Valves and valve actuation – Fluid actuated or retarded – Pilot or servo type motor
Patent
1993-05-14
1993-12-21
Walton, George L.
Valves and valve actuation
Fluid actuated or retarded
Pilot or servo type motor
251120, F16K 31385
Patent
active
052716007
ABSTRACT:
A unitary diaphragm assembly for use in conventional flush valves. The diaphragm assembly has a flexible diaphragm which includes a seating portion and a mounting portion at the outer peripheral edge. A flow ring is positioned adjacent to the seating portion of the diaphragm. An elongated barrel member extends from the diaphragm in a longitudinal direction and includes a plurality of radial guides positioned circumferentially around the outer surface of the barrel member along a portion of the length of the barrel member. A second embodiment has a flexible diaphragm connected to a cylinder slide. The cylinder slide includes a longitudinal barrel member with a relief valve positioned in the interior of the lower portion of the barrel member.
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Beaumont John
Farrell Robert E.
Knoll Christopher C.
Ralston John D.
Saadi Robert E.
Walton George L.
Zurn Industries, Inc.
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