Title:
TRANSMISSION DEVICE
Document Type and Number:
WIPO Patent Application WO/2014/178351
Kind Code:
A1
Abstract:
A clutch drum (400) of a clutch (C4) includes: an outer cylinder part (401) which extends in an axial direction; an inner cylinder part (403) which extends in the axial direction at an inner side of the outer cylinder part (401), and which movably supports a piston (405); and an annular wall part (402) which is integrally formed with both the outer cylinder part (401) and the inner cylinder part (403) so as to extend between the outer cylinder part (401) and the inner cylinder part (403) in a radial direction. In the clutch drum (400), a cancellation-oil-chamber demarcation part (410) is integrally formed so as to extend outwardly from an outer peripheral surface of the outer cylinder part (401), said cancellation-oil-chamber demarcation part (410) demarcating a centrifugal-oil-pressure cancellation chamber (308) for cancelling centrifugal oil pressure generated in an engagement oil chamber (306) of a clutch (C3). An end surface (410z) of the cancellation-oil-chamber demarcation part (410) is positioned further towards an open-end side of the clutch drum (400) than an end surface (402z) of an outer wall part (402a) of the annular wall part (402).
Inventors:
AZUMAI TAKAHIRO (JP)
ISHIDA MITSUNARI (JP)
ISHIDA MITSUNARI (JP)
Application Number:
PCT/JP2014/061744
Publication Date:
November 06, 2014
Filing Date:
April 25, 2014
Export Citation:
Assignee:
AISIN AW CO (JP)
International Classes:
F16D25/10; F16D25/0638
Foreign References:
| JP2009030654A | 2009-02-12 | |||
| JPH09512888A | 1997-12-22 | |||
| JP2006342845A | 2006-12-21 | |||
| JP2012215283A | 2012-11-08 |
Other References:
See also references of EP 2993370A4
Attorney, Agent or Firm:
ITEC INTERNATIONAL PATENT FIRM (JP)
Patent business corporation Itec international patent firm (JP)
Patent business corporation Itec international patent firm (JP)
Download PDF: