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| Number | Title | Issue Date |
| 8434831 | Vehicle brake device for electronic hydraulic brake system A vehicle brake device includes an input shaft coupled to a brake pedal, a pedal operation detector, a pedal simulator coupled to the input shaft in a control housing, a master cylinder, a control piston, a control chamber, and a hydraulic pressure supply, wherein t... | 05/07/2013 |
| 8371661 | Brake system with electromotively driven piston/cylinder system The invention relates to a brake system which comprises an actuating device (26), especially a brake pedal (30), and a control/regulation device (22). Said control/regulation device (22) controls an electromotive drive device (8) i... | 02/12/2013 |
| 8186771 | Stroke simulator in brake system A stroke simulator in a brake system includes a cylinder body, a piston movably inserted in the cylinder body, and a second elastic member adapted to be pressed by the piston. It functions to give a simulative operational feel to a brake lever by operating the brake... | 05/29/2012 |
| 8136892 | Method and booster which are intended to detect the braking of a vehicle, and method of producing such a booster A method of detecting the braking of a vehicle comprising a push rod (200) intended to transmit an amplified braking command to a master cylinder. A plunger (220), arranged parallel to the primary piston (200) so as to reproduce the movements of... | 03/20/2012 |
| 8029072 | Brake control system and brake control method In order to achieve a good brake feeling, a brake control system includes a master cylinder which discharges pressurized operating fluid according to an operating amount of a brake operating member by a driver, a stroke simulator which is connected to the master cyl... | 10/04/2011 |
| 8025345 | Vehicle brake system A vehicle brake system, capable of realizing a brake-by-wire construction which can be installed in vehicles in the same manner as conventional brake systems, is provided with a booster device, a master cylinder, wheel brakes, and a hydraulic pressure control device... | 09/27/2011 |
| 7954909 | Fluid pressure booster In a fluid pressure booster, when an input shaft and a valve plunger advance, an atmosphere valve opens to introduce air into a variable pressure chamber. At this time, the input shaft has not moved by a predetermined stroke, and thus a projection of the valve plung... | 06/07/2011 |
| 7887145 | Vehicle brake control device In a vehicle brake control device, a target W/C pressure depending on an amount of operation performed to a brake operating member, exhibits hysteresis due to a forward mapping dataset and a backward mapping dataset. The vehicle brake control device selects the forw... | 02/15/2011 |
| 7770982 | Electrohydraulic braking system An electrohydraulic brake system having a muscle-force-actuatable auxiliary brake and an external-force-actuatable service brake includes operating mode switchover valves triggerable by an electronic control unit for switching from the service braking state to the a... | 08/10/2010 |
| 7748792 | Automotive braking system with master cylinder force simulator A brake-by-wire automotive braking system includes a master cylinder connected to a number of wheel cylinders, with the master cylinder being actuated by a brake pedal assembly operatively connected with a master cylinder force simulator simulating the resistive for... | 07/06/2010 |
| 7533944 | Brake control apparatus and brake control method A brake control apparatus includes wheel cylinders which apply braking force to wheels when supplied with hydraulic fluid; a wheel cylinder pressure control system that controls a wheel cylinder pressure independently of a brake operating member operation; a manual ... | 05/19/2009 |
| 7478887 | Brake control device and brake control method A brake control device includes a control unit that determines a driver's braking request to have occurred when a brake-on determination condition is satisfied and determines the driver's braking request to have been cancelled when a brake-off determination conditio... | 01/20/2009 |
| 7419227 | Braking device for a motor vehicle A braking device for a motor vehicle having a first brake circuit (10) with a master cylinder (11) controlled by a brake pedal (12), a second brake circuit (20) with at least one pump (27) that is controlled by a computer (C), and ... | 09/02/2008 |
| 7413264 | Vehicle braking system A vehicle braking system having a hydraulic booster which applies output hydraulic pressure of a hydraulic power source to a boosted hydraulic pressure chamber after regulating the output hydraulic pressure as a control piston balances a reaction force generated by ... | 08/19/2008 |
| 7413263 | Modulator noise reduction via motor control The invention provides a method for controlling a vehicle with a braking system including a modulator pump. A first fluid line can communicate brake fluid from the master cylinder to a brake caliper. An isolation valve including a pressure bypass can be disposed alo... | 08/19/2008 |
| 7357465 | Brake pedal feel simulator A brake pedal feel simulator is provided which reduces the simulation force provided to the brake pedal during emergency or failed conditions. The simulator generally comprises a first spring having a first spring rate and a second spring having a second spring rate... | 04/15/2008 |
| 7354116 | Vehicle 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 |
| 7354119 | Brake system A brake system for a vehicle has a brake pedal and at least one rotational part. The brake system further includes a shaft connectable to the rotational part, and a first fluid control unit configured for being filled with fluid and actuating in response to manipula... | 04/08/2008 |
| 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 |
| 7347510 | Braking force generator for a hydraulic vehicle braking system In a brake force generator (10) for a vehicle hydraulic brake system having a force input element (14), which is connectable or connected to a brake pedal (P) and displaceable in a base housing of the brake force generator (10), a master cylinde... | 03/25/2008 |
| 7349745 | Lead-lag input filter arrangement with adjustable initial conditions for electro-pneumatic control loops Systems and methods for urging a valve plug off a seat of a control valve and toward a set point in the absence of significant delay. Adjustable, user-selected input parameters to the input of a lead-lag filter in communication with the input of a control loop facil... | 03/25/2008 |
| 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 |
| 7331641 | Braking stroke simulator The present invention is directed to a braking stroke simulator for use in a brake system, which comprises a simulator piston moved in response to operation of a manually operated braking member, and an elastic element for providing a stroke to the simulator piston ... | 02/19/2008 |
| 7325884 | Modular regenerative braking A brake module provides a first circuit, a second circuit, and a third circuit of pressurized brake fluid. A first set and second set of brake actuators are operated by the application of pressurized brake fluid. A first and second fluid separator unit are integrate... | 02/05/2008 |
| 7322657 | Stroke simulator A second piston includes a first protruding portion that protrudes toward a first piston and a second protruding portion that protrudes toward a stopper. By changing a height of the first protruding portion and a height of the second protruding portion it is possibl... | 01/29/2008 |
| 7309112 | Braking system having valve device for delivering pressurized fluid to brake cylinder selectively from at least two pressurizing chambers or only one of them Braking system including a master cylinder having at least two pressurizing pistons partially defining at least two mutually isolated pressurizing chambers, and wherein a working fluid in each pressurizing chamber is pressurized by an advancing movement of the corre... | 12/18/2007 |
| 7302796 | Hydraulic brake booster An hydraulic brake booster for an automobile hydraulic system comprising of a boost cylinder, a boost piston and a boost chamber defined by a boost piston working in a bore in a body and being adapted to apply an output force to an output rod in response to a pressu... | 12/04/2007 |
| 7293843 | Braking system for vehicle A braking system for a vehicle, including a braking device which puts brake on a vehicle; an operating device which includes an operating member that is operated by a driver of the vehicle in a braking force increasing direction, that is, an operating direction in w... | 11/13/2007 |
| 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 |
| 7252345 | Brake system for a motorcycle A combined braking system in which communicative connection a master cylinder and a brake caliper is cut off by an electromagnetic on-off valve, and hydraulic pressure, corresponding to driving conditions and a braking operation, is generated by an electrically-oper... | 08/07/2007 |
| 7244002 | Vehicle brake system A brake-by-wire type vehicle brake system is arranged to return a piston of a master cylinder to a normal position by opening a shutoff valve so as to supply a hydraulic pressure of a pump to the master cylinder when the shutoff valve is closed and a stroke simulato... | 07/17/2007 |
| 7237851 | Brake hydraulic pressure control unit A brake hydraulic pressure control unit is proposed. It includes housing, a pump mounted in the housing, a reservoir for hydraulic fluid, and hydraulic pressure control valves. The pump is adapted to draw hydraulic fluid in the reservoir and return the thus drawn fl... | 07/03/2007 |
| 7222923 | Vehicle wheel speed estimation device, vehicle body speed estimation device and vehicle behavior control apparatus In a case where one of a left and right pair of drive wheels is a non-controlled wheel to which braking force of a vehicle behavior control is not applied, and the other of the drive wheels is a controlled wheel to which braking force is applied, a detected vehicle ... | 05/29/2007 |
| 7225072 | System for controlling the stability of a vehicle using several predictive algorithms and a selection process System for controlling the stability of a vehicle, the system comprising means for imparting a longitudinal force to the tire and means for calculating a slip GOpt by determining the values of the coefficient of friction μi, for each slip G | 05/29/2007 |
| 7224267 | Tire pressure monitoring system A system and method for monitoring tire pressure in a tire of a vehicle is described, in which a tire pressure reading in the tire and an ambient pressure reading are received, and a warning indicator visible to an operator of a vehicle is selectively activated base... | 05/29/2007 |
| 7219966 | Brake 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 |
| 7210749 | Vehicle braking system with proportional poppet valve pressure control strategy An electrohydraulic brake system where brake pressure is controlled by the combined action of an apply valve and a dump valve by the implementation of a method of controlling the voltage applied to the apply and dump valve. The EHB pressure control system receives a... | 05/01/2007 |
| 7197380 | System for controlling the stability of a vehicle using an algorithm comparing average slopes of variation of a parameter System for controlling the stability of a vehicle, the system comprising means for imparting a longitudinal force on the tire and means for calculating the slip parameter GOpt at each activation of the means for imparting a longitudinal force on the tire ... | 03/27/2007 |
| 7188914 | Method for operating a power-assist braking system In a method of operating a brake assistant system which includes a first mode of operation in which the brake assistant system is not operated, a second mode of operation in which, after recognition of an emergency brake situation, a pressure build-up of wheel brake... | 03/13/2007 |
| 7188913 | Vehicular motor-driven brake device A vehicular motor-driven brake apparatus includes an open circuit in which reciprocation of a master cylinder generating a brake pressure is caused by an actuator that operates according to a pedal operation amount, and brake fluid discharged from a wheel cylinder d... | 03/13/2007 |
