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:
Apr. 22, 2014
Filed:
Nov. 05, 2012
Applicant:
W.e.t. Automotive (China) Ltd., Langfang, CN;
Inventor:
Fred A. Brown, Coronado, CA (US);
Assignee:
W.E.T. Automotive (China) Ltd., Langfang, CN;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G05B 11/16 (2006.01); H02P 3/00 (2006.01);
U.S. Cl.
CPC ...
Abstract
A method of controlling a fan in a vehicle comprising: measuring a control input signal; measuring a continuous applied voltage to the fan; comparing the continuous applied voltage to a look up table; and activating the fan when the control input signal is open and the continuous applied voltage is greater than a system voltage by about 0.5 volts.