F - Mech Eng,Light,Heat,Weapons – 25 – B
Patent
F - Mech Eng,Light,Heat,Weapons
25
B
F25B 45/00 (2006.01) F25B 13/00 (2006.01)
Patent
CA 2598277
A refrigerant cycle is provided with a single three-way service valve that is utilized for draining and adding refrigerant. In the prior art, a second two- way valve was used in combination with the three-way valve. The present invention simply drains the refrigerant, and does not need to return the refrigerant. The present invention is particularly well suited for use with an environmentally benign refrigerant such as CO2.
L'invention concerne un cycle de fluide frigorigène qui comprend une vanne d'alimentation à trois voies, utilisé pour éliminer et ajouter un fluide frigorigène. Dans la technique antérieure, une autre vanne à trois voies était utilisée conjointement à ladite vanne à trois voies. L'invention consiste simplement à éliminer le fluide frigorigène sans le réutiliser. L'invention est particulièrement apte à être utilisée avec un fluide frigorigène sans danger pour l'environnement, de type CO2.
Chen Yu
Sienel Tobias H.
Carrier Corporation
Norton Rose Or S.e.n.c.r.l. S.r.l./llp
LandOfFree
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