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:
Jun. 30, 1992
Filed:
Mar. 27, 1990
Applicant:
Inventors:
E Dale Hartley, Malibu, CA (US);
F Scott Hartley, Camarillo, CA (US);
Assignee:
Product Research And Development, Santa Ana, CA (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
F01C / ; F04C / ;
U.S. Cl.
CPC ...
418 53 ; 418153 ;
Abstract
A pump assembly comprising a housing having a cavity therein, an inlet leading to the cavity and an outlet leading from the cavity and a wobble plate mounted for nutating movement in the cavity. The wobble plate divides the cavity into first and second pumping chambers, and during its nutating movement, liquid entering the inlet into the pumping chambers is pumped by the wobble plate through the outlet. The pump can be driven by a motor.