Thermo-electric responsive device

Power plants – Motor operated by expansion and/or contraction of a unit of... – Mass is a solid

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60531, F03G 706

Patent

active

045093288

ABSTRACT:
An electro-thermal actuating element. The element includes a container closed by a deformable element. The container holds a liquid and a positive thermal coefficient heating element. The heating element has a temperature/resistance curve having a sharp upward bend in a predetermined temperature range. The evaporation temperature of the liquid corresponds to the bend in the curve so that when the liquid is vaporized, the heating element is essentially switched off. The vaporization of the liquid deforms the membrane which is used for actuating external devices.

REFERENCES:
patent: 3664698 (1972-05-01), Stropkay
patent: 4016722 (1977-04-01), Neiderer, Sr.
patent: 4079589 (1978-03-01), Birli
patent: 4104507 (1978-08-01), Tisone et al.

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