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Class Information
Number: 303/122
Name: Fluid-pressure and analogous brake systems > Speed-controlled > With failure responsive means
Description: Speed control provided with means for detecting faulty operation of a speed control regulator and means for overriding a speed condition regulator.










Sub-classes under this class:

Class Number Class Name Patents
303/122.06 Abs failure detected via time period of sensed wheel lock or wheel speed signal 69
303/122.08 Active circuit testing 69
303/122.02 Antilock failure with warning 31
303/122.04 Electric system failure (no warning) 82
303/122.03 Failure related to brake condition (e.g., wear, sensor or switch operation) with indicator 58
303/122.09 Pressure failure 90
303/122.07 Time signal error (no warning) 26
303/122.01 Traction failure 25


Patents under this class:
1 2 3

Patent Number Title Of Patent Date Issued
8504272 System and method for verifying the availability of a level of a braking system in a powered system Aug. 6, 2013
8355851 Vehicle cruise control apparatus and vehicle cruise control method Jan. 15, 2013
8276995 Control device for a rail vehicle Oct. 2, 2012
8260514 Method for supporting a brake system in case of reduced effectiveness Sep. 4, 2012
8224545 Brake control apparatus and brake control method Jul. 17, 2012
8201895 Power supply architecture for aircraft brakes fitted with electromechanical actuators Jun. 19, 2012
8201896 Vehicle brake apparatus and method Jun. 19, 2012
8177309 Braking booster system leak diagnostics May. 15, 2012
8146858 No-back device having malfunction detection Apr. 3, 2012
8132867 Brake control apparatus Mar. 13, 2012
8126593 Apparatus for detecting malfunctions of electromagnetic brakes of robot Feb. 28, 2012
8090515 Method for controlling regenerative braking in an electric vehicle Jan. 3, 2012
8078376 System and method for verifying the availability of a level of a braking system in a powered system Dec. 13, 2011
8060275 Rough road detection system used in an on-board diagnostic system Nov. 15, 2011
8042885 Brake control apparatus for vehicle Oct. 25, 2011
8010269 Brake apparatus Aug. 30, 2011
8007056 Brake control apparatus and control method thereof Aug. 30, 2011
7871136 Trouble diagnosis device of vehicle body acceleration sensor and antilock-brake system Jan. 18, 2011
7850254 Extreme emergency braking systems for brake-by-wire brake systems Dec. 14, 2010
7734406 Integrated control of brake and steer by wire system using optimal control allocation methods Jun. 8, 2010
7484815 Brake device of motorcycle Feb. 3, 2009
7359786 Control and power supply network for vehicle braking system Apr. 15, 2008
7354116 Vehicle brake hydraulic pressure generator Apr. 8, 2008
7285927 Control apparatus for electric motor of inverter system and control apparatus for electro mechanical brake Oct. 23, 2007
7219966 Brake pedal feel simulator May. 22, 2007
7215090 Control apparatus for electric motor of inverter system and control apparatus for electro mechanical brake May. 8, 2007
7150506 Control network for brake system Dec. 19, 2006
7014277 Vehicular braking control apparatus and abnormality detection method for vehicular braking apparatus Mar. 21, 2006
6984001 Power supply network for brake system Jan. 10, 2006
6969127 Electric parking brake system Nov. 29, 2005
6932440 Automotive braking method and devices for carrying out said method Aug. 23, 2005
6923510 Control of brake-and steer-by-wire systems during brake failure Aug. 2, 2005
6902241 Vehicle brake control apparatus for controlling normal wheel brakes upon detection of defective wheel brake or brakes Jun. 7, 2005
6823251 Microprocessor system for safety-critical control systems Nov. 23, 2004
6701230 Method and system for monitoring the wheels of a vehicle Mar. 2, 2004
6682153 Method 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 Jan. 27, 2004
6659569 Vehicle braking control method and apparatus Dec. 9, 2003
6659571 Vehicle with an electrical traction motor and an additional user of electrical energy and method for operation of the vehicle Dec. 9, 2003
6650989 System for controlling an anti-lock braking system for motor vehicles having all-wheel drive Nov. 18, 2003
6644760 Hydraulic pressure control device and vehicle brake device using the same Nov. 11, 2003
6626271 Electrically controlled braking system and associated control method Sep. 30, 2003
6502028 Vehicular deceleration control apparatus, and braking system control method Dec. 31, 2002
6502014 Regulating circuit for regulating the driving stability of a motor vehicle using a motor vehicle reference model Dec. 31, 2002
6460941 Method for controlling brake-pressure characteristics in the rear wheel brakes of a motor vehicle brake system with electronic regulation of brake power distribution Oct. 8, 2002
6425644 Braking pressure control apparatus having device for diagnosing manually operated hydraulic system Jul. 30, 2002
6416140 Vehicle brake control apparatus for controlling normal wheel brakes upon detection of defective wheel brake or brakes Jul. 9, 2002
6412883 Vacuum booster apparatus and a brake apparatus Jul. 2, 2002
6397135 Rear-wheel steering angle control device May. 28, 2002
6390571 Redundant aircraft braking system architecture May. 21, 2002
6375281 Brake torque regulation for vehicles Apr. 23, 2002

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