Viscous coolant heater with variable coolant pump drive

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United States of America Patent

PATENT NO 9623720
SERIAL NO

13920016

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Importance

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Abstract

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A vehicle heating system having a first viscous clutch and a pump and viscous clutch mechanism. The first viscous clutch has a first clutch input member. The pump and viscous clutch mechanism has a pump and a second viscous clutch. The pump includes a pump input member, while the second viscous clutch includes a second clutch input member. One of the pump input member and the second clutch input member is drivingly coupled to a portion of the first viscous clutch.

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Patent Owner(s)

Patent OwnerAddress
BORGWARNER INC3850 HAMLIN ROAD AUBURN HILLS MI 48326

International Classification(s)

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Roth, David B Groton, US 28 374
Weber, Olaf E Bloomfield Hills, US 2 30

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