Multiple-stage pump compressor

Refrigeration – Automatic control – Of external fluid or means

Patent

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Details

622351, 237 2B, 417253, 417379, 417394, F25D 1702, F04B 2500

Patent

active

044295405

ABSTRACT:
A multiple-stage pump compressor is disclosed for utilization in a heating or cooling system which comprises separate hot and cold containers connected to flexible members within pressure chambers in each of a plurality of pumping stages.

REFERENCES:
patent: 1885793 (1932-11-01), Bailey
patent: 2844301 (1958-07-01), Newton
patent: 3227314 (1966-01-01), Porter et al.
patent: 3527059 (1970-09-01), Rust et al.
patent: 3586461 (1971-06-01), Erlandson
patent: 3937599 (1976-02-01), Thureau et al.
patent: 4177019 (1979-12-01), Chadwick
patent: 4256475 (1981-03-01), Schafer

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