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.

Date of Patent:
Aug. 28, 2012

Filed:

Oct. 18, 2007
Applicant:

Kazunori Takikawa, Numazu, JP;

Inventor:

Kazunori Takikawa, Numazu, JP;

Assignee:
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
F16D 35/02 (2006.01); F16D 31/00 (2006.01); F01P 7/08 (2006.01); F01P 7/02 (2006.01); F16D 31/06 (2006.01);
U.S. Cl.
CPC ...
Abstract

In a method for controlling an external control type fan coupling device, arithmetic processing to determine the rotation speed of fanwith a quick acceleration detection signal used as a parameter is carried out at a high frequency than that in arithmetic processing to determine the rotation speed of fanusing signals other than the quick acceleration detection signal as a parameter.


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