Fluid-sampling valve for a hydraulic system

Details Fluid-sampling valve for a hydraulic system Fluid-sampling valve for a hydraulic system

1983-10-07

1985-08-27

Chambers, A. Michael

Fluid handling

Systems

Flow path with serial valves and/or closures

137504, 222397, 251120, F16K 17168

Patent

active

045372195

ABSTRACT:
For the purpose of safely sampling fluid from a high pressure hydraulic system there is provided a valve assembly in which the passage of fluid through a fluid flow passage in a valve housing is controlled by a pressure regulated flow velocity limiting valve followed by an external lever controlled passage occluding poppet valve. The flow passage feeds a needle nosed nozzle with all passages sized to limit the discharge flow velocity to a safe maximum. A pressure relief valve is provided to divert fluid to a safe discharge if nozzle flow should become impeded and pressure should build up above a predetermined level.

REFERENCES:
patent: Re23487 (1952-04-01), McCabe, Jr.
patent: 1860046 (1932-05-01), McCutcheon
patent: 2388026 (1945-10-01), Ward
patent: 2548352 (1951-04-01), Courtot
patent: 2877796 (1959-03-01), Abdo
patent: 3015341 (1962-01-01), Hedland et al.
patent: 3319648 (1967-05-01), Donner
patent: 3319717 (1967-05-01), Chenoweth
patent: 3502111 (1970-03-01), Hansen
patent: 3863673 (1975-02-01), Sitton
patent: 4078578 (1978-03-01), Buchholz

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