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:
Dec. 01, 1987
Filed:
May. 13, 1986
Eiichi Ichihara, Shakujii, JP;
Itsuo Iwai, Shinminato, JP;
Honda Giken Kogyo Kabushiki Kaisha, Tokyo, JP;
Tanaka Machine Industries Co., Ltd., Toyama, JP;
Abstract
In an oil supply device of a valve operating system mounted in a cylinder head of an internal combustion engine and operable to open or close intake and exhaust valves, there are juxtaposed an oil supply line for supplying a working oil into a hydraulic tappet of the valve operating system and a lubricating oil line for supplying a lubricating oil to those portions of a valve operating cam shaft which are to be lubricated, and orifice means for controlling the flow rate is provided in each the oil lines. The both oil lines are connected in communication to a main oil passageway upstream of the orifice means, the main oil passageway being connected to a source of a hydraulic oil. Air bleed means is provided in the oil supply line and disposed above the lubricating oil line in the central wall of the cylinder head.