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Class 303/122 - With failure responsive means


Subclass of Class 303 - Fluid-pressure and analogous brake systems
Definition: Speed control provided with means for detecting faulty operation
No. of patents: 100
Last issue date: 05/15/2012


1      
NumberTitleIssue Date
8177309Braking booster system leak diagnostics
A leak diagnostic system for a vehicle comprises a calculation module and a diagnostic enabling module. The calculation module calculates a decay rate of a brake booster vacuum. The diagnostic enabling module selectively enables the decay rate calculation based on m...
05/15/2012
7850254Extreme emergency braking systems for brake-by-wire brake systems
An extreme emergency braking system including at least two brake modules, a pedal feel emulator in communication with at least one of the brake modules by way of a first communication line, an electric park brake switch assembly in communication with the brake modul...
12/14/2010
7484815Brake device of motorcycle
To enable a trouble diagnosis of braking-input-side pressure sensors even in a state where a braking input side and a braking output side are interrupted from each other. In a brake device of a vehicle in which a braking input side which generates a liquid pressure ...
02/03/2009
7359786Control and power supply network for vehicle braking system
An electrically controlled braking system includes a first control unit and a second control unit in electrical communication via a communication link and a human machine-interface manipulatable by a vehicle operator. The human-machine interface includes a first sen...
04/15/2008
7354116Vehicle brake hydraulic pressure generator
In a brake hydraulic pressure generating device in which the brake operating force is applied to a pressure adjusting valve through a stroke simulator and the hydraulic pressure supplied from the hydraulic pressure source is adjusted to a value corresponding to the ...
04/08/2008
7338136Electronic 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
7330785Method for increasing the driving stability of a motor vehicle
A method for increasing the directional stability of a motor vehicle is provided, as well as a corresponding device, and a corresponding computer program product. A model-supported pilot control is used to determine a stabilizing yaw torque, which is applied to the ...
02/12/2008
7285927Control apparatus for electric motor of inverter system and control apparatus for electro mechanical brake
A relay switch for selectively connecting a power supply line of an inverter to a ground line is inserted between the inverter and a power source, and a power consumption unit such as a resistor element is inserted between the relay switch and ground line. ...
10/23/2007
7219966Brake pedal feel simulator
A brake pedal feel simulator is provided which eliminates the simulation force during emergency, non-assisted and failure conditions. The brake pedal feel simulator generally comprises a spring, a spring seat and a spring stop. The spring is operatively connected to...
05/22/2007
7215090Control apparatus for electric motor of inverter system and control apparatus for electro mechanical brake
A relay switch for selectively connecting a power supply line of an inverter to a ground line is inserted between the inverter and a power source, and a power consumption unit such as a resistor element is inserted between the relay switch and ground line. ...
05/08/2007
7198336Vehicular brake control apparatus and control method of vehicular brake apparatus
A vehicular brake control apparatus includes a braked member that rotates together with a wheel, a braking member, an electric driving device that presses the braking member against the braked member to apply a braking torque to the wheel, when being supplied with e...
04/03/2007
7150506Control network for brake system
An electrically controlled braking system includes at least one control unit and first and second brake component responsive to control signals generated by the control unit. A first control network electrically connects the control unit and the first brake componen...
12/19/2006
7146812Hydraulic brake apparatus
A hydraulic brake apparatus includes a tandem brake master cylinder having a rod piston moving in response to a brake pedal, and a floating piston moving in response to the rod piston; a separation valve provided in a hydraulic brake circuit connecting the brake mas...
12/12/2006
7096108Brake system with distributed electronic control units incorporating failsafe mode
A brake system for a heavy vehicle includes a control network, a brake component, a central control unit, and a distributed electronic control unit. The central control unit generates central control signals adapted to control the brake component, which control sign...
08/22/2006
7059687Braking force distribution control device
A braking force distribution control device is provided in which wheel speeds of respective wheels of a vehicle are detected. On the basis of the detected wheel speeds, slopes of coefficients of friction μ between the wheels and a road surface are estimated as road...
06/13/2006
7058459Method and device for operating a decentralized control system
A method of and a device for operating a decentralized control system, at least two control units are provided to control at least one actuating element each. In this control, different operating modes are to be differentiated, the selection of the respective operat...
06/06/2006
7014277Vehicular braking control apparatus and abnormality detection method for vehicular braking apparatus
In an electronic control brake system capable of controlling the braking force by adjusting the hydraulic pressure applied to each wheel cylinder through the use of a pressurization source and a hydraulic pressure adjusting portion, the hydraulic pressure applied to...
03/21/2006
6984001Power supply network for brake system
A braking system includes at least one power supply, and first and second brake component each at least partially operated by electrical power. First and second power supply networks electrically connect the power supply with the first brake component and the second...
01/10/2006
6969127Electric parking brake system
A sensor included in each brake system section detects the operation state of an electric parking brake in another brake system section. Based on the detected operation state, the sensor assumes the drive command that is to be output from a controller of the other b...
11/29/2005
6945613Electrohydraulic brake system and methods for its control
An electrohydraulic brake system as well as a method and a device for controlling the electrohydraulic brake system, in which a hydraulic fluid can be injected from an accumulator into corresponding wheel brake cylinders by valve means, where the hydraulic fluid can...
09/20/2005
6942304Electronically controllable brake actuating system
The present invention discloses an electronically controllable brake actuating system for automotive vehicles, including an unpressurized pressure fluid supply reservoir, a pressure source actuatable by an electronic control unit, the pressure of which can be applie...
09/13/2005
6932440Automotive 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
6923510Control of brake-and steer-by-wire systems during brake failure
A method, computer usable medium including a program, and a system for braking a vehicle during brake failure. The method and computer usable medium include the steps of determining a brake force lost corresponding to a failed brake, and determining a brake force re...
08/02/2005
6902241Vehicle brake control apparatus for controlling normal wheel brakes upon detection of defective wheel brake or brakes
A brake control apparatus for controlling at least three brake devices provided for braking respective at least three wheels of an automotive vehicle which includes two wheels located on respective left and right sides of the vehicle, wherein an emergency brake cont...
06/07/2005
6823251Microprocessor system for safety-critical control systems
A microprocessor system for safety-critical control operations includes at least three central units which are preferably located jointly on one chip and execute the same program. Further, there is provision of read-only memories and random-access memories with addi...
11/23/2004
6701230Method and system for monitoring the wheels of a vehicle
A method for monitoring the wheels (R1, R2, R3, R4) of a motor vehicle (10) for fault states, in particular for incorrect tire pressures, comprises the steps of: each wheel (E1, E2, E3, E4) to be monitored is assigned a wheel unit (E1, E2, E3, E4) which t...
03/02/2004
6682153Method for detecting output-stuck fault of car body acceleration sensor, apparatus for detecting output-stuck fault of car body acceleration sensor, and anti-lock braking system for car
By a method for detecting an output-stuck fault of a car body acceleration sensor, an absolute value of a relative difference between the logical car body acceleration operated on the basis of a wheel speed and the physical car body acceleration output fr...
01/27/2004
6659571Vehicle with an electrical traction motor and an additional user of electrical energy and method for operation of the vehicle
A vehicle has at least one electrical traction motor, at least one additional user of electrical energy, a vehicle control system and a source of electrical energy. The traction motor is effectively connected with the vehicle control system so that in the...
12/09/2003
6659569Vehicle braking control method and apparatus
A method and apparatus control target deceleration of a vehicle in response to a master cylinder pressure and the like. A controlled braking mode in which the pressure in each wheel cylinder is controlled based on the target deceleration, and a driver bra...
12/09/2003
6650989System for controlling an anti-lock braking system for motor vehicles having all-wheel drive
A method for controlling an anti-lock braking system, intended for motor vehicles having all-wheel drive, electric signals representative of the rotational behavior of the vehicle wheels are produced and logically combined. When a locking tendency occurs,...
11/18/2003
6644760Hydraulic pressure control device and vehicle brake device using the same
A hydraulic pressure control device is provided in which a proportional pressure control valve is actuated by operating the brake pedal to adjust the hydraulic pressure supplied from a pressure source to the wheel brakes to a value corresponding to the pe...
11/11/2003
6626271Electrically controlled braking system and associated control method
The present invention relates to an electrically operable brake system and a method for its actuation. The brake system and the method are characterized in that the service brake system can be activated by two brake operating devices which are operable by...
09/30/2003
6502028Vehicular deceleration control apparatus, and braking system control method
The vehicular deceleration control apparatus applies deceleration to a vehicle in accordance with the amount of operation of an accelerator. The deceleration control apparatus determines whether there is an abnormality based on a deviation between a set t...
12/31/2002
6502014Regulating circuit for regulating the driving stability of a motor vehicle using a motor vehicle reference model
The present invention relates to a control circuit for controlling the driving stability of a vehicle where the input quantities determining the course of track are input in a vehicle model circuit which determines at least on nominal value for a control ...
12/31/2002
6460941Method for controlling brake-pressure characteristics in the rear wheel brakes of a motor vehicle brake system with electronic regulation of brake power distribution
In a method of controlling the braking pressure variation during EBD control, during a braking operation, the vehicle deceleration is sensed and evaluated as a control criterion, and an increase in the braking pressure in the rear-wheel brakes is only per...
10/08/2002
6425644Braking 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
6416140Vehicle brake control apparatus for controlling normal wheel brakes upon detection of defective wheel brake or brakes
A brake control apparatus for controlling at least three brake devices provided for braking respective at least three wheels of an automotive vehicle which includes two wheels located on respective left and right sides of the vehicle, wherein an emergency...
07/09/2002
6412883Vacuum booster apparatus and a brake apparatus
A vacuum booster apparatus used for a brake apparatus positively decreases a degree of opening of a throttle valve when it is required while an unnecessary decrease in the degree of opening of the throttle valve is positively prevented. A first pressure c...
07/02/2002
6397135Rear-wheel steering angle control device
A rear-wheel steering angle control device which improves the running stability of a vehicle by steering the rear wheels as well as the front. Based on the vehicles speed and angle of the turned front wheels, the option angle to turn the rear wheels can b...
05/28/2002
6390571Redundant aircraft braking system architecture
A redundant brake control and anti-skid system is described for providing braking to a vehicle. The system includes a primary brake control assembly for performing brake control and anti-skid functions, and a secondary brake control assembly for performin...
05/21/2002
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