Miniature cryogenic cooling system with split-phase dual compres

Details Miniature cryogenic cooling system with split-phase dual compres Miniature cryogenic cooling system with split-phase dual compres

1982-03-16

1983-05-31

Capossela, Ronald C.

Refrigeration

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

F25B 900

Patent

active

043854990

ABSTRACT:
A miniature cryogenic cooling system having low microphonics and thermophonics. The apparatus includes a cold finger incorporating primary and secondary working volumes and their associated regenerative beds. Both volumes are adapted to effect cooling. A displacer reciprocates within the cold finger under the influence of push-pull pressure waves from a 180.degree. opposed compressor assembly. The cold finger includes an arrangement for providing pneumatic cushioning of the reciprocating displacer to control displacer slamming.

REFERENCES:
patent: 3523427 (1970-08-01), Simpson
patent: 4078389 (1978-03-01), Bamberg
patent: 4090859 (1978-05-01), Hanson
patent: 4092833 (1978-05-01), Durenec
patent: 4206609 (1980-06-01), Durenec

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