Temperature responsive 3-way line valve with shape memory alloy

Automatic temperature and humidity regulation – Thermostatic – In fluid controlled

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Details

236101D, G05D 2302

Patent

active

052615979

ABSTRACT:
The invention provides a self-contained automatic temperature-responsive three-way line valve. A tubular valve member is axially slidable between first and second limit positions for selectively directing fluid from an inlet port to a first outlet port or a second outlet port. The valve member is disposed between a pair of opposed compression springs, one being a conventional spring biasing the valve member to the first limit position and the other being an SME spring which overcomes the bias of the first-mentioned spring when the fluid exceeds a given temperature.

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