Fluid handling – Line condition change responsive valves – With separate connected fluid reactor surface
Patent
1982-03-29
1983-11-08
Weakley, Harold W.
Fluid handling
Line condition change responsive valves
With separate connected fluid reactor surface
137505, 13750518, 13750537, 13750542, 267175, 267177, F16K 3112
Patent
active
044136498
ABSTRACT:
A nine position air pressure regulator includes a main regulator body member having an unregulated first pressure cavity, a regulated second pressure cavity and a valve seat between the cavities. A diaphragm is in sealing relationship to the second cavity, and the first end of a pressure regulation spring presses against the diaphragm to tend to force it into the second cavity. The spring operates inside of a cylinder, and a yoke is located at the second end of the spring away from the diaphragm. A rotor ring is rotatably mounted with respect to the main body member and threadably mounts a plurality of pairs of cap screw stops. The stops of each pair of screw stops are spaced 180.degree. apart from each other around the rotor and are adjusted to terminate at the same distance from the rotor bottom. By rotating the rotor ring, any desired pair of screw stops can be vertically aligned under the outer ends of the yoke. A piston cup in the cylinder forces the yoke and the spring toward the diaphragm under air pressure. When air pressure is applied to the piston cup in the cylinder, the spring is compressed until the yoke screw stops determines the tension on the spring and so that level of regulated pressure available at the regulated second pressure cavity.
REFERENCES:
patent: 3088486 (1963-05-01), Salmon
patent: 3357687 (1967-12-01), Vandorpoel
patent: 3856042 (1974-12-01), Fletcher
patent: 4159105 (1979-06-01), Vanderlaan
Rodd Charles R.
Rodd Doris M. E.
Scheuerman Richard L.
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