Stirling machine with heat exchanger having fin structure

Details Stirling machine with heat exchanger having fin structure Stirling machine with heat exchanger having fin structure

1999-02-08

2000-12-19

Doerrler, William

Refrigeration

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

F25B 900

Patent

active

061613894

ABSTRACT:
A fin structure for cooling cold-heat refrigerant and another fin structure (slender grooves or the like) constituting a working gas flow passage are formed on the outer and inner surfaces of the heat exchange housing constituting a low-temperature heat exchanger by a lost was casting method so that these fin structures are formed integrally with the heat exchange housing. In addition, a fin structure and another fin structure constituting a working gas flow passage are integrally formed on the outer and inner surfaces of a high-temperature side heat exchanger (heat rejector). Accordingly, the heat exchangers of a Stirling machine can be manufactured in a simple structure by the lost wax casting method, whereby the workability can be enhanced and the manufacturing cost can be reduced. In addition, the precision for the workability can be enhanced, and the heat exchange efficiency and the reliability can be enhanced.

REFERENCES:
patent: 2397734 (1946-04-01), Goebel et al.
patent: 2764879 (1956-10-01), DeLange
patent: 2784570 (1957-03-01), Kohler
patent: 4458489 (1984-07-01), Walsh
patent: 4967572 (1990-11-01), Strasser
patent: 5435140 (1995-07-01), Ishino et al.
patent: 5664421 (1997-09-01), Matsue et al.
patent: 5675974 (1997-10-01), Heikrodt et al.

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