The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Oct. 24, 2006
Filed:
Dec. 19, 2005
Yu Yokoyama, Okazaki, JP;
Shinichi Murata, Okazaki, JP;
Yu Yokoyama, Okazaki, JP;
Shinichi Murata, Okazaki, JP;
Mitsubishi Jidosha Kogyo Kabushiki Kaisha, Tokyo, JP;
Abstract
The present valve mechanism for an internal combustion engine makes it possible to reliably perform switching between the low-velocity operation mode and the high-velocity operation mode without delay. The valve mechanism includes: a first rocker arm which is supported by a rocker shaft in an oscillatory manner; a second rocker arm which is supported by the rocker shaft in an oscillatory manner; a cylinder provided for either said first rocker arm or said second rocker arm, said cylinder communicating with an oil passage; a first piston fitted in said cylinder in a slidable manner; an engaging protrusion provided in a protruding condition for the remaining one of said first rocker arm and said second rocker arm, said engaging protrusion being capable of engaging with said first piston; and a second piston which moves said first piston to an engaging position.