Title:
POWER TRANSMISSION DEVICE
Document Type and Number:
WIPO Patent Application WO/2015/037738
Kind Code:
A1
Abstract:
A power transmission device (20) has an annular wall portion (102) and a drum portion (110) that functions as a brake drum of a brake (B1), and includes a support member (100) that is fixed to a transmission case (22) and that rotatably supports a counter drive gear (41); the annular wall portion (102) of the support member (100) has an annular piston support part (105) extending axially on the inside-diameter side of the drum portion (110) and supporting a piston (125) of the brake (B1), and an oil-collecting part (108) formed radially inward from the outer peripheral surface of the piston support part (105); and a through-hole (109) is formed in the annular wall portion (102) so as to be communicated via the annular wall portion (102) with the oil-collecting part (108) and a space (200) positioned on the side opposite the oil-collecting part (108).
Inventors:
TORII TAKESHI (JP)
WADA RYOTA (JP)
HATTORI AKIHITO (JP)
WADA RYOTA (JP)
HATTORI AKIHITO (JP)
Application Number:
PCT/JP2014/074417
Publication Date:
March 19, 2015
Filing Date:
September 16, 2014
Export Citation:
Assignee:
AISIN AW CO (JP)
International Classes:
F16H57/04; F16D55/40; F16D65/18; F16D65/853; F16H3/66; F16H57/021; F16D121/04; F16D125/04; F16D125/06
Foreign References:
| JPH07269667A | 1995-10-20 | |||
| JP2012251645A | 2012-12-20 | |||
| JP2003106421A | 2003-04-09 | |||
| JP2007192366A | 2007-08-02 |
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:
Previous Patent: POSITIVE ELECTRODE MATERIAL FOR LITHIUM-ION CELL
Next Patent: ADDRESS CODE MANAGEMENT DEVICE AND ADDRESS CODE MANAGEMENT SYSTEM
Next Patent: ADDRESS CODE MANAGEMENT DEVICE AND ADDRESS CODE MANAGEMENT SYSTEM