Air-Based Hybrid Battery Thermal Conditioning System
First Claim
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1. A thermal conditioning system of a motor vehicle, comprising:
- a passenger cabin;
an energy storage system;
at least one permanently open entry vent in fluidic communication with said passenger cabin and with said energy storage system;
at least one permanently open exit vent in fluidic communication with said passenger cabin and with said energy storage system;
an electronic control system;
at least one auxiliary air source, each said auxiliary air source comprising;
a duct in fluidic communication with a predetermined air source other than said at least one permanently open entry vent, said duct also being in selective fluidic communication with said energy storage system; and
an actuator door selectively movable between a closed position and an open position with respect to said duct, wherein at said closed position said energy storage system is substantially free of fluidic communication with said predetermined air source with respect to said duct, and wherein said actuator door is selectively movable in response to said electronic control system; and
a blower connected to said electronic control system and in fluidic communication with said energy storage system, with said at least one entry vent, with the respective said duct of each said auxiliary air source, and with said at least one exit vent.
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Abstract
A thermal conditioning system for the energy storage system of a hybrid vehicle. At least one auxiliary air source, other than a permanently open air source, has a selectively operable actuator door which either connects or disconnects the auxiliary air source to the energy storage system blower, the air flow being selected to optimally temperature condition the energy storage system. The auxiliary air source preferably includes the HVAC ducting.
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Citations
17 Claims
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1. A thermal conditioning system of a motor vehicle, comprising:
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a passenger cabin; an energy storage system; at least one permanently open entry vent in fluidic communication with said passenger cabin and with said energy storage system; at least one permanently open exit vent in fluidic communication with said passenger cabin and with said energy storage system; an electronic control system; at least one auxiliary air source, each said auxiliary air source comprising; a duct in fluidic communication with a predetermined air source other than said at least one permanently open entry vent, said duct also being in selective fluidic communication with said energy storage system; and an actuator door selectively movable between a closed position and an open position with respect to said duct, wherein at said closed position said energy storage system is substantially free of fluidic communication with said predetermined air source with respect to said duct, and wherein said actuator door is selectively movable in response to said electronic control system; and a blower connected to said electronic control system and in fluidic communication with said energy storage system, with said at least one entry vent, with the respective said duct of each said auxiliary air source, and with said at least one exit vent. - View Dependent Claims (2, 3, 4, 5, 6)
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7. A method for thermal conditioning of an energy storage system of a motor vehicle, said thermal management system comprising the steps of:
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determining an optimal energy storage system performance temperature range; detecting a thermal condition of the energy storage system; drawing air from a permanently open air source through the energy storage system in response to said steps of detecting and determining; sensing air temperature of at least one auxiliary air source other than the permanently open air source; and selectively drawing air from the at least one auxiliary air source through the energy storage system in further response to said steps of detecting, determining and sensing; wherein said step of selectively drawing air comprises selectively varying the amount of the drawn air from at least one auxiliary air source in response to said step of sensing. - View Dependent Claims (8, 9, 10, 11, 12, 13, 14, 15, 16, 17)
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Specification