Cryogenic fluid delivery system

Details Cryogenic fluid delivery system Cryogenic fluid delivery system

2006-12-05

2006-12-05

Stashick, Anthony (Department: 3746)

Pumps

Motor driven

Fluid motor

C062S050600

Reexamination Certificate

active

07144228

ABSTRACT:
A cryogenic fluid delivery system includes a pump having a pumping cylinder within which a sliding pumping piston is positioned. The pump also includes an actuating cylinder within which a sliding actuating piston is positioned and a supplemental linear actuator, such as a hydraulic cylinder. The pumping and actuating pistons and supplemental linear actuator are joined by connecting rods. A portion of the cryogenic liquid pumped from a storage tank is vaporized in a heat exchanger and introduced into the actuating cylinder to power the pump with the assistance of the supplemental linear actuator so that high pump discharge pressures may be obtained.

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patent: 5884488 (1999-03-01), Gram et al.
patent: 6210131 (2001-04-01), Whitehead

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