Refrigeration – Gas compression – heat regeneration and expansion – e.g.,...
Patent
1983-08-26
1985-06-04
Capossela, Ronald C.
Refrigeration
Gas compression, heat regeneration and expansion, e.g.,...
60520, 74569, 92136, F25B 900
Patent
active
045206295
ABSTRACT:
An improved cryogenic refrigerator having a drive mechanism suitable for use with gap or clearance seals is disclosed. The drive mechanism includes two reciprocating members, e.g. piston and regenerator/displacer, driven by a common rotating drive shaft. The regenerator/displacer portion of the drive shaft includes a roller at one end in engagement with a rod base plate for driving a rod connected to the regenerator/displacer and a spring for returning the regenerator/displacer simultaneously with the withdrawal of the drive shaft. The piston portion of the drive shaft is connected to a first end of a hollow body. The second end of the hollow body which is opposite the first end has the piston rigidly affixed thereto. The hollow body has a portion adjacent the first end supported by a guide whereby the piston is substantially isolated from side force loads during reciprocation.
REFERENCES:
patent: 3118322 (1964-01-01), Oldberg et al.
patent: 3416308 (1968-12-01), Livezey
patent: 3574998 (1971-04-01), von Bredow et al.
Andrews Gary W.
Dix Robert M.
Ellis Timothy A.
Bandy Alva H.
Capossela Ronald C.
Heiting Leo N.
Sharp Melvin
Texas Instruments Incorporated
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