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:
Sep. 23, 1980
Filed:
Apr. 03, 1979
Applicant:
Inventors:
Akio Fukunaga, Kakogawa, JP;
Toshio Nakane, Akashi, JP;
Assignee:
Kobe Steel, Limited, Kobe, JP;
Primary Examiner:
Int. Cl.
CPC ...
F15B / ;
U.S. Cl.
CPC ...
60400 ; 60403 ; 91 / ;
Abstract
A device of the type wherein a gas pressure is converted into an oil pressure and the resulting oil pressure is exerted to drive an actuator. A pair of gas-oil reservoirs are coupled with each other via a conduit wherein an automatic oil level control valve is disposed to close the conduit when the actuator is in operation and the gas pressure in the reservoirs are not balanced and open the conduit when the actuator is not in operation.