Fluid handling – Line condition change responsive valves – With separate connected fluid reactor surface
Patent
1979-11-05
1981-07-07
Weakley, Harold W.
Fluid handling
Line condition change responsive valves
With separate connected fluid reactor surface
13750529, 13750541, 13750542, 251DIG1, F16K 3112
Patent
active
042769027
ABSTRACT:
A fluid pressure regulator valve has a rigid plastic composition valve housing having a coaxial aligned opposed inlet port and outlet port, and a hollow cylindrical interior having four stepped successively larger selected bore diameters on serially proceeding from the bottom deep base bore to the top screw cap retainer bore. A cylindrical sealing solid piston has a first flat piston crown end face and an opposed second flat piston end face, the second end face having a larger diameter than the crown face, and has one diametrically concentric fluid transfer channel disposed in and circumferentially around the piston cylindrical axis adjacent to the first piston face. A cylindrical screw cap has a shaped hollow dome and screw threads secured in the hollow cylindrical valve housing interior. An interior fluid distribution annular washer is secured in an annular washer recess disposed in the interior face of the screw cap. The washer has multiple concentric radial apertures extending normally from the washer symmetry axis, providing a connecting fluid flow path to a concentric tubular cap bore disposed in the screw cap. O-rings disposed in the several O-ring channels provide separation of the pressurized fluid flow from valve actuating means. an O-ring sealing shoulder disposed on the slidable piston adjacent to the fluid transfer channel provides a piston seal against fluid flow.
REFERENCES:
patent: 2335935 (1943-12-01), Hanley
patent: 2552053 (1951-05-01), Miller
patent: 2660834 (1953-12-01), MacGlashan
patent: 2971090 (1961-02-01), Piet
patent: 2982294 (1961-05-01), Koutnik
patent: 3064670 (1962-11-01), Peras
patent: 3181561 (1965-05-01), Schaller
patent: 3731905 (1973-05-01), Piet
patent: 3791412 (1974-02-01), Mays
Jones, Sr. J. L.
RK Industries
Weakley Harold W.
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