Device for monitoring the position and displacement of a brake pedal.
A technology of brakes and pedals, applied in the direction of hydraulic brake transmissions, brakes, etc., can solve the problems of many brake light switches and complicated brake light switches, and achieve the effect of reasonable assembly
Active Publication Date: 2007-11-07
CONTINENTAL AUTOMOTIVE TECH GMBH
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Problems solved by technology
However, the number of components of the brake light switch is relatively large, especially the installation of the brake light switch in the footwell of the motor vehicle is too complicated
Method used
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[0049] The vehicle brake system comprises, in addition to the wheel brakes, valves (inlet valves, outlet valves, separation valves and switchover valves) which are connected to the wheel brakes by means of pipes and hose lines (inlet valves, outlet valves, separation valves and switching valves to create a change in the suction line of the pump to generate pressure in at least one wheel brake) hydraulic unit with integrated return pump or pressure boost pump and pedal-operable master cylinder 1, said master The cylinder has first and second pistons 2, 3 for first and second pressure chambers 4, 5, wherein the pistons 2, 3 are movably arranged inside the housing 6 to be contained in pairs in the brake The wheel brakes in the circuit supply the pressure medium. It is understood that a brake booster for generating the servo force can be arranged upstream of the master cylinder 1 , although in principle this can also be achieved by other sources of pressure increase, for example a...
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The invention relates to a device for monitoring the position and displacement of a brake pedal. The device includes a main cylinder with an integrated position detector for monitoring the position of a mobile piston inside a casing, and the main cylinder is especially adopted in a braking system controlled by the vehicle having a drive dynamics control device. A magnet as a signal generator is positioned into the position detector to generate a magnetic field along the direction of a sensor element. The sensor element is attached to the casing and connected with an electric control unit. The aim of the invention is to enable the monitoring of a pressure-rod plunger during a vehicle-dynamics control operation. To achieve this, the magnet is positioned between two plungers and can be displaced in relation to at least one of the plungers. This facilitates a relative displacement of the magnet in relation to the plungers when the plungers cannot be displaced in relation to the casing as a result of closed block valves, in a braking operation during a vehicle-dynamics control operation.
Description
technical field [0001] The invention relates to a device for monitoring the position and movement of a brake pedal. Background technique [0002] Devices for monitoring the position and movement of a brake pedal are known in principle. [0003] A pedal-operable master cylinder is known from WO 02 / 43996 A1, said master cylinder being provided with an integrated position detector so that the position of a first movable piston located inside the cylinder housing can be monitored , so that it can be used in a controlled braking system of a motor vehicle, wherein the piston has a magnet as a signal generator, which emits a magnetic field in the direction of a sensor element, which is fixedly arranged in the housing physically. [0004] Such a sensor arrangement is designed for a driver-initiated braking process during normal operation, during which the piston to be monitored travels through a defined actuation path. The magnet is acted upon by a spring element which is support...
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IPC IPC(8): B60T11/20B60T8/48
Inventor H·冯海因J·舍恩尔奥M·吕费尔W·里特尔M·克利迈什T·奎塞尔H·克雷T·伏格曼
Owner CONTINENTAL AUTOMOTIVE TECH GMBH