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:
Dec. 31, 1985
Filed:
Aug. 28, 1984
Applicant:
Inventors:
Yoshiaki Matsushima, Tokyo, JP;
Nobutaka Chiaki, Tokyo, JP;
Kuniaki Kato, Tokyo, JP;
Toshihiko Horikiri, Funabashi, JP;
Assignee:
Tokyo Keiki Company Limited, Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F16K / ;
U.S. Cl.
CPC ...
251 3001 ; 251 32 ; 25112915 ; 137486 ; 13759616 ;
Abstract
An electromagnetically driven hydraulic actuator for driving an electromagnetic valve for which a larger valve operating force is required. The pilot control valve and the actuator piston are enclosed within the stationary magnetic core of the electromagnetic plunger of the actuator so that a compact driving unit is provided for driving the valve.
Matsushima, Yoshiaki. (1985). Electromagnetically operated hydraulic actuator (U.S. Patent No. 4561628). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/4561628
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile