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:
Feb. 13, 1990
Filed:
Oct. 14, 1988
Applicant:
Inventor:
Donald G Harrison, Phoenix, AZ (US);
Assignee:
Allied-Signal Inc., Phoenix, AZ (US);
Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
F16K / ;
U.S. Cl.
CPC ...
137-1 ; 137 38 ; 137 43 ; 2441 / ;
Abstract
A gravity and acceleration responsive valve apparatus having a housing with a number of inlet ports through which communication is controlled by respective valve members. The valve members in conjunction with space maintaining weight transfer means movable in the housing respond to acceleration force and to gravity to open only selected inlet ports while maintaining all other ports closed. The valve has utility particularly as a tank vent or liquid pickup valve aboard aircraft.