Patent application number | Description | Published |
20090312148 | Brake Force Generating Device for a Hydraulic Vehicle Brake System, Vehicle Brake System and Method for Operating a Brake Force Generating Device - The invention relates to a brake force generating device for a hydraulic vehicle brake system with a force input member, which can be or is coupled to a brake pedal, a master cylinder arrangement for generating a hydraulic brake pressure, a chamber arrangement, in which a working chamber is separated from a vacuum chamber via a movable wall, a control valve device with a control valve housing for optional connection of the vacuum chamber to the working chamber or of the working chamber to the atmosphere and an electrically triggerable actuating device for actuating the control valve device, which is positioned as floating in the control valve housing. According to the invention it is provided that the control valve device has a first seal seat and a second seal seat, the seal seats being arranged on opposite sides of the actuating device in respect of the longitudinal axis. The invention provides that in a normal operating situation the force input member is mechanically uncoupled from the control valve device actuated by the actuating device. In an emergency operating situation, however, the force input member can according to the invention be coupled mechanically to the control valve device and can actuate the control valve device as a result of its displacement in the direction of the longitudinal axis. | 12-17-2009 |
20100242717 | VACUUM-ASSISTED BRAKE-FORCE BOOSTER FOR A MOTOR-VEHICLE BRAKING SYSTEM - The invention relates to a vacuum-assisted brake-force booster for a motor-vehicle braking system with:
| 09-30-2010 |
20100269684 | Vacuum Brake Booster for a Motor Vehicle Brake System - The present invention relates to a vacuum brake booster for a motor vehicle brake system, having a force input element that is connectable or connected to a brake pedal, a chamber arrangement comprising a vacuum chamber and a working chamber that are separated from one another by a movable wall, a control valve with a valve element for selectively connecting and separating vacuum chamber and working chamber, and a force output element for transmitting an output force to a master cylinder, wherein the force input element is workingly connectable or connected to a transmission piston arrangement disposed in the control valve, wherein the control valve is settable in accordance with a displacement of the transmission piston arrangement along a longitudinal axis by means of the force input element. In this case, it is provided that the transmission piston arrangement is provided with at least one pressure compensation channel, by means of which a pressure compensation is effected at the valve element. | 10-28-2010 |
Patent application number | Description | Published |
20090312148 | Brake Force Generating Device for a Hydraulic Vehicle Brake System, Vehicle Brake System and Method for Operating a Brake Force Generating Device - The invention relates to a brake force generating device for a hydraulic vehicle brake system with a force input member, which can be or is coupled to a brake pedal, a master cylinder arrangement for generating a hydraulic brake pressure, a chamber arrangement, in which a working chamber is separated from a vacuum chamber via a movable wall, a control valve device with a control valve housing for optional connection of the vacuum chamber to the working chamber or of the working chamber to the atmosphere and an electrically triggerable actuating device for actuating the control valve device, which is positioned as floating in the control valve housing. According to the invention it is provided that the control valve device has a first seal seat and a second seal seat, the seal seats being arranged on opposite sides of the actuating device in respect of the longitudinal axis. The invention provides that in a normal operating situation the force input member is mechanically uncoupled from the control valve device actuated by the actuating device. In an emergency operating situation, however, the force input member can according to the invention be coupled mechanically to the control valve device and can actuate the control valve device as a result of its displacement in the direction of the longitudinal axis. | 12-17-2009 |
20100242717 | VACUUM-ASSISTED BRAKE-FORCE BOOSTER FOR A MOTOR-VEHICLE BRAKING SYSTEM - The invention relates to a vacuum-assisted brake-force booster for a motor-vehicle braking system with:
| 09-30-2010 |
20100269684 | Vacuum Brake Booster for a Motor Vehicle Brake System - The present invention relates to a vacuum brake booster for a motor vehicle brake system, having a force input element that is connectable or connected to a brake pedal, a chamber arrangement comprising a vacuum chamber and a working chamber that are separated from one another by a movable wall, a control valve with a valve element for selectively connecting and separating vacuum chamber and working chamber, and a force output element for transmitting an output force to a master cylinder, wherein the force input element is workingly connectable or connected to a transmission piston arrangement disposed in the control valve, wherein the control valve is settable in accordance with a displacement of the transmission piston arrangement along a longitudinal axis by means of the force input element. In this case, it is provided that the transmission piston arrangement is provided with at least one pressure compensation channel, by means of which a pressure compensation is effected at the valve element. | 10-28-2010 |
20110247324 | VACUUM-ASSISTED BRAKE-FORCE BOOSTER AND METHOD FOR ADJUSTMENT THEREOF - A brake-force booster for a motor-vehicle braking system has a booster housing, with a force-input member which is capable of being coupled to a brake pedal and which can be inserted into the booster housing against the action of a return spring, with a force-output member which is capable of being coupled to a brake cylinder, with a chamber arrangement with a working chamber and a vacuum chamber, which are separated by a movable wall, with a control-valve arrangement arranged between the force-input member and the force-output member, wherein the control-valve arrangement exhibits a first valve seat for optional connecting of the working chamber to external atmosphere, and a second valve seat for optional connecting of the working chamber to the vacuum chamber. A setting of the response force of the brake-force booster is effected by means of a stop sleeve on which the return spring is supported, whereby for the purpose of setting a bias of the return spring the stop sleeve is capable of being displaced relative to the force-input member and is capable of being fixed to the latter in a setting position. | 10-13-2011 |
Patent application number | Description | Published |
20090115244 | Brake Power Generator For A Hydraulic Vehicle Braking System - The invention concerns a brake force generator for a hydraulic vehicle braking system with a force input element which can be or is coupled with a brake pedal and is displaceable in a base housing of the brake force generator, a master brake cylinder in which is guided displaceably a primary piston, wherein the primary piston with the master brake cylinder delimits a primary pressure chamber to generate a hydraulic braking pressure, a pedal counter-force simulation device that can be coupled with the force input element and an actuation force generating device to exert an actuation force on the primary piston. | 05-07-2009 |
20100164276 | Master Cylinder System for an Automotive Hydraulic Brake System and Automotive Hydraulic Brake System - The present invention relates to a master cylinder arrangement for a motor vehicle hydraulic brake system comprising a housing, in which two adjacent cylinder bores are provided, two piston arrangements, wherein a first piston arrangement is received in a first of the cylinder bores so as to be displaceable along a first bore longitudinal axis and wherein a second piston arrangement is received in a second of the cylinder bores so as to be displaceable along a second bore longitudinal axis, a force input piston, which is connectable or connected to a brake pedal, wherein in accordance with a movement of the force input piston the first piston arrangement and the second piston arrangement are displaceable, wherein the first piston arrangement with the housing delimits a first pressure chamber, which is fluidically connected to a hydraulic brake system, and wherein the second piston arrangement with the housing delimits a second pressure chamber, which is fluidically connected to the hydraulic brake system. In this master cylinder arrangement it is provided that between the first piston arrangement as well as the second piston arrangement and the force input piston a separate transmission element is disposed, which is movable into joint abutment with the first piston arrangement and the second piston arrangement. | 07-01-2010 |
20100242717 | VACUUM-ASSISTED BRAKE-FORCE BOOSTER FOR A MOTOR-VEHICLE BRAKING SYSTEM - The invention relates to a vacuum-assisted brake-force booster for a motor-vehicle braking system with:
| 09-30-2010 |
20100269684 | Vacuum Brake Booster for a Motor Vehicle Brake System - The present invention relates to a vacuum brake booster for a motor vehicle brake system, having a force input element that is connectable or connected to a brake pedal, a chamber arrangement comprising a vacuum chamber and a working chamber that are separated from one another by a movable wall, a control valve with a valve element for selectively connecting and separating vacuum chamber and working chamber, and a force output element for transmitting an output force to a master cylinder, wherein the force input element is workingly connectable or connected to a transmission piston arrangement disposed in the control valve, wherein the control valve is settable in accordance with a displacement of the transmission piston arrangement along a longitudinal axis by means of the force input element. In this case, it is provided that the transmission piston arrangement is provided with at least one pressure compensation channel, by means of which a pressure compensation is effected at the valve element. | 10-28-2010 |
Patent application number | Description | Published |
20100164276 | Master Cylinder System for an Automotive Hydraulic Brake System and Automotive Hydraulic Brake System - The present invention relates to a master cylinder arrangement for a motor vehicle hydraulic brake system comprising a housing, in which two adjacent cylinder bores are provided, two piston arrangements, wherein a first piston arrangement is received in a first of the cylinder bores so as to be displaceable along a first bore longitudinal axis and wherein a second piston arrangement is received in a second of the cylinder bores so as to be displaceable along a second bore longitudinal axis, a force input piston, which is connectable or connected to a brake pedal, wherein in accordance with a movement of the force input piston the first piston arrangement and the second piston arrangement are displaceable, wherein the first piston arrangement with the housing delimits a first pressure chamber, which is fluidically connected to a hydraulic brake system, and wherein the second piston arrangement with the housing delimits a second pressure chamber, which is fluidically connected to the hydraulic brake system. In this master cylinder arrangement it is provided that between the first piston arrangement as well as the second piston arrangement and the force input piston a separate transmission element is disposed, which is movable into joint abutment with the first piston arrangement and the second piston arrangement. | 07-01-2010 |
20100242717 | VACUUM-ASSISTED BRAKE-FORCE BOOSTER FOR A MOTOR-VEHICLE BRAKING SYSTEM - The invention relates to a vacuum-assisted brake-force booster for a motor-vehicle braking system with:
| 09-30-2010 |
20100269684 | Vacuum Brake Booster for a Motor Vehicle Brake System - The present invention relates to a vacuum brake booster for a motor vehicle brake system, having a force input element that is connectable or connected to a brake pedal, a chamber arrangement comprising a vacuum chamber and a working chamber that are separated from one another by a movable wall, a control valve with a valve element for selectively connecting and separating vacuum chamber and working chamber, and a force output element for transmitting an output force to a master cylinder, wherein the force input element is workingly connectable or connected to a transmission piston arrangement disposed in the control valve, wherein the control valve is settable in accordance with a displacement of the transmission piston arrangement along a longitudinal axis by means of the force input element. In this case, it is provided that the transmission piston arrangement is provided with at least one pressure compensation channel, by means of which a pressure compensation is effected at the valve element. | 10-28-2010 |
20110247324 | VACUUM-ASSISTED BRAKE-FORCE BOOSTER AND METHOD FOR ADJUSTMENT THEREOF - A brake-force booster for a motor-vehicle braking system has a booster housing, with a force-input member which is capable of being coupled to a brake pedal and which can be inserted into the booster housing against the action of a return spring, with a force-output member which is capable of being coupled to a brake cylinder, with a chamber arrangement with a working chamber and a vacuum chamber, which are separated by a movable wall, with a control-valve arrangement arranged between the force-input member and the force-output member, wherein the control-valve arrangement exhibits a first valve seat for optional connecting of the working chamber to external atmosphere, and a second valve seat for optional connecting of the working chamber to the vacuum chamber. A setting of the response force of the brake-force booster is effected by means of a stop sleeve on which the return spring is supported, whereby for the purpose of setting a bias of the return spring the stop sleeve is capable of being displaced relative to the force-input member and is capable of being fixed to the latter in a setting position. | 10-13-2011 |
Patent application number | Description | Published |
20090312148 | Brake Force Generating Device for a Hydraulic Vehicle Brake System, Vehicle Brake System and Method for Operating a Brake Force Generating Device - The invention relates to a brake force generating device for a hydraulic vehicle brake system with a force input member, which can be or is coupled to a brake pedal, a master cylinder arrangement for generating a hydraulic brake pressure, a chamber arrangement, in which a working chamber is separated from a vacuum chamber via a movable wall, a control valve device with a control valve housing for optional connection of the vacuum chamber to the working chamber or of the working chamber to the atmosphere and an electrically triggerable actuating device for actuating the control valve device, which is positioned as floating in the control valve housing. According to the invention it is provided that the control valve device has a first seal seat and a second seal seat, the seal seats being arranged on opposite sides of the actuating device in respect of the longitudinal axis. The invention provides that in a normal operating situation the force input member is mechanically uncoupled from the control valve device actuated by the actuating device. In an emergency operating situation, however, the force input member can according to the invention be coupled mechanically to the control valve device and can actuate the control valve device as a result of its displacement in the direction of the longitudinal axis. | 12-17-2009 |
20100242717 | VACUUM-ASSISTED BRAKE-FORCE BOOSTER FOR A MOTOR-VEHICLE BRAKING SYSTEM - The invention relates to a vacuum-assisted brake-force booster for a motor-vehicle braking system with:
| 09-30-2010 |
20100269684 | Vacuum Brake Booster for a Motor Vehicle Brake System - The present invention relates to a vacuum brake booster for a motor vehicle brake system, having a force input element that is connectable or connected to a brake pedal, a chamber arrangement comprising a vacuum chamber and a working chamber that are separated from one another by a movable wall, a control valve with a valve element for selectively connecting and separating vacuum chamber and working chamber, and a force output element for transmitting an output force to a master cylinder, wherein the force input element is workingly connectable or connected to a transmission piston arrangement disposed in the control valve, wherein the control valve is settable in accordance with a displacement of the transmission piston arrangement along a longitudinal axis by means of the force input element. In this case, it is provided that the transmission piston arrangement is provided with at least one pressure compensation channel, by means of which a pressure compensation is effected at the valve element. | 10-28-2010 |
Patent application number | Description | Published |
20090312148 | Brake Force Generating Device for a Hydraulic Vehicle Brake System, Vehicle Brake System and Method for Operating a Brake Force Generating Device - The invention relates to a brake force generating device for a hydraulic vehicle brake system with a force input member, which can be or is coupled to a brake pedal, a master cylinder arrangement for generating a hydraulic brake pressure, a chamber arrangement, in which a working chamber is separated from a vacuum chamber via a movable wall, a control valve device with a control valve housing for optional connection of the vacuum chamber to the working chamber or of the working chamber to the atmosphere and an electrically triggerable actuating device for actuating the control valve device, which is positioned as floating in the control valve housing. According to the invention it is provided that the control valve device has a first seal seat and a second seal seat, the seal seats being arranged on opposite sides of the actuating device in respect of the longitudinal axis. The invention provides that in a normal operating situation the force input member is mechanically uncoupled from the control valve device actuated by the actuating device. In an emergency operating situation, however, the force input member can according to the invention be coupled mechanically to the control valve device and can actuate the control valve device as a result of its displacement in the direction of the longitudinal axis. | 12-17-2009 |
20100242717 | VACUUM-ASSISTED BRAKE-FORCE BOOSTER FOR A MOTOR-VEHICLE BRAKING SYSTEM - The invention relates to a vacuum-assisted brake-force booster for a motor-vehicle braking system with:
| 09-30-2010 |
20100269684 | Vacuum Brake Booster for a Motor Vehicle Brake System - The present invention relates to a vacuum brake booster for a motor vehicle brake system, having a force input element that is connectable or connected to a brake pedal, a chamber arrangement comprising a vacuum chamber and a working chamber that are separated from one another by a movable wall, a control valve with a valve element for selectively connecting and separating vacuum chamber and working chamber, and a force output element for transmitting an output force to a master cylinder, wherein the force input element is workingly connectable or connected to a transmission piston arrangement disposed in the control valve, wherein the control valve is settable in accordance with a displacement of the transmission piston arrangement along a longitudinal axis by means of the force input element. In this case, it is provided that the transmission piston arrangement is provided with at least one pressure compensation channel, by means of which a pressure compensation is effected at the valve element. | 10-28-2010 |
20110247324 | VACUUM-ASSISTED BRAKE-FORCE BOOSTER AND METHOD FOR ADJUSTMENT THEREOF - A brake-force booster for a motor-vehicle braking system has a booster housing, with a force-input member which is capable of being coupled to a brake pedal and which can be inserted into the booster housing against the action of a return spring, with a force-output member which is capable of being coupled to a brake cylinder, with a chamber arrangement with a working chamber and a vacuum chamber, which are separated by a movable wall, with a control-valve arrangement arranged between the force-input member and the force-output member, wherein the control-valve arrangement exhibits a first valve seat for optional connecting of the working chamber to external atmosphere, and a second valve seat for optional connecting of the working chamber to the vacuum chamber. A setting of the response force of the brake-force booster is effected by means of a stop sleeve on which the return spring is supported, whereby for the purpose of setting a bias of the return spring the stop sleeve is capable of being displaced relative to the force-input member and is capable of being fixed to the latter in a setting position. | 10-13-2011 |