Fluid sampler and minimum-included-air-coupling

Details Fluid sampler and minimum-included-air-coupling Fluid sampler and minimum-included-air-coupling

1977-12-14

1979-04-24

Queisser, Richard C.

Measuring and testing

Measuring vessel

285277, F16L 3722, G01N 110

Patent

active

041505751

ABSTRACT:
A coupling that permits a connection to be made to a fluid system with a minimum of included air, even though the coupled device is not pre-filled. The coupling is particularly advantageously employed as part of a sampler used to take fluid samples for analysis as to air content. It includes a valve housing, a valve seat slidable within the housing and a valve closure member slidable within the seat. A lost motion mechanism allows joint movement of the seat and closure member prior to disengagement of the seat from the closure member. The fluid passage by which fluid is withdrawn from the system extends through the closure member.

REFERENCES:
patent: 3174508 (1965-03-01), Zahuranec
patent: 3267963 (1966-08-01), Hupp
patent: 3778092 (1973-12-01), Magorien
patent: 3791411 (1974-02-01), Bogeskov et al.

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