Title:
流体式トルク伝達装置のロックアップ装置
Document Type and Number:
Japanese Patent JP4553636
Kind Code:
B2
Abstract:
A lock-up device 7 includes a front cover 2, an impeller 3, a turbine 4, and a piston 22 positioned to divide a space between the front cover 2 and the turbine 4, and is engageable with the front cover 2. The piston 22 is formed with a plurality of projections 41 extending in the radial direction on a surface 42. The projection 41 has a straight front edge 51 and a straight rear edge 52, and an arced radially outer edge 53 and radially inner edge 54. The rear edge 52 in the rotation direction overlaps a straight line Ls connecting a radially inner end 52a with the rotation center O, or the rear edge 52 in the rotation direction is inclined to the straight line Ls such that a radially outer end 52b is positioned rearward of the straight line Ls in the rotation direction.
Inventors:
Tetsuya Kubota
Application Number:
JP2004165735A
Publication Date:
September 29, 2010
Filing Date:
June 03, 2004
Export Citation:
Assignee:
EXEDY Friction Material Co.,Ltd.
International Classes:
F16H45/02; F16H41/26
Domestic Patent References:
| JP11351353A |
Attorney, Agent or Firm:
Shinki Global IP Patent Corporation
Yukio Ono
Hidetada Kato
Yukio Ono
Hidetada Kato