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Heat pump assisted engine cooling for electrified vehicles

  • US 9,863,671 B2
  • Filed: 07/29/2014
  • Issued: 01/09/2018
  • Est. Priority Date: 07/29/2014
  • Status: Expired due to Fees
First Claim
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1. A method, comprising:

  • controlling a climate control system of an electrified vehicle in an engine cooling assist mode to cool a coolant of a coolant subsystem with a refrigerant of a heat pump subsystem in response to a temperature of the coolant exceeding a predefined threshold, wherein the controlling step includes inhibiting the refrigerant from flowing through an evaporator of the heat pump subsystem during the engine cooling assist mode.

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