Heat exchange – With timer – programmer – time delay – or condition responsive... – Temperature responsive or control
Patent
1999-04-20
2000-11-21
Ford, John K.
Heat exchange
With timer, programmer, time delay, or condition responsive...
Temperature responsive or control
165 41, 237 2A, 237 123B, 237 123R, 237 123A, 429120, 429 62, 429163, H01M 200, H01M 1050, B60H 100
Patent
active
061489107
ABSTRACT:
A system provides a controlled supply of heat from an automotive engine to attery on board the vehicle. The system has a fluid circuit, a portion of which passes through an insulated box containing the battery and thereby heats the battery. Another portion of the fluid circuit bypasses the box. The fluid circuit has one or more valves for selectively interrupting flow of heated fluid to the box, the valves operating in response to driver input or signals sent by a temperature sensor in the box. The box itself is comprised of rigid side walls of insulative material, a floor of the same material and a lid that closely fits to the side walls in only one orientation relative to the box. On the box's inner peripheral surface is a heat reflective layer to which is mounted the battery heating coil of the fluid circuit. A low heat conductive spacer borders air gaps between the battery and the heating coil.
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Ford John K.
Kuhn David L.
Taucher Peter A.
The United States of America as represented by the Secretary of
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