Measuring and testing – Fluid pressure gauge – Mounting and connection
Patent
1978-06-01
1980-04-08
Woodiel, Donald O.
Measuring and testing
Fluid pressure gauge
Mounting and connection
13767512, G01L 700
Patent
active
041966341
ABSTRACT:
A rotary valve device for the selective connection of a pressure sensing device to any one of a number of separate pressure lines in a hydraulic control system, the selector valve comprising a cylindrical valve base with axial pressure line bores on a circle and a pressure relief bore on a larger radius, each bore having arranged therein a spring-loaded valve with a valve plunger whose protruding head cooperates with a rotatable selector disc. The selector disc, settable by means of a selector sleeve, carries a selector cam for the pressure line valves and a series of pressure relief cams for the pressure relief valve which is opened half-way between adjacent pressure line connection positions. A detent mechanism, with detent cams on the selector disc, positions the device in all pressure line connecting positions and pressure relief positions. A pressure gauge is connected to the pressure line valves via a central connecting cavity.
REFERENCES:
patent: 3246667 (1966-04-01), Pemberton
patent: 3511273 (1970-05-01), Bartholomaus
patent: 3526136 (1970-09-01), Caldwell, Sr. et al.
patent: 3881358 (1975-05-01), Wolfges
Geiger Joseph A.
Woodiel Donald O.
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