Title:
VALVE SPRING SUPPORTING STRUCTURE OF ENGINE
Document Type and Number:
WIPO Patent Application WO/2003/095804
Kind Code:
A1
Abstract:
A spring seat comprising an outer sprint seat (10k) and a stepped inner spring seat (10j) located at a lower position, wherein a valve spring comprises an outer spring (37) and an inner spring (36) longer than the outer spring (37) arranged coaxially therewith on the inside thereof.
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Inventors:
KUROSAWA SHINICHI (JP)
Application Number:
PCT/JP2003/005801
Publication Date:
November 20, 2003
Filing Date:
May 08, 2003
Export Citation:
Assignee:
YAMAHA MOTOR CO LTD (JP)
KUROSAWA SHINICHI (JP)
KUROSAWA SHINICHI (JP)
International Classes:
F01L1/047; F01L1/053; F01L1/08; F01L1/18; F01L1/26; F01L1/46; F01L3/10; F01L13/00; F02F1/24; F02F1/38; F02F1/42; F02M61/14; F02B23/10; F02B75/12; F02M59/10; (IPC1-7): F01L3/10; F02F1/24; F02F1/42
Foreign References:
| JPS581708U | 1983-01-07 | |||
| JP2000179344A | 2000-06-27 |
Attorney, Agent or Firm:
Shimoichi, Tsutomu (Utsubohonmachi 1-chome Nishi-k, Osaka-shi Osaka, JP)
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