Thermal isolation arrangement for scroll fluid device

Details Thermal isolation arrangement for scroll fluid device Thermal isolation arrangement for scroll fluid device

1992-02-20

1994-02-15

Vrablik, John J.

Rotary expansible chamber devices

Working member has planetary or planetating movement

Helical working member, e.g., scroll

418 552, 418 556, 418 83, 418 95, F01C 104, F01C 2104, F01C 2106

Patent

active

052861791

ABSTRACT:
A thermal isolation arrangement for use in a co-rotating scroll refrigerant compressor includes various thermal insulation elements adapted to minimize heat transfer between hot rotating members of the scroll fluid device and the return refrigerant to be compressed, and between hot lubricant in the compressor and the return refrigerant. The thermal isolation elements of the present invention may be used individually or collectively to minimize the preheating of the inlet refrigerant so as to maintain the density of the return refrigerant being compressed to thereby increase the total efficiency of the scroll fluid device.

REFERENCES:
patent: 3884599 (1975-05-01), Young et al.
patent: 3994635 (1976-11-01), McCullough
patent: 4178143 (1979-12-01), Thelen et al.
patent: 4743181 (1988-05-01), Murayama et al.
patent: 4840549 (1989-06-01), Morishita et al.

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