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:
Feb. 21, 1989
Filed:
Aug. 31, 1987
Applicant:
Inventor:
Mamoru Nakamura, Kariya, JP;
Assignee:
Aisin Seiki Kabushiki Kaisha, , JP;
Primary Examiner:
Int. Cl.
CPC ...
F16K / ;
U.S. Cl.
CPC ...
25112917 ; 25112915 ;
Abstract
An electromagnetic valve, comprises a casing for defining a flow passage therein; a valve member mounted in the casing for bi-directional movement between two positions for opening and closing the flow passage; an electromagnetic mechanism for moving the valve member in one of the two directions, including a core for magnetically attracting the valve member; a support for supporting the valve member in the casing and for moving the valve member in the other direction; and at least one resilient projection for limiting the movement of the valve member in the one direction for maintaining a separation between the valve member and the core.