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Drive apparatus for hybrid vehicle
   
Document Number
US Patent 7239033
Issued Date
July 3, 2007
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Abstract
A drive apparatus for a hybrid vehicle is provided with a first motor generator, a power splitting mechanism portion, and a second motor generator. The first motor generator functions mainly as a generator. The power splitting mechanism portion divides the power generated by the engine into power for the first motor generator and power for driven wheels. The second motor generator has an outside diameter that is smaller than the outside diameter of the first motor generator and is arranged on the side of the first motor generator opposite the engine. Further, a speed reducing mechanism portion which has an outside diameter smaller than the outside diameter of the second motor generator and which reduces the rotation speed of the second motor generator is provided on the side of the second motor generator opposite the engine.
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Number of Claims:
3
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Owner
Published
July 3, 2007
Application Number
10/498,828
Filed
December 23, 2002
US Classification
290/40C  
Int'l Classification
B60K   5/00   (20060101)  
Examiner
Priority Data
Dec 26, 2001 [JP] 2001-394459 Dec 26, 2001 [JP] 2001-394460
USPTO Field of Search
290/40C  
Related Patents
7582980 - Drive apparatus for hybrid vehicle - Owned by Toyota Jidosha Kabushiki Kaisha (Toyota-shi,JP)

A drive apparatus for a hybrid vehicle is provided with a first motor generator, a power splitting mechanism portion, and a second motor generator. The first motor generator functions mainly as a generator. The power splitting mechanism portion divides the power generated by the engine into power for the first motor generator and power for driven wheels. The second motor generator has an outside diameter that is smaller than the outside diameter of the first motor generator and is arranged on the side of the first motor generator opposite the engine. Further, a speed reducing mechanism portion which has an outside diameter smaller than the outside diameter of the second motor generator and which reduces the rotation speed of the second motor generator is provided on the side of the second motor generator opposite the engine.

Claims
Description
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