Variable electric auxiliary heater circuit pump
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United States of America Patent
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-
Jun 3, 2014
Grant Date -
Dec 31, 2009
app pub date -
Jun 30, 2008
filing date -
Jun 30, 2008
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
A heating and ventilation system for a passenger compartment of a vehicle. The system having a heater core supplied with engine cooling fluid via a variable flow pump for heating an air flow supplied to the passenger compartment. The system additionally having a controller for controlling the pump to increase engine cooling fluid mass flow-rate in response to a detected temperature decrease of the engine cooling fluid when the engine is off.
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Family
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