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. 18, 1992
Filed:
Dec. 18, 1989
Applicant:
Inventors:
Paul S Weitzel, Canal Fulton, OH (US);
Bernard M McCoy, Lumberton, TX (US);
Assignee:
The Babcock & Wilcox Company, New Orleans, LA (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
F15B / ;
U.S. Cl.
CPC ...
91462 ; 91-1 ; 91454 ; 60413 ; 60415 ; 92 / ;
Abstract
An actuator device for mechanisms located within a pressurized environment including a double acting piston and cylinder combination operating in the same environment. The motive power for the piston is provided by pressurized gas from the pressurized environment or from a substitute source, whereby complex and elaborate sealing systems are eliminated.