Valves and valve actuation – Electrically actuated valve – Freely rotatable ball valve
Patent
1989-08-21
1990-07-03
Rosenthal, Arnold
Valves and valve actuation
Electrically actuated valve
Freely rotatable ball valve
25112915, 25112918, 2989013, F16K 3106
Patent
active
049384511
ABSTRACT:
The amount of protrusion of an end of a standard length push pin from a stationary part of a solenoid-actuated valve is measured at a certain point in the valve fabrication process. Then before the armature is assembled into the valve, a depression whose depth is based on the push pin protrusion measurement is coined into the end of the armature that is to bear against the protruding end of the push pin. When the armature is assembled, the protruding end of the push pin seats in the depression that has been formed in the end of the armature with the result that the air gap between this end of the armature and the stationary part from which the push pin protrudes is the desired thickness. The process is well-suited for automated operation so that maximum production efficiencies can be attained.
REFERENCES:
patent: 4640391 (1987-02-01), Maehara et al.
Demere Sims B.
Hensley Thomas
Weaver Richard D.
Boller George L.
Rosenthal Arnold
Siemens-Bendix Automotive Electronics L.P.
Wells Russel C.
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