Engine Off Cooling Strategy
First Claim
1. A system comprising:
- a coolant management module that;
determines whether an engine of a vehicle is off;
determines, in response to a determination that the engine is off, whether a heater associated with the engine is on;
receives one of a plurality of engine coolant temperature (ECT) measurements and a respective location associated with the received ECT measurement; and
communicates the respective location and an instruction to direct engine coolant flow from the respective location to one of the heater and engine; and
a coolant control module that selectively actuates one or more coolant control valves based on the respective location and the instruction.
1 Assignment
0 Petitions
Accused Products
Abstract
A system includes a coolant management module that, determines whether an engine of a vehicle is off, determines, in response to a determination that the engine is off, whether a heater associated with the engine is on, receives one of a plurality of engine coolant temperature (ECT) measurements and a respective location associated with the received ECT measurement, and communicates the respective location and an instruction to direct engine coolant flow from the respective location to one of the heater and engine. The system also includes a coolant control module that selectively actuates one or more coolant control valves based on the respective location and the instruction.
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Citations
20 Claims
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1. A system comprising:
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a coolant management module that; determines whether an engine of a vehicle is off; determines, in response to a determination that the engine is off, whether a heater associated with the engine is on; receives one of a plurality of engine coolant temperature (ECT) measurements and a respective location associated with the received ECT measurement; and communicates the respective location and an instruction to direct engine coolant flow from the respective location to one of the heater and engine; and a coolant control module that selectively actuates one or more coolant control valves based on the respective location and the instruction. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10)
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11. A method comprising:
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determining whether an engine of a vehicle is off; determining, in response to a determination that the engine is off, whether a heater associated with the engine is on; receiving one of a plurality of engine coolant temperature (ECT) measurements and a respective location associated with the received ECT measurement; communicating the respective location and an instruction to direct engine coolant flow from the respective location to one of the heater and engine; and selectively actuating one or more coolant control valves based on the respective location and the instruction. - View Dependent Claims (12, 13, 14, 15, 16, 17, 18, 19, 20)
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Specification