Thermo-pneumatic pump

Details Thermo-pneumatic pump Thermo-pneumatic pump

1978-10-25

1982-07-06

Freeh, William L.

Pumps

By heating of pumped fluid

219511, F04B 1924

Patent

active

043380654

ABSTRACT:
A thermo-pneumatic pump especially for indicating the state of fill in a liquid container. The pump includes a pump chamber and housing, a valve, a heating conductor positioned in the pump chamber and an electric switch controlled by the heating conductor. The heating conductor is attached at one end to the actuating element of the electric switch.

REFERENCES:
patent: 2510427 (1950-06-01), Soucie
patent: 2554534 (1951-05-01), Long et al.
patent: 3142149 (1964-07-01), Hays
patent: 3798894 (1974-03-01), Romanenko et al.

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