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. 21, 2017
Filed:
Sep. 21, 2009
Paul V. Weyna, Manlius, NY (US);
Eliot W. Dudley, Cato, NY (US);
Alan D. Abbott, Manlius, NY (US);
Raymond L. Senf, Jr., Central Square, NY (US);
Paul V. Weyna, Manlius, NY (US);
Eliot W. Dudley, Cato, NY (US);
Alan D. Abbott, Manlius, NY (US);
Raymond L. Senf, Jr., Central Square, NY (US);
CARRIER CORPORATION, Farmington, CT (US);
Abstract
In a refrigeration system having a compressor, a condenser, an evaporator, and a controller for controlling an expansion valve, a process for controlling compressor discharge during a cooling cycle includes monitoring a compressor discharge temperature, operating the expansion valve in a base mode wherein the expansion valve is controlled in response to a difference between actual superheat and desired superheat of the evaporator; and controlling the expansion valve in response to a difference between a set point and a compressor discharge parameter when the ambient air temperature, the return air temperature and the compressor discharge temperature meet respective limits.