Class / Patent application number | Description | Number of patent applications / Date published |
060534000 | Having signal, indicator or recorder of apparatus condition | 15 |
20080202115 | Machine and integrated hybrid drive with regenerative hydraulic force assist - A mechanical-hydraulic machine and an integrated hybrid drive with a regenerative force assist for eliminating pumps and intensifiers and reducing the energy consumption, operating costs, investment costs, weight and size of machines and improving their performance. The integrated hybrid drive is comprised of common mechanical and hydraulic components. The regenerative hydraulic force assist converts gravitational and deceleration forces of the machine into fluid pressure, stores the fluid pressure and applies the fluid pressure to clamping of dies or molds and/or performing machine operations. A closed loop control system controls the flow of fluid between the hydraulic drive and regenerative force assist. | 08-28-2008 |
20100071361 | Compensating Reservoir For A Hydraulic Motor Vehicle Brake System - A compensating tank for a hydraulic motor vehicle brake system, having a housing including a housing upper part and a housing lower part and having a device for monitoring the tank filling level of the compensating tank, including a switching unit, which is welded to the housing and has a plug connector, and including a sensor or switching element which can be switched by a transducer at a switching point S at which the switching unit generates a signal for an electronic control unit. The housing has a depression for holding the switching unit, with the switching unit having a base body composed of plastic, which base body is welded to the housing in the depression, and with the depression being provided such that the base body of the switching unit forms a planar surface with the housing. | 03-25-2010 |
20100205957 | COMPENSATION TANK FOR A HYDRAULIC MOTOR VEHICLE BRAKE SYSTEM - A fluid reservoir for a motor vehicle hydraulic brake system, having a housing with at least one fluid chamber, the housing preferably having a housing upper part and a housing lower part, a reservoir warning device for monitoring the reservoir filling level of the fluid reservoir, a filler neck for filling the fluid reservoir, a cap for fluid-tight closure of the filler neck, provisions for pressure balancing of the fluid reservoir and preferably a canister-shaped filling filter arranged in the area of the filler neck and having a wall and a base. | 08-19-2010 |
20110259004 | BRAKE ACTUATOR UNIT - Disclosed is a brake actuator unit capable of improving the pedal feeling. The brake actuator unit includes a housing, a master cylinder connected to one end of the housing and provided therein with first and second pistons arranged in parallel to each other, an operating fluid reservoir coupled to an upper portion of the master cylinder to store operating fluid, a simulator accommodated in the master cylinder to provide repulsive force of a pedal, an input shaft moving back and forth according to an operation of the pedal, a control plunger slidably moving back and forth together with the input shaft, first and second output shafts positioned corresponding to first and second pistons to move back and forth together with the control plunger, and a pedal displacement sensor connected to the input shaft. | 10-27-2011 |
20130213034 | ACTUATING DEVICE, IN PARTICULAR FOR A VEHICLE BRAKING SYSTEM - The invention relates to an actuating device, in particular for a vehicle braking system, having an actuating mechanism, a power-operated actuator, a first travel sensor for sensing the travel of the actuating mechanism, and having an evaluation unit, an additional travel sensor, which can be actuated separately from the first travel sensor, wherein the travel sensors are actuated by way of two elements which can be moved relative to each other and wherein the differential travels and/or differential forces of the travel sensors are measured and evaluated by the evaluation unit. According to the invention an actuating element ( | 08-22-2013 |
20130239566 | INTEGRATED ELECTRONIC HYDRAULIC BRAKE SYSTEM - An integrated electronic hydraulic brake system provided with an actuator including a master cylinder and a pedal simulator, an electronic stability control (ESC) and a hydraulic power unit (HPU) in a single unit. | 09-19-2013 |
20130247557 | DEVICE FOR MONITORING THE POSITION AND MOVEMENT OF A BRAKE PEDAL - A device for monitoring the position and movement of a brake pedal for motor vehicles, including a power assist brake actuating unit. The brake actuating unit having a master cylinder fastened to the brake power assist unit, a housing and at least one piston displaceable in a linear manner in the master cylinder, and a position indicator for monitoring the position of the brake pedal. The position indicator transmits signals to a sensor element connected to an electronic control unit. The position indicator is provided on a support coupled to the movement of the control valve housing or to the movable wall that is supported by the control valve housing. The support is guided in a housing of a sensor element, and the housing of the sensor element penetrates in a vacuum-tight manner the power assist unit housing and the housing of the master cylinder having a first housing section. | 09-26-2013 |
20140020377 | BRAKING-FORCE GENERATOR - In a braking-force generator: a master cylinder generates first braking force corresponding to an operational input through a manipulator; a hydraulic-pressure generator connected to the master cylinder through a shutoff valve generates second braking force corresponding to the operational input through the manipulator when the shutoff valve is closed; an abnormality detector repeatedly determines whether or not an operational state of the hydraulic-pressure generator is abnormal; and a controller prohibits generation of the second braking force, opens the shutoff valve, and transmits the first braking force to the hydraulic-pressure generator, when the operational state is abnormal. In the case where the abnormality detector determines that the operational state changes from an abnormal state to a normal state while manipulation with the manipulator is being performed, the controller keeps prohibition of the generation of the second braking force and keeps the shutoff valve open until the manipulation is terminated. | 01-23-2014 |
20140047829 | BRAKING SYSTEM AND METHOD FOR REGULATING A PRESSURE OF A BRAKE MEDIUM IN A BRAKING SYSTEM - A braking system, in particular for a motor vehicle, including a braking force device having a brake booster for boosting a braking force and a brake pressure supply device for providing brake pressure with the aid of a brake medium, a braking device which may be acted on by pressure by the brake medium with the aid of the brake pressure supply device, and at least one sensor which is designed to detect a distance differential of a displacement means for the displacement of a volume of the brake medium of the braking force device. The braking force device is designed to ascertain the volume of brake medium to be displaced on the basis of the detected distance differential. | 02-20-2014 |
20140137550 | Master Brake Cylinder Arrangement with Actuation Detection for a Vehicle Brake System - A master brake cylinder arrangement includes at least one piston arrangement with a piston movably guided in a receiving bore in a master brake cylinder housing. The piston together with the receiving bore, delimits a pressure chamber which is in fluid connection with a hydraulic brake circuit and may be moved along a movement axis between an initial position and an actuation position. A position detecting device detects movement of the piston caused by actuation is provided within the receiving bore. The position detecting device has a sensor element, which is movable as a function of a piston movement, and a position detecting sensor, which is arranged fixed on the master brake cylinder housing. The sensor element is received and guided in the master brake cylinder housing independently of the piston and is capable of interacting with the piston for deflection as a function of the piston movement. | 05-22-2014 |
20150020520 | METHOD FOR CALIBRATING ANALOG-CONTROLLED HYDRAULIC VALVES AND BRAKE SYSTEM COMPRISING AN ELECTRONIC CONTROL AND REGULATING UNIT IN WHICH THE METHOD IS CARRIED OUT - A method for determining a driving characteristic of an analogized or analog-controlled hydraulic valve of a motor vehicle hydraulic brake system in which a brake pressure generated with the aid of an electrically controllable, electric-motor-driven pressure supply device, is conducted to a wheel brake via an inlet valve and can be conducted via an outlet valve from the wheel brake into a pressure medium container. The pressure supply device and the inlet valves, and outlet valves, can be controlled by an electronic control unit. For determining the control characteristic of an analogized or analog-controlled inlet or outlet valve, a brake pressure is generated by the control unit via the pressure supply device, and the brake pressure is determined by a pressure sensor associated with the pressure supply device. The determined brake pressure and an associated valve control variable are stored as a calibration point of the control characteristic. | 01-22-2015 |
20150316081 | Master Brake Cylinder Arrangement with Actuation Detection for a Motor Vehicle Brake System - The invention relates to a master brake cylinder arrangement with actuation detection for a motor vehicle braking system, having at least one piston arrangement with a piston, which is movably guided in a cylinder bore in a cylinder housing, said piston with the cylinder bore defining a pressure chamber which is fluidically coupled to a hydraulic brake circuit. During a forward stroke, the piston can be moved from a start position into a possible actuation piston along a movement axis, which coincides essentially with a longitudinal axis of the cylinder bore, and during a return stroke, said piston is moved from an actuation position into a start position. The piston is associated with a coupling element which is coupled to a position detecting rod for common movement therewith, said position detecting rod being moved essentially parallel to the first cylinder bore, the position of the position detecting rod can be detected by means of a position detecting sensor placed on the cylinder housing. According to the invention, in order to save space, the coupling element can be locked relative to the piston for a common lift movement therewith and after exceeding a predetermined path of the lift movement, the piston can be moved further relative to the coupling element. | 11-05-2015 |
20150329040 | MASTER CYLINDER - Disclosed is a master cylinder for a vehicle brake. The master cylinder includes a cylinder body provided with a hollow bore, a primary piston configured to perform a reciprocating motion in the hollow bore in linkage with a pedal, a secondary piston configured to move in linkage with the motion of the primary piston, and a Brake Light Stop (BLS) sensor module comprising a magnet provided at the primary piston and provided in a ring shape, and a hall sensor installed at an outer side of the cylinder body to correspond to the magnet and configured to control on/off operations of a brake lamp by sensing a magnetic flux density according to the reciprocating motion of the primary piston, wherein the magnet has both sides thereof supported by the primary piston and a return spring that is provided between the primary piston and the secondary piston, respectively. | 11-19-2015 |
20160001755 | BRAKING DEVICE FOR VEHICLE - The braking device for a vehicle includes a judging portion which judges whether the input piston and the output piston are in contact with or separated from each other and a control portion which outputs the control signal to the pilot pressure generating device so that the hydraulic pressure detected by the hydraulic pressure detecting device becomes a target value corresponding to a vehicle state, when judged that the input piston is not in contact with the output piston and outputs another control signal to the pilot pressure generating device, by which the pilot pressure becomes higher than the pilot pressure generated under a same vehicle state to a vehicle state in a case that the control signal is outputted when the judging portion judges that the input piston is not in contact with the output piston, when judged that the input piston is in contact with the output piston. | 01-07-2016 |
20160144836 | Sensor device, hydraulic unit for cooperating with the sensor device, braking system, and method for installing the sensor device - A sensor device for detecting a displacement of a master brake cylinder piston of a master brake cylinder situated on and/or in a hydraulic unit includes: a sensor element; an evaluation electronics system; a first molded part on or in which the at least one sensor element is situated, the first molded part including at least one first electrical contact element; and a second molded part. The at least one first electrical contact element contacts at least one second electrical contact element of the second molded part which is at least partially introduced into the second opening. | 05-26-2016 |