HYDRAULIC CLUTCH RELEASING DEVICE

Title:

HYDRAULIC CLUTCH RELEASING DEVICE

Document Type and Number:

WIPO Patent Application WO/2005/090812

Kind Code:

A1

Abstract:

A hydraulic clutch releasing device (1) enabling the maximum reduction of production cost, comprising a tube member (16) disposed between an outer housing and a piston member and which may be brought into contact with an inner housing, a first seal member (14) disposed between the outer housing and the piston member and between the outer housing and the tube member, and a second seal member (15) disposed between the inner housing and the piston member and following up the movement of the piston member. A hydraulic chamber (17) is formed between the inner housing and the outer housing by the inner housing (11), the outer housing (12), and the piston member (13). The piston member and a release bearing are moved in the axial direction of a rotation transmission shaft (2) by hydraulic pressure in the hydraulic chamber to disengage the clutch.

Inventors:

HATTORI YASUAKI (JP)
NAKAMURA TOSHIYUKI (JP)

Application Number:

PCT/JP2005/004048

Publication Date:

September 29, 2005

Filing Date:

March 09, 2005

Export Citation:

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Assignee:

AISIN SEIKI (JP)
HATTORI YASUAKI (JP)
NAKAMURA TOSHIYUKI (JP)

International Classes:

F16D25/08; F16D25/12; (IPC1-7): F16D25/08; F16D25/12

Domestic Patent References:

WO1997037148A1

1997-10-09

Foreign References:

DE4427942A1	1995-03-09
JPH1047381A	1998-02-17
JPH11132254A	1999-05-18

Other References: