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:
Sep. 16, 2014

Filed:

Oct. 09, 2008
Applicant:

George Savitz, New Bern, NC (US);

Inventor:

George Savitz, New Bern, NC (US);

Assignee:
Attorneys:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H02K 29/06 (2006.01); H02P 25/04 (2006.01); F24C 15/32 (2006.01); H02P 6/18 (2006.01); H02P 6/00 (2006.01); F24C 7/08 (2006.01);
U.S. Cl.
CPC ...
F24C 7/08 (2013.01); H02P 25/04 (2013.01); F24C 15/325 (2013.01); H02P 6/182 (2013.01); H02P 6/008 (2013.01);
Abstract

A household appliance including a fan speed controller, and a method of controlling fan speed of a household appliance, are provided. The system includes a fan speed controller that cut a voltage to the fan motor, measures an electromotive force (EMF) of the fan motor at a predetermined time after the cutting of the voltage to the fan motor, and compares the measured electromotive force (EMF) to a table.


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