Cryogenic compressor

Details Cryogenic compressor Cryogenic compressor

1987-11-23

1989-04-04

Capossela, Ronald C.

Refrigeration

Gas compression, heat regeneration and expansion, e.g.,...

60520, 417439, F25B 900

Patent

active

048173908

ABSTRACT:
A cryogenic compressor wherein a compression space and a buffer space which are partitioned off from each other by means of a reciprocating piston are directly connected together through a passage which is provided with a check valve that allows a gas to flow only from the buffer space to the compression space and a purification chamber filled with a purifying substance. Thus, when the pressure within the compression space is about to become lower than the pressure within the buffer space, the gas is led from the buffer space to the compression space via the passage which connects these spaces directly to each other through the check valve, and even if this gas has been contaminated, it is purified by the purifying substance charged in the purification chamber and therefore the contamination of the working gas is prevented.

REFERENCES:
patent: 3640082 (1972-02-01), Dehne
patent: 3793846 (1974-02-01), Dehne
patent: 4024727 (1977-05-01), Berry et al.
patent: 4498296 (1985-02-01), Dijrstra et al.
"Overview of Free-Piston Stirling SP-100 Activities at the NASA Lewis Research Center" paper 86-1-30, Proc. of the 3rd ISEC, 3/1986.
"Cryocoolers (II)" G. Walker, Plenum Press, New York: 3/1983.

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