Method for diagnosing abrasion of electric oil pump rotor

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United States of America Patent

PATENT NO 9689773
APP PUB NO 20170003206A1
SERIAL NO

14933861

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Abstract

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A method for diagnosing abrasion of an electric oil pump rotor includes sensing a driving duty of an oil pump control unit, and determining whether the sensed driving duty of the oil pump control unit is below a set reference value, wherein as a result of the determining, when the driving duty of the oil pump control unit is below the set reference value, it is determined that the electric oil pump rotor is in a worn out state.

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Patent Owner(s)

Patent OwnerAddress
KIA MOTORS CORPORATION12 HEOLLEUNG-RO SEOCHO-GU SEOUL 06797
HYUNDAI MOTOR COMPANY12 HEOLLEUNG-RO SEOCHO-GU SEOUL 06797

International Classification(s)

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Kim, Gyeong Cheol Hwaseong-si, KR 12 21
Kim, Seong Hwan Hwaseong-si, KR 51 45
Lee, Hak Sung Gunpo-si, KR 29 70
Song, Sang Lok Hwaseong-si, KR 11 53

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