Cooling system and method for cooling a heat producing system
First Claim
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1. A cooling system for a heat producing system in a vehicle, comprising:
- a heat exchanger in fluid communication with the heat producing system and configured to receive a temperature control fluid therethrough;
a first fan operable in a first rotational direction to move air through the heat exchanger in a first direction;
a second fan disposed radially adjacent the first fan, the second fan being operable in a second rotational direction opposite the first rotational direction to move air through the heat exchanger in the first direction; and
a control system for controlling operation of the fans and including at least one controller and a temperature sensor, the controller being configured to;
shut off when the vehicle is operating and the temperature of the al least one controller is greater than a first predetermined controller temperature,operate for a predetermined period of time after the vehicle is started, independently of the temperature of the at least one controller, andshut off after the predetermined period of time has elapsed and the temperature of the at least one controller is greater than the first predetermined controller temperature.
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Abstract
A cooling system for a heat producing system includes a heat exchanger in fluid communication with the heat producing system. The heat exchanger is configured to receive a temperature control fluid therethrough. A first fan is operable in a first rotational direction to move air through the heat exchanger in a first direction. A second fan is disposed radially adjacent to the first fan, and is operable in a second rotational direction opposite the first rotational direction to move air through the heat exchanger in the first direction. A control system, including at least one controller, is provided for controlling operation of the fans.
22 Citations
16 Claims
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1. A cooling system for a heat producing system in a vehicle, comprising:
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a heat exchanger in fluid communication with the heat producing system and configured to receive a temperature control fluid therethrough; a first fan operable in a first rotational direction to move air through the heat exchanger in a first direction; a second fan disposed radially adjacent the first fan, the second fan being operable in a second rotational direction opposite the first rotational direction to move air through the heat exchanger in the first direction; and a control system for controlling operation of the fans and including at least one controller and a temperature sensor, the controller being configured to; shut off when the vehicle is operating and the temperature of the al least one controller is greater than a first predetermined controller temperature, operate for a predetermined period of time after the vehicle is started, independently of the temperature of the at least one controller, and shut off after the predetermined period of time has elapsed and the temperature of the at least one controller is greater than the first predetermined controller temperature. - View Dependent Claims (2, 3, 4, 5, 6)
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7. A cooling system for a heat producing system in a vehicle subject to ram air when the vehicle is moving, the cooling system comprising:
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a heat exchanger in fluid communication with the heat producing system and configured to receive a temperature control fluid therethrough; a plurality of fans, each of the fans being disposed radially adjacent to at least one other of the fans, at least one of the fans being operable in a first rotational direction to move air through the heat exchanger in a first direction, and at least one other of the fans being operable in a second rotational direction opposite the first rotational direction to move air through the heat exchanger in the first direction; and a control system for controlling operation of the fans and including at least one controller, the control system being configured to; selectively operate each of the fans in a rotational direction that facilitates movement of air by each of the fans through the heat exchanger in second direction opposite the first direction, operate each of the fans to move air through the heat exchanger in the first direction when the ram air speed is below a first predetermined speed, and operate each of the fans to move air through the heat exchanger in the second direction when the ram air speed is at or above the first predetermined speed. - View Dependent Claims (8, 9, 10, 11, 12)
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13. A method for cooling a heat producing system in a vehicle subject to ram air when the vehicle is moving, the heat producing system utilizing a heat exchanger and a plurality of fans, each of which is disposed radially adjacent at least one other of the fans, for moving air across the heat exchanger, the method comprising:
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operating a first one of the fans in a first rotational direction to move air through the heat exchanger in a first direction; operating a second one of the fans disposed radially adjacent the first fan in a second rotational direction opposite the first rotational direction to move air through the heat exchanger in the first direction operating the first in the second rotational direction to move air through the heat exchanger in a second direction opposite the first direction when the ram air speed is at or above a first predetermined speed; and operating the second fan in the first rotational direction to move air through the heat exchanger in the second direction when the ram air speed is at or above the first predetermined speed. - View Dependent Claims (14, 15, 16)
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Specification