Fluid-pressure and analogous brake systems – Speed-controlled – Having a valve system responsive to a wheel lock signal
Patent
1988-04-22
1989-10-24
Kashnikow, Andres
Fluid-pressure and analogous brake systems
Speed-controlled
Having a valve system responsive to a wheel lock signal
25112916, 25112921, B60T 1502, F16K 3102
Patent
active
048757420
ABSTRACT:
A solenoid operated control valve for use as an inlet and/or exhaust valve in a pressure modulator has a flat valve element cooperating with a flat valve seat to control the flow of fluid through the valve. At least a portion of the solenoid armature has opposed parallel flat surfaces and is disposed within a gap defined between parallel faces for movement axially within the gap to operate the valve. The flat valve seat is disposed in the plane of one of the parallel faces and one of the parallel faces is a face of the stator. All required settings, more particularly, magnetic reach, the energized gap and excess valve travel to compensate for wear are set automatically by spacers. The spacers give the required settings directly from their own thickness and not through other component dimensions in combination. This has very important implications for production since the direct spacer automatically gives the required dimension, whereas indirect ones can only be chosen by assembly measurement or selective assembly, both of which are expensive.
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patent: 4718635 (1988-01-01), de Concini et al.
Clayton Dewandre & Co. Ltd.
Kashnikow Andres
Newholm Timothy
Ray, Jr. J. O.
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