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Title:
POWER TRAIN UNIT
Document Type and Number:
Japanese Patent JP2009121630
Kind Code:
A
Abstract:

To shorten the length in the axial direction of a power train unit including a fluid transmission device.

A clutch piston plate 32 has a piston part 32a projecting toward the engine output shaft 7 side under a part abutting on a friction plate 25. A front cover 4 has a swelling part 4a in a position corresponding to the piston part 32a. A clutch hydraulic pressure chamber A is formed between this swelling part 4a and the piston part 32a. An inner peripheral side sleeve member 41 supporting the inner peripheral side of the piston part 32a has an extension plate part 41a extending to the inner side in the radial direction. The extension plate part 41a is formed with a groove 45 extending in the radial direction, and an oil passage 50 is formed for supplying controlled hydraulic pressure to a crank hydraulic pressure chamber A by this groove 45.


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Inventors:
SAKA TOKIARI
DOI JUNICHI
KAMATA SHINYA
KUBO TOMOHIRO
IWASHITA NORIO
Application Number:
JP2007298212A
Publication Date:
June 04, 2009
Filing Date:
November 16, 2007
Export Citation:
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Assignee:
MAZDA MOTOR
International Classes:
F16H45/02
Domestic Patent References:
JP2007239915A2007-09-20
JP2000205369A2000-07-25
JPS5637451B21981-08-31
JP2003154862A2003-05-27
JP2007239915A2007-09-20
JP2005098357A2005-04-14
Attorney, Agent or Firm:
Masashi Hirai
Kozu Sako



 
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