Internal heater module for cryogenic refrigerators and Stirling

Details Internal heater module for cryogenic refrigerators and Stirling Internal heater module for cryogenic refrigerators and Stirling

1979-07-18

1981-01-20

King, Lloyd L.

Refrigeration

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

60523, F25B 900, F01B 2910, F02G 104

Patent

active

042454778

ABSTRACT:
Heat energy is supplied to the hot volume of a Vuilleumier cycle cryogenic refrigerator, or to a Stirling cycle heat engine, with and by the inventive heater module which is disposed within the hot working volume of the machine. The heater module is in contact with the working fluid within the hot volume, thereby more efficiently supplying heat energy to the machine. This invention accomplishes heat input to the most optimum place, namely: inside the hot volume. A preferred embodiment and a variation are taught.

REFERENCES:
patent: 2127286 (1938-08-01), Bush
patent: 2464900 (1949-03-01), Stigter
patent: 2484392 (1949-10-01), Van Heeckeren
patent: 2590519 (1952-03-01), Du Pre
patent: 2621474 (1952-12-01), Dros et al.
patent: 3319416 (1967-05-01), Renshaw
patent: 3600886 (1971-08-01), Jaspers
patent: 3853437 (1974-12-01), Horn et al.
patent: 3862546 (1975-01-01), Daniel
patent: 3892102 (1975-07-01), Leo
patent: 3991585 (1976-11-01), Mulder

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