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:
Aug. 24, 1990
Applicant:
Inventor:
Alex Y Wong, , US;
Assignee:
Other;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F04B / ;
U.S. Cl.
CPC ...
417 26 ; 417 44 ;
Abstract
A vehicle compressor unit having an adjustable outlet pressure at which it will be de-activated. A compressor is operated by an electric motor from the vehicle's electrical supply. A pressure release valve detects the pressure from the outlet of the compressor, the valve being spring loaded and the force on the spring being adjustable to vary and pre-set the pressure which the valve releases. An enclosure into which air releases when the valve releases. Electrical contact means movable by the release of air into the enclosure to de-activate the motor at that pre-selected pressure.