Fluid handling – Systems – With flow control means for branched passages
Patent
1976-10-21
1977-12-20
Geoghegan, Edgar W.
Fluid handling
Systems
With flow control means for branched passages
13761411, 13762546, 251161, F17D 108
Patent
active
040635724
ABSTRACT:
A switching connector for pipes and the like includes a support component and a carrier component mounted on the support component for turning about an axis. The carrier component has a passage which extends between two axial ends of the carrier component, and the support component has ports which communicate with a main pipe and with branch pipes, respectively. The passage has connecting ports at respective longitudinally spaced ends thereof which can be brought into and out of registry at least with the branch ports of the support components. A sealing arrangement is provided about the registering ports of the components, including at least one sealing ring about a port of one of the components and a disc-shaped contact member about at least one port of the other component and having a contact surface with which the sealing ring is in sealing contact when the ports communicate with one another. The disc-shaped contact member has an access opening which aligns with a non-registering port having the sealing ring around the same to afford access to the sealing ring for maintenance and replacement purposes. A closure may be provided for the access opening when the latter is in the support component, or the support component may include a closed housing having an access hole provided with a closure, through which access hole the access opening in the carrier component becomes accessible from the exterior of the housing. An auxiliary sealing arrangement may surround the sealing ring, being in contact with the contact surface of the contact member during switching of the connector from communication of the connecting port with one of the branch ports into registry with another branch port. Pressurized medium, such as pressurized air, can urge the sealing arrangement into sealing contact with the contact surface.
REFERENCES:
patent: 3319655 (1967-05-01), Palmer
patent: 3828932 (1974-08-01), Schneer
Anderegg Hans Rudolf
Muller Karl
Gebrueder Buehler AG
Geoghegan Edgar W.
Striker Michael J.
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