Fluent material handling – with receiver or receiver coacting mea – Diverse fluid containing pressure filling systems involving... – Filling with exhausting the receiver
Patent
1990-02-21
1994-09-06
Cusick, Ernest G.
Fluent material handling, with receiver or receiver coacting mea
Diverse fluid containing pressure filling systems involving...
Filling with exhausting the receiver
141 65, 2511496, 285315, B65B 304
Patent
active
RE0347159
ABSTRACT:
A device is disclosed for controlling the flow of refrigerant into a system and for controlling the application of a vacuum to evacuate the system via the same device prior to charging. The device is configured for controlling flow at the charging port to avoid loss of refrigerant from connecting lines. Piston operated valving internally mounted in a valve body controls the communication of refrigerant and vacuum sources to an outlet opening receiving a tubular charging port of the system to be charged. A pressure operated clamping piston actuates the gripping rings to secure the device to the charging port prior to both evacuation and charging and also acts to open the charging port valving as the fitting is clamped and sealed thereto. The outlet opening is defined by an end cap which is detachable from the fitting to allow use with different configuration charging ports by replacement with another end cap.
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Gudenau Ronald A.
Tamasiunas Charles
Cusick Ernest G.
Lucas Hartridge, Inc.
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