Piston engine and cryo-cooler provided with such a piston engine

Details Piston engine and cryo-cooler provided with such a piston engine Piston engine and cryo-cooler provided with such a piston engine

1989-07-20

1991-08-13

Ostrager, Allen M.

Refrigeration

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

60520, 92173, F02G 104, F25B 900

Patent

active

050385704

ABSTRACT:
A piston engine having a piston (13) journalled in radial direction with respect to the direction of movement. The rotation-free piston (13) is centered by means of two pairs of dynamic groove bearings (41,43), (47,49) with respect to a cylinder axis (39). The piston engine is particularly suitable for use in cryo-coolers.

REFERENCES:
patent: 4391103 (1983-07-01), Sarcia
patent: 4550571 (1985-11-01), Bertsch
patent: 4578956 (1986-04-01), Young
patent: 4769997 (1988-09-01), Pundak

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