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. 05, 2023
Filed:
Feb. 10, 2022
Applicant:
Ford Global Technologies, Llc, Dearborn, MI (US);
Inventors:
Changchun Li, Bloomfield Hills, MI (US);
Jianqing Xu, Canton, MI (US);
Assignee:
Ford Global Technologies, LLC, Dearborn, MI (US);
Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
B60H 1/32 (2006.01); B60H 1/00 (2006.01);
U.S. Cl.
CPC ...
B60H 1/3225 (2013.01); B60H 1/004 (2013.01); B60H 1/00278 (2013.01); B60H 1/3205 (2013.01); B60H 2001/325 (2013.01); B60H 2001/3238 (2013.01); B60H 2001/3255 (2013.01); B60H 2001/3272 (2013.01);
Abstract
A system and method for protecting against low refrigerant charge of a refrigerant subsystem in a vehicle includes a controller configured to control a component of the vehicle in response to detecting a low refrigerant charge based on an ambient temperature of the refrigerant subsystem, a suction pressure of refrigerant entering a compressor of the refrigerant subsystem, and a speed of the compressor.