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. 12, 2017
Filed:
Dec. 21, 2012
Don A. Schuster, Lindale, TX (US);
Adeyemi A. Adepetu, Jamaica Plain, MA (US);
Sathish R. Das, Indianapolis, IN (US);
Rajendra K. Shah, Indianapolis, IN (US);
Don A. Schuster, Lindale, TX (US);
Adeyemi A. Adepetu, Jamaica Plain, MA (US);
Sathish R. Das, Indianapolis, IN (US);
Rajendra K. Shah, Indianapolis, IN (US);
CARRIER CORPORATION, Farmington, CT (US);
Abstract
A method for determining a level of refrigerant charge in a vapor compression system having a compressor, a condenser, an expansion device and an evaporator operatively connected in serial relationship in a refrigerant flow circuit having a refrigerant, includes receiving information indicative of at least one of a compressor torque or compressor current; and determining whether the refrigerant charge is within a defined tolerance or whether the refrigerant is to be added or recovered in response to the receiving of the information.