Heat operated pump

Details Heat operated pump Heat operated pump

1980-07-11

1983-11-22

Gluck, Richard E.

Pumps

Expansion and contraction of pump fluid

417209, F04B 1924

Patent

active

044165870

ABSTRACT:
A pump comprising a pump chamber having an inlet and an outlet, pumping means disposed within the chamber, the pumping means being temperature sensitive and having a first stable position when at a first temperature and a second stable condition when at a second temperature, and means operable to alternately change the temperature of the pumping means from its first to its second temperature whereby fluid within the chamber is pumped out of the outlet by the movement of the pumping means between the first and second stable positions.

REFERENCES:
patent: 3937599 (1976-02-01), Thureau et al.
patent: 3986360 (1976-10-01), Hagen
patent: 4227866 (1980-10-01), Stubbs

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