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:
Oct. 20, 1998
Filed:
Feb. 21, 1997
Hisaaki Sato, Gunma, JP;
Masato Kumagai, Saitama, JP;
Munehiro Kudo, Gunma, JP;
Keiichi Kai, Gunma, JP;
Unisia Jecs Corporation, Atsugi, JP;
Abstract
In a valve actuator arrangement for an internal combustion engine, a valve structure having a valve body and a rotary valve axle is provided, an electric motor structure having a generally disc shaped body fixed on one end of said valve axle so as to be integrally pivoted with the valve axle is provided, a permanent magnet fixed on the disc-shaped body is provided, a fixing member fixed on the one end of the valve axle is provided, and a pair of windings to form a pair of coils whose winding directions are mutually opposite to each other are wound around the fixing member so that a direction of a magnetic flux developed between each of the pair of windings and the permanent magnet is parallel to the valve axle.