Refrigeration – With means for charging closed refrigeration producing system
Patent
1992-04-14
1994-02-01
Sollecito, John M.
Refrigeration
With means for charging closed refrigeration producing system
62 77, F25B 4500
Patent
active
052823660
ABSTRACT:
A hand-transportable unit for transferring refrigerants between containers includes a pump to remove refrigerant from a first container The pump is driven by a pneumatic motor. The pump is capable of transferring refrigerant in liquid form, vapor form, or simultaneously in both forms. A condenser for cooling refrigerant is in fluid communication with the pump. The unit also includes a compressor for driving the pneumatic motor to operate the pump. Optionally, the pump may be powered from an external source of compressed gas. The other components of the unit are mounted to a handcart including a frame and wheels to facilitate movement of the unit. In a preferred embodiment, unit is configured for self-evacuation by use of the pump in order to avoid cross-contamination of different refrigerants during subsequent use of the unit.
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Loose George R.
Maniez Michel J.
Reilly, Jr. John H.
National Refrigeration Products, Inc.
Sollecito John M.
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