Cryogenic reciprocating pump

Details Cryogenic reciprocating pump Cryogenic reciprocating pump

1980-10-31

1983-08-02

Freeh, William L.

Pumps

Expansible chamber type

Having additional chamber intake connection from nonpumping...

417 53, 417539, 62 555, 92144, F04B 3908, F04B 1508

Patent

active

043963625

ABSTRACT:
The cryogenic reciprocating pump includes a pump body having a cylindrical pumping chamber extending from the forward end of the pump body to the pump body rearward end. A piston is reciprocated in the pumping chamber under the control of a piston rod extending from the pumping chamber. A packing assembly surrounds the piston rod and is coupled through an intermediate section to the rearward end of the pump body. The intermediate section comprises a tubular shell of low thermal conductivity material and a corrugated metal expansion member. The packing assembly is affixed to a support member connected to the pump body at the forward end thereof.

REFERENCES:
patent: 2730957 (1956-01-01), Riede
patent: 2888879 (1959-06-01), Gaarder
patent: 3083648 (1963-04-01), Putman
patent: 3136136 (1964-06-01), Gottzmann
patent: 3263622 (1966-08-01), Tyree, Jr.
patent: 4036618 (1977-07-01), Leonard et al.
patent: 4156584 (1979-05-01), Schuck

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