Heat pump assisted engine cooling for electrified vehicles
First Claim
Patent Images
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.
1 Assignment
0 Petitions
Accused Products
Abstract
A method including controlling a climate control system of an electrified vehicle 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.
-
Citations
20 Claims
-
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. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10)
-
11. A method, comprising:
-
monitoring a temperature of a coolant of an engine of an electrified vehicle; operating a climate control system of the electrified vehicle in an engine cooling assist mode in which heat is exchanged between the coolant and a refrigerant within an intermediate heat exchanger, wherein the refrigerant circulates through an accumulator during the engine cooling assist mode; and dissipating the heat from the refrigerant to ambient air within an outside heat exchanger. - View Dependent Claims (12, 13, 14, 15)
-
-
16. A climate control system for an electrified vehicle, comprising:
-
a coolant subsystem that circulates a coolant to cool an engine; a heat pump subsystem that circulates a refrigerant; and a controller configured to operate said climate control system in an engine cooling assist mode in which said coolant transfers heat to said refrigerant without said refrigerant flowing through an evaporator in response to a temperature of said coolant exceeding a predefined threshold. - View Dependent Claims (17, 18, 19, 20)
-
Specification