Pumps – Motor driven – Fluid motor
Patent
1983-02-28
1985-04-02
Smith, Leonard E.
Pumps
Motor driven
Fluid motor
6064115, F04B 1700
Patent
active
045084939
ABSTRACT:
This pump operates by repeatedly forcing water alternately first through a heater and later through a cooler in such a way that a stream of heated water arrives at a pressurization chamber in the form of steam during one time period and a succeeding stream of cooled water arrives at the chamber in an alternate time period, thereby producing alternate pressurizations and depressurizations within the chamber, and the pressure alternations are transmitted to an adjacent pumping chamber by means of a diaphragm separating the two chambers. During the low pressure period in the pumping chamber, water is drawn in through an inlet check valve and during the high pressure period it is expelled through an exit check valve, and the energy to drive the alternating water streams is derived from the pressurizing steam forcing water into an air chamber compressing air so that in a subsequent period the compressed air forces water through the heater and then the cooler.
REFERENCES:
patent: 684379 (1901-10-01), Rayner
patent: 4177019 (1979-12-01), Chadwick
patent: 4207034 (1980-06-01), Zelmer
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