Title:
PLUNGER CAM RING SLIDING BODY IN HYDRAULIC POWER TRANSMISSION COUPLING
Document Type and Number:
Japanese Patent JP3761134
Kind Code:
B2
Abstract:
PROBLEM TO BE SOLVED: To enhance the wear-resistance, pitching resistance and seizure resistance of each of a plunger side sliding surface and a cam ring side sliding surface.
SOLUTION: A hydraulic type power transmission coupling 1 has a plunger 8 and a cam ring 8 either or both of which is made of steel for mechanical structural use, containing at least chromium. In this case, a plunger side sliding surface 8S and/or the cam ring side sliding surface 3S which are formed by projecting very fine particles having an averaged particle size of 10 to 200 μm and a Vickers hardness of higher than 750 Hv at a speed of higher than 100 m/s, onto a surface of the steel which has a surface carbon concentration of 1.2 to 3.0 wt.% and a surface hardness of 770 Hv or more and in which carbide is precipitated in the sliding part thereof.
More Like This:
Inventors:
Tadahiko Kato
Katsutoshi Isomura
Minamibu Shunwa
Makoto Yoshida
Kusugawa Hirotaka
High Saki Shunji
Katsutoshi Isomura
Minamibu Shunwa
Makoto Yoshida
Kusugawa Hirotaka
High Saki Shunji
Application Number:
JP14953299A
Publication Date:
March 29, 2006
Filing Date:
May 28, 1999
Export Citation:
Assignee:
Univance Inc.
Nissan Motor Co., Ltd
Nissan Motor Co., Ltd
International Classes:
B24C1/10; C21D7/06; F16D31/02; (IPC1-7): B24C1/10; C21D7/06; F16D31/02
Domestic Patent References:
| JP2051622A | ||||
| JP4201128A | ||||
| JP7188738A | ||||
| JP6145785A |
Attorney, Agent or Firm:
Janggi Motonori