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| Number | Title | Issue Date |
| 8152244 | Brake control device During a non-control mode, a separation valve is closed, and thus separates a first supply path that supplies working fluid to at least one of wheel cylinders and a second supply path that supplies working fluid to at least one of the other wheel cylinders, from eac... | 04/10/2012 |
| 8087732 | Method and apparatus for detecting a circuit failure in a vehicle brake system In a vehicle brake system including first and second brake circuits, a dual-circuit brake actuator, first and second control lines, the first brake circuit including a first brake pressure regulating valve and a first pressure sensor, the second brake circuit includ... | 01/03/2012 |
| 7488047 | Brake system During normal operation in which a motor cylinder is operative, when a depressing force cut-off valve is closed, a front wheel is braked by operating a first wheel cylinder by brake fluid pressure generated by the motor cylinder. When there is an abnormality in whic... | 02/10/2009 |
| 7393065 | Redundant braking system Disclosed is a redundant braking system for a vehicle. A controller may monitor a status of a hydraulic braking system, and during vehicle travel, automatically switch to a modulated electric braking system which is separate from the hydraulic braking system when th... | 07/01/2008 |
| 7350882 | Vehicle brake device A vehicle brake device A is provided with a master cylinder 10, a reservoir tank 12, solenoid valves 46 and 48 for adjustably draining brake oil from outlet ports 10a, 10b of the master cylinder 10 to th... | 04/01/2008 |
| 7338136 | Electronic braking device An electronic braking device is provided which easily generates a braking force depending on the amount of brake operation in a range in which the amount of brake operation is small, just after the start of brake operation, and which protects a fluid pressure sensor... | 03/04/2008 |
| 7337047 | Vehicle behavior control device The inventive vehicle behavior control device employs a novel control strategy, suppressing deterioration of a vehicle behavior which would be induced during control processes, and being useful especially for correcting or inhibiting excessive deterioration of a veh... | 02/26/2008 |
| 7281684 | Systems and methods for braking aircraft, including braking intermediate main gears and differential braking Systems and methods for braking aircraft are disclosed. These systems and methods can be employed on multi-main gear aircraft to reduce the radius with which the aircraft makes low speed, pivot turns. Further systems and methods can be used to correct the braking be... | 10/16/2007 |
| 7273136 | Parking brake device of vehicle A hydraulic parking brake device is selectively switched between a braking state and a non-braking state. A braking force decreases as a pressure in the control oil chamber increases and increases as the pressure in the control oil chamber decreases. The device incl... | 09/25/2007 |
| 7267412 | Method for determining or calibrating the brake control characteristic of a vacuum brake booster In a method for determining or calibrating the brake control characteristic of a vacuum brake booster of a vehicle brake system, the pressure in the working chamber or the pressure difference between the working chamber and the vacuum chamber of the vacuum brake boo... | 09/11/2007 |
| 7188517 | System and method for detection of degradation of vacuum brake booster sensor Systems and methods for detecting degradation of a sensor in a vacuum brake booster coupled to a manifold of an internal combustion engine include measuring an engine or vehicle operating parameter to detect operating or control conditions and detecting degradation ... | 03/13/2007 |
| 7137672 | Diagonal parking brake activation for vehicles with plural axles The parking brakes on a truck or other vehicle having plural axles are applied such that at least one wheel at a first end of a first axle receives a parking brake force without applying a parking brake force to any wheel at the opposite end of the first axle. In ad... | 11/21/2006 |
| 7139645 | Process and device for aiding the driving of a vehicle running over the ground A device and process for aiding the driving of an aircraft running over the ground in an acceleration phase with a view to takeoff may include determining a current speed v0 of the aircraft and a value acc corresponding to a deceleration of the aircraft during emerg... | 11/21/2006 |
| 7128376 | Redundant architecture for brake-by-wire system A redundant architecture for a brake-by-wire system is provided. The system includes a pressure source; at least one brake actuator for exerting a braking force on a wheel as a result of pressure provided by the pressure source; at least one servo valve for controll... | 10/31/2006 |
| 7124009 | Method and arrangement for monitoring a deceleration function of a control unit of a motor vehicle A method and an arrangement for monitoring a deceleration function of a control unit of a motor vehicle affect as little as possible the operability of the control unit in the case of a fault. The deceleration function of a control unit (1) of a motor vehicle... | 10/17/2006 |
| 7090475 | Hydraulic control circuit for a hydraulic engine with at least two speeds A hydraulic control circuit for a radial piston engine with two speeds. The changeover between the speeds takes place through the alteration of the absorption volume, the delivery side being connected to the discharge side with a bypass connection by a valve arrange... | 08/15/2006 |
| 7076347 | Brake booster vacuum sensor diagnostic A diagnostic system for a brake booster sensor includes a monitor that monitors a maximum error and a minimum error based on a brake booster sensor signal over a monitoring period. A first comparator determines one of a pass status and a fail status of the brake boo... | 07/11/2006 |
| 7040721 | Device and method for adjusting the pedal characteristic curve of a hybrid braking system during modified braking-force distribution A braking system for a vehicle is described, including a hydraulic service braking system and an electric service braking system having wheel brakes, to which braking pressure is applied when a brake pedal is operated. To maintain essentially constant vehicle brakin... | 05/09/2006 |
| 7016778 | Method for controlling a vehicle The invention relates to a method for controlling a motor vehicle, in particular a traction-slip control system (TCS), wherein a diagonal axle twist is detected and evaluated as a regulating variable. ... | 03/21/2006 |
| 6959607 | Differential pressure sensor impulse line monitor A system for monitoring the condition of impulse lines to a differential pressure sensor. The lines may be connected at two locations of a pressure source, such as a pipe having a fluid flow. One line may direct a pressure of the source to one side of a piezoelectri... | 11/01/2005 |
| 6935707 | Vehicle anti-lock brake system and method An anti-lock brake system for a tri-axle wheeled vehicle equipped with wheel speed sensors and modulators for adjusting brake pressure. The modulators are actuated by a six-channel electronic control unit. The modulators associated with the front axle of the vehicle... | 08/30/2005 |
| 6932440 | Automotive braking method and devices for carrying out said method A method and apparatus for braking a vehicle having a vehicle brake system with a brake control device, and an engine whose torque is transmitted via a transmission to driven wheels. When there is a malfunction of the braking system and a demand for a braking operat... | 08/23/2005 |
| 6904987 | Electrical drive for a vehicle An electric drive for an electric or hybrid vehicle has an electric motor, with which a vehicle wheel is drivable, for instance via an articulated shaft. The the electric drive is embodied additionally with a mechanically actuatable wheel brake, which is actuatable ... | 06/14/2005 |
| 6896338 | Hydraulic braking system featuring selectable increased pump flow An automotive braking system controls the flow of pressurized brake fluid from a tandem master cylinder to several wheel brakes via a pair of braking circuits. Each circuit features a pressure relief line having, in series, a normally-closed valve, low-pressure accu... | 05/24/2005 |
| 6871918 | Method for the reliable operation of a brake booster system, brake booster system, and circuit therefor for implementing the method A method and system for ensuring reliable operation of a brake booster system for a vehicle braking system in which a pressure value prevailing in the brake pressure reservoir of the brake booster system is sensed by a pressure sensor. An error occurring in the brak... | 03/29/2005 |
| 6843537 | High reliability pressure sensor The reliability of a pressure sensor is improved either by utilization of redundant components. A pair of pressure sensors are mounted upon a single pressure sensor diaphragm. Each of the pressure sensors is connected to one of a pair of signal conditioning circuits... | 01/18/2005 |
| 6837552 | Hybrid brake system for a vehicle A hybrid brake apparatus for a vehicle includes a hydraulic brake circuit having a first fluid circuit and a second fluid circuit connected to a master cylinder for generating hydraulic pressure in the first and a second fluid circuits, and electrically actuated bra... | 01/04/2005 |
| 6820946 | Dual redundant active/active brake-by-wire architecture The braking control system provides dual redundant control of hydraulically operated wheel braking for an aircraft. A primary hydraulic system provides hydraulic power for normal operation of the plurality of wheel brakes, and a secondary hydraulic system provides h... | 11/23/2004 |
| 6789857 | Vehicle brake hydraulic pressure generator An improved brake hydraulic pressure generating device is provided in which the hydraulic pressure supplied from a hydraulic pressure source is adjusted to a value corresponding to the brake operating force by means of a pressure adjusting valve which is activated a... | 09/14/2004 |
| 6672687 | Vehicle motion control device A vehicle motion control device which detects an abnormality of an automatic hydraulic pressure generator having a master cylinder, a booster which boosts the master cylinder and a booster actuator which actuates the booster irrespective of brake pedal op... | 01/06/2004 |
| 6641231 | Hydraulic brake apparatus for a vehicle A hydraulic brake apparatus for a vehicle includes a brake operating member, a hydraulic pressure generating source, a regulating valve, a master cylinder having first and second pistons, a pressure detecting means connected to a second pressure chamber f... | 11/04/2003 |
| 6598943 | Back-up braking in vehicle braking systems A vehicle braking system comprising an electro-hydraulic braking system of the type which operates normally in a brake-by-wire mode wherein hydraulic pressure is applied to braking devices at the vehicle wheels (18a-d) in proportion to the driver's brakin... | 07/29/2003 |
| 6557951 | Brake system with hydraulic brake booster and corresponding method A brake system with hydraulic brake boosting has a hydraulic actuating unit which comprises a hydraulic reservoir, a brake pedal, a brake-pressure generator and a pedal-travel simulator, a hydraulic unit comprising a pressure generator, a hydraulic wheel-... | 05/06/2003 |
| 6547048 | Manual braking system with hydraulic brake booster A hydraulic pressure intensifier for operating a vehicle braking system under conditions that are not conducive to the proper operation of a power assist for the braking system. The hydraulic pressure intensifier has an intensifier inlet fluidly connected... | 04/15/2003 |
| 6542793 | Pedal apparatus for vehicles and a vehicle equipped with the same There is provided a pedal apparatus for vehicles, which comprises a pedal reaction-force addition means 4 for adding a reaction force to a pedal 1 of a vehicle, a pedal force detection means 2 for detecting a force added to the pedal 1, a pedal reaction-f... | 04/01/2003 |
| 6513885 | Dual redundant active/active brake-by-wire architecture The braking control system provides dual redundant control of hydraulically operated wheel braking for an aircraft. A primary hydraulic system provides hydraulic power for normal operation of the plurality of wheel brakes, and a secondary hydraulic system... | 02/04/2003 |
| 6505893 | Vehicle brake system having two brake circuits Two brake circuits (1, 2) each comprise at least one wheel brake (VL, VR, HL, HR), a fluid control module (38, 42, 44; 40, 46, 48; 24) for fluid pressure control at the at least one wheel brake, and at least one brake line (50, 52; 54, 56) for connecting ... | 01/14/2003 |
| 6430493 | Vehicular brake control device A vehicular brake control device makes it possible to detect a failure or malfunction in closing an electromagnetic valve which is placed between a master cylinder and each of wheel cylinders. The vehicular brake control device includes a pressure applica... | 08/06/2002 |
| 6425644 | Braking pressure control apparatus having device for diagnosing manually operated hydraulic system A braking pressure control apparatus for a hydraulically operated brake, including a first hydraulic system having a first hydraulic pressure source power-operated to pressurize a working fluid and capable of controlling the fluid pressure, for operating ... | 07/30/2002 |
| 6412885 | Brake system for vehicles In order to prevent a needlessly excessive yaw moment from being applied to the vehicle, thereby improving the running stability of the vehicle when either one of the braking force generation units went wrong, a brake system for vehicles having electric b... | 07/02/2002 |
