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:
Dec. 09, 1997
Filed:
Aug. 01, 1996
Applicant:
Inventor:
Gregory E Peterson, Sylvan Lake, MI (US);
Assignee:
Smart Power Systems, Inc., Sterling Heights, MI (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B60H / ;
U.S. Cl.
CPC ...
62133 ; 622283 ; 62243 ; 623234 ;
Abstract
The present invention provides a vehicle air conditioning system including a condenser, condenser fan, a variable expansion device, an evaporator, evaporator fan, and a compressor. A processor is provided in cooperation with the compressor for temporarily interrupting compressor operation under certain predetermined operating conditions in order to prevent sticking of the variable expansion device. Various algorithms and initial algorithm engagement parameters are provided for temporarily interrupting compressor operation under certain predetermined operating conditions.