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. 17, 1996
Filed:
Aug. 16, 1994
Applicant:
Inventors:
John Curlett, Watsonville, CA (US);
Glen J Brown, Santa Cruz, CA (US);
Assignee:
Pacific Aeromotive Corporation, Santa Cruz, CA (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B60C / ; F04B / ; F04B / ;
U.S. Cl.
CPC ...
152418 ; 417233 ; 417211 ;
Abstract
This invention pertains to the maintenance of pressure within a vehicle wheel tire to a pre-set level with the air supply being produced by a pump which is driven by centrifugal force, i.e., the wheel rotation creates a centrifugal force which activates a weight to move a piston which pumps the tire inlet air. The pump can be mounted outside or inside the tire volume. Another pump uses the impetus from bumps encountered by the wheel to drive the pump.