Gas cycle machine

Details Gas cycle machine Gas cycle machine

1988-09-02

1989-10-10

Capossela, Ronald C.

Refrigeration

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

60520, F25B 900

Patent

active

048723134

ABSTRACT:
A gas cycle machine includes a moving coil composed of a first moving coil portion and a second moving coil portion opposing to the first moving coil portion and a magnetic circuit is constituted such that magnetic flux in a first gap in which the first moving coil portion is disposed passes through the first moving coil portion inwardly and magnetic flux in a second gap in which the second moving coil portion is disposed passes through the latter outwardly. Magnetic flux of a permanent magnet passes through the first and the second gaps in opposite directions, respectively, and, therefore, a closed magnetic circuit is composed of the permanent magnet, a cylinder of soft iron and an annular disc, which eliminates the necessity of providing a large circular disc as in the conventional engine.

REFERENCES:
patent: 3774405 (1973-11-01), Leo
patent: 3991585 (1976-11-01), Mulder
patent: 3991586 (1976-11-01), Acord
patent: 4044558 (1977-08-01), Benson
patent: 4188791 (1980-02-01), Mulder
patent: 4199945 (1980-04-01), Finkelstein
patent: 4372127 (1983-02-01), Pohlmann et al.
patent: 4498296 (1985-02-01), Dijkstra et al.

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