Fluid handling – Line condition change responsive valves – Pilot or servo controlled
Patent
1995-10-03
1998-01-13
Hepperle, Stephen M.
Fluid handling
Line condition change responsive valves
Pilot or servo controlled
137552, 25112904, 251206, 251329, F16K 330
Patent
active
057068526
ABSTRACT:
A multi-orifice plate carrier for use in a modified orifice fitting and a differential pressure-operated, mechanical valve and piston system for vertically and horizontally adjusting the multi-orifice plate carrier to facilitate recordation of various line pressures on an appropriate recording meter. In a preferred embodiment two or more pressure recording meters are fitted with corresponding meter valves and a common pressure selector valve, along with a spring-loaded or fluid-operated plate piston connected to the multi-orifice plate carrier and a horizontal adjusting bar engaging the plate piston rod, to facilitate vertical adjustment of the multi-orifice plate carrier, horizontal shifting of the orifice plate carrier and resulting alignment of an orifice of selected diameter in the line bore of the orifice and reading of a corresponding recording meter responsive to automatic operation of the pressure selector valve and meter valves. Fully automatic vertical adjustment of the multi-orifice plate carrier may be effected by implementing a remote, radio-operated transceiving unit to actuate a pneumatic switching valve and actuate the pressure selector valve and plate piston.
REFERENCES:
patent: 2314152 (1943-03-01), Mallory
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patent: 4838310 (1989-06-01), Scott et al.
patent: 5148829 (1992-09-01), Deville
Harrison John M.
Hepperle Stephen M.
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