Title:
RETAINER APPLIED WITH DLC
Document Type and Number:
Japanese Patent JP3904411
Kind Code:
B2
Abstract:
PROBLEM TO BE SOLVED: To improve the durability of an engine by preventing the wear of a retainer for retaining an automobile fuel valve or an automobile exhaust valve to the face of a coil spring.
SOLUTION: In the retainer for retaining an automobile fuel valve or an automobile exhaust valve to the face of a coil spring, the face abutting on the spring of the retainer, a diamondlike carbon film containing H or a diamondlike carbon film containing H, Si and O is formed directly, or via; (a) an intermediate layer of silicide or silicocarbide essentially consisting of at least one kind selected from the group 5A metals (V, Nb, Ta), the group 6A metals (Cr, Mo, W), Ti and Zr; or (b) a metallic film essentially consisting of at least one kind selected from the group 5A metals (V, Nb, Ta), and an Si film or a metallic film essentially consisting of Si, and formed thereon; or (c) a metallic film of at least one kind selected from the group 5A metals (V, Nb, Ta), the group 6A metals (Cr, Mo, W), Ti and Zr, and a silicon, carbide film formed thereon.
Inventors:
Masatoshi Nakayama
Yoshino Yoshiko
Masakazu Odaka
Yasuhiro Matsuba
Hashimoto Yasushi
Izumi Miyauchi
Yoshino Yoshiko
Masakazu Odaka
Yasuhiro Matsuba
Hashimoto Yasushi
Izumi Miyauchi
Application Number:
JP2001176882A
Publication Date:
April 11, 2007
Filing Date:
June 12, 2001
Export Citation:
Assignee:
tdk Corporation
International Classes:
C23C30/00; F01L3/10; C23C14/06; C23C16/27; C23C28/00; C23C28/04; (IPC1-7): C23C30/00; C23C14/06; C23C16/27; C23C28/00; C23C28/04; F01L3/10
Domestic Patent References:
| JP10317926A | ||||
| JP11294118A | ||||
| JP2000178738A | ||||
| JP2000297373A | ||||
| JP2001140608A |
Attorney, Agent or Firm:
Motohiro Kurauchi
Hiroshi Kazama
Hiroshi Kazama