Valves and valve actuation – With correlated flow path – Valve operated by motion of flow path
Patent
1996-11-18
1998-07-07
Lee, Kevin
Valves and valve actuation
With correlated flow path
Valve operated by motion of flow path
2511491, F16K 1514
Patent
active
057756716
ABSTRACT:
A normally closed valve that may be opened upon insertion of a nozzle, wherein an actuator that engages the nozzle is shaped to enhance the ability to flush thoroughly the interior volume of the valve, which includes a valving chamber. Located in the valving chamber is an actuateable valve element that, in a first position, blocks flow through the passageway passing through the housing and that, in a second position, permits flow through the passageway. The actuator, which has a perimeter wall, is disposed adjacent the actuateable valve element. The inlet end of the actuator engages the nozzle when the nozzle is inserted into the valve, and the actuator urges the actuateable valve element into the second position when the nozzle pushes on the actuator. The perimeter wall may define an interior actuator path passing through the inside of the actuator. An exterior actuator path passes between the perimeter wall and the housing. The actuator includes structures for permitting flow from the nozzle to the exterior actuator path, and in a preferred embodiment, structures disposed on the perimeter wall's outlet end permit flow from the interior actuator path to the valving chamber. The actuator preferably further includes a structure, disposed within the perimeter wall, for restricting flow through the interior actuator path. This structure for restricting flow preferably includes a transverse wall mounted to and within the perimeter wall. Protrusions on the exterior of the perimeter wall may be used to keep the actuator centered in the valve.
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Lee Kevin
Nypro Inc.
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