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:
Mar. 24, 1987
Filed:
Jul. 03, 1985
Applicant:
Inventors:
John F Miller, Ogden, UT (US);
Jesse F Scivally, Brigham City, UT (US);
Robert B Smalley, Jr, Brigham City, UT (US);
Assignee:
Morton Thiokol Inc., Chicago, IL (US);
Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
F16K / ; B67D / ;
U.S. Cl.
CPC ...
137 811 ; 251 63 ; 222 61 ;
Abstract
Apparatus useful on space vehicles as a valve for establishing external pressure in a pressure container or otherwise as an engine for performing work. The apparatus is responsive to atomspheric pressure retained in a plenum are applied to one side of a piston which atomspheric pressure is greater than an external pressure applied to the other side of the piston in a vacuum environment. A method for operation of such apparatus is also disclosed.