Valves and valve actuation – Electrically actuated valve – Including solenoid
Patent
1988-12-08
1990-03-06
Rosenthal, Arnold
Valves and valve actuation
Electrically actuated valve
Including solenoid
251356, 251357, F16K 148, F16K 3106
Patent
active
049059602
ABSTRACT:
A valve stroke adjustment locking mechanism comprising a valve seat having an axially extending bore therethrough and a seating surface. A valve operator is provided having an elongated member which is extended through the axial bore and is reciprocatable between a first open position and a second closed position. The elongated member includes a threaded end portion which extends from the valve seat for accommodating a valve assembly which is provided with a top portion forming a sealing face and a bottom portion having a central opening adapted to receive the threaded end portion of the elongated member. A closed end nut threadingly engages the threaded end portion of the elongated member and contacts the valve assembly for positioning the sealing surface a predetermined spacing from the seating surface. A transverse hole is then electromechanically discharge machined transversely through the closed end nut and the threaded end portion of said piston member and a pressure fit pin is forced into the hole to rigidly fix the closed end nut relative to the elongated member in order to maintain the predetermined spacing without forming any paths of leakage.
REFERENCES:
patent: 2247099 (1941-06-01), Rice
patent: 3368791 (1968-02-01), Wells
patent: 4530486 (1985-07-01), Rusnak
Barnhart Brett
Slachter Al
Cummins Engine Company, Inc.
Rosenthal Arnold
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