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:
Jan. 29, 2019
Filed:
Feb. 20, 2014
Applicant:
Ford Global Technologies, Llc, Dearborn, MI (US);
Inventor:
Franco Ragazzi, Ann Arbor, MI (US);
Assignee:
Ford Global Technologies, LLC, Dearborn, MI (US);
Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
F25D 21/00 (2006.01); B60H 1/00 (2006.01); F25D 21/04 (2006.01);
U.S. Cl.
CPC ...
F25D 21/04 (2013.01); B60H 1/00457 (2013.01); B60H 1/00921 (2013.01);
Abstract
Methods and systems for reducing the possibility of heat pump evaporator fin freezing are described. Evaporator fin temperature is compared to a threshold temperature that varies with vehicle operating conditions. Actions to mitigate evaporator fin freezing may be taken if evaporator fin temperature is less than the threshold temperature.