Two-stage split-cycle cooler with pneumatic piston

Details Two-stage split-cycle cooler with pneumatic piston Two-stage split-cycle cooler with pneumatic piston

1977-02-28

1978-05-23

King, Lloyd L.

Refrigeration

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

F25B 900

Patent

active

040908585

ABSTRACT:
A Stirling-cycle refrigerator including a compressor portion having two cnders with respective pistons therein, and an expansion portion with a cylinder having first and second distinct spaces, and with opposite ends of an expansion piston in the distinct spaces. The two cylinders of the compressor portion are connected by respective refrigerant conduits to the two spaces of the expansion portion. The end of the expansion piston in the first space has a regenerator therein. The two pistons of the compressor are driven 180.degree. out of phase, whereby the respective conduits simultaneously induce compression in the first expansion portion space and expansion in the second. The conduit between the second space and the respective compressor cylinder additionally includes a regenerator.

REFERENCES:
patent: 3423948 (1969-01-01), Cowans
patent: 3472037 (1969-10-01), Kohler et al.
patent: 3933000 (1976-01-01), Doody
patent: 4036027 (1977-07-01), Bamberg

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