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, 2004
Filed:
Aug. 02, 2002
Takayuki Itou, Tokyo, JP;
Mitsubishi Denki Kabushiki Kaisha, Tokyo, JP;
Abstract
An oil control valve ( ) that controls a valve timing gear mounted on a cylinder head ( ) of an internal combustion engine. The oil control valve includes a housing ( ) with plural oil lines; a spool type valve ( ) that moves in the housing to open and close the oil lines; and a solenoid ( ) having a metal case ( ) and driving the spool type valve. And this housing ( ) is mounted on the cylinder head ( ). At least a part of the metal case ( ) passes through a through hole ( ) through a cylinder head cover ( ) covering the cylinder head ( ) and is disposed outside the cylinder head cover ( ). As a result, all parts of the oil control valve ( ) are disposed inside the head cover ( ), and even in case of oil leakage, the oil does not leak out of the engine.