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:
Nov. 06, 2007
Filed:
Feb. 17, 2005
Masahiko Tashiro, Saitama, JP;
Masahiko Tashiro, Saitama, JP;
Honda Motor Co., Ltd., Tokyo, JP;
Abstract
A valve train includes a primary rocker armwhich is oscillated about a primary oscillating center line Lby an inlet cam, a secondary rocker armwhich transmits a valve drive force Fto an inlet valveand oscillates about a secondary oscillating center line L, and a holderwhich supports the primary and secondary rocker armsin such a manner that the primary and secondary oscillating center lines L, Lrotate together therewith. As the holderapproaches an oscillating position where a valve operating property is obtained where a maximum lift amount becomes maximum, an abutment position Pwhere a cam lobe portionabuts with a rollerof the primary rocker armapproaches a specific straight line Lwhich passes through a holder oscillating center line Land a rotational center line Lof the inlet cam