Method for estimating DC motor coil temperature, DC motor control method and their devices

United States of America Patent

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Sep 4, 2007
Grant Date
Mar 29, 2007
app pub date
Oct 22, 2004
filing date
Oct 24, 2003

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Abstract

Resistance of the coil of a DC motor is calculated by using the motor current and the motor voltage, and the coil temperature is estimated by using the resistance-temperature characteristics of the coil.

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Patent Owner(s)

DAIKIN INDUSTRIES, LTD.

International Classification(s)

H02H:EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS

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Inventor Name	Address	# of filed Patents	Total Citations
Hikawa, Takeshi	Sakai, JP	9	108
Ishikawa, Satoshi	Sakai, JP	189	1502
Yanagida, Yasuto	Kusatsu, JP	8	95

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Method for estimating DC motor coil temperature, DC motor control method and their devices

Number of patents in Portfolio can not be more than 2000

United States of America Patent

10576769

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PATENT NO	7265954
APP PUB NO	20070070560A1
SERIAL NO	10576769
DOCKET NO

US Family Size	Non-US Coverage
Patent Longevity	Forward Citations

DATE PUBLISHED	PUBLICATION/PATENT NO.	PUBLICATION TYPE
September 04, 2007	US,7265954,B2 US7265954B2	GRANTED PATENT AS SECOND PUBLICATION
March 29, 2007	US,20070070560,A1 US20070070560A1	FIRST PUBLISHED PATENT APPLICATION

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10576769

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