Compressor-expander apparatus

Details Compressor-expander apparatus Compressor-expander apparatus

1976-12-27

1979-02-13

Vrablik, John J.

Power plants

Motor operated by expansion and/or contraction of a unit of...

Unit of mass is a gas which is heated or cooled in one of a...

62402, 418 9, 418122, 418191, F02G 104, F25D 900, F01C 120, F01C 1904

Patent

active

041388488

ABSTRACT:
A single rotary fluid unit can act either as a compressor or as an expander. Each unit has a casing enclosing two rotors moved in synchronism. The rotors sealingly engage and coact with each other and the casing walls to form chambers providing the necessary intake and exhaust functions. Two units can be connected together to operate in a mirror-like or reverse fashion whereby one unit is a compressor and the other unit is an expander. The thus formed compressor-expander units or apparatus can be connected to additional apparatus to form a Stirling cycle engine or an air cycle refrigeration apparatus.

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patent: 3472445 (1969-10-01), Brown
patent: 3612735 (1971-10-01), Graham
patent: 3860366 (1975-01-01), Haglund et al.

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