Braking pressure control valve unit

Details Braking pressure control valve unit Braking pressure control valve unit

1978-06-07

1979-12-18

Kunin, Stephen G.

Fluid-pressure and analogous brake systems

Inertia control

303 24C, B60T 814, B60T 826

Patent

active

041791649

ABSTRACT:
An inertia-controlled valve unit includes a valve seat provided within a valve chamber and a ball disposed within the valve chamber to co-operate with the valve seat and rolling toward the valve seat to cut-off excessive braking pressure applied to rear wheel brake cylinders. The inertia-controlled valve unit comprises a solenoid winding attached to the valve housing, a plunger passing through the solenoid winding into the valve chamber and located behind the ball, the plunger being moved forwardly by energization of the solenoid winding to engage the ball against the valve seat, a normally open switch attached to a portion of a push-rod for connecting the solenoid winding to a source of electricity when closed, and a movable element slidable on the push-rod to be displaced toward the switch by inertia force acting thereon when the brake pedal is rapidly depressed, the movable element closing the switch when engaged with the switch.

REFERENCES:
patent: 3663067 (1978-05-01), Yabuta

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