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EXHAUST THROTTLING FOR CABIN HEATING

  • US 20150121848A1
  • Filed: 11/05/2013
  • Published: 05/07/2015
  • Est. Priority Date: 11/05/2013
  • Status: Active Grant
First Claim
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1. A method for an engine, comprising:

  • pumping coolant from a coolant reservoir to an exhaust component and then to a heater core, the coolant heated by the exhaust component; and

    during engine warm-up conditions, adjusting a flow rate of coolant into the heater core based on a temperature drop across the heater core and a commanded flow rate of coolant into the heater core to maximize heat transfer to a vehicle cabin.

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