公开(公告)号：US4681196A

公开(公告)日：1987-07-21

申请号：US642619

申请日：1984-08-20

Applicant: Keith H. Fulmer ,  Arthur K. Peebles ,  Hugh D. Steininger

Inventor： Keith H. Fulmer ,  Arthur K. Peebles ,  Hugh D. Steininger

IPC: B60T13/52 ,  B60T7/12 ,  B60T11/10 ,  B60K41/24 ,  B60K5/00 ,  B60T8/58 ,  F15B7/00

CPC classification number: B60T11/103 ,  B60T7/122 ,  B60W10/18 ,  B60W2510/0225 ,  B60W2520/06 ,  B60W2520/10 ,  B60W2520/16 ,  Y10S188/02 ,  Y10T477/857

Abstract: A brake booster (10, 210, 310) connected to a control circuit (120) provides a system for the continued braking of a vehicle when the vehicle is situated on an incline and the brake pedal (92) is released by the operator. Continued brake application is accomplished by utilizing a control circuit (120) responsive to vehicular attitude, clutch pedal position, ignition status, vehicular speed, and vehicular direction. The control circuit (120) is connected to the combination of a check valve and three-way solenoid valve (100, 200, 300) connected to a movable wall brake booster (10, 210, 310). The combination valve (100) is connected to a flexible hose (110) disposed interiorily of the booster (10), the other end of the flexible hose (110) connected to the input opening (32) of a three-way poppet valve (70) located at the central hub (30) of the booster (10). When the control circuit (120) senses that the vehicle is on an incline, the clutch pedal depressed, the ignition "on", the speed is zero, and the vehicle not backing up, it actuates the three-way solenoid of valve (100) which continues to supply a first fluid pressure to the front booster chamber (40) while supplying a second fluid pressure for the rear booster chamber (50) via the flexible hose (110) and poppet valve (70). The vehicle operator may release the brake pedal (92) which returns slightly toward an inactive position and which opens slightly valve (70), with the brakes remaining activated because the second fluid pressure is provided to the rear chamber (50) via the hose connection (110) and valve (70) to maintain the axially displaced position of the movable wall (24).

Abstract translation: 连接到控制电路（120）的制动助力器（10,210,310）当车辆位于倾斜处并且制动踏板（92）被操作者释放时提供用于车辆的继续制动的系统。 通过利用响应于车辆姿态，离合器踏板位置，点火状态，车速和车辆方向的控制回路（120）来实现连续制动应用。 控制电路（120）连接到连接到可动壁式制动助力器（10,210,310）的止回阀和三通电磁阀（100,200,300）的组合。 组合阀（100）连接到设置在增压器（10）内部的柔性软管（110），柔性软管（110）的另一端连接到三通提升阀的输入开口（32） 70），位于增压器（10）的中心毂（30）处。 当控制电路（120）感测到车辆处于倾斜状态时，离合器踏板压下，点火“开”，速度为零，并且车辆不起动，其致动阀门（100）的三通电磁阀 ），其通过柔性软管（110）和提升阀（70）为后辅助室（50）提供第二流体压力，继续向前增压室（40）提供第一流体压力。 车辆操作者可以释放制动踏板（92），该制动踏板（92）稍微朝非活动位置返回，并且稍微打开阀（70），由于第二流体压力经由软管连接件被提供给后室（50），制动器保持启动 （110）和阀（70）以保持可动壁（24）的轴向位移位置。