Solenoid valve for a wheel antilockup system

Fluid-pressure and analogous brake systems – Speed-controlled – Having a valve system responsive to a wheel lock signal

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91433, 13759617, F15B 13044

Patent

active

053339479

ABSTRACT:
The invention relates to a solenoid valve, in particular for a hydraulic braking circuit of a motor vehicle with a wheel antilockup device, the solenoid valve being disposed between at least a pressurized fluid source (52) and at least a pressure receiver (56) and comprising, in a body (10), a piston mechanism (24) which can be displaced between a rest position, in which it permits communication between the pressurized fluid source (52) and the pressure receiver (56), and a work position, in which it permits communication between the pressure receiver (56) and a low-pressure fluid reservoir (66). According to the invention, the piston mechanism (24) is permanently stressed toward the rest position by a constant force.

REFERENCES:
patent: 2617444 (1952-11-01), Gardner
patent: 3537467 (1970-11-01), Marshall
patent: 3880476 (1975-04-01), Belart et al.
patent: 3995652 (1976-12-01), Belart et al.
patent: 4014509 (1977-03-01), Yoshino et al.
patent: 4453565 (1984-06-01), Neff
patent: 4643225 (1987-02-01), Imhof
patent: 4936344 (1990-06-01), Kervagoret et al.
patent: 5186093 (1993-02-01), Kervagoret
patent: 5186210 (1993-02-01), Guasch

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