Emergency vapor powered pump assembly

Details Emergency vapor powered pump assembly Emergency vapor powered pump assembly

1983-02-16

1985-07-09

Kashnikow, Andres

Fire extinguishers

Fluid systems

Pump supply

60671, 417379, A62C 2716

Patent

active

045276340

ABSTRACT:
Vapor powered pump assembly for emergency use. The assembly comprises a pump, a vapor powered engine, a container for storing a volatile propellant in liquid form under pressure, a heat exchanger for transferring heat from the fluid (usually a liquid) being pumped to the propellant, and means for delivering propellant vapors from the heat exchanger to the engine. The container for propellant may be either a plurality of tubes, each closed at one end, inside the heat exchanger as in FIG. 1, or a separate vessel as in FIG. 2.

REFERENCES:
patent: 1250423 (1917-12-01), Boyden, Jr.
patent: 3234746 (1966-02-01), Cope
patent: 3649136 (1972-03-01), Ruidisch
patent: 3990245 (1976-11-01), Heilemann
patent: 4068476 (1978-01-01), Kelsey
patent: 4156343 (1979-05-01), Stewart
patent: 4285201 (1981-08-01), Stewart

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