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:
Apr. 22, 2003
Filed:
Dec. 04, 2001
Masayuki Takahashi, Saitama, JP;
Toshihiro Akiwa, Saitama, JP;
Honda Giken Kogyo Kabushiki Kaisha, Tokyo, JP;
Abstract
A vehicle multi-cylinder engine in which a plurality of banks each comprising a cylinder row portion and a cylinder head and set at an angle relative to each other are disposed so as to be offset from each other in an axial direction of a crankshaft, and in which valve operating characteristics changing mechanisms for changing the operating characteristics of engine valves in response to oil pressure control by an oil pressure control valve are incorporated in the valve trains on the cylinder head of at least either of the respective banks. An oil pressure control valve is disposed in a space produced between end portions of adjacent banks at one ends thereof along an axial direction of a crankshaft as the respective banks are offset from each other and is attached to at least one cylinder head.