Apparatus for the maintenance of refrigeration equipment

Details Apparatus for the maintenance of refrigeration equipment Apparatus for the maintenance of refrigeration equipment

1981-06-18

1983-01-11

Wayner, William E.

Refrigeration

With means for charging closed refrigeration producing system

62 77, F25B 4500

Patent

active

043676375

ABSTRACT:
The maintenance of refrigeration equipment, for example on board airborne refrigeration equipment, is greatly facilitated by a portable maintenance apparatus. For this purpose the portable apparatus comprises a first section for pressure emptying any refrigeration circulatory conduits by using pressurized nitrogen. A second section including at least one hand operated pump is used for refilling the refrigeration circulatory conduits with refrigerant. Both sections are provided with quick-release couplings for a rapid connection to and disconnection from a refrigeration system. The apparatus also includes a venting device for venting the refrigeration system including any intermediate circulatory conduits.

REFERENCES:
patent: 2746258 (1956-05-01), Hagans
patent: 3299524 (1967-01-01), Jacobs
patent: 3443392 (1969-05-01), Alexander
patent: 4083399 (1978-04-01), Babish et al.
patent: 4285206 (1981-08-01), Koser

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