Fluid handling – Systems – Flow path with serial valves and/or closures
Patent
1991-08-15
1992-07-21
Chambers, A. Michael
Fluid handling
Systems
Flow path with serial valves and/or closures
2511497, 62 507, 1373293, F16K 5100, F17C 1300
Patent
active
051314290
ABSTRACT:
A quick disconnect fluid injection assembly for delivering a cryogenic fluid into a container is disclosed. A passage, having an entrance and an exit, provides access to the inside of the container. A pre-valve adjacent to the entrance blocks the passage to exclude dirt and debris and a fluid check valve adjacent to the exit prevents backflow of fluid from the container through the passage. In use, an elongated injector is inserted into the passage. The injector first opens the pre-valve and then the fluid check valve and thereafter injects cryogenic fluid through the check valve into the container.
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Chambers A. Michael
Janis Research Company, Inc.
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