Coolant pump control systems and methods for backpressure compensation

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United States of America Patent

PATENT NO 9957875
SERIAL NO

14494904

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Abstract

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A target speed module determines a target speed of an engine coolant pump of the vehicle. A speed adjustment module determines a speed adjustment based on a position of a valve, wherein a backpressure of the engine coolant pump changes when the position of the valve changes. An adjusted target speed module determines an adjusted target speed for the engine coolant pump based on the target speed and the speed adjustment. A speed control module controls a speed of the engine coolant pump based on the adjusted target speed.

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Patent Owner(s)

Patent OwnerAddress
GM GLOBAL TECHNOLOGY OPERATIONS LLCP O BOX 300 MAIL CODE 482-C24-A65 DETROIT MI 48265

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Chen, Yue-Ming Canton, US 18 56
Gonze, Eugene V Pinckney, US 195 1878
Ramappan, Vijay Novi, US 49 423

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