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. 02, 1999
Filed:
Jul. 01, 1998
Applicant:
Inventors:
Nobutaka Hayashi, Kanagawa, JP;
Takanori Sawada, Kanagawa, JP;
Assignee:
Unisia Jecs Corporation, Atsugi, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F01L / ;
U.S. Cl.
CPC ...
123 9016 ; 123 9036 ;
Abstract
A variable valve actuation apparatus for engine cylinder valves comprises a main rocker arm having an end portion for driving association with a cylinder valve. The main rocker arm supports a sub-rocker arm. A lost motion mechanism is between the main rocker and sub-rocker arms. The main rocker arm is formed with a plunger seat. The plunger seat includes a bearing surface on which a plunger of the lost motion mechanism rests. Further, the plunger seat includes gutters for discharging lubricant oil.