Refrigeration – Gas compression – heat regeneration and expansion – e.g.,...
Patent
1989-06-26
1990-05-15
Capossela, Ronald C.
Refrigeration
Gas compression, heat regeneration and expansion, e.g.,...
60520, 310 15, 417417, F25B 900
Patent
active
049246755
ABSTRACT:
A linear motor compressor within a cryogenic refrigerator wherein the compressor space, within which a gaseous fluid is alternately compressed and expanded, is formed by a stationary piston and a reciprocating armature that is concentric about the piston. The armature is supported along a clearance seal the stationary piston. An axial bore along the stationary piston conveys gaseous fluid from the compression space to a displacer within the cold finger of the cryogenic refrigerator. An isolator for reducing transimission into and out of the compressor comprising a dynamic absorber and flat springs mounted with a damping material between the compressor and a mounting frame. A sensor for detecting the position of the armature utilizes a target magnet whose magnetic flux lines are decoupled from the flux lines generated about the coil.
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Technical Report; Rotary-Reciprocating Cryogenic Refrigeration System Studies Part 1 Analysis; Arthur D. Little, Inc.; 1971.
Heger Frank
Higham Graham J.
Livingstone James
Morris Ronald
Pruitt Gerald R.
Capossela Ronald C.
Helix Technology Corporation
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