PLUG-IN HYBRID ELECTRIC VEHICLE SECONDARY COOLING SYSTEM
First Claim
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1. A system for a hybrid electric vehicle having an engine and an electric drive system, including an electric motor, the system comprising:
- a component of the electric drive system;
a first closed-loop coolant circulation system associated with the electric drive system component and having a coolant configured to flow therethrougha vehicle component to be heated;
a second closed-loop coolant circulation system associated with the vehicle component to be heated, the first and second coolant circulation systems being operable independently of each other, and selectively in fluid communication with each other;
such that heated coolant from the component of the electric drive system can be provided to the vehicle component to be heated; and
a radiator in fluid communication with at least one of the closed-loop coolant circulation systems for transferring heat away from the corresponding coolant.
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Abstract
A system for utilizing heat generated by a component of a plug-in hybrid electric vehicle includes a first component having a first coolant system extending therethrough. The first coolant circulation system includes a first radiator. The system also includes a second component having a second coolant circulation system extending therethrough. The second coolant circulation system is in fluid communication with the first coolant circulation system. The first coolant system is configured is to selectively direct heated coolant from the first component to the second component.
65 Citations
20 Claims
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1. A system for a hybrid electric vehicle having an engine and an electric drive system, including an electric motor, the system comprising:
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a component of the electric drive system; a first closed-loop coolant circulation system associated with the electric drive system component and having a coolant configured to flow therethrough a vehicle component to be heated; a second closed-loop coolant circulation system associated with the vehicle component to be heated, the first and second coolant circulation systems being operable independently of each other, and selectively in fluid communication with each other; such that heated coolant from the component of the electric drive system can be provided to the vehicle component to be heated; and a radiator in fluid communication with at least one of the closed-loop coolant circulation systems for transferring heat away from the corresponding coolant. - View Dependent Claims (2, 3, 4)
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5. A system for utilizing heat generated by a component of a plug-in hybrid electric vehicle, the system comprising:
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an electric component having a first coolant circulation system extending therethrough, the first coolant circulation system including a first radiator; and an internal combustion engine (ICE) having a second coolant circulation system extending therethrough, the second coolant circulation system (ICE) being in fluid communication with the first coolant circulation system; wherein the first coolant circulation system is configured to selectively direct heated coolant from the electric component to the ICE. - View Dependent Claims (6, 7, 8, 9, 10, 11, 12)
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13. A system for utilizing heat generated by a component of a plug-in hybrid electric vehicle, the system comprising:
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an electric component having a first coolant circulation system extending therethrough, the first coolant circulation system including a first radiator; and a heater core having a second coolant circulation system extending therethrough, the second coolant circulation system being in fluid communication with the first coolant circulation system; wherein the first coolant circulation system is configured to selectively direct heated coolant from the first component to the heater core. - View Dependent Claims (14, 15, 16, 17, 18, 19, 20)
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Specification