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:
Jan. 20, 1981
Filed:
Aug. 05, 1977
Applicant:
Inventor:
Seiji Kosugui, Soka, JP;
Assignee:
Shoketsu Kinzoku Kogyo Kabushiki Kaisha, Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F15B / ;
U.S. Cl.
CPC ...
13762564 ; 1376256 ;
Abstract
There is described an improvement in solenoid pilot operated valve using a spool/piston assembly which is operated by fluid pressure in a pilot chamber, wherein a piston is slidably mounted on one or both ends of a spool and independently returnable to its initial position upon relieving the pilot chamber of fluid pressure.