| 摘要 |
1427874 Antiskid braking systems FIAT SpA 13 June 1974 [23 July 1973] 26269/74 Heading F2F [Also in Division F1] A vehicle equipped with an internal combustion engine 12 having at least one induction manifold 14 and a throttle valve 16 for regulating air flow therein and an antiskid braking system, has means for causing the throttle valve 16 to open when the antiskid braking system commences operation so that the braking effect of the engine is reduced. As shown the vacuum actuator 32 for the throttle valve comprises a housing 34 divided by a diaphragm 36 into chambers 38, 44 of which the former contains a spring 43 and is connected to the induction manifold via a solenoid valve 58 and the chamber 44 houses a small piston 46 joined to the diaphragm 36 and connected to valve 16 through a lever system 52 and is freely vented to atmosphere. When skidding is imminent a computer 28 of the antiskid system emits a signal to control the brake modulating means 30 and energizes the windings 60 of valve 58 to apply vacuum to chamber 38 and operate the mechanism to open the throttle 16 which closes when the accelerator pedal was released as brakes were applied. |
