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1. (WO1997004215) SCROLL DECOMPRESSION DEVICE FOR CRYOGENIC TEMPERATURES

Pub. No.:    WO/1997/004215    International Application No.:    PCT/FR1996/001102
Publication Date: Feb 6, 1997 International Filing Date: Jul 16, 1996
IPC: F01C 1/02
F01C 17/00
F01C 17/06
F01C 21/02
F04C 23/00
Applicants: COMMISSARIAT A L'ENERGIE ATOMIQUE
CLAUDET, Gérard
Inventors: CLAUDET, Gérard
Title: SCROLL DECOMPRESSION DEVICE FOR CRYOGENIC TEMPERATURES
Abstract:
A temperature reduction device using scrolls for cryogenic expansion is disclosed. The device for expansion of a gaseous, liquid or two-phase fluid, comprising an expansion compartment which includes a first scroll (72), a second scroll (70) inside said first scroll, and means for enabling circular translation but not actual rotation of the second scroll inside the first scroll for fluid expansion.