally interrelated motor and generator parts H02K51/00; dynamo-electric machines not otherwise provided for in H02K see H02K99/00 the prime-movers consisting of electric motors and internal combustion engines, e.g. HEVs characterised by apparatus, components or means specially adapted for HEVs
- B60K6/36—Arrangement or mounting of plural diverse prime-movers for mutual or common propulsion, e.g. hybrid propulsion systems comprising electric motors and internal combustion engines ; Control systems therefor, i.e. systems controlling two or more prime movers, or controlling one of these prime movers and any of the transmission, drive or drive units Informative references: mechanical gearings with secondary electric drive F16H3/72; arrangements for handling mechanical energy structurally associated with the dynamo-electric machine H02K7/00; machines comprising structurally interrelated motor and generator parts H02K51/00; dynamo-electric machines not otherwise provided for in H02K see H02K99/00 the prime-movers consisting of electric motors and internal combustion engines, e.g. HEVs characterised by apparatus, components or means specially adapted for HEVs characterised by the transmission gearings
- B60K6/365—Arrangement or mounting of plural diverse prime-movers for mutual or common propulsion, e.g. hybrid propulsion systems comprising electric motors and internal combustion engines ; Control systems therefor, i.e. systems controlling two or more prime movers, or controlling one of these prime movers and any of the transmission, drive or drive units Informative references: mechanical gearings with secondary electric drive F16H3/72; arrangements for handling mechanical energy structurally associated with the dynamo-electric machine H02K7/00; machines comprising structurally interrelated motor and generator parts H02K51/00; dynamo-electric machines not otherwise provided for in H02K see H02K99/00 the prime-movers consisting of electric motors and internal combustion engines, e.g. HEVs characterised by apparatus, components or means specially adapted for HEVs characterised by the transmission gearings with the gears having orbital motion
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- B60K—ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS IN VEHICLES
- B60K6/00—Arrangement or mounting of plural diverse prime-movers for mutual or common propulsion, e.g. hybrid propulsion systems comprising electric motors and internal combustion engines ; Control systems therefor, i.e. systems controlling two or more prime movers, or controlling one of these prime movers and any of the transmission, drive or drive units Informative references: mechanical gearings with secondary electric drive F16H3/72; arrangements for handling mechanical energy structurally associated with the dynamo-electric machine H02K7/00; machines comprising structurally interrelated motor and generator parts H02K51/00; dynamo-electric machines not otherwise provided for in H02K see H02K99/00
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- B60K6/22—Arrangement or mounting of plural diverse prime-movers for mutual or common propulsion, e.g. hybrid propulsion systems comprising electric motors and internal combustion engines ; Control systems therefor, i.e. systems controlling two or more prime movers, or controlling one of these prime movers and any of the transmission, drive or drive units Informative references: mechanical gearings with secondary electric drive F16H3/72; arrangements for handling mechanical energy structurally associated with the dynamo-electric machine H02K7/00; machines comprising structurally interrelated motor and generator parts H02K51/00; dynamo-electric machines not otherwise provided for in H02K see H02K99/00 the prime-movers consisting of electric motors and internal combustion engines, e.g. HEVs characterised by apparatus, components or means specially adapted for HEVs
- B60K6/40—Arrangement or mounting of plural diverse prime-movers for mutual or common propulsion, e.g. hybrid propulsion systems comprising electric motors and internal combustion engines ; Control systems therefor, i.e. systems controlling two or more prime movers, or controlling one of these prime movers and any of the transmission, drive or drive units Informative references: mechanical gearings with secondary electric drive F16H3/72; arrangements for handling mechanical energy structurally associated with the dynamo-electric machine H02K7/00; machines comprising structurally interrelated motor and generator parts H02K51/00; dynamo-electric machines not otherwise provided for in H02K see H02K99/00 the prime-movers consisting of electric motors and internal combustion engines, e.g. HEVs characterised by apparatus, components or means specially adapted for HEVs characterised by the assembly or relative disposition of components
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- B60—VEHICLES IN GENERAL
- B60K—ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS IN VEHICLES
- B60K6/00—Arrangement or mounting of plural diverse prime-movers for mutual or common propulsion, e.g. hybrid propulsion systems comprising electric motors and internal combustion engines ; Control systems therefor, i.e. systems controlling two or more prime movers, or controlling one of these prime movers and any of the transmission, drive or drive units Informative references: mechanical gearings with secondary electric drive F16H3/72; arrangements for handling mechanical energy structurally associated with the dynamo-electric machine H02K7/00; machines comprising structurally interrelated motor and generator parts H02K51/00; dynamo-electric machines not otherwise provided for in H02K see H02K99/00
- B60K6/20—Arrangement or mounting of plural diverse prime-movers for mutual or common propulsion, e.g. hybrid propulsion systems comprising electric motors and internal combustion engines ; Control systems therefor, i.e. systems controlling two or more prime movers, or controlling one of these prime movers and any of the transmission, drive or drive units Informative references: mechanical gearings with secondary electric drive F16H3/72; arrangements for handling mechanical energy structurally associated with the dynamo-electric machine H02K7/00; machines comprising structurally interrelated motor and generator parts H02K51/00; dynamo-electric machines not otherwise provided for in H02K see H02K99/00 the prime-movers consisting of electric motors and internal combustion engines, e.g. HEVs
- B60K6/22—Arrangement or mounting of plural diverse prime-movers for mutual or common propulsion, e.g. hybrid propulsion systems comprising electric motors and internal combustion engines ; Control systems therefor, i.e. systems controlling two or more prime movers, or controlling one of these prime movers and any of the transmission, drive or drive units Informative references: mechanical gearings with secondary electric drive F16H3/72; arrangements for handling mechanical energy structurally associated with the dynamo-electric machine H02K7/00; machines comprising structurally interrelated motor and generator parts H02K51/00; dynamo-electric machines not otherwise provided for in H02K see H02K99/00 the prime-movers consisting of electric motors and internal combustion engines, e.g. HEVs characterised by apparatus, components or means specially adapted for HEVs
- B60K6/40—Arrangement or mounting of plural diverse prime-movers for mutual or common propulsion, e.g. hybrid propulsion systems comprising electric motors and internal combustion engines ; Control systems therefor, i.e. systems controlling two or more prime movers, or controlling one of these prime movers and any of the transmission, drive or drive units Informative references: mechanical gearings with secondary electric drive F16H3/72; arrangements for handling mechanical energy structurally associated with the dynamo-electric machine H02K7/00; machines comprising structurally interrelated motor and generator parts H02K51/00; dynamo-electric machines not otherwise provided for in H02K see H02K99/00 the prime-movers consisting of electric motors and internal combustion engines, e.g. HEVs characterised by apparatus, components or means specially adapted for HEVs characterised by the assembly or relative disposition of components
- B60K6/405—Housings
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- B60K6/00—Arrangement or mounting of plural diverse prime-movers for mutual or common propulsion, e.g. hybrid propulsion systems comprising electric motors and internal combustion engines ; Control systems therefor, i.e. systems controlling two or more prime movers, or controlling one of these prime movers and any of the transmission, drive or drive units Informative references: mechanical gearings with secondary electric drive F16H3/72; arrangements for handling mechanical energy structurally associated with the dynamo-electric machine H02K7/00; machines comprising structurally interrelated motor and generator parts H02K51/00; dynamo-electric machines not otherwise provided for in H02K see H02K99/00
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- B60K6/44—Series-parallel type
- B60K6/445—Differential gearing distribution type
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- B60L15/00—Methods, circuits, or devices for controlling the traction-motor speed of electrically-propelled vehicles
- B60L15/20—Methods, circuits, or devices for controlling the traction-motor speed of electrically-propelled vehicles for control of the vehicle or its driving motor to achieve a desired performance, e.g. speed, torque, programmed variation of speed
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16H—GEARING
- F16H3/00—Toothed gearings for conveying rotary motion with variable gear ratio or for reversing rotary motion
- F16H3/44—Toothed gearings for conveying rotary motion with variable gear ratio or for reversing rotary motion using gears having orbital motion
- F16H3/72—Toothed gearings for conveying rotary motion with variable gear ratio or for reversing rotary motion using gears having orbital motion with a secondary drive, e.g. regulating motor, in order to vary speed continuously
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- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16H—GEARING
- F16H37/00—Combinations of mechanical gearings, not provided for in groups F16H1/00 - F16H35/00
- F16H37/02—Combinations of mechanical gearings, not provided for in groups F16H1/00 - F16H35/00 comprising essentially only toothed or friction gearings
- F16H37/06—Combinations of mechanical gearings, not provided for in groups F16H1/00 - F16H35/00 comprising essentially only toothed or friction gearings with a plurality of driving or driven shafts; with arrangements for dividing torque between two or more intermediate shafts
- F16H37/08—Combinations of mechanical gearings, not provided for in groups F16H1/00 - F16H35/00 comprising essentially only toothed or friction gearings with a plurality of driving or driven shafts; with arrangements for dividing torque between two or more intermediate shafts with differential gearing
- F16H37/0833—Combinations of mechanical gearings, not provided for in groups F16H1/00 - F16H35/00 comprising essentially only toothed or friction gearings with a plurality of driving or driven shafts; with arrangements for dividing torque between two or more intermediate shafts with differential gearing with arrangements for dividing torque between two or more intermediate shafts, i.e. with two or more internal power paths
- F16H37/084—Combinations of mechanical gearings, not provided for in groups F16H1/00 - F16H35/00 comprising essentially only toothed or friction gearings with a plurality of driving or driven shafts; with arrangements for dividing torque between two or more intermediate shafts with differential gearing with arrangements for dividing torque between two or more intermediate shafts, i.e. with two or more internal power paths at least one power path being a continuously variable transmission, i.e. CVT
- F16H2037/0866—Power split variators with distributing differentials, with the output of the CVT connected or connectable to the output shaft
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16H—GEARING
- F16H2200/00—Transmissions for multiple ratios
- F16H2200/20—Transmissions using gears with orbital motion
- F16H2200/2002—Transmissions using gears with orbital motion characterised by the number of sets of orbital gears
- F16H2200/2007—Transmissions using gears with orbital motion characterised by the number of sets of orbital gears with two sets of orbital gears
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/60—Other road transportation technologies with climate change mitigation effect
- Y02T10/62—Hybrid vehicles
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/60—Other road transportation technologies with climate change mitigation effect
- Y02T10/64—Electric machine technologies in electromobility
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/60—Other road transportation technologies with climate change mitigation effect
- Y02T10/70—Energy storage systems for electromobility, e.g. batteries
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/60—Other road transportation technologies with climate change mitigation effect
- Y02T10/7072—Electromobility specific charging systems or methods for batteries, ultracapacitors, supercapacitors or double-layer capacitors
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/60—Other road transportation technologies with climate change mitigation effect
- Y02T10/72—Electric energy management in electromobility
Definitions
- the present invention relates to a driving device having a rotating electric machine, and more particularly to a driving device having a rotating electric machine mounted on a vehicle.
- a drive device having a rotating electrical machine mounted on a vehicle is disclosed in, for example, Japanese Patent Application Laid-Open No. 2004-254434 (Reference 1).
- the rotating electrical machine JP 2003-191759 A (reference 2), JP 59-209053 (reference 3), JP 2001-69717 (reference 4), JP 2002 _ 1 It is disclosed in the 71717 gazette (reference 5). Disclosure of the invention
- the present invention has been made to solve the above-described problems, and an object thereof is to provide a drive device having a rotating electrical machine capable of reducing the generation of noise.
- a drive device having a rotating electrical machine includes a case having an opening, a rotating electrical machine having a stator housed in the case opening, a gear housed in the case and connected to the rotating electrical machine, and an opening. And a fixing member for fixing the rotating electric machine to the case.
- the stator has first and second thrust end faces that define an axial length, and the first thrust end face is pressed against the inner surface of the case.
- the first slurry of the stator is provided. Since the strike end face is pressed against the inner surface of the case, the case and the stator are integrated, and the apparent mass of the case increases. As a result, the case itself can be prevented from vibrating and noise generation can be reduced.
- the stator has a stator core, and the stator core contacts the inner surface of the case.
- one end of the stator core is in contact with the inner surface of the case.
- stator and the inner surface of the case are in contact with each other on the lower side in the vertical direction of the stator.
- the drive device having the rotating electrical machine further includes a pressing member that presses the stator core in the radial direction (radial direction of the stator) to bring the outer peripheral surface of the stator core into contact with the inner surface of the case.
- the pressing member is fixed to the stator core by a fixture.
- stator core and the inner surface of the case are in contact with each other on the side in contact with the case cover.
- stator has a coil, and the coil and the cover are in contact with each other.
- FIG. 1 is a cross-sectional view of a transaxle according to Embodiment 1 of the present invention.
- FIG. 2 is a block diagram showing a vibration transmission path.
- FIG. 3 is a sectional view of a transaxle according to the second embodiment of the present invention.
- FIG. 4 is an enlarged front view of the fixing bracket in FIG.
- FIG. 5 is a cross-sectional view taken along line V—V in FIG.
- FIG. 6 is a cross-sectional view of a transaxle according to Embodiment 3 of the present invention.
- FIG. 7 is a side view of the transaxle as seen from the direction indicated by arrow V I I in FIG. BEST MODE FOR CARRYING OUT THE INVENTION
- FIG. 1 is a cross-sectional view of a transaxle according to Embodiment 1 of the present invention.
- transaxle 1 according to the first embodiment of the present invention includes a transaxle case 20 and a transaxle case 20 and a transaxle that seal the ends of transaxle case 20
- Transaxle damper 5 0 first rotating electrical machine 1 0 0, 2nd rotating electrical machine 2 0 0, front planetary gear 3 0 0, rear planetary gear 4 0 0, power transmission device 6 0 0 is stored.
- a second rotary electric machine 200 as a driving motor and a first rotary electric machine 100 as a generator for power generation are incorporated.
- the transaxle damper 50 0 is a mechanism for transmitting a driving force from a shaft 5 0 1 connected to the engine, and is composed of a coil spring type damper. In addition, by having a torque fluctuation absorption mechanism using a dry single plate friction material, it has the function of absorbing torque fluctuation in the driving force from the engine.
- the first rotating electrical machine 100 is provided on the outer periphery of the transaxle damper 50 0, and is a rotor shaft 15 50 that is a rotating body, and a port provided on the outer periphery of the rotor shaft 15 50 and the rotor 140
- the first rotating electrical machine 100 acts as a generator, but is not limited to this, and the first rotating electrical machine 10 0
- switching may be performed so that the first rotating electrical machine 100 plays the role of either a motor / generator as necessary.
- the rotor shaft 15 50 is located on the outer periphery of the main shaft 3 10 and can rotate independently of the main shaft 3 10.
- the rotor shaft 1 5 0 is supported by the transaxle housing 1 0 with bearings.
- a rotor 140 is fixed to the outer periphery of the rotor shaft 150.
- the rotor 140 is made of laminated magnetic steel sheets, and permanent magnets extending in the thrust direction in the magnetic steel sheets.
- the structure is embedded with stones.
- the first rotating electrical machine 100 is a so-called AC three-phase motor, and rotates the rotor 140 by applying electromagnetic force to the rotor 140.
- the stator 1 3 0 is fixed to the transaxle housing 10 with bolts 1 1 5 so as to face the rotor 1 4 0.
- Stator 130 has a stator core 110 formed by laminating electromagnetic steel plates, and a coil 120 wound around stator core 110. As for the winding method of the coil 120, it is possible to employ either distributed or concentrated winding.
- the first thrust end surface 1 1 1 that is one end surface of the annular stator core 1 10 is in contact with the transaxle housing 10, and the second thrust end surface 1 1 2 that is the other end surface is the transaxle housing.
- Uzing 1 Separated from 0. A front planetary gear 300 is provided around the main shaft 30 so as to be adjacent to the first rotating electrical machine 100.
- the floating planetary gear 3 0 0 is a sun gear 3 0 1, a pinion gear 3 ⁇ 2 that mates with the sun gear 3 0 1, a ring gear 3 0 3 that mates with the pinion gear 3 0 2, and a planetary carrier 3 that holds the pinion gear 3 0 2 0-4.
- the sun gear 3 0 1 is connected to the rotor shaft 1 5 0 and rotates together with the rotor shaft 1 5 0.
- the planetary carrier 3 0 4 rotates with the main shaft 3 1 0.
- the ring gear 3 0 3 is held in the transaxle housing 10 by a counter drive bearing 3 2 1.
- the second rotating electrical machine 200 is a motor in this embodiment. However, the second rotating electrical machine 200 is not limited to a motor and may be driven as a generator. Furthermore, switching may be performed so as to play a role of either a motor / generator as required.
- the rotor shaft 2 50 is held by the transaxle case 20 via the rotor shaft bearing 3 2 2 and is integrated with the rotor 2 40.
- the rotor 240 is constructed by laminating electromagnetic steel plates, and has a structure in which permanent magnets are embedded in the electromagnetic steel plates.
- the stator 2 30 is disposed in the transaxle case 20 so as to face the outer periphery of the rotor 2 40.
- Stator 2 3 0 is a stator formed by laminating electrical steel sheets. And a coil 2 2 0 attached to the stator core 2 1 0.
- the stator core 2 10 has a first thrust end face 2 1 1 and a second thrust end face 2 1 2 that define the axial length thereof.
- the first thrust end surface 2 1 1 is an end surface on the side close to the engine, and the second thrust end surface 2 1 2 is an end surface on the side far from the engine.
- a space between the first thrust end surface 2 1 1 and the second thrust end surface 2 1 2 is an outer peripheral surface 2 1 3 as a radial surface, and the outer peripheral surface 2 1 3 is formed in a cylindrical shape.
- the first thrust end face 2 1 1 is in direct contact with the transaxle case 20.
- the second thrust end surface 2 1 2 is not in direct contact with the inner surface 21 of the transaxle case 20.
- a hole is provided through the stator core 2 10, and a bolt 2 15 is inserted into the hole. The port 2 15 is screwed into the wall of the transaxle case 20 and presses the stator core 2 10 in the axial direction.
- the first thrust end face 2 1 1 of the stator core 2 1 0 is pressed against the transaxle case 2 0.
- a plurality of bolts 2 1 5 are arranged on the circumference.
- the outer peripheral surface 2 1 3 is in contact with the inner surface 2 1 of the transaxle case 20.
- This contact may be a line contact or a surface contact.
- a member for attenuating vibration may be combined with the contact area.
- a vibration damping member is interposed between the inner surface 21 and the outer peripheral surface 2 13.
- Rear planetary gear 4 0 0 is arranged adjacent to second rotating electrical machine 2 0 0.
- the rear planetary gear 4 0 0 is a sun gear 4 0 1 connected to the rotor shaft 2 5 0, a pinion gear 4 0 2 that mates with the sun gear 4 0 1, a ring gear 3 0 3 that mates with the pin gear 4 0 2, and a pinion gear 4 0 2 and planetary carrier 4 0 4.
- the ring gear 3 0 3 is common to the front planetary gear 3 0 0 and the rear planetary gear 4 0 0, and power is transmitted between the front planetary gear 3 0 0 and the rear planetary gear 4 0 0 via the ring gear 3 0 3. Done.
- the power transmission device 6 0 0 is a driven gear 6 0 1 that meshes with the outer peripheral teeth of the ring gear 3 0 3, a pinion gear 6 0 2 that is connected to the driven gear 6 0 1, a ring gear 6 0 3 that meshes with the pinion gear 6 0 2, A differential case 6 0 4 that is held by the ring gear 6 0 3 and rotates with the ring gear 6 0 3, and a pinio that is stored in the differential case 6 0 4 Connected to the inner shaft 60 5, the pinion gear 6 0 6 that can be rotated and revolved on the pinion shaft 60 5, the side gear 6 0 7 that mates with the pinion gear 6 0 6, and the side gear 6 ⁇ 7 Drive shaft 6 0 8.
- the transaxle case 20 has an opening 24 as an internal space, and the transaxle rear cover 30 seals this opening.
- 3 0 is a lid, and is positioned so as to face the end surface of the shaft 3 1 1.
- the transaxle rear cover 30 is connected to the transaxle case 20 by bolts 35 and serves as an end face of the transaxle 1.
- Transaxle 1 The 1 ⁇ side is connected to the engine, and the transaxle rear side is located away from the engine. Therefore, when viewed as a whole of the transaxle 1, the transaxle housing 10 is a fixed end of vibration, and the transaxle rear cover 30 side is a free end of vibration.
- a transaxle 1 as a drive device having a rotating electrical machine includes a transaxle case 20 having an opening 24 and a second rotating electrical machine 2 housed in the opening 24 of the transaxle case 20. 0 0, and sun gear 4 0 1, pinion gear 4 0 2, ring gear 3 0 3, and opening 2 4 as gears housed in transaxle case 20 and connected to second rotating electrical machine 2 0
- a transaxle rear cover 30 to be sealed and a bolt 2 15 as a fixture for fixing the second rotary electric machine 20 ° to the transaxle case 20 are provided.
- the stator 2 30 has first and second thrust end faces 2 1 1 and 2 1 2 that define the length in the axial direction. The first thrust end face 2 1 1 is pressed against the inner surface 21 of the transaxle case 20.
- the stator 2 3 0 has a stator core 2 1 0, and the stator core 2 1 0 contacts the inner surface 2 1 of the transaxle case 2 0. One end of the stator core 2 10 is in contact with the inner surface 21 of the transaxle case 20.
- FIG. 2 is a block diagram showing a vibration transmission path in the transaxle.
- vibration occurs in rear planetary gear 400. This vibration is caused by the sun gear 4 0 1, the pinion gear 4 0 2, and the ring gear 3 0 3 which are helical gears constituting the rear planetary gear 4 0 0. Scraped. Part of the vibration is transmitted to the transaxle rear cover 30 via the rotor shaft bearing 3 2 2 and the transaxle case 20 . Also, the vibration generated in the rear planetary gear 400 is returned to the transaxle case 20 again via the force motor drive bearing 3 21, the transaxle case 20, and the stator 230, and the transaxle case 20 Causes the transaxle cover to resonate.
- FIG. 3 is a sectional view of a transaxle according to the second embodiment of the present invention.
- stator 2 30 is fixed to transaxle case 20 by fixing bracket 2 61.
- the stator 2 3 0 is fixed to the transaxle case 20 in a cantilevered state with bolts 2 1 5 with a clearance fit.
- the fixing metal 2 6 1 is sandwiched between the bearing surface of the bolt 2 1 5 and the stator core 2 1 0 to position the stator 2 3 0.
- the fixture 2 6 1 has a wedge-shaped tip 2 6 3 and is made of spring steel.
- the tip 2 6 3 bites between the transaxle case 20 and the stator core 2 10 and elastically deforms.
- the tip portions 2 6 3 may be plastically deformed.
- a gap for inserting a spring steel wedge is provided between the stator core 2 10 and the transaxle case 20.
- the fixing bracket 2 61 is made of spring steel, but is not limited to this, and may be made of plastic, for example.
- the fixing bracket 2 6 1 sandwiches the hardened member 2 6 2. Tip 2 6 3 Force S transaxle case 2 0 and stator core 2 1 0, so that tip 2 6 3 is stator core 2 Press 1 0 in the radial direction.
- FIG. 4 is an enlarged front view of the fixing bracket in FIG.
- FIG. 5 is a sectional view taken along line V—V in FIG.
- fixing metal fitting 2 6 1 has a curved shape, and its tip is bent into a “V” shape to form tip 2 6 3.
- the upper side of the fixture 2 6 1 is U-shaped and is shaped to accept Port 2 1 5.
- Through holes 2 6 6 and 2 6 5 are provided in the hardened member 2 62 and the fixing bracket 2 61, and bolts 2 15 pass through the through holes 2 6 6 and 2 6 5.
- the hardening member 2 62 is a member that hardens after plastic deformation and can come into contact with the tip 2 63.
- a plurality or a single number of fixing brackets 2 61 may be provided, and preferably three or more are provided.
- the tip 2 6 3 of the fixing bracket 2 6 1 enters between the transaxle case 2 0 and the stator core 2 1 0, and the stator 2 3 0 is centered without being eccentric with respect to the rotor shaft 2 5 0 .
- the bolt 2 1 5 is further tightened, the rear end portion of the front end portion 2 6 3 bites into the hardened member 2 6 2 and is plastically deformed, and then the work is hardened.
- 0 is fixed while being centered without being eccentric with respect to the rotor shaft 250.
- a fixing bracket as a pressing member that contacts the outer peripheral surface 2 1 3 of the stator core 2 1 0 to the inner surface 2 1 of the transaxle case 2 0 by pressing the stator core 2 1 0 in the radial direction. 2 6 1 is provided.
- the fixing metal 2 6 1 is fixed to the stator core 2 1 0 by the polio 2 1 5.
- FIG. 6 is a cross-sectional view of a transaxle according to Embodiment 3 of the present invention.
- transformer 2 according to Embodiment 1 is different in that coil 2 20 is in contact with transaxle rear cover 30.
- Axle 1 that is, by bringing the transaxle rear cover 30 and coinore 220 into contact with each other, they are integrated, and the apparent mass of the transaxle rear cover 30 is increased. This allows Transax Luria cover Prevents resonance of 3 ⁇ and reduces emission noise.
- an adhesive or the like may be interposed between them. Further, a material that attenuates vibration may be sandwiched between the translucent rear cover 30 and the coin 220.
- the transaxle according to the third embodiment configured as described above has the same effect as the transaxle according to the first embodiment.
- FIG. 7 is a side view of the transaxle viewed from the direction indicated by arrow VII in FIG.
- various portions of the stator core 2 10 are brought into contact with the transaxle case 20, and it was investigated which portion can be brought into contact with the most to reduce noise.
- the direction indicated by arrow G in Fig. 7 is the downward direction in the vertical direction.
- the stator core 2 10 and the transaxle case 20 were connected to each of the 4 regions 7 2 4 and the fifth region 7 2 5 on the right side.
- stator 2 30 may be impregnated with a certain amount or more of a binding material such as varnish to increase the coupling strength between the stator core 2 10 and the coil 2 20, thereby improving the damping performance of the stator 2 30.
- a binding material such as varnish
- the strength of the coupling between the stator core 2 10 and the coil 2 20 may be increased with a material other than the varnish that increases the coupling rigidity.
- the present invention can be used, for example, in the field of drive devices having an electric motor mounted on a vehicle.
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Transportation (AREA)
- Power Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- General Engineering & Computer Science (AREA)
- Sustainable Development (AREA)
- Sustainable Energy (AREA)
- Life Sciences & Earth Sciences (AREA)
- Motor Or Generator Frames (AREA)
- Connection Of Motors, Electrical Generators, Mechanical Devices, And The Like (AREA)
- Iron Core Of Rotating Electric Machines (AREA)
- Arrangement Or Mounting Of Propulsion Units For Vehicles (AREA)
Abstract
Description
Claims
Priority Applications (6)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US11/794,270 US8097997B2 (en) | 2005-02-24 | 2005-02-24 | Driving device with rotating electric machine |
KR1020077021640A KR100937757B1 (ko) | 2005-02-24 | 2005-02-24 | 회전전기기계를 구비한 구동장치 |
PCT/JP2005/003563 WO2006090484A1 (ja) | 2005-02-24 | 2005-02-24 | 回転電機を有する駆動装置 |
DE112005003440T DE112005003440T5 (de) | 2005-02-24 | 2005-02-24 | Antriebsvorrichtung mit rotierender elektrischer Maschine |
JP2007504614A JP4697224B2 (ja) | 2005-02-24 | 2005-02-24 | 回転電機を有する駆動装置 |
CN2005800476426A CN101111984B (zh) | 2005-02-24 | 2005-02-24 | 具有旋转电机的驱动设备 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
PCT/JP2005/003563 WO2006090484A1 (ja) | 2005-02-24 | 2005-02-24 | 回転電機を有する駆動装置 |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2006090484A1 true WO2006090484A1 (ja) | 2006-08-31 |
Family
ID=36927135
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/JP2005/003563 WO2006090484A1 (ja) | 2005-02-24 | 2005-02-24 | 回転電機を有する駆動装置 |
Country Status (6)
Country | Link |
---|---|
US (1) | US8097997B2 (ja) |
JP (1) | JP4697224B2 (ja) |
KR (1) | KR100937757B1 (ja) |
CN (1) | CN101111984B (ja) |
DE (1) | DE112005003440T5 (ja) |
WO (1) | WO2006090484A1 (ja) |
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JP2020167861A (ja) * | 2019-03-29 | 2020-10-08 | 日本電産株式会社 | モータ、駆動装置 |
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JP7310287B2 (ja) | 2019-05-14 | 2023-07-19 | ニデック株式会社 | モータユニット |
Also Published As
Publication number | Publication date |
---|---|
DE112005003440T5 (de) | 2009-03-12 |
JP4697224B2 (ja) | 2011-06-08 |
US20080106163A1 (en) | 2008-05-08 |
US8097997B2 (en) | 2012-01-17 |
KR20070107775A (ko) | 2007-11-07 |
JPWO2006090484A1 (ja) | 2008-07-24 |
CN101111984B (zh) | 2013-09-04 |
CN101111984A (zh) | 2008-01-23 |
KR100937757B1 (ko) | 2010-01-20 |
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