Apparatus having refrigeration cycle

Details Apparatus having refrigeration cycle Apparatus having refrigeration cycle

1999-02-26

2000-04-04

Bennett, Henry

Refrigeration

Refrigeration producer

With lubricant handling means

F25B 4302

Patent

active

060446609

ABSTRACT:
In an apparatus having a refrigeration cycle, the refrigeration cycle is formed by annularly connecting a compressor, a condenser, an expansion device and an evaporator with one another, the apparatus uses propane, isobutane or ethane as a refrigerant, and uses refrigerating machine oil having less mutual solubility with the refrigerant, and a dryer is provided in the refrigeration cycle for absorbing water. In stead of the dryer, an additive which reacts with water may be included in said refrigerating machine oil. With this arrangement, the amount of the refrigerant can be reduced, and the long term reliability of the apparatus can be obtained.

REFERENCES:
patent: 4482465 (1984-11-01), Gray
patent: 5531080 (1996-07-01), Hirahara et al.
patent: 5858266 (1999-01-01), Kaneko

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