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:
Aug. 16, 1988
Filed:
Jul. 08, 1987
Applicant:
Inventors:
Koji Ichihashi, Higashimatsuyama, JP;
Toshihiro Murayama, Higashimatsuyama, JP;
Assignee:
Diesel Kiki Co., Ltd., Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F16K / ; H01F / ;
U.S. Cl.
CPC ...
251 3001 ; 251 57 ;
Abstract
An operating oil introduction type electromagnetic valve comprising a cap defining an electromagnetic valve external portion, an exciting coil, an inner housing and a stopper spacedly disposed inside the coil, a tubular slide guide with a bottom surface which is made of a non-magnetic material and disposed inside the inner housing and stopper, a plunger chamber formed within the guide and communicating at one end with an oil source and with the other end closed, and a plunger slidably contained within the plunger chamber and actuated by electromagnetic force of the coil.