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:
Feb. 21, 2012
Filed:
Apr. 19, 2004
Ken Shiozaki, Susono, JP;
Yoshinobu Iida, Numazu, JP;
Ken Shiozaki, Susono, JP;
Yoshinobu Iida, Numazu, JP;
Abstract
The invention provides a control method of an external control type fan clutch able to improve engine performance, fuel cost and cooling performance of a capacitor of an air conditioner (A/C) and restrain fan noises due to associative rotation. Namely, in the external control type fan clutch device constructed so as to control the opening and closing of a supply adjusting hole of oil by a valve member operated by an electromagnet, the opening and closing of the supply adjusting hole of the oil is on-off-controlled with the temperature of a cooling liquid of a radiator, a fan rotating speed, the temperature of transmission oil, a vehicle speed, an engine rotating speed, the pressure of a compressor of the air conditioner, etc. as parameters.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile