Fluid coupling with adjustable pressure relief valve
AssigneeAeroquip Corporation
InventorsAlan R. Allread, William C. Marrison
Life of this patent
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Abstract
A quick disconnect coupling for a liquid handling system is disclosed. When disconnected the first and second coupling members are valved closed. The second coupling member includes an adjustable pressure relief feature. By moving an adjustment member, the operating pressure for the pressure relief can be varied and set at a desired level.
Claims11
A fluid coupling comprising first and second coupling members, said first coupling member defining a longitudinal opening, an adapter body mounted within said first coupling member, said adapter body having a longitudinal opening, a first valve mounted for movement within said adapter body and spring means mounted within said first coupling member for urging said first valve toward a closed position, said second coupling member defining a longitudinal opening, a second valve having a valve stem positioned within said longitudinal opening, a sleeve movably positioned within said second coupling member, said sleeve defining a valve seat, a guide member having a central opening for receiving said valve stem mounted within said second coupling means, second spring means positioned within said second coupling means for urging said sleeve toward a closed position and third spring means within said second coupling member for urging said second valve toward the closed position.
A fluid coupling comprising first and second coupling members, said first coupling member defining a longitudinal opening, an adapter body mounted within said first coupling member, said adapter body having a longitudinal opening, a first valve mounted for movement within said adapter body and spring means mounted within said first coupling member for urging said first valve toward a closed position, said second coupling member defining a longitudinal opening, a second valve having a valve stem positioned within said longitudinal opening, a sleeve movably positioned within said second coupling member, said sleeve defining a valve seat, a guide member having a central opening for receiving said valve stem mounted within said second coupling means, second spring means positioned within said second coupling means for urging said sleeve toward a closed position, third spring means within said second coupling member for urging said second valve toward the closed position and an adjustment member adjacent said valve stem and engaged with said third spring means.
Dependencies are inferred from the claim text.