F - Mech Eng,Light,Heat,Weapons – 25 – J
Patent
F - Mech Eng,Light,Heat,Weapons
25
J
F25J 3/00 (2006.01) F25J 3/04 (2006.01)
Patent
CA 2094054
D-16977 - 22 - CRYOGENIC RECTIFICATION SYSTEM WITH HELICAL DRY SCREW EXPANDER ABSTRACT An improved helical dry screw expander particularly suited for cryogenic service and its use in a cryogenic rectification system. The improved helical dry screw expander is particularly advantageous in a cryogenic waste expansion cycle particularly for nitrogen production. SK:lmw WP+ 516 4-10-92
Kun Leslie Charles
Nenov Neno Todorov
Praxair Technology Inc.
Sim & Mcburney
LandOfFree
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