Magnetic valve for a traction-controlled hydraulic brake system

Details Magnetic valve for a traction-controlled hydraulic brake system Magnetic valve for a traction-controlled hydraulic brake system

1996-08-22

1998-09-22

Ferensic, Denise L.

Valves and valve actuation

Electrically actuated valve

Including solenoid

3031192, 137630, 25112914, F16K 3102

Patent

active

058103309

ABSTRACT:
A magnetic valve that switches at high differential pressures and furnishes a large flow cross section. The magnetic valve has an armature, which when current is supplied to a coil is movable toward a pole core counter to the force of a restoring spring. The armature is capable of opening an auxiliary valve of small sealing diameter directly and a main valve of large sealing diameter indirectly. The auxiliary valve and the main valve have a common closing body, which is movable relative to the armature with a limited stroke. The auxiliary valve communicates through a bore of the closing body with the outflow side of the magnetic valve. In the open position of the magnetic valve, the closing body is held in a position that blocks the auxiliary valve by the action of the second restoring spring. The magnetic valve is suitable in particular for slip-controlled hydraulic brake systems of motor vehicles.

REFERENCES:
patent: 2869584 (1959-01-01), Gordon
patent: 4782862 (1988-11-01), Nguyen
patent: 4844119 (1989-07-01), Martinic
patent: 4922966 (1990-05-01), Kaes et al.
patent: 5167442 (1992-12-01), Alaze et al.
patent: 5172722 (1992-12-01), Nishimura
patent: 5335984 (1994-08-01), Alaze et al.
patent: 5425575 (1995-06-01), Schmidt et al.

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