Arthur D. Little, Inc.

Richard J Whitehead

Yoshitaka Shibamoto

Ronald J Forni

John E McCullough

Hiromichi Ueno

Hiroyuki Taniwa

Shigeki Hagiwara

Robert M Lucas

Katsumi Sakitani

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.

Thermal isolation arrangement for scroll fluid device

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Chelmsford, MA, United States of America

Richard J Whitehead