Cooling system for electric vehicle
OwnerDennis W. O'Donnellinventor
Life of this patent
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Abstract
A motive power system for an electric vehicle has a drive train connected to one or more drive wheels of the vehicle. The motive power system has an electrical motor having a motive power output connection for attachment to the drive train. A first heat exchanger has thermal connection to the electrical motor to remove heat from the electrical motor, the first heat exchanger employing a coolant fluid. A second heat exchanger is in thermal contact with the coolant fluid and with an ambient atmosphere for removing heat from the coolant fluid.
Claims19
A cooling system for an electric drive motor in an electric vehicle, said cooling system comprising:
- a first heat exchanger for placement in thermal contact with such electric motor for removing heat from such electric motor, said first heat exchanger employing a coolant fluid;
- and
- a second heat exchanger in thermal contact with said coolant fluid and with an ambient atmosphere for removing heat from said coolant fluid.
A motive power system for an electric vehicle having a drive train connected to at least one drive wheel, said motive power system comprising:
- an electrical motor having a motive power output connection for attachment to said drive train;
- a first heat exchanger having thermal connection to said electrical motor to remove heat from said electrical motor, said first heat exchanger employing a coolant fluid;
- a second heat exchanger in thermal contact with said coolant fluid and with an ambient atmosphere for removing heat from said coolant fluid;
- a first fluid flow passage for conveying said coolant fluid from said first heat exchanger to said second heat exchanger and a second fluid flow passage for conveying said coolant fluid from said second heat exchanger to said first heat exchanger;
- and
- a compressor unit which includes an a/c electric motor disposed in said first fluid flow passage to compress said fluid, said second fluid flow passage having an expansion section whereby refrigeration of said motor is provided.
An electric vehicle having a motive power system comprising:
- an electrical motor having a motive power connection to at least one drive wheel of said vehicle;
- a first heat exchanger having thermal connection to said electrical motor to remove heat from said electrical motor, said first heat exchanger employing a coolant fluid;
- and a second heat exchanger in thermal contact with said coolant fluid and with an ambient atmosphere for removing heat from said coolant fluid.
Dependencies are inferred from the claim text.