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. 15, 2020
Filed:
May. 10, 2019
Applicants:
Hyundai Motor Company, Seoul, KR;
Kia Motors Corporation, Seoul, KR;
Inventors:
Assignees:
Hyundai Motor Company, Seoul, KR;
Kia Motors Corporation, Seoul, KR;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F04B 17/03 (2006.01); F01P 7/14 (2006.01); F01P 11/14 (2006.01); G07C 5/08 (2006.01); G01R 31/00 (2006.01);
U.S. Cl.
CPC ...
F01P 11/14 (2013.01); G01R 31/006 (2013.01); G07C 5/0808 (2013.01);
Abstract
A fault diagnosis apparatus of a coolant circulation system for a vehicle includes: a water pump for circulating coolant; a controller for applying a revolutions per minute (RPM) command to the water pump; a water pump driver for operating the water pump depending on the applied RPM command; and a current sensor for sensing an current input to the water pump driver. The controller determines whether the input current sensed by the current sensor is within a predetermined normal range to determine whether the coolant circulation system is failed or not.