Valves and valve actuation – Electrically actuated valve – Including solenoid
Patent
1985-10-30
1986-09-09
Rosenthal, Arnold
Valves and valve actuation
Electrically actuated valve
Including solenoid
25112921, 335237, F16K 3106, H01F 708
Patent
active
046104283
ABSTRACT:
An electromagnetic valve assembly for fluid flow control is disclosed wherein the fluid flow through the assembly is hermetically sealed. The assembly provides a means to calibrate the power (i.e., voltage or amperage) level where fluid will flow through the valve at a predetermined pressure differential across the armature. The calibration means includes an annular washer with cam-like segments at its outer edge which segments cooperate with slots of a housing to define an air gap, that may be varied over the range defined by the cam-like segment. The assembly, the annular washer, housing, central core and armature cooperate to provide an electromagnetic flux path. The relative magnitude or strength of this flux path provides control of the armature to seal flow through such valve assembly, which magnetic strength is in part a function of the air gap distance at a given power input and fluid pressure.
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Borg-Warner Automotive Inc.
Geppert James A.
Rosenthal Arnold
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