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. 20, 1988
Filed:
Sep. 08, 1986
Applicant:
Inventor:
George A Thompson, Daytona Beach, FL (US);
Assignee:
Other;
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
F04C / ; F01C / ;
U.S. Cl.
CPC ...
418 46 ; 418178 ; 418191 ; 418227 ; 418152 ;
Abstract
A single rotary pump is provided with a driven valve having outer curved faces and inner curved recesses along the major axis thereof, a rotary piston having vanes between which there are semi-ellipses having raised portions therebetween, said valve being driven by an external source to cause rotation of said piston whereby liquid under pressure flows from an inlet of the pump to an outlet of the pump.