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:
Oct. 27, 2015
Filed:
Jun. 12, 2012
Applicants:
Nobuki Kawamoto, Okazaki, JP;
Yasuki Hashimoto, Okazaki, JP;
Hiroshi Yamamoto, Toyota, JP;
Inventors:
Assignee:
TOYOTA JIDOSHA KABUSHIKI KAISHA, Aichi-ken, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G05B 5/00 (2006.01); G05B 11/18 (2006.01); F01P 7/04 (2006.01); F01P 7/08 (2006.01);
U.S. Cl.
CPC ...
G05B 11/18 (2013.01); F01P 7/048 (2013.01); F01P 7/08 (2013.01); F01P 2025/66 (2013.01);
Abstract
A cooling apparatus for an internal combustion engine includes a fan that cools a coolant by operating at least at a first drive voltage and a second drive voltage higher than the first drive voltage; and a control unit that drives the fan at the first drive voltage when a vehicle is driven at a low vehicle speed that is a vehicle speed lower than a vehicle speed threshold and a coolant temperature is higher than a fan low-voltage activation threshold.