Valves and valve actuation – With correlated flow path – With mounting or support
Patent
1983-06-20
1985-06-11
Scott, Samuel
Valves and valve actuation
With correlated flow path
With mounting or support
251 33, 251141, 251 30, 137DIG8, 1376275, F16K 3106
Patent
active
045223718
ABSTRACT:
A diaphragm operated valve assembly is controlled by an electromagnetic valve assembly. A flat disc armature, which forms part of a flux path, is operable in an inner chamber to modulate the flow between the inner chamber and an exit port in response to an applied magnetic force. The level of the effective magnetic force is a function of the armature mass, the pressure acting on the disc surface and the magnetic reluctance. A pole piece adjacent to the flat disc armature includes a seat and is at a fixed distance from the armature.
Variation of an air gap provides a means to adjust the magnetic reluctance of the electromagnetic valve after its final assembly and in this case an adjustment air gap is provided at the top member of the flux path. Such valves may thus be calibrated to operate at various pressure or flow rates as a function of electrical power input, that is a variation of current or voltage. These electrical power variations determine at what operating condition the flat disc armature will contact the seat and seal fluid flow.
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1970 Car Shop Manual-vol. Two-Engine, Dearborn, Michigan: Ford Service Publications, 1969 pp. 22-01-07 and 22-01-11.
Baron Tibor
Fox Clarence D.
Borg-Warner Corporation
Gregorczyk Florian S.
Okuno Kenichi
Scott Samuel
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