Split ring seal for cryogenic refrigerator

Details Split ring seal for cryogenic refrigerator Split ring seal for cryogenic refrigerator

1981-04-20

1982-10-26

Capossela, Ronald C.

Refrigeration

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

277198, 277236, F25B 900

Patent

active

043555195

ABSTRACT:
A cryogenic refrigerator has a split seal at the interface between a displacer and cylinder. An expander ring presses the seal ring against the cylinder. The seal ring is also axially loaded against one face of a groove in which it is positioned. Preferred spring elements for axially loading the seal ring include a U-cross-section spring and a spring washer.

REFERENCES:
patent: 1151265 (1915-08-01), Haggard
patent: 1336670 (1920-04-01), Anderson
patent: 3364675 (1968-01-01), Dorer
"Engineer's Handbook; Koppers Co. Inc., Nineth Edit. 1975.

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