Title:
INTERNAL COMBUSTION ENGINE
Document Type and Number:
WIPO Patent Application WO/2011/132321
Kind Code:
A1
Abstract:
The disclosed internal combustion engine is provided with: an exhaust valve (8) that has a flared head (55a); a cylindrical member (61) disposed in the region where the exhaust valve (8) is disposed; and a fluid spring (63) which biases the cylindrical member (61) towards a combustion chamber (5). The flared head (55a) of the exhaust valve (8) engages with one end of the cylindrical member (61), said end facing the combustion chamber (5), and the other end abuts against the fluid spring (63). The cylindrical member (61) is formed so as to be able to move in a direction nearly parallel to the direction the exhaust valve (8) moves in. The fluid spring (63) is formed so as to contract, powered by a pressure change in the combustion chamber (5), when the pressure in the combustion chamber (5) reaches a predetermined control pressure.
Inventors:
ASHIZAWA TAKESHI (JP)
Application Number:
PCT/JP2010/057516
Publication Date:
October 27, 2011
Filing Date:
April 21, 2010
Export Citation:
Assignee:
TOYOTA MOTOR CO LTD (JP)
ASHIZAWA TAKESHI (JP)
ASHIZAWA TAKESHI (JP)
International Classes:
F01L13/08; F01L9/20; F02D15/04
Foreign References:
| JPH1150866A | 1999-02-23 | |||
| JPH01125508A | 1989-05-18 |
Attorney, Agent or Firm:
AOKI, Atsushi et al. (JP)
Aoki 篤 (JP)
Aoki 篤 (JP)
Download PDF:
Claims: