LASNINGSHEMMANDE FLUIDUMTRYCKREGLERAD ANORDNING FOR EN BROMS VID ETT HJUL

摘要

An anti-lock system in a vehicle includes a valve system having normally closed valves responsive to the speed of the wheel of the vehicle. Pressure within the valve system controls the application of the braking pressure. Normal braking pressure is applied during normal deceleration of the vehicle. The valves open to release the pressure in the valve system to prevent braking during excessive deceleration of the vehicle. A time delay mechanism renders the valve system ineffective when the pressure therein drops and remains below a predetermined level for a predetermined time interval to thereby permit normal braking to be resumed.