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. 28, 1982
Filed:
Nov. 19, 1979
Applicant:
Inventors:
Douglas E Peash, Enumclaw, WA (US);
Arthur S Yorozu, Seattle, WA (US);
Assignee:
The Boeing Company, Seattle, WA (US);
Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
B64D / ;
U.S. Cl.
CPC ...
2441291 ; 2441185 ; 98-15 ; 251212 ; 13761411 ; 49 21 ;
Abstract
A relief valve has a pair of poppet valves mounted to seal against each other when in the closed position and to uniformly move apart when opening to place one of the poppet valves outside configuration on an aircraft to create a ram air effect through the opened valve.