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:
Mar. 19, 1991
Filed:
Apr. 23, 1990
Applicant:
Inventor:
Thomas J Clanin, Onalaska, WI (US);
Assignee:
American Standard Inc., New York, NY (US);
Primary Examiner:
Int. Cl.
CPC ...
F25B / ;
U.S. Cl.
CPC ...
62115 ; 62212 ; 62225 ;
Abstract
In a refrigeration system including an incremental expansion valve and an electronic controller for controlling the operation of the expansion valve, a method of controlling the expansion valve in response to a sensed condition of the refrigerant in the system. According to the method, the valve controller alters the control gain rate to provide compensation in the valve flow rate for changing refrigerant conditions in the system due to the staging of multiple condenser fans and flooding of the evaporator.