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:
Nov. 21, 1989
Filed:
Mar. 14, 1988
Applicant:
Inventor:
Kazuhiro Ishigami, Sagamihara, JP;
Assignee:
Nissan Motor Co., Ltd., Yokohama, JP;
Primary Examiner:
Int. Cl.
CPC ...
F01P / ;
U.S. Cl.
CPC ...
123 4112 ; 123 4149 ;
Abstract
To increase engine power, decrease fuel consumption rate and fan noise, and improve riding comfortability, the engine cooling apparatus provided with a motor-driven cooling fan for an automotive vehicle comprises an engine temperature sensor, a vehicle speed sensor, and a controller for actuating the cooling fan when engine temperature exceeds predetermined values varied according to detected vehicle speed. Further, when an air conditioner is turned on, the cooling fan is actuated irrespective of other conditions.