Patent application number | Description | Published |
20100198473 | BRAKE SYSTEM FOR A VEHICLE AND A METHOD FOR OPERATING A BRAKE SYSTEM FOR A VEHICLE - A brake system for a vehicle having a sensor device for providing a first and second sensor signal, a first and a second brake control device, which are directly connected to the sensor device and to provide a corresponding control signal for the first and/or second sensor signal, and a first and a second signal line for transmitting the control signal, the first signal line directly connecting the first brake control device to a first and second wheel actuator device and the second signal line directly connecting the second brake control device to a third and fourth wheel actuator device, the four wheel actuator devices exerting a braking torque corresponding to the control signal on the associated wheel, and the first wheel actuator device being directly connected to the second brake control device and/or the sensor device. A method for operating a brake system for a vehicle is also provided. | 08-05-2010 |
20100204894 | BRAKE SYSTEM FOR A VEHICLE AND METHOD FOR OPERATING A BRAKE SYSTEM FOR A VEHICLE - A brake system for a vehicle has a first and a second brake control device, four wheel actuator devices, and a first and a second signal line, the first signal line connecting the first brake control device to two of the four wheel actuator devices and the second signal line connecting the second brake control device to the two other wheel actuator devices, each of the four wheel actuator devices in the active state being additionally designed to detect whether a specified number of brake control devices and/or wheel actuator devices are in the inactive state, in which case a specified braking torque is exerted on the wheel of the vehicle associated with the brake control device. | 08-12-2010 |
20110254358 | METHOD FOR CONTROLLING A BRAKE ACTUATION OF A HYBRID VEHICLE SIMULATOR - The invention relates to a method for controlling the activation of a brake of a hydraulic vehicle brake system of a hybrid vehicle which can be braked by the generator mode of an electric drive motor. The invention proposes equipping the vehicle brake system with an electromechanical brake booster and generating a pedal force at a brake pedal with the brake booster when braking by the generator mode of the electric drive motor occurs. | 10-20-2011 |
20120010047 | METHOD AND DEVICE FOR CONTROLLING THE CLUTCH IN COASTING OPERATION OF A MOTOR VEHICLE - A method and a device for operating a motor vehicle, in which during driving mode
| 01-12-2012 |
20120193973 | HYDRAULIC VEHICLE BRAKING SYSTEM, VEHICLE HAVING SUCH A BRAKING SYSTEM, AND METHOD FOR OPERATING A HYDRAULIC VEHICLE BRAKING SYSTEM - A hydraulic vehicle brake system has a pedal travel simulator having a primary chamber and a secondary chamber, between which a piston is situated so as to be displaceable, the secondary chamber being fluidically connected to a storage chamber. Brake fluid from the storage chamber is able to be supplied via a hydraulic pump. | 08-02-2012 |
20130057052 | Brake system for a vehicle and method for operating a brake system of a vehicle - A vehicle brake system and method for operating same, having a master brake cylinder, a brake medium reservoir, and a first brake circuit, connected via a reservoir line to the brake reservoir, having at least one first wheel brake cylinder, a first wheel inlet valve associated with the first brake cylinder, a first pump, by which a first brake medium volume is pumpable from the reservoir line through the open first wheel inlet valve into the first brake cylinder, a continuously adjustable first wheel outlet valve, by which a first brake medium displacement from the first cylinder into the brake reservoir is controllable, and a connecting line having a spring-loaded non-return valve, via which a delivery side of the first pump is connected to the brake reservoir, a brake medium displacement from the brake reservoir to the delivery side of the first pump being prevented by the spring-loaded non-return valve. | 03-07-2013 |
20130062931 | Brake system for a vehicle and method for operating a brake system of a vehicle - A brake system and method for operating same for a vehicle having a master brake cylinder, a brake medium reservoir, a first wheel brake cylinder, into which a first brake medium volume is displaceable from the master cylinder, a second wheel brake cylinder, into which a second brake medium volume is displaceable from the master cylinder, and a pump, which is hydraulically connected to the brake medium reservoir, the first wheel brake cylinder being hydraulically connected to the pump via a first non-return valve and the second wheel brake cylinder being hydraulically connected to the pump via a second non-return valve so that the pump can pump a third brake medium volume from the brake medium reservoir through the first non-return valve into the first wheel brake cylinder and a fourth brake medium volume from the brake medium reservoir through the second non-return valve into the second wheel brake cylinder. | 03-14-2013 |
20130292997 | HYDRAULIC VEHICLE BRAKE SYSTEM - A hydraulic vehicle brake system, preferably a slip-controlled hydraulic vehicle brake system, includes two brake circuits to which wheel brakes of front wheels are attached. The brake system further includes an additional brake circuit, which is not attached to the main brake cylinder, but is provided with a hydraulic pump for power braking. Wheel brakes of vehicle wheels are attached to the additional brake circuit and are configured to be driven by an electric motor. The electric motor is operated as a generator during a braking operation to compensate for the braking moment generated in the additional brake circuit. | 11-07-2013 |
20130292999 | BRAKE SYSTEM FOR A VEHICLE AND METHOD FOR OPERATING A BRAKE SYSTEM OF A VEHICLE - A brake system for a vehicle includes: a main brake cylinder with a floating piston able to be shifted at least partially into the main brake cylinder, and a brake medium storage device into which a specified storage volume of a brake medium is able to be transferred without counterpressure, the brake medium storage device being hydraulically connected via an electrically controllable first valve to the main brake cylinder in such a way that, in response to a shifting of the floating piston partially into the main brake cylinder by a shift travel that is below a shift travel limit corresponding to the storage volume, a brake medium volume less than the specified storage volume is transferred without counterpressure from the main brake cylinder into the brake medium storage device. | 11-07-2013 |
20130297170 | CONTROL DEVICE AND METHOD FOR OPERATING A BRAKING SYSTEM EQUIPPED WITH AN ELECTRIC DRIVE DEVICE AND/OR GENERATOR DEVICE - A control device for a braking system equipped with an electric drive device and/or generator device includes: a first receiving device with the aid of which a specified value regarding a brake pressure in at least one wheel brake cylinder of at least one brake circuit is receivable, a second receiving device with the aid of which an actual value regarding a pressure in the at least one brake circuit and/or the brake pressure in the at least one wheel brake cylinder is/are receivable, and a control unit with the aid of which a setpoint mode of the electric drive device and/or generator device is specifiable taking the received specified value and the received actual value into account. | 11-07-2013 |
20130328386 | Method for operating a regenerative braking system of a vehicle and control unit for a regenerative braking system of a vehicle - A method/controller for operating a vehicle regenerative braking system by operating in a first braking mode, in which a generator braking torque of a generator is not zero and is equal to a first regenerative portion predefined for the first mode, and controlling the system out of the first mode into a second braking mode having a second regenerative portion, which is smaller than the first portion, so that brake fluid is pumped out of a storage volume of the system into at least one wheel brake cylinder and/or at least one brake circuit of the system via at least one brake fluid delivery mechanism; by activating the delivery mechanism via a setpoint delivery output variable, which is established/predefined for a setpoint brake pressure having a setpoint pressure rise which increases over time, so that an actual brake pressure having an actual pressure rise increase over time is built up. | 12-12-2013 |
20140032071 | CONTROL DEVICE FOR A BRAKING SYSTEM OF A VEHICLE, BRAKING SYSTEM, AND METHOD FOR OPERATING A BRAKING SYSTEM FOR A VEHICLE - A control device for a braking system of a vehicle, with the aid of which at least one provided setpoint variable regarding a setpoint brake pressure to be set in a first brake circuit and at least one provided actual variable regarding an actual brake pressure that is present in the first brake circuit, and/or an elasticity variable regarding an elasticity of a second brake circuit of the braking system are receivable, and a default variable regarding a setpoint additional volume of a brake fluid of the second brake circuit which is in a main cylinder braking mode is establishable, by taking into account a first deviation variable of the at least one actual variable from the at least one setpoint variable, and/or a second deviation variable of the elasticity variable from a predefined setpoint elasticity variable, so that a control signal corresponding to the established default variable is outputtable to at least one volume conveying device. Moreover, also described is a method for operating a braking system for a vehicle. | 01-30-2014 |
20140142829 | CONTROL DEVICE FOR A VEHICLE BRAKE SYSTEM, AND METHOD FOR OPERATING A VEHICLE BRAKE SYSTEM - A control device is described for a brake system of a vehicle, having a valve control device that is designed to determine, at least taking into account a provided information signal relating to a generator braking moment of a generator that is currently being exerted or is to be exerted, a first target state of a first valve of the brake system that is connected to a master brake cylinder of the brake system and to a fluid storage device of the brake system in such a way that a brake fluid volume can be displaced out of the master brake cylinder into the fluid storage device via the first valve, which is controlled into an at least partly open state, and to output a first control signal, corresponding to the first target state, to the first valve, the first target state being determinable, by the valve control device, for a valve connected via at least one intake line to a brake medium reservoir of the brake system as fluid storage device, as first valve. In addition, a method is described for operating a brake system of a vehicle. | 05-22-2014 |
20140152082 | CONTROL DEVICE FOR A VEHICLE BRAKE SYSTEM AND METHOD FOR OPERATING A VEHICLE BRAKE SYSTEM - A control device for a brake system of a vehicle includes a valve control device, using which, while taking into account a provided information signal with respect to a currently exerted or to be exerted generator braking torque of a generator, at least one high-pressure switching valve of a brake circuit of the brake system is able to be controlled into an at least partially opened state such that a brake fluid volume is able to be displaced from a main brake cylinder of the brake system into a storage chamber of the brake circuit via the at least one high-pressure switching valve that has been controlled into the at least partially opened state. Furthermore, a method for operating a brake system of a vehicle is described. | 06-05-2014 |
20140152083 | CONTROLLING DEVICE FOR A BRAKE SYSTEM OF A VEHICLE AND METHOD FOR OPERATING A BRAKE SYSTEM OF A VEHICLE - A controlling device for a brake system, including a generator control device, by which a setpoint generator braking torque may be set regarding an actuating intensity of a manipulation of a brake actuating element; and a valve control device, by which, if the stipulated setpoint generator braking torque is equal to zero, at least one accumulator opening valve of a brake circuit may be forced into a first valve position in such a manner, that displacement of brake fluid from a master brake cylinder into at least one wheel brake caliper of the brake circuit may be effected and displacement of brake fluid from the master brake cylinder into an accumulator of the brake circuit is prevented. If the stipulated setpoint generator braking torque is not equal to zero, the at least one accumulator opening valve may be forced into a second valve position. | 06-05-2014 |
20140244127 | CONTROL DEVICE FOR A BRAKE SYSTEM OF A VEHICLE, BRAKE SYSTEM FOR A VEHICLE AND METHOD FOR OPERATING A BRAKE SYSTEM OF A VEHICLE - In a control device for a brake system of a vehicle, given an actuation of a brake actuating element, a buildup of brake pressure is prevented at least in a first wheel brake caliper of a first brake circuit, a first wheel inlet valve of the first wheel brake caliper being controlled to a partly open state, and a first wheel outlet valve of the first wheel brake caliper being kept in a partly open state, a second wheel inlet valve of a second wheel brake caliper of the first brake circuit being controlled to a partly open state, and a second wheel outlet valve of the second wheel brake caliper being controlled to a closed state, in such a way that a brake pressure can be built up in the second wheel brake caliper. | 08-28-2014 |
20140288797 | Method for blending a generator braking torque of a generator of a recuperative brake system having two brake circuits, and a control device for a recuperative brake system having two brake circuits - A method for blending a generator braking torque of a generator of a recuperative brake system having two brake circuits, including: controlling one of the at least two brake circuits of the brake system in a blending mode, a hydraulic connection between a master brake cylinder of the brake system and a storage volume of the brake circuit controlled in the blending mode being at least temporarily enabled, so that brake fluid is transferred from the master brake cylinder into the storage volume of the brake circuit controlled in the blending mode; and controlling another of the at least two brake circuits in a non-blending mode, a hydraulic connection between the master brake cylinder and a storage volume of the brake circuit controlled in the non-blending mode being interrupted during the non-blending mode. Also described is a control device for a recuperative brake system having two brake circuits. | 09-25-2014 |
20140333123 | CONTROL UNIT FOR A RECUPERATIVE BRAKE SYSTEM OF A VEHICLE AND METHOD FOR BRAKING A VEHICLE - A control device for a recuperative braking system of a vehicle includes: an actuating device configured to (i) select the maximum value of a front axle generator braking torque and of a rear axle generator braking torque, taking into account at least one provided default variable concerning a setpoint total braking torque which is predefined by a driver, (ii) control an electric motor, and (iii) control a hydraulic front axle brake circuit component and a hydraulic rear axle brake circuit component in such a way that a front axle brake pressure and a rear axle brake pressure are settable in such a way that a difference between a predefined setpoint braking torque distribution and an actual braking torque distribution present between the front axle and the rear axle is minimized. | 11-13-2014 |