Hybrid vehicle propulsion apparatus

• US 6,481,517 B1
• Filed: 09/09/1998
• Issued: 11/19/2002
• Est. Priority Date: 09/12/1997
• Status: Expired due to Term

• Current Assignee: Honda Giken Kogyo Kabushiki Kaisha (Honda Motor Company)
• Original Assignee: Honda Giken Kogyo Kabushiki Kaisha (Honda Motor Company)
• Inventors: Kobayashi, Makoto, Tanaka, Shigekazu, Maruyama, Taiji
• Primary Examiner(s): Johnson, Brian L.
• Assistant Examiner(s): PHAN, HAU VAN
• Application Number:
  US09/150,102
• Time in Patent Office: 1,532 Days
• Field of Search: 180/65.2, 180/65.3, 310/86, 310/89, 310/68.B, 310/261, 310/113, 310/92
• US Class Current: 180/65.26
• CPC Class Codes: B60K 6/26 characterised by the motors or the generators
• CPC Class Codes: B60K 6/28 characterised by the electric energy storing means, e.g. batteries or capacitors
• CPC Class Codes: B60K 6/40 characterised by the assembly or relative disposition of components
• CPC Class Codes: B60K 6/405 Housings
• CPC Class Codes: B60K 6/485 Motor-assist type
• CPC Class Codes: B60K 6/54 Transmission for changing ratio
• CPC Class Codes: B60L 50/15 with additional electric power supply with capacitors charged by engine-driven generators B60L50/40; with batteries charged by engine-driven generators B60L50/61
• CPC Class Codes: B60L 50/51 characterised by AC-motors
• CPC Class Codes: F02B 2075/1812 three
• CPC Class Codes: F02B 63/04 for electric generators
• CPC Class Codes: F02B 63/042 Rotating electric generators
• CPC Class Codes: F02B 75/20 with cylinders all in one line
• CPC Class Codes: H02K 7/006 Structural association of a motor or generator with the drive train of a motor vehicle
• CPC Class Codes: H02K 7/1815 structurally associated with reciprocating piston engines general aspects of generating sets, e.g. housing, F02B63/04
• CPC Class Codes: Y02T 10/62 Hybrid vehicles
• CPC Class Codes: Y02T 10/64 Electric machine technologies in electromobility
• CPC Class Codes: Y02T 10/70 Energy storage systems for electromobility, e.g. batteries
• CPC Class Codes: Y02T 10/7072 Electromobility specific charging systems or methods for batteries, ultracapacitors, supercapacitors or double-layer capacitors
• CPC Class Codes: Y10S 903/903 having energy storing means, e.g. battery, capacitor
• CPC Class Codes: Y10S 903/906 Motor or generator
• CPC Class Codes: Y10S 903/917 : with transmission for changing gear ratio
• CPC Class Codes: Y10S 903/951 : Assembly or relative location of components
• CPC Class Codes: Y10S 903/952 : Housing details

Abstract

A motor generator has a rotor directly coupled to a crankshaft and a stator disposed around the rotor. A shield plate is disposed between coils of the stator and an internal combustion engine. A first partition and a second partition are disposed between the coils and a flywheel positioned adjacent to a clutch mechanism.

Claims

1. A hybrid vehicle propulsion apparatus on a hybrid vehicle having a drive axle coupled thereto, comprising:

an internal combustion engine for generating propulsive forces, said internal combustion engine having an output shaft;

a motor generator for generating propulsive forces, said motor generator having a stator and a rotor directly coupled to said output shaft of the internal combustion engine;

a transmission for transmitting the propulsive forces from said internal combustion engine and said motor generator to said drive axle;

a shield member disposed between said internal combustion engine and said stator of said motor generator, for blocking at least one of currents and magnetic fluxes leaking from said motor generator;

said shield member being mounted on said stator; and

spaces being provided between said shield member and said engine, and between said shield member and said motor generator, respectively,

wherein said stator comprises a circular array of coil units electrically connected to connection rings, said shield member having a ridge by which said coil units are fixed to said stator through said connection rings and functioning as an attaching member for fixing said stator to said motor generator.

2. A hybrid vehicle propulsion apparatus according to claim 1, wherein said motor generator has coils energizable by currents from a connector, and said shield member is mounted on said connector.

3. A hybrid vehicle propulsion apparatus according to claim 1, wherein said shield member comprises an electrically insulating plate.

4. A hybrid vehicle propulsion apparatus according to claim 1, wherein said shield member comprises a magnetically insulating plate.

5. A hybrid vehicle propulsion apparatus on a hybrid vehicle having a drive axle coupled thereto, comprising:

an internal combustion engine for generating propulsive forces, said internal combustion engine having an output shaft;

a motor generator for generating propulsive forces, said motor generator having a housing, a stator and a rotor directly coupled to said output shaft of the internal combustion engine;

a transmission for transmitting the propulsive forces from said internal combustion engine and said motor generator to said drive axle;

a shield member disposed between said internal combustion engine and said stator of said motor generator, separate from said housing, for blocking at least one of currents and magnetic fluxes leaking from said motor generator;

spaces being provided between said shield member and said engine, and between said shield member and said motor generator, respectively, and

said shield member being mounted on a cylinder block of said internal combustion engine.

6. A hybrid vehicle propulsion apparatus on a hybrid vehicle having a drive axle coupled thereto, comprising:

an internal combustion engine for generating propulsive forces, said internal combustion engine having an output shaft;

a motor generator for generating propulsive forces, said motor generator having a housing, a stator and a rotor directly coupled to said output shaft of the internal combustion engine;

a transmission for transmitting the propulsive forces from said internal combustion engine and said motor generator to said drive axle;

a shield member disposed between said internal combustion engine and said stator of said motor generator, separate from said housing, for blocking at least one of currents and magnetic fluxes leaking from said motor generator;

spaces being provided between said shield member and said engine, and between said shield member and said motor generator, respectively,

a flywheel being disposed between said motor generator and said transmission and coupled to said rotor; and

a further shield member being disposed between said stator and said flywheel.

7. A hybrid vehicle propulsion apparatus on a hybrid vehicle having a drive axle coupled thereto, comprising:

an internal combustion engine for generating propulsive forces, said internal combustion engine having an output shaft;

a motor generator for generating propulsive forces, said motor generator having a housing, a stator and a rotor directly coupled to said output shaft of the internal combustion engine;

a transmission for transmitting the propulsive forces from said internal combustion engine and said motor generator to said drive axle; and

a shield member disposed between said internal combustion engine and said stator of said motor generator, separate from said housing, for blocking at least one of currents and magnetic fluxes leaking from said motor generator;

spaces being provided between said shield member and said engine, and between said shield member and said motor generator, respectively

a clutch mechanism being disposed between said motor generator and said transmission, for selectively transmitting rotation of said rotor to said transmission; and

a further shield member being disposed between said stator and said clutch mechanism.

8. A hybrid vehicle propulsion apparatus on a hybrid vehicle having a drive axle coupled thereto, comprising:

an internal combustion engine for generating propulsive forces, said internal combustion engine having an output shaft;

a motor generator for generating propulsive forces, said motor generator having a housing, a stator and a rotor directly coupled to said output shaft of the internal combustion engine;

a transmission for transmitting the propulsive forces from said internal combustion engine and said motor generator to said drive axle; and

a shield member disposed between said internal combustion engine and said stator of said motor generator, separate from said housing, for blocking at least one of currents and magnetic fluxes leaking from said motor generator;

spaces being provided between said shield member and said engine, and between said shield member and said motor generator, respectively;

said motor generator comprises a clutch mechanism disposed adjacent to said motor generator, for selectively transmitting the propulsive forces from said internal combustion engine and said motor generator to the transmission; and

a blocking member disposed between said motor generator and said clutch mechanism, for blocking at least one of currents and magnetic fluxes leaking from said motor generator and also for blocking an abrasive powder produced by said clutch mechanism against entry.