F - Mech Eng,Light,Heat,Weapons – 25 – B
Patent
F - Mech Eng,Light,Heat,Weapons
25
B
F25B 39/02 (2006.01) F25B 31/00 (2006.01)
Patent
CA 2439476
An evaporator for a refrigeration chiller includes a tube bundle in which at least a portion of the tubes of the tube bundle are immersed in a pool which include both liquid refrigerant and is lubricant. Liquid refrigerant and lubrican are deposited into the pool at a first pool location. Because of the vaporization of refrigerant that occurs within the pool, a pattern of flow is established and managed that causes the lubricant in the pool to migrate from the location of its deposit into the pool to a second pool location. An outlet is provided at the second pool location from which lubrican is drawn out of the evaporator.
L'invention concerne un évaporateur pour réfrigérant, qui comprend un faisceau de tubes dont au moins une partie des tubes est immergée dans un bassin contenant à la fois un frigorigène liquide et un lubrifiant. Le frigorigène liquide et le lubrifiant sont déposés à un premier emplacement à l'intérieur du bassin. Du fait de la vaporisation du frigorigène qui survient à l'intérieur du bassin, une configuration d'écoulement est établie et gérée de façon à amener le lubrifiant dans le bassin à migrer de son emplacement de dépôt à un second emplacement du bassin. Un orifice de sortie ménagé au niveau du second emplacement du bassin sert à soutirer le lubrifiant de l'évaporateur
Hartfield Jon P.
Peck William J.
Ring H. Kenneth
Smith Sean A.
American Standard International Inc.
Fetherstonhaugh & Co.
Trane International Inc.
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