Systems and methods for controlling a variable speed water pump

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United States of America Patent

PATENT NO 9416720
APP PUB NO 20130142669A1
SERIAL NO

13309457

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ATTORNEY / AGENT: (SPONSORED)

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Abstract

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Systems and methods for providing an improved strategy for controlling a variable speed water pump in a vehicle. In some embodiments, more than one water pump speed function is calculated based on values obtained from vehicle sensors, and a controller chooses among the water pump speed function results to set a water pump speed. In some embodiments, the water pump speed is increased when driveline torque is greater than a threshold amount for an amount of time that varies based on the driveline torque. In some embodiments, ambient temperature is considered while determining whether the water pump should provide full coolant flow to an auxiliary coolant loop of a trailer.

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Patent Owner(s)

Patent OwnerAddress
PACCAR INC777 106TH AVENUE NE BELLEVUE WA 98004

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Nevels, René M P A Heeze, NL 3 0
Pyle, Tristan Bothell, US 5 12

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