| Entries |
| Document | Title | Date |
|---|
| 20080203812 | Brake Control Apparatus for Vehicle - A brake control apparatus for a vehicle includes a first calculating portion for calculating a master cylinder pressure, a first determining portion for determining whether or not the brake operation is performed, a second calculating portion for calculating a target wheel cylinder pressure, a third calculating portion for calculating a controlled pressure, a controlling portion for controlling a pressure difference control valve, a second determining portion for determining whether or not the vehicle is stopped, and a driving portion for specifying a drive pattern of a motor to a first motor drive pattern in a case where the vehicle is not stopped, the motor driving a pump for discharging a brake fluid, the driving means specifying the drive pattern to a second motor drive pattern in a case where the vehicle is stopped, the driving means driving the motor based on the motor driving pattern specified. | 08-28-2008 |
| 20080224533 | BRAKE CONTROL APPARATUS AND PROCESS OF CONTROLLING THE SAME - A brake control apparatus for a vehicle includes a wheel cylinder, a pump for pressurizing a brake fluid in the wheel cylinder, and an electric motor for driving the pump. A controller operates the electric motor so as to conform an internal pressure of the wheel cylinder to a desired internal pressure of the wheel cylinder, and produces a torque applied to the electric motor in a first rotational direction, while the pump is stopping from a state in which the electric motor is rotating in a second rotational direction opposite to the first rotational direction so as to allow the pump to pressurize the brake fluid in the wheel cylinder. | 09-18-2008 |
| 20080246333 | Combination Secondary Master Cylinder and Brake Pedal Compliance Device for Automotive Braking System - A combination secondary master cylinder and brake pedal compliance device for an automotive braking system includes a cylinder having a signal chamber, a working chamber, and a compliance chamber. Elastic devices mounted within the working chamber and compliance chamber allow the apparent compliance of the friction braking system attached to the combination device to remain at a relatively constant value notwithstanding the presence of varying amounts of powertrain braking. | 10-09-2008 |
| 20080258544 | VEHICLE BRAKE CONTROL UNIT BASE BODY AND VEHICLE BRAKE CONTROL UNIT - A base body has flow path configuring portions, has inlet and outlet ports, a central mounting hole | 10-23-2008 |
| 20080265663 | Active Brake Pads Retraction System and Method - Brake pads are retracted with respect to the brake rotor responsive to predetermined conditions of the motor vehicle in which braking is not required. Selective application of negative brake line pressure causes the caliper pistons to retract with respect to their respective caliper cylinders, thereby causing the brake pads to retract from the brake rotor. The predetermined conditions of the motor vehicle when braking is not required include when the motor vehicle is cruising or is parked. | 10-30-2008 |
| 20080284239 | Brake System for a Vehicle - The invention relates to a brake system for a vehicle having at least one brake circuit which includes at least one wheel brake, one inlet valve, one outlet valve, and one return device. The return device has at least one first pump device and one second pump device, having respective inlet valves and outlet valves. The pump devices have a delivery cycle offset from each other. An additional valve is located in every supply line of every pump device for preventing negative pressure produced in an intake phase of one of the pump devices from being applied to an inlet valve of another pump device. | 11-20-2008 |
| 20100045096 | Motor/Pump Assembly - A motor and pump assembly for providing pressure to a brake actuating device of a motor vehicle brake system is described herein. The assembly comprises an electric motor and a double diaphragm pump. The pump includes a pump housing, two opposed working diaphragms, and crank drives each being coupled between the electric motor and a respective diaphragm for moving the diaphragm. A working chamber is defined between the pump housing and a working chamber cover. Each working chamber including an inlet channel, an inlet valve associated with the inlet channel, an outlet channel, and an outlet valve associated with the outlet channel, wherein the outlet channels are defined in the covers of the working chamber and in the pump housing to direct air displaced from the working chambers into an inside space of the pump housing. An air outlet unit is provided for exhausting the air from the inside space. | 02-25-2010 |
| 20100052415 | HYDRAULIC PUMP - A hydraulic pump comprising a containment body ( | 03-04-2010 |
| 20100176652 | BRAKING DEVICE - A braking device includes: an input member configured to interlock with a displacement of a brake pedal; an output member which is movable relatively to and independently of the input member and is configured to generate a fluid pressure in a master cylinder; a braking mechanism configured to exert a braking force on a wheel by the fluid pressure generated in the master cylinder; drive means configured to drive the output member independently of the input member; and a clutch mechanism which is provided between the input member and the output member and configured to engage the input member with the output member so as to allow the input and output members to uniformly move when the output member is not driven by the drive means, and to cancel the engagement between the input member and the output member when the output member is driven by the drive means. | 07-15-2010 |
| 20100176653 | BRAKE APPARATUS - A brake apparatus includes a master cylinder generating a master cylinder hydraulic pressure corresponding to a pressing operation to a brake pedal, a braking mechanism, a pressurizing mechanism generating a brake fluid pressure by use of a motor irrespective of the pressing operation, a control portion controlling an electric current applied to the motor corresponding to the pressing operation, a valve, a hydraulic pressure sensor detecting the brake fluid pressure generated by the pressurizing mechanism, and a failure determining portion executing a failure determination of the motor on the basis of the brake fluid pressure detected by the hydraulic pressure sensor by adjusting the degree of opening of the valve so as to be a interrupting position for interrupting the flow of the brake fluid pressure and by applying an electric current to the motor in order to generate the brake fluid pressure so as to be a predetermined pressure. | 07-15-2010 |
| 20100207446 | HYDRAULIC UNIT FOR REGULATING THE BRAKE PRESSURE IN A VEHICLE BRAKE SYSTEM - The invention is based on a hydraulic unit for regulating the brake pressure in a vehicle brake system. Hydraulic units of such a type are the core component of an anti-lock vehicle brake system, of a drive slip vehicle brake system or of a vehicle brake system which regulates driving stability. The invention proposes a particularly advantageous arrangement of the required recesses in a housing block of a hydraulic unit. On account of the arrangement, the housing block can be reduced in terms of its dimensions, and can be produced with a lower weight and more simply in terms of production. For this purpose, according to the invention, the pressure fluid connection from one of the ports of the master brake cylinder to the suction side of one of the pump elements extends through the valve receptacle of the switching valve. | 08-19-2010 |
| 20100213757 | HYDRAULIC UNIT - A hydraulic unit for a motor vehicle brake system operating on the recirculation principle, in which each brake circuit has in the region of the hydraulic unit a prefilling location which opens into the pump suction conduit between the pressure-retaining valve and the change-over valve for the purpose of receiving brake fluid. The hydraulic unit can thereby be prefilled with lower complexity and cost in terms of time and processes prior to installation in the vehicle. | 08-26-2010 |
| 20100231033 | HYDRAULIC UNIT FOR SLIP-CONTROLLED BRAKING SYSTEMS - A hydraulic unit for slip-controlled braking systems has a plurality of receiving holes for transport devices associated with a plurality of hydraulic circuits bundled into groups, wherein the receiving holes are disposed at a distance from each in parallel with the upper side and a drive shaft having eccentrics located at the plane spacing for driving the transport devices. In order to provide a compromise optimized for manufacturing a small, convenient hydraulic unit, it is proposed that three theoretical planes (E | 09-16-2010 |
| 20100237688 | MOTOR VEHICLE BRAKING ASSEMBLY - A vehicle braking assembly comprising a master cylinder ( | 09-23-2010 |
| 20100237689 | GEAR PUMP AND GEAR PUMP FOR BRAKE APPARATUS - A gear pump includes: a drive shaft; a first gear; a second gear; a first plate disposed between the first gear and the second gear, and arranged to liquid-tightly seal the first surfaces of the first and second gear; a pair of second plates disposed, respectively, on the second surfaces of the first and second gears, and arranged to liquid-tightly seal the second surfaces of the first and second gears, each of the second plates including a tooth top sealing portion having a seal surface arranged to seal a tooth top of the first gear and a tooth top of the second gear, and to form a suction portion with the first plate and the second plate; and an urging member arranged to urge the drive shaft toward the seal surface of the tooth top sealing portion of one of the first and second plates. | 09-23-2010 |
| 20100264723 | BRAKE FLUID PRESSURE CONTROL DEVICE - To efficiently make a brake fluid pressure control device compact and lightweight. A brake fluid pressure control device | 10-21-2010 |
| 20100308644 | CONTROL DEVICE OF INDUSTRIAL VEHICLE, AND INDUSTRIAL VEHICLE LOADED WITH THE DEVICE - There is provided a control device of an industrial vehicle and an industrial vehicle loaded with this device, capable of reliably detecting operator absence, thereby avoiding the danger of an accident occurring during this absence. In a control device | 12-09-2010 |
| 20100327653 | AIR BRAKING SYSTEM - An air braking unit for use in an air braking system. The air braking unit is arranged to be positioned, in use, at a vehicle wheel, and comprises an inlet for receiving, in use, compressed air from a central source. At least one first valve is arranged to selectively allow compressed air from the inlet to enter a wheel brake chamber in use. At least one second valve is arranged to selectively allow air from the brake chamber to be released via an outlet to the atmosphere in use and control means controls the first and second valves to operate to selectively control the air pressure in the brake chamber in use. | 12-30-2010 |
| 20110006594 | HYDRAULIC BRAKE SYSTEM WITH CONTROLLED BOOST - An electronically controlled boosted brake system including an isolation valve between a source of pressurized fluid and a boost valve for selectively restricting the flow of fluid from the source to the boost valve. Another feature of the brake system relates to an accumulator valve connected between the boost valve and the accumulator for controlling when the operating pressure of the accumulator is supplied to the boost valve. Yet another feature is a unique master cylinder design including at least one primary piston positioned within a housing in an overlapping relationship with portions of a pair of secondary pistons. | 01-13-2011 |
| 20110049972 | STROKE SIMULATOR AND BRAKE CONTROL APPARATUS - A stroke simulator generates a reaction force in response to the operation of a brake pedal. The stroke simulator includes a stroke simulator housing, a stroke simulator piston, disposed slidably in the housing, which divides the interior of the stroke simulator housing into a first volumetric chamber and a second volumetric chamber, a stroke simulator spring, disposed in the second volumetric chamber, which generates a reaction force in response to the operation of the brake pedal by elastic deformation caused by the sliding of the stroke simulator piston, and a first supply port and a second supply port, provided for the first volumetric chamber and the second volumetric chamber, respectively, which are capable of supplying the operating oil pressure into the respective volumetric chambers when the brake pedal is operated. | 03-03-2011 |
| 20110049973 | braking device for a motor vehicle - In a braking device for a motor vehicle having a first group and a second group of brake circuits, each brake circuit being associated with one group of wheels, and at least the first group of brake circuit being implemented as hydraulic brake circuits, at least one group of wheels being connected to at least one operating unit, which may cause a deceleration of the wheels, the task of a comfortable connection of recuperation brake applications to conventional brake applications is achieved in that a control unit controls the brake application of the brake circuit or circuits of the second group and optionally the deceleration effect of the operating unit or assemblies, the first group of brake circuits being activatable directly by the driver using a brake operating unit. | 03-03-2011 |
| 20110074207 | BRAKE DEVICE - A brake device comprising a master cylinder ( | 03-31-2011 |
| 20110074208 | PUMP UNIT FOR ELECTRONIC CONTROL BRAKE SYSTEM - Disclosed is a pump unit for an electronic control brake system. The pump unit includes first to third pumps arranged on a first plane at angular positions of 120°, 60°, and 180°, respectively, and fourth to sixth pumps arranged on a second plane spaced apart from the first plane in parallel to the first plane. The fourth to sixth pumps are arranged at angular positions 60°, 120°, and 180°, respectively, so that the hydraulic pressure pulsation is reduced during the pump operation and a brake oil pressure is rapidly formed. | 03-31-2011 |
| 20110101772 | CONTROL VALVE FOR A VEHICLE BRAKE SYSTEM, AND VEHICLE BRAKE SYSEM HAVING SUCH A CONTROL VALVE - The invention relates to a control valve for a vehicle brake system having a first fluid connection, a second fluid connection, and a decompressed connection toward the atmosphere. An adjustment spring applies a spring force to a control piston moving in longitudinal direction on the decompressed side, the control piston completely releasing a fluid connection between the first fluid connection and the second fluid connection in an initial position, and to a corresponding vehicle brake system having such a control valve. According to the invention the control valve includes a valve body having a seal seat and a sealing element coupled to a control piston. A sealing region of the sealing element interacts with the seal seat of the valve body in order to limit an effective pressure present on the second fluid connection to a predetermined maximum pressure value. The effective diameter of the control piston is greater than or equal to an effective diameter of the sealing element. | 05-05-2011 |
| 20110121641 | VEHICLE BRAKE FLUID PRESSURE CONTROL APPARATUS - A vehicle brake fluid pressure control apparatus includes: a normally open electromagnetic valve which adjusts a differential pressure between an upstream side and a downstream side; and a control unit including a memory part which stores a valve closing map which shows a relationship between the differential pressure between the upstream side and the downstream side of the pressure regulator valve and an output current value for closing the pressure regulator valve and a valve opening map which shows a relationship between the differential pressure and an output current value for opening the pressure regulator valve, wherein when attempting to reduce a fluid pressures, the control unit executes a current value switching control which controls a current flowing to the pressure regulator valve by selecting alternately an output current value of the valve opening map and an output current value of the valve closing map. | 05-26-2011 |
| 20110204708 | BRAKE FLUID PRESSURE CONTROL DEVICE FOR VEHICLE - A brake fluid pressure control device has a base unit including: an inlet valve mounting hole; an outlet valve mounting hole; a reservoir hole; a cylinder hole into which a plunger is inserted to freely slide in the cylinder hole; an inflow hole that connects the outlet valve mounting hole and the reservoir hole; a suction hole that connects the reservoir hole and the cylinder hole; and a discharge hole that connects the cylinder hole and the inlet valve mounting hole, wherein the suction hole is configured to be inserted with a suction valve that allows only an inflow of the brake fluid into the cylinder hole, wherein the discharge hole is configured to be inserted with a discharge valve that allows only a discharge of the brake fluid from the cylinder hole, and wherein the inflow hole and the suction hole are arranged to be substantially in parallel with each other. | 08-25-2011 |
| 20110227404 | VEHICULAR BRAKE AND METHOD THERFOR - In one aspect, the present invention is directed to a vehicular brake ( | 09-22-2011 |
| 20110254359 | VEHICULAR BRAKE SYSTEM OPERABLE IN DUAL MODES - A system for use in a vehicle with a brake pedal and a brake circuit which includes a master cylinder assembly, a sensor assembly configured to generate a pedal position signal indicative of position of the brake pedal, an electronic control unit configured to (i) generate a brake request signal in response to generation of the pedal position signal, and (ii) generate a selector control signal, and a selector valve assembly operable in a first mode and a second mode, the selector valve assembly being moved from the first mode to the second mode in response to generation of the selector control signal, the master cylinder assembly is (i) isolated from fluid communication with the brake circuit when the selector valve assembly is positioned in the first mode, and (ii) in fluid communication with the brake circuit when the selector valve assembly is positioned in the second mode. | 10-20-2011 |
| 20110254360 | Brake System with Selector Valve for Selecting Between Two Modes of Operation - A system for use in a vehicle with a brake pedal and a brake circuit. The system includes a master cylinder assembly configured to pressurize fluid therein in response to movement of the brake pedal, a sensor assembly configured to generate a pedal position signal indicative of position of the brake pedal, an electronic control unit configured to (i) generate a brake request signal in response to generation of the pedal position signal, and (ii) generate a selector control signal, and a selector valve assembly being moved from a first mode to a second mode in response to generation of the selector control signal, the master cylinder assembly is (i) isolated from fluid communication with the brake circuit when the selector valve assembly is positioned in the first mode, and (ii) in fluid communication with the brake circuit when the selector valve assembly is positioned in the second mode. | 10-20-2011 |
| 20110254361 | BRAKE SYSTEM FOR MOTOR VEHICLES - A brake system for motor vehicles, having a pump for conveying brake fluid into a brake pressure line; a motor able to be connected to an on-board voltage source, for driving the pump; and a control device for the motor, wherein an electric energy-storage device is provided in addition to the on-board voltage source, and the control device is designed to connect the motor to the energy-storage device intermittently. The energy-storage device may be a booster battery or a capacitor. | 10-20-2011 |
| 20110273006 | BRAKE CONTROL APPARATUS - A brake control apparatus includes a brake unit. The brake unit includes: a first port set hydraulically connected to a master cylinder via a first fluid line set; a second port set hydraulically connected to a wheel cylinder set via a second fluid line set; a first fluid passage hydraulically connecting the first port set to the second port set; a first switching valve arranged to vary a state of fluid communication through the first fluid passage; a fluid pressure source arranged to produce a fluid pressure supplied to the second port set; a fluid accommodating section adapted to accommodate a variable amount of brake fluid; a branch fluid passage hydraulically connecting the first port set to the fluid accommodating section; and a second switching valve arranged to vary a state of fluid communication through the branch fluid passage. | 11-10-2011 |
| 20110316328 | METHOD OF ELIMINATING SEIZURE OF SLAVE CYLINDER OF BRAKE DEVICE - In a brake device, when a piston ( | 12-29-2011 |
| 20120013174 | BRAKE APPARATUS - A brake apparatus includes: a master cylinder that forms a driving fluid pressure chamber, which drives master pistons as brake fluid is supplied and discharged; a pressure adjusting part adjusting a driving fluid pressure of the driving fluid pressure chamber; a reaction force generator that forms a reaction force chamber and that is configured to generate a reaction force fluid pressure in the reaction force chamber in accordance with an operating amount of the brake operation member; a brake fluid path, which connects the reaction force chamber to the driving fluid pressure chamber, and a valve device configured to block, at a current-on state, flowing of the brake fluid, and that communicates, at a current-off state, the reaction force chamber to the driving fluid pressure chamber through the brake fluid path to enable the flowing of the brake fluid. | 01-19-2012 |
| 20120091786 | Vehicle Hydraulic Brake System with Wheel Slip Control - A vehicle hydraulic brake system with wheel slip control includes two brake circuits and brake pressurization valves and brake pressure-reduction valves for each wheel brake. The two brake circuits are connected by a connecting valve in the form of a non-return valve on a side of the wheel brakes remote from the brake pressure valves. The connecting valve permits a more rapid build-up of the wheel brake pressure in the wheel brakes of the one brake circuit when a brake pressure in the other brake circuit is lower. | 04-19-2012 |
| 20120112524 | BRAKE CONTROL APPARATUS - In a brake control apparatus employing a pump for producing a flow of brake fluid in a hydraulic brake circuit, an electric motor for driving the pump, and a control unit, the control unit includes a motor speed estimation section configured to estimate a revolution speed of the motor based on an inter-terminal voltage of the motor and a motor characteristic of the motor. Also provided is a motor speed control section configured to control a speed of the motor based on the motor speed estimated by the motor speed estimation section and a preset target motor speed. | 05-10-2012 |
| 20120112525 | VEHICLE BRAKING SYSTEM - A vehicle braking system includes an operation amount detector, a hydraulic pressure source, a controller, and a wheel cylinder. The hydraulic pressure source is to generate brake hydraulic pressure corresponding to an amount of operation detected by the operation amount detector. The wheel cylinder is to be operated by the brake hydraulic pressure generated by the hydraulic pressure source. The hydraulic pressure source includes a first actuator and a second actuator. The first actuator includes a piston and an electric motor. The electric motor is configured to move the piston forwardly to generate the brake hydraulic pressure. The second actuator includes a pump configured to pressurize brake fluid located downstream of the first actuator. The controller is configured to selectively operate the first actuator and the second actuator based on the amount of operation detected by the operation amount detector. | 05-10-2012 |
| 20120133200 | BRAKE SYSTEM AND METHOD - A hydraulic system for an aircraft includes a brake operation device, a pressure supply, a reservoir, a shut-off valve, and a wheel brake. The shut-off valve is in fluid communication with and is disposed between the pressure supply and the brake valve. The shut-off valve can include a poppet, a first valve seat and a second valve seat. Movement of the poppet is controlled by operation of the brake operation device. The poppet is movable between a first position where the poppet acts against the first valve seat and a second position where the poppet acts against the second valve seat. In the first position, fluid flow is blocked between the pressure supply and the brake valve through the shut-off valve. In the second position, fluid flow is allowed between the pressure supply and the brake valve through the shut-off valve. The wheel brake is in fluid communication with and downstream from the shut-off valve. | 05-31-2012 |
| 20120139331 | BRAKE APPARATUS - A brake apparatus including a housing, a piston body disposed within each of a pair of closed-ended bores formed in the housing, a first elastic member that biases the piston body toward a closed end of the respective bores, a fluid passage opened to the closed end of the respective bores, a pressure regulating valve disposed in the fluid passage, and a rotary gear pump disposed in a region between the pressure regulating valve disposed in the fluid passage opened to the closed end of one of the bores and the pressure regulating valve disposed in the fluid passage opened to the closed end of the other of the bores. The fluid passages are formed to be offset from respective central axes of the piston bodies in such a direction that the fluid passages are spaced apart from each other. | 06-07-2012 |
| 20120153711 | COMPRESSED AIR SUPPLY SYSTEM, COMPRESSED AIR SUPPLY DEVICE FOR VEHICLE, AND METHOD OF CONTROLLING AIR COMPRESSOR - The operation of an air compressor is controlled to control engine performance to thereby improve the performance of the vehicle. A compressor ( | 06-21-2012 |
| 20120187750 | HILL ROLL-BACK AND ROLL-FORWARD CONTROL SYSTEMS AND METHODS - A triggering module selectively generates a triggering signal when a vehicle is stopped, a grade of a surface is one of greater than a predetermined positive grade and less than a predetermined negative grade, and a brake pedal position is greater than a predetermined position. A brake actuator provides brake fluid to a braking system when the brake pedal position is greater than the predetermined position. A brake releasing module, after the triggering signal is generated, begins releasing the brake fluid from the braking system a predetermined period after the brake pedal position reaches the predetermined position. A brake applying module selectively operates a brake fluid pump after the triggering signal is generated based on a comparison of a vehicle speed and a predetermined vehicle speed. The brake fluid pump provides brake fluid to the braking system when the brake fluid pump is operated. | 07-26-2012 |
| 20120193974 | BRAKING SYSTEM FOR A VEHICLE - A braking system is described for a vehicle, including: a master brake cylinder having at least one chamber, which is hydraulically connected to at least one wheel brake cylinder for braking a wheel of the vehicle; a hydraulic actuating device, which actuates a piston of the master brake cylinder in order to thereby pressurize hydraulic fluid in the chamber; an accumulator, which stores hydraulic fluid under pressure and supplies it to the actuating device for actuating the piston of the master brake cylinder; and a pump, which, in a first operating mode of the braking system, conveys hydraulic fluid from a tank to the accumulator and, in a second operating mode of the braking system, pumps hydraulic fluid from the wheel brake cylinder to the master brake cylinder. | 08-02-2012 |
| 20120228925 | ELECTRONICALLY CONTROLLED HYDRAULIC BRAKE SYSTEM - A hydraulic brake system equipped for anti-slip control and for active brake interventions has a self-priming pump. A pressure retention valve prevents the brake system's low-pressure accumulator and the wheel brakes from being evacuated below atmospheric pressure during a sensitive brake operation. A two-position valve deactivates the bias of the pressure retention valve by opening a fluid path from the low-pressure accumulator to the pump when it is desired that the wheel brakes be retracted farther to reduce drag and excessive wear of the brake friction elements. | 09-13-2012 |
| 20120242140 | PUMP DEVICE - A pump device comprising a first side plate arranged at one axial side of a drive gear and having a first contact surface contacting to a first side surface of the drive gear, a friction coefficient of the first contact surface being smaller than that of the first side surface of the drive gear, a second side plate arranged at the other axial side of the drive gear and having a second contact surface contacting to a second side surface of the drive gear, a friction coefficient of the second contact surface being smaller than that of the second side surface of the drive gear and a seal member incorporated with the first and second side plates to constitute a pump chamber, the seal member sealing tops of teeth of the drive gear and having a friction coefficient that is smaller than that of the tops of the teeth. | 09-27-2012 |
| 20120248860 | FLUID PRESSURE BOOSTER AND FLUID PRESSURE BRAKE APPARATUS HAVING THE SAME - A fluid pressure booster and a fluid pressure brake apparatus having the fluid pressure booster are provided. The fluid pressure booster includes an auxiliary fluid pressure source including a power-operated pump and a pressure accumulator, a pressure adjusting device which adjusts fluid pressure supplied from the auxiliary fluid pressure source to a value corresponding to an operating amount of a brake operation member by displacement of a spool valve and introduces the adjusted fluid pressure into a boost chamber, a boost piston which receives the fluid pressure introduced into the boost chamber to generate assist force and operates a master piston of a master cylinder by assisted force, and a damper chamber which communicates with one or both of the boost chamber and a pressure chamber of the master cylinder. | 10-04-2012 |
| 20120248861 | FLUID PRESSURE BOOSTER AND FLUID PRESSURE BRAKE APPARATUS HAVING THE SAME - A fluid pressure booster and a fluid pressure brake apparatus having the same are provided. The fluid pressure booster includes an auxiliary fluid pressure source having a pump and a pressure accumulator, a pressure adjusting device which adjusts fluid pressure supplied from the auxiliary fluid pressure source to a value corresponding to an operating amount of a brake operation member by displacement of a spool valve and introduces the same into a boost chamber, a boost piston which receives the fluid pressure introduced into the boost chamber to generate assist force and operates a master piston of a master cylinder by assisted force, and a displacement absorption member which is provided at a position to which thrust force of the master piston is applied, and which is compressed in an axial direction when transfer power between the boost piston and the master piston exceeds a setting value. | 10-04-2012 |
| 20120256478 | Hydraulic Vehicle Braking System - A hydraulic vehicle braking system having a primary braking cylinder to which the vehicle braking system is connected via a separating valve is disclosed. The vehicle breaking system includes slip control. A pedal path simulator is a spring-loaded hydraulic accumulator, which can be connected to the primary brake cylinder via a differential pressure controlled simulator valve. The simulator valve opens when a braking pressure in the vehicle braking system is greater than a primary braking cylinder pressure; otherwise, the simulator valve is closed. If the separating valve is closed during slip control, for example, the primary braking cylinder forces braking fluid through the opened simulator valve into the hydraulic accumulator upon actuation so that a normal pedal characteristic occurs at least approximately when the separating valve is closed. | 10-11-2012 |
| 20120313427 | VEHICLE BRAKE DEVICE AND VEHICLE BRAKE DEVICE CONTROL METHOD - In a BBW type brake device, if a slave cylinder becomes inoperable, when a master cylinder is operated for the first time, a master cut valve is opened to charge brake fluid into a reservoir of a hydraulic modulator, and since the brake fluid charged into the reservoir is increased in pressure by driving a hydraulic pump when the master cut valve is closed, wheel cylinders are operated. Since the amount of brake fluid on the downstream side relative to the master cut valve is increased by charging the reservoir with brake fluid, it is possible to increase the pressure of the brake fluid of the reservoir by driving the hydraulic pump and generate brake fluid pressure by a hydraulic modulator that is higher than the brake fluid pressure generated by the master cylinder, thereby generating sufficient braking force without increasing the depressing force applied to a brake pedal. | 12-13-2012 |
| 20120326493 | BRAKE FLUID PRESSURE CONTROL DEVICE - A brake fluid pressure control device includes: a electromagnetic control valve; a electromagnetic booster valve; a electromagnetic decompression valve; a pump, which are incorporated in a single housing; and an electronic control unit, wherein, the pump draws up at least one of brake fluid, which is supplied from the main reservoir, and brake fluid, which is discharged from the wheel cylinder, and then the pump returns the drawn brake fluid to an area that extends from the electromagnetic control valve of a main flow path up to the electromagnetic booster valve; and a fluid reservoir, which communicates with both the decompression path and an intake port of the pump, and which is arranged inside the housing so that the brake fluid in the fluid reservoir flows toward the intake port of the pump by gravity. | 12-27-2012 |
| 20130062933 | COMPACT ATTENUATOR FOR A VEHICLE BRAKING SYSTEM - An attenuator assembly is located in an attenuator chamber of a housing in a vehicle braking system and includes an orifice defining a fluid dampening flow path. The orifice has an outlet opening. A biasing member defines a closing member of the orifice. The size of the outlet opening changes continuously between a first open position and a second open position. | 03-14-2013 |
| 20130062934 | MECHANICAL ATTENUATOR FOR A VEHICLE BRAKING SYSTEM - An attenuator assembly for use in a vehicle braking system includes a rigid tube disposed within a bore of a hydraulic control unit (HCU) for reduced HCU package size. An attenuator is disposed in the rigid tube and includes a metallic biasing member. | 03-14-2013 |
| 20130088076 | Automotive Hydraulic Brake System - An automotive hydraulic brake system is provided which exhibits an excellent pressure reduction performance to a low μ road while restraining an intake resistance of a fluid pump. For providing the hydraulic brake system, a gate-in valve is connected to an intake passage that connects a master cylinder to an intake side of the fluid pump. The gate-in valve selectively opens and closes the intake passage in accordance with a mutual relation between a master cylinder pressure and a pressure produced at an intake side of the fluid pump. | 04-11-2013 |
| 20130093237 | Hydraulic Vehicle Brake System - A hydraulic vehicle brake system including a brake line for conducting a hydraulic pressure medium and a brake pressure sensor attached to a non-pressurized storage vessel. The brake wheel has a first pressure modulation valve on the inlet side and a second pressure modulation valve on the outlet side of a low-pressure accumulator. A pump is disposed on the return line upstream of the low-pressure accumulator for removing pressurizing medium from the low-pressure accumulator to regulate the brake pressure via the first pressure modulation valve and also via an isolation valve disposed in the brake line upstream of the first pressure modulation valve. An electromagnetically opening changeover valve is inserted in a pump suction line discharging into the return line between the brake pressure sensor and the low-pressure accumulator. The pressure acting on the brake pressure sensor can be fed to the low-pressure accumulator, bypassing the wheel brake. | 04-18-2013 |
| 20130169033 | METHOD FOR OPERATING A HYDRAULIC BRAKE SYSTEM OF A MOTOR VEHICLE AND A HYDRAULIC BRAKING SYSTEM - A method for operating a hydraulic brake system of a motor vehicle, comprising a pressure generating device used to build up additional brake pressure in a master brake cylinder or in addition to a master brake cylinder and in opposition to further pedal actuation wherein the additional pressure is a function of the pedal actuation travel distance. A method that reduces the limitations of a braking system's physical parameters on the build-up of additional braking pressure. | 07-04-2013 |
| 20130193748 | CHECK VALVE AND BRAKING SYSTEM USING THE SAME - In a check valve in which a valve part is disposed in a valve part accommodating recess movably relative to a piston part, among the valve part accommodating recess, an anti-valve seat side accommodation space formed between a surface of the valve part accommodating recess in an anti-valve seat side of the valve part and a wall surface of the valve part accommodating recess are communicated to exit side fluid passages. | 08-01-2013 |
| 20130221734 | BRAKE CONTROL DEVICE FOR VEHICLE - In the brake control device, a wheel-cylinder hydraulic pressure (Pw) obtained by adding the linear-valve pressure difference to a master-cylinder hydraulic pressure (Pm) is applied to the wheel cylinder while the vehicle is running. When an operation of a brake pedal is started while the vehicle is running (t | 08-29-2013 |
| 20130234501 | PISTON-CYLINDER DEVICE AND METHOD FOR CONDUCTING A HYDRAULIC FLUID UNDER PRESSURE TO AN ACTUATING DEVICE, ACTUATING DEVICE FOR A VEHICLE BRAKE SYSTEM, AND A METHOD FOR ACTUATING AN ACTUATING DEVICE - The invention relates to a piston-cylinder device for conducting a hydraulic fluid under pressure to an actuating arrangement, in particular a brake system, having at least one piston which delimits a pressure chamber, which is connected to the actuating arrangement via a hydraulic line. Provision is made according to the invention that the hydraulic fluid is conducted to the pressure chamber under pressure by means of an additional arrangement. | 09-12-2013 |
| 20130257141 | HYDRAULIC ANTILOCK BRAKE DEVICE - A hydraulic antilock brake device, comprises an oil tank filled with hydraulic oil, a pump electric motor group, a one-way valve, a piloted overflow valve, a manual two-position three-way valve, an adjustable throttling valve, an adjustable throttle valve, a high pressure oil inlet tube, and an oil return tube. the high pressure oil inlet tube and the oil return tube are communicated with a hydraulic controlled negative feedback two-position four-way valve, which is communicated with a brake cylinder connected with a friction sheet. Fast valve holes are provided at two ends of an inner chamber of said hydraulic controlled negative feedback two-position four-way valve, and fast valves are located in the fast valve holes. Two ends of an inner chamber of said braking cylinder are provided with feed-back grooves communicated with the fast valve holes by oil passage. The hydraulic antilock brake device can ensure the driving safety. | 10-03-2013 |
| 20130278048 | POWER-ASSISTED BRAKING SYSTEM FOR A VEHICLE AND METHOD FOR CONTROLLING THE POWER-ASSISTED BRAKING SYSTEM - A power-assisted braking system for a vehicle is described, including: a brake master cylinder having a chamber which is hydraulically connected to a wheel brake cylinder for braking a wheel of the vehicle; a hydraulic actuator which activates a piston of the brake master cylinder in order to pressurize the hydraulic fluid in the chamber; a low-pressure accumulator which stores the hydraulic fluid under pressure, and the actuator for activating the piston of the brake master cylinder; a pump which supplies the hydraulic fluid from the tank to the low-pressure accumulator; and a drive device which drives the pump. A method for controlling a power-assisted braking system is also described. | 10-24-2013 |
| 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 |
| 20130342005 | Method for Controlling a Wheel Brake Pressure in a Hydraulic Vehicle Braking System - A method for controlling the wheel brake pressures in wheel brake cylinders in a hydraulic vehicle braking system proposes to connect the wheel brake cylinders via wheel valves to a piston pump, the pistons of which are double-action pistons, and the two piston sides are connectable by means of pump valves. In order to increase the wheel brake pressure, the wheel valves are opened during a delivery stroke of the piston pump and the pump valves are closed, and the wheel valves are closed and the pump valves opened during a suction stroke. In order to reduce the wheel brake pressures, the valves are controlled in reverse. | 12-26-2013 |
| 20140001821 | Brake System for a Vehicle and Method for Operating a Brake System for a Vehicle | 01-02-2014 |
| 20140021777 | Fluidically Controlled Pressure Switching Valve for a Vehicle Brake System and Vehicle Brake System - The disclosure relates to a fluidically controlled pressure switching valve for a vehicle brake system including a valve chamber, which is arranged in a valve interior and into which an inlet opening and an outlet opening open, and a valve closing body, which is movable in the valve interior and which comprises a piston, defining a first piston surface and a second piston surface, and including a closing element. The valve closing body is movable in accordance with a pressure difference between a pressure acting on the first piston surface and a pressure acting on the second piston surface, against the force of a setting spring arranged in the valve interior, between a closed position, in which a fluid connection between the inlet opening and the outlet opening is interrupted, and an open position, in which the fluid connection between the inlet opening and the outlet opening is open. | 01-23-2014 |
| 20140117748 | ROTARY PUMP AND BRAKING SYSTEM HAVING THE SAME - A rotary pump has a linear groove formed on an end surface of a second side plate of an outer rotor. Thereby, it becomes possible to generate a force for pushing back the outer rotor to a sealing member side, and thus it becomes possible to reduce load applied to the second side plate. As a result, contact resistance between the outer rotor and the second side plate becomes smaller, and smoother pumping operation becomes possible. Further, since the force for pushing back the outer rotor to the first sealing member side is generated in the linear groove, it is possible to reduce an amount of decrease in a contacting area with the outer rotor and the second side plate, thereby reducing an amount of wear of the outer rotor and the second side plate. | 05-01-2014 |
| 20140152084 | ROTATING PUMP AND BRAKE SYSTEM USING SAME - A rotating pump includes an outer rotor and an inner rotor. The inner and outer rotors are rotated by a drive shaft between a first side plate and a second side plate to pump put fluid. The first side plate faces the inner and outer rotors and has a first surface and a second surface. The first surface is inclined to an axial direction of the drive shaft to create a wedge-shaped gap between itself and one of the inner and outer rotor. The second surface extends more parallel to a direction perpendicular to the axis direction of the drive shaft than the first surface does. The geometric configurations of the first and second surfaces serve to minimize the leakage of the brake fluid without sacrificing a reduction in resistance to sliding motion of the inner rotor and the outer rotor on the second side plate. | 06-05-2014 |
| 20140152085 | Brake System for Motor Vehicles. and Method for Operating the Brake System - A motor vehicle brake system actuated in brake-by-wire and fallback operating modes, having a brake master cylinder, brake circuits, a pressure medium storage vessel, a brake pedal, a separating valve for separating the brake circuit into a first section connected to the separating valve the master cylinder, and a second section connected to the separating valve and the wheel brakes. A first pressure provision device has a piston actuated by an actuator, a simulation device connected by a simulator release valve to the master cylinder for a pleasant brake pedal feel in the brake-by-wire operating mode. A first electronic control and regulating unit actuates the first pressure provision device, the separating valves and the simulator release valve. A second pressure provision device has a suction connector and a pressure connector per brake circuit being connected to the inlet of the separating valve. | 06-05-2014 |
| 20140159470 | Vehicle braking system having at least one hydraulic brake circuit - A vehicle braking system having a hydraulic brake circuit has a triggerable delivery pump and has an accumulator having an adjustable wall which is acted upon by a spring force in the flow path between an outlet valve of a wheel brake unit and the delivery pump. The adjustable wall is in an intermediate position in the unloaded starting condition. | 06-12-2014 |
| 20140159471 | VEHICLE BRAKE DEVICE AND ITS RESERVOIR - A vehicular braking apparatus including a shut-off valve for shutting off, as needed, a flow of oil from a wheel cylinder to a master cylinder; a pressure increase-decrease control valve increasing and decreasing a pressure in the wheel cylinder; a reservoir receiving and storing in a reservoir chamber the oil from the wheel cylinder when the pressure increase-decrease control valve is in a pressure decrease position; a pump sucking in and pressuring the oil from the reservoir chamber and supplying the oil to the wheel cylinder via the pressure increase-decrease control valve when the pressure increase-decrease control valve is in a pressure increase position; and a communication control valve controlling communication between the master cylinder and the reservoir chamber. The communication control valve is a normally-closed valve and is opened by a suction pressure of the pump. | 06-12-2014 |
| 20140159472 | VEHICLE BRAKE DEVICE AND ITS RESERVOIR - A vehicular braking apparatus including a shut-off valve for shutting off, as needed, a flow of oil from a wheel cylinder to a master cylinder; a pressure increase-decrease control valve increasing and decreasing a pressure in the wheel cylinder; a reservoir receiving and storing in a reservoir chamber the oil from the wheel cylinder when the pressure increase-decrease control valve is in a pressure decrease position; a pump sucking in and pressuring the oil from the reservoir chamber and supplying the oil to the wheel cylinder via the pressure increase-decrease control valve when the pressure increase-decrease control valve is in a pressure increase position; and a communication control valve controlling communication between the master cylinder and the reservoir chamber. The communication control valve is a normally-closed valve and is opened by a suction pressure of the pump. | 06-12-2014 |
| 20140167494 | VEHICLE BRAKING SYSTEM AND METHOD FOR CONTROLLING THE SAME - A vehicle braking system is provided that includes a brake pedal; a pedal simulator that generates reaction force corresponding to the brake pedal force and a pedal position sensor that detects a brake pedal operating state. A booster boosts brake pedal force and a master cylinder generates hydraulic pressure by activating the booster. A hydraulic controller is activated by the master cylinder and activates a wheel cylinder. A hydraulic power unit includes a cut valve controlling brake fluid supply between a reservoir and the pedal simulator, apply valves selectively supplying brake operating fluid to the booster and release valves selectively releasing the brake operating fluid from the booster. A switch unit selects reaction force modes and a controller operates the hydraulic power unit based on an output signal from the pedal position sensor, and adjusts the cut valve timing based on reaction force mode transmitted from the switch unit. | 06-19-2014 |
| 20140203626 | Brake System for Motor Vehicles and Method for Operating a Brake System - A brake system includes a hydraulic actuating unit, which can be actuated by way of a brake pedal, a travel simulator interacting with the hydraulic actuating unit, a pressure medium reservoir under atmospheric pressure assigned to the hydraulic actuating unit, a first electrically controllable pressure supply device, a second electrically controllable pressure supply device, an electronic control unit and an electronically controllable pressure modulation device for setting wheel-specific brake pressures. The brake system preferably operates in a “brake-by-wire” mode but can also operate in a fallback mode. The second electrically controllable pressure supply device can provide boost volume during braking in a fallback mode. | 07-24-2014 |
| 20140246897 | VEHICLE BRAKE DEVICE - A vehicle brake device includes a hydraulic pressure generating device, a valve device, a pump and an accumulation section forming an accumulation chamber connected to a fluid passage between the valve device and the hydraulic pressure generating device or to a master chamber. A dead band is set in which the change of force of the magnitude corresponding to the hydraulic pressure in the master chamber does not substantially act on a brake operating member. A characteristic representing the relation between the pressure and the brake fluid quantity in the accumulation chamber is set based on a characteristic representing the relation between the pressure and the brake fluid quantity in a wheel cylinder and the dead band so that, when brake fluid is flowing into and from the accumulation chamber, a force of the magnitude corresponding to the master chamber hydraulic pressure does not act on the brake operating member. | 09-04-2014 |
| 20140246898 | Hydraulically Actuated Regulating Valve for a Vehicle Brake System, and Associated Vehicle Brake System - A hydraulically actuated regulating valve for a vehicle brake system includes a first fluid port, a second fluid port, and a control chamber. A longitudinally movable plunger with a sealing geometry is loaded with a spring force and held in an initial position by a compression spring. A pressure built up in the control chamber acts counter to the compression spring and moves the plunger with the sealing geometry from the initial position into an end position. The sealing geometry interacts with a valve seat which is positioned in a valve body in order to limit an effective pressure at the second fluid port to a predefined maximum pressure value. A fluid connection between the first and second fluid port is completely opened up to a corresponding vehicle brake system in a first end position of the plunger and is completely closed in a second end position of the plunger. | 09-04-2014 |
| 20140292065 | BRAKE CONTROL SYSTEM AND METHOD FOR VEHICLE - A brake control system and method that include a master cylinder that transmits braking hydraulic pressure to a wheel and a hydraulic power unit that supplies hydraulic pressure to the master cylinder to produce the braking hydraulic pressure transmitted to the wheel. A push rod is operated according to a brake pedal operation and a push rod cylinder is formed for the push rod to perform reciprocal motion in the push rod cylinder. A reaction force producer supplies hydraulic pressure to the push rod cylinder to produce reaction force against the push rod operation. A solenoid within the reaction force producer is operated by electric power to produce the reaction force. A pedal stroke sensor detects a brake pedal stroke and a brake control unit connected to the hydraulic power unit, the reaction force producer, and the pedal stroke sensor, operates the hydraulic power unit and the reaction force producer. | 10-02-2014 |
| 20140327296 | BRAKE DEVICE - A brake device includes: a mechanical pressure regulating part having a high-pressure port, a low-pressure port, a pilot pressure input port, and an output port which outputs fluid pressure corresponding to the pressure supplied to the pilot pressure input port by fluid pressures supplied to both of the high- and low-pressure ports, to a chamber for a master piston; a high-pressure source connected to the high-pressure port and the pilot pressure input port; a low-pressure source connected to the low-pressure port and the pilot pressure input port; and an electrically-operated pilot pressure generating part which includes control valves for controlling flows of the brake fluid between the high-pressure source and the pilot pressure input port, and between the low-pressure source and the pilot pressure input port, respectively, and which outputs desired fluid pressure to the pilot pressure input port by controlling flow of the brake fluid with control valves. | 11-06-2014 |
| 20140333124 | INTEGRATED BRAKING SYSTEM - Disclosed is an integrated braking system including a hydraulic piston cylinder that is moved by a brake pedal, a pressure medium storage that is connected to the hydraulic piston cylinder, a pressure generating unit that is driven by a motor, and has two first and second hydraulic chambers that are divided by a piston within a housing, and a pressure control unit that transmits a pressure to a wheel unit from the hydraulic piston cylinder and the pressure generating unit. A hydraulic line connecting the first hydraulic chamber and the pressure medium storage is formed. | 11-13-2014 |
| 20140346852 | BRAKE SYSTEM AND METHOD OF OPERATING - A vehicle braking system includes a master cylinder coupled to a brake pedal and establishing fluid communication to wheel cylinder(s) of primary and secondary circuits via respective outputs. A pressure sensor detects actual, non-boosted demand pressure. Each circuit includes a motor-driven pump defining pressure and suction sides, inlet and outlet valves, a normally-closed isolation valve, and a normally-closed apply pressure control valve. A pedal feel simulator receives hydraulic fluid from the master cylinder when the isolation valves are closed. A controller receives a signal from the pressure sensor and generates corresponding control signals for the motor-driven pump and the apply pressure control valve of each circuit to pressurize the pressure side of each circuit equal to the sensed demand pressure plus a predetermined boost factor, and the actual pressure at each wheel cylinder is configured for individual manipulation by selective opening and closing of the inlet and outlet valves. | 11-27-2014 |
| 20140346853 | BRAKE FLUID PRESSURE CONTROL UNIT - A reservoir container has a reservoir, and a communicating passage that guides brake fluid to the reservoir. The reservoir of the reservoir container that accumulate the brake fluid is made to a hole extending in a transverse direction so that a size of the reservoir container in a height direction is made small while fully securing the capacity of the reservoir. Moreover, a horizontal plane projected area of the communicating passage is made smaller than that of the reservoir, so that a sealing part of the communicating passage is shortened, and ensures the seal integrity. | 11-27-2014 |
| 20140375113 | Brake Control Apparatus - A brake control apparatus includes a first pressure-applying section connected through a first oil passage to a wheel cylinder; a pump; a communication valve provided on a second oil passage which connects the first oil passage with the pump; a backflow passage connecting a suction side of the pump with a portion between the pump and the communication valve; a pressure-regulating valve provided on the backflow passage; and a control unit. The control unit attains a first state that causes the first pressure-applying section to apply hydraulic pressure to the wheel cylinder, and a second state that causes the pump to apply hydraulic pressure to the wheel cylinder by driving the pump and at least one of the communication valve and the pressure-regulating valve. The control unit actuates the at least one with a delay relative to an actuation of the pump, when switching to the second state. | 12-25-2014 |
| 20140375114 | METHOD FOR OPERATING A HYDRAULIC BRAKE SYSTEM - A method for operating a motor vehicle hydraulic braking system having at least one electric motor-operated braking pressure generator. The output power of the electric motor-operated braking pressure generator is restricted during normal driving/braking situations and the restriction is temporarily deactivated upon identification of a critical driving situation, such as an overstressing of the brake system to include brake fade. | 12-25-2014 |
| 20150015061 | BRAKING DEVICE FOR VEHICLE - In a braking device for a vehicle, an operating characteristics setting portion is provided for setting an operating characteristic which is a relationship between the input electric power to the electro-magnetic valve and a pressure difference between a master cylinder side and a wheel cylinder side with respect to the electro-magnetic valve, based on the input electric power at the time when the accumulator pressure detected by the accumulator pressure detecting portion first falls to a value equal to or less than a threshold value accumulator pressure by changing the input electric power towards an opening side of the electro-magnetic valve in response to a time lapsed after a predetermined value of the pilot pressure has been generated by the pilot pressure generating portion by first closing the electro-magnetic valve thereby to suppress the manufacturing cost. | 01-15-2015 |
| 20150028665 | ELECTROHYDRAULIC PRESSURE CONTROL DEVICE FOR VEHICLE BRAKE SYSTEMS - The invention relates to an electrohydraulic pressure control device for vehicle brake systems, including at least one electronic control unit, at least one hydraulic unit and at least one electric motor for driving a hydraulic pump, wherein the electronic control unit is mechanically connected to the hydraulic unit and is sealed off from the outer environment in at least one connection zone to the hydraulic unit by a circumferential, in particular elastic sealing material, and the sealing material extends along an edge of the substantially cuboid-shaped hydraulic unit, wherein the edge is formed by a face of the cuboid-shaped hydraulic unit facing the electronic control unit and at least one face of the cuboid-shaped hydraulic unit not facing the electronic control unit, and the sealing material at least partially covers both cuboid faces in the connection zone and/or sealing zone. | 01-29-2015 |
| 20150035351 | HYDRAULIC BRAKE SYSTEM - A hydraulic brake system for a vehicle in which a pressure of a working fluid supplied from a high-pressure-source device having a pump is adjusted by an electromagnetic pressure-increase linear valve and an electromagnetic pressure-decrease linear valve, and a brake device provided for a wheel generates a braking force whose magnitude depends on the pressure adjusted by the linear valves, the hydraulic brake system being configured to cope with fluid leakage in the pressure-increase linear valve that is beyond a set degree. | 02-05-2015 |
| 20150061361 | Brake Device - Provided is a brake device that can increase energy efficiency. The present invention is provided with: a master cylinder ( | 03-05-2015 |
| 20150061362 | BRAKE CONTROL APPARATUS - When a driving force of a drive motor ( | 03-05-2015 |
| 20150091369 | VEHICLE BRAKE DEVICE - A brake ECU uses a control pressure acquired from a control pressure sensor to determine whether a valve closing operation abnormality or a valve opening operation abnormality occurs in one of a pressure increasing linear control valve and an adjusted flow rate cut valve in a state where a hydraulic pressure is supplied from an accumulator. The brake ECU controls, if the brake ECU determines that an abnormality occurs, respectively the control valve and the cut valve to change to an open state or a closed state, and identifies, based on a change in the control pressure acquired from the control pressure sensor, in which of the control valve and the cut valve the valve opening operation abnormality or the valve closing operation abnormality occurs. The brake ECU can use, after a valve in which the valve opening operation abnormality or the valve closing operation abnormality occurs is identified, a valve in which the abnormality does not occur to carry out brake control. | 04-02-2015 |
| 20150097417 | HYDRAULIC ACCUMULATOR PRE-CHARGE PRESSURE DETECTION FOR HYDRAULIC BRAKING SYSTEM - A system and method for detecting a pre-charge pressure of a hydraulic braking system are disclosed. A controller receives pressure readings from a pressure sensor indicative of the pressure of a hydraulic brake accumulator or the lower pressure of more than one accumulator. In response to fluid being provided to the hydraulic accumulator, the controller determines a first rate of pressure change, a second rate of pressure change different than the first rate, and a transition pressure between the first and second rates. The controller determines an approximate pre-charge pressure of the hydraulic brake accumulator based on the transition pressure. A warning can be provided to the operator or another when the determined pre-charge pressure is lower than a reference pressure. | 04-09-2015 |
| 20150108829 | BRAKING DEVICE FOR VEHICLE - A master cylinder generates a master cylinder pressure in response to a stepping operation by a driver on a brake pedal. A power hydraulic pressure generation device includes a pressurizing pump and an accumulator, and a hydraulic pressure of a working fluid pressurized by the pressurizing pump is accumulated by the accumulator as an accumulator pressure. A pressure increasing mechanism communicates to the master cylinder and the accumulator, mechanically moves in response to the master cylinder pressure supplied from the master cylinder, and uses the accumulator pressure supplied from the accumulator to generate a servo pressure. A pressure increasing mechanism cut valve serving as a shut-off valve is a normally-closed electromagnetic on-off valve, and is provided on a high pressure supply passage for communication between the accumulator and the pressure increasing mechanism. The pressure increasing mechanism cut valve is controlled by a brake ECU to be in a closed state for shutting off the communication between the accumulator and the pressure increasing mechanism. | 04-23-2015 |
| 20150130265 | Solenoid Valve Having Hydraulic Damping Mechanism - A solenoid valve for fluid control of a vehicular hydraulic braking system includes an armature having a damping port. The damping port of the armature provides a turbulent fluid flow characteristic to fluid passing through the armature that creates a damping characteristic to attenuate noise and vibrational disturbances that is generally less sensitive to temperature and viscosity conditions of the fluid. | 05-14-2015 |
| 20150130266 | HYDRAULIC BRAKING DEVICE AND METHOD FOR CONTROLLING THE SAME - Disclosed herein is a hydraulic braking device including: a reservoir for storing hydraulic oil; a hydraulic pressure supply unit for sucking hydraulic oil from the reservoir and supplying braking pressure to a wheel cylinder; a main flow path for supplying the braking pressure of the hydraulic pressure supply unit to the wheel cylinder; a pressurizing valve for opening/closing the main flow path; a master cylinder for generating braking pressure; a sub flow path for supplying the braking pressure of the master cylinder to the main flow path; a shutoff valve for opening/closing the sub flow path; and a controller for detecting the pressure of the main flow path in a state where both of the shutoff valve and the pressurizing valve are closed, and determining that a leak occurred in the pressurizing valve when the detected pressure is higher than a preset value. | 05-14-2015 |
| 20150145322 | PRESSURE DAMPING DEVICE FOR BRAKE SYSTEM - Disclosed herein is a pressure damping device for a brake system which may reduce pressure pulsations generated by a piston pump. The pressure damping device is installed at a brake system having a hydraulic block provided with a first hydraulic circuit to control transfer of fluid pressures generated at a first port of a master cylinder and discharged from a first pump, and a second hydraulic circuit to control transfer of fluid pressures generated by a second port of the master cylinder and discharged from a second pump. The hydraulic block is provided with a bore connecting the master cylinder with a discharge outlet of each of the pumps and formed between main oil channels. The pressure damping device is provided in the bore, has a changeable volume, and includes a stopper member and a damping member. The damping member includes a ring-shaped elastic member and a plate. | 05-28-2015 |
| 20150291137 | BRAKING DEVICE FOR VEHICLE DESIGNED TO ACHIEVE SMOOTH DECELERATION - A brake device for a vehicle is equipped with an electric motor which drives a pump to deliver brake fluid to a wheel cylinder installed in a wheel of the vehicle. The brake device works to control pressure of the brake fluid in the wheel cylinder for creating a target braking force. In response to an increase in stroke of a brake pedal, the brake device elevates the pressure in the wheel cylinder gradually without sharply changing it. This eliminates deterioration of a driver's braking feeling arising from a variation in deceleration of the vehicle and ensures smooth deceleration of the vehicle intended by the driver of the vehicle. | 10-15-2015 |
| 20150291140 | BRAKE DEVICE - A brake device sets a discharge amount of brake fluid by a pump as a target discharge amount that can generate, in cooperation with control of a reaction force hydraulic pressure increasing valve and a reaction force hydraulic pressure reducing valve, a target reaction force hydraulic pressure which is a target value of a reaction force hydraulic pressure in a reaction force chamber, and that can generate, in cooperation with control of a driving hydraulic pressure increasing valve and a driving hydraulic pressure reducing valve, a driving hydraulic pressure in a driving hydraulic pressure chamber. The brake device also controls the pump such that brake fluid of the target discharge amount is discharged by the pump and controls the valves such that the target reaction force hydraulic pressure is generated in the reaction force chamber and the target driving hydraulic pressure is generated in the driving hydraulic pressure chamber. | 10-15-2015 |
| 20150291141 | VEHICLE BRAKE CONTROL DEVICE - A brake control device includes a front-wheel left-right communication passage that allows communication between wheel cylinders for a front-left wheel and a front-right wheel via a front-wheel communication on-off valve, and a rear-wheel left-right communication passage that allows communication between wheel cylinders for a rear-left wheel and a rear-right wheel via a rear-wheel communication on-off valve. The brake control device executes a hydraulic control by keeping the front-wheel communication on-off valve and the rear-wheel communication on-off valve opened. The front-wheel communication on-off valve is a normally closed type, and the rear-wheel communication on-off valve is a normally opened type. | 10-15-2015 |
| 20150298667 | METHOD FOR ACTUATING A HYDRAULIC BRAKING SYSTEM - In a method for actuating a hydraulic braking system, a hydraulic fluid is temporarily stored in a storage chamber when the antilocking system is activated. An additional hydraulic buffer volume of the storage chamber increases as the vehicle speed decreases. | 10-22-2015 |
| 20150298668 | method for actuating a hydraulic braking system - In a method for actuating a hydraulic braking system, a hydraulic fluid is temporarily stored in a storage chamber when the antilocking system is activated and recirculated back into the brake circuit with the aid of a recirculation pump. The target pump speed of the recirculation pump depends on the degree of filling of the storage chamber with hydraulic fluid and in addition on the control frequency of the antilocking system. | 10-22-2015 |
| 20150298671 | METHOD FOR CARRYING OUT A BRAKING PROCEDURE IN A VEHICLE - In a method for carrying out a braking procedure in a vehicle having a hydraulic brake system, when the brake temperature exceeds a boundary value hydraulic fluid is intermediately stored in a storage chamber, and when brake fading occurs the hydraulic fluid is pumped back into the brake circuit. | 10-22-2015 |
| 20150298674 | Pump Housing Arrangement of a Hydraulic Assembly of a Vehicle Brake System - A pump housing arrangement of a hydraulic assembly for a vehicle brake system includes a pump housing. At least one pump is arranged in the pump housing, and is configured to pump brake fluid for the vehicle brake system. A master brake cylinder for the vehicle brake system is also arranged in the pump housing. | 10-22-2015 |
| 20150307070 | BRAKE DEVICE AND METHOD FOR VEHICLE - A brake device for a vehicle may include: a master cylinder generating hydraulic pressure; a pedal pressurizing the master cylinder; a pair of diverging line parts connected to the master cylinder so as to supply hydraulic pressure; a front wheel line part connected to each of the diverging line parts so as to guide hydraulic pressure; a combined brake connected to the front wheel line part, and generating hydraulic pressure while braking a front wheel according to an electrical signal; a rear wheel line part connected to the front wheel line part so as to guide hydraulic pressure; and a hydraulic brake connected to the rear wheel line part, and braking a rear wheel using hydraulic pressure. | 10-29-2015 |
| 20150314764 | HYDRAULIC BRAKE SYSTEM - Disclosed is a hydraulic brake system comprising a master cylinder forming a braking hydraulic pressure according to an operation of a brake pedal, wheel brakes provided at a front wheel and a rear wheel, respectively, to provide a braking force by receiving the braking hydraulic pressure of the master cylinder, solenoid valves provided at an inlet side and an outlet side of each of the wheel brakes to control a flow of the braking hydraulic pressure, a low pressure accumulator temporarily storing oil discharged from the wheel brake during a pressure reducing braking in which the solenoid valve operates, a pump configured to compress oil stored in the low pressure accumulator such that the oil is discharged toward the wheel brake or the master cylinder according to a demand, and an orifice provided at an outlet side of the pump, wherein the orifice includes an outer case and an inner case provided to form a space between the outer case and the inner case while assembled to the outer case, a first oil passage passing through the inner case, and a second oil passage provided in the space between the outer case and the inner case, and the first oil passage and the second oil passage have lengths different from each other. | 11-05-2015 |
| 20150314765 | Brake Device - The present invention provides a brake device that can improve the pressure-increasing response of wheel cylinder hydraulic pressure. The invention is provided with: a master cylinder ( | 11-05-2015 |
| 20150314767 | VEHICLE BRAKE CONTROL DEVICE - A brake control device includes a pilot-type pressure-increasing device. A pilot unit of the pressure-increasing device is connected to a power hydraulic pressure generating device via a pilot input passage. A linear control valve that is also used for adjusting a hydraulic pressure of a wheel cylinder is provided on the pilot input passage. A brake ECU checks whether the pressure-increasing device is normally activated or not based on a hydraulic pressure outputted from the pressure-increasing device when the linear control valve is energized for an activation check. Thus, the brake ECU can perform the activation check of the pressure-increasing device without requiring a driver's operation on a brake pedal. | 11-05-2015 |
| 20150321653 | SWITCHOVER METHOD FOR A SOLENOID VALVE OPERATED IN ANALOGIZED FORM, ELECTROHYDRAULIC BRAKE SYSTEM, AND USE OF THE ELECTROHYDRAULIC BRAKE SYSTEM - A switchover method for a solenoid valve, operated in analogized form, in an electrohydraulic brake system, in which method the solenoid valve can assume a closed position, an open position and a multiplicity of intermediate positions in accordance with electrical actuation or regulation, and wherein the actuation or regulation is performed as a function of a known current-pressure characteristic curve of the solenoid valve. Upon a switchover of the solenoid valve, a pressure-dependent and/or current-dependent magnetic hysteresis characteristic of the solenoid valve is compensated directly without prior modification of the present hysteresis characteristic. An electrohydraulic brake system and the use of the brake system is also disclosed. | 11-12-2015 |
| 20150330468 | Braking system equipped with cooling means - The invention relates to a braking system ( | 11-19-2015 |
| 20150336552 | Hydraulic Braking System Having a Temporary Store - The invention relates to a hydraulic braking system for a land vehicle, having at least one wheel brake; a master brake cylinder, which is designed to displace hydraulic fluid into the at least one wheel brake upon actuation of the braking system by the driver; a pump, which is designed to displace hydraulic fluid into the at least one wheel brake; a plurality of valve arrangements; a control unit, which is designed to actuate the pump and the plurality of valve arrangements; and a temporary store, which is connected hydraulically to the at least one wheel brake and to an input of the pump. The temporary store comprises a restoring element and is designed to accommodate a hydraulic fluid reserve volume during a rest state of the braking system, and to make the accommodated hydraulic fluid reserve volume available to the pump for displacement into the at least one wheel brake during an actuation state. | 11-26-2015 |
| 20150353065 | VEHICULAR BRAKE HYDRAULIC PRESSURE CONTROL APPARATUS - Inlet and outlet ports are in the top part of a base; a reservoir is in the bottom part of the base; pumps are between the inlet port and the reservoir; a pressure booster valve, a depressurizing valve, a cut valve, and a caliper pressure sensor are along the center axis of each pump; the pressure booster valve is above the center axis; the depressurizing valve is below the center axis; the cut valve is between the pressure booster valve and the depressurizing valve and is nearer the middle of the base than the pressure booster valve and the depressurizing valve; and a suction valve is between the depressurizing valves aligned nearer the end of the base than a vertical reference line passing through the rotational center axes of the pumps. The suction valve communicates with cut valves, and a master pressure sensor is on the reference line. | 12-10-2015 |
| 20150360669 | HYDRAULIC UNIT FOR VEHICLE BRAKE APPARATUS - A hydraulic unit for a vehicle brake apparatus having a master cylinder and a wheel cylinder includes a housing formed with a pipe line connecting between the master cylinder and the wheel cylinder, a pump disposed in the housing for sucking and discharging a brake fluid to boost pressure of the brake fluid, and a reservoir piston disposed in a hole formed in the housing so as to be movable slidably back and forth, the reservoir piston partitioning a reservoir chamber within the hole for temporarily storing the brake fluid discharged from the wheel cylinder. The hydraulic unit further includes a cover disposed in the hole to close one end on an atmospheric side of the hole, the cover being formed with a fluid reservoir chamber for storing the brake fluid leaking from the pump. | 12-17-2015 |
| 20150367823 | BRAKING SYSTEM AND METHOD FOR DIMENSIONING A BRAKING SYSTEM - A method for dimensioning a component of a braking system; the braking system having at least two brake-circuit partial circuits; each brake-circuit partial circuit having at least one pump element for building up a brake-circuit pressure and/or for returning brake-circuit fluid in an ABS case, the pump elements of the at least two brake-circuit partial circuits being operable using a motor element; and the at least two brake-circuit partial circuits being separable using a separating element, so that different brake-circuit pressures may be created in the at least two brake-circuit partial circuits. | 12-24-2015 |
| 20150367826 | BRAKE UNIT FOR A VEHICLE AND VEHICLE WITH A BRAKE UNIT OF THIS TYPE - A brake unit for a vehicle, in particular a rail vehicle, includes an electrohydraulic setpoint value-force-conversion device having a container for providing hydraulic fluid, a brake cylinder connected to the container via a hydraulic line system and having brake pistons, and control devices suitably constructed so as, under the action of electric output signals of a setpoint-value-regulating device, to adjust an actual value, which acts upon the brake cylinder, of a hydraulic pressure in the brake cylinder. In a structurally advantageous manner, one of the control devices is a pump unit with which hydraulic fluid can be pumped out of the container into the brake cylinder and another of the control devices is suitably constructed to allow hydraulic fluid to flow out of the brake cylinder into the container. A vehicle with such a brake unit is also provided. | 12-24-2015 |
| 20150367827 | BRAKING SYSTEM FOR A WORK VEHICLE - A braking system for a work vehicle may generally include a hydraulically actuated brake, a tank containing hydraulic fluid and a brake valve fluidly connected between the tank and the hydraulically actuated brake. The brake valve may be movable between an on position and an off position for controlling a flow of the hydraulic fluid from the tank to the hydraulically actuated brake. The brake valve may include a first solenoid coil and a second solenoid coil, with each of the solenoid coils being configured to be independently energized and de-energized for moving the brake valve between the on and off positions. The system may also include a first control device electrically connected to the first solenoid coil for energizing and de-energizing the first solenoid coil and a separate second control device electrically connected to the second solenoid coil for energizing and de-energizing the second solenoid coil. | 12-24-2015 |
| 20150375724 | Hydraulic Brake System with Controlled Boost - A vehicle brake system includes a brake pedal unit (BPU) coupled to a vehicle brake pedal and including an input piston connected to operate a pedal simulator during a normal braking mode, and coupled to actuate a pair of output pistons during a manual push through mode. The output pistons are operable to generate brake actuating pressure at first and second outputs of the BPU. A hydraulic pressure source for supplying fluid at a controlled boost pressure is included. The system further includes a hydraulic control unit (HCU) adapted to be hydraulically connected to the BPU and the hydraulic pressure source, the HCU including a slip control valve arrangement, and a switching base brake valve arrangement for switching the brake system between the normal braking mode wherein boost pressure from the pressure source is supplied to first and second vehicle brakes, and the manual push through mode wherein brake actuating pressure from the BPU is supplied to the first and second vehicle brakes. | 12-31-2015 |
| 20160009267 | PEDALLESS ELECTRONICALLY CONTROLLED HYDRAULIC BRAKING SYSTEM WITH REDUNDANT PUMP | 01-14-2016 |
| 20160016567 | BRAKE DEVICE HAVING A TRAVEL SENSOR FOR INTEGRATED MOTOR VEHICLE BRAKE SYSTEMS - A braking device including a travel sensor, which consists of a movable travel indicator and a sensing device for detecting a displacement or position in an actuation direction, wherein the braking device is structurally combined as a compact unit including a housed electronic control unit, a hydraulic unit, and in particular a pump unit, wherein the sensing device is integrated on or in the housed electronic control unit and the sensing device is arranged directly or indirectly on a circuit board, wherein the circuit board is either a main circuit board of the electrohydraulic device or an additional auxiliary circuit board connected to the main circuit board electrically and in particular also mechanically. | 01-21-2016 |
| 20160016572 | Brake Control Device - Provided is a brake control device capable of preventing increases in device size and cost. A brake control device according to the present invention is arranged between a tandem master cylinder and wheel cylinders and equipped with primary and secondary brake circuit systems, only one of the brake circuit systems has not only a gate-out valve and a pump but also a brake circuit with a control valve. A master cylinder pressure in each fluid pressure chamber of the tandem master cylinder is adjusted by control of the gate-out valve, the pump and the control valve in accordance with driver's brake pedal operation. | 01-21-2016 |
| 20160039402 | HYDRAULIC BRAKING SYSTEM, AIR BLEEDING DEVICE, AND AIR BLEEDING METHOD - A hydraulic braking system includes: a master cylinder including: a pressurizing piston fluid-tightly and slidably fitted in a housing; a front pressure chamber located in front of the pressurizing piston and connected to a brake cylinder; and a rear chamber located behind the pressurizing piston; a rear-hydraulic-pressure control device connected to the rear chamber of the master cylinder and configured to supply control hydraulic pressure to the rear chamber; and an air bleeding device configured to perform air bleeding for an air bleeding target portion as at least a portion of the rear-hydraulic-pressure control device, in a state in which working fluid is prevented from being supplied to the rear chamber. | 02-11-2016 |
| 20160046270 | APPARATUS AND METHOD FOR CONTROLLING A HYDRAULIC BRAKE OF AN AIRCRAFT - An apparatus for controlling a hydraulically-actuated brake of an aircraft includes a brake control unit. The brake control unit is configured to receive a brake signal from an operator of the aircraft. A pump is in fluidic communication with a reservoir for holding hydraulic fluid and the brake for supplying the hydraulic fluid from the reservoir to the brake. An electric motor is in communication with the brake control unit and coupled to the pump to control pressure of the hydraulic fluid supplied by the pump in accordance with the brake signal. | 02-18-2016 |
| 20160053900 | PRESSURE REGULATOR AND HYDRAULIC BRAKE SYSTEM FOR VEHICLE EQUIPPED WITH THE SAME - A pressure regulator configured to regulate a working fluid by a pilot pressure, including: a spool valve mechanism having a spool; a biasing mechanism having a pilot-pressure chamber and a pilot piston, the biasing mechanism being configured to bias the spool toward the other end of the pressure regulator in its axial direction by a pressure of the working fluid in the pilot-pressure chamber; a counter biasing mechanism having a regulated-pressure chamber and a counter biasing piston, the counter biasing mechanism being configured to bias the spool toward one end of the pressure regulator in the axial direction by a pressure of the working fluid in the regulated-pressure chamber; and at least one of a first damping mechanism configured to damp a movement of the pilot piston and a second damping mechanism configured to damp a movement of the counter biasing piston. | 02-25-2016 |
| 20160053907 | PRESSURE REGULATOR AND HYDRAULIC BRAKE SYSTEM FOR VEHICLE EQUIPPED WITH THE SAME - A pressure regulator configured to regulate a pressure of a working fluid by two pilot pressures, including: a spool valve mechanism having a spool; a first biasing mechanism configured to bias the spool toward the other end of the pressure regulator in its axial direction by a first pilot pressure in a first-pilot-pressure chamber, a second biasing mechanism configured to bias the spool toward the other end of the pressure regulator by a second pilot pressure in a second-pilot-pressure chamber; and a counter biasing mechanism configured to bias the spool toward one end of the pressure regulator by a pressure of the working fluid in a regulated-pressure chamber, wherein the counter biasing mechanism has a counter biasing piston configured to push the spool toward the one end of the pressure regulator by the pressure of the working fluid in the regulated-pressure chamber applied to the counter biasing piston. | 02-25-2016 |
| 20160059836 | BRAKE DEVICE FOR VEHICLE - A brake device for a vehicle may include: a master cylinder generating hydraulic pressure using pressure applied to a pedal; a pedal simulator connected to the master cylinder and providing a pedal force to the pedal; a pair of diverging line parts connected to the master cylinder and receiving hydraulic pressure; a front wheel line part connected to the diverging line part and transferring hydraulic pressure to a front wheel part; a rear wheel line part connected to the front wheel line part and transferring hydraulic pressure to a rear wheel part; and an electric booster installed between the front wheel line part and the front wheel part, and providing hydraulic pressure. | 03-03-2016 |
| 20160075318 | BRAKE DEVICE FOR VEHICLE - A brake device for a vehicle may include: a master cylinder amplifying oil pressure; a pedal driving the master cylinder; an oil pressure guide part guiding the oil pressure generated from the master cylinder to a wheel cylinder; an electric motor pump supplying oil to the oil pressure guide part; and an auxiliary supply part supplying oil to the electric motor pump. | 03-17-2016 |
| 20160121865 | Hydraulic Device of a Vehicle Braking System - A hydraulic device of a vehicle braking system includes a storage reservoir configured to store brake fluid. The hydraulic device further includes a pump with a suction side configured to set a brake fluid pressure in at least one associated wheel brake. The hydraulic device also includes a line connection interposed between the storage reservoir and the suction side of the pump. In addition, the hydraulic device includes a high-pressure switching valve arranged in the line connection. The high-pressure switching valve is configured to possess an opening pressure of less than 1 bar. Further, the hydraulic device includes at least one brake circuit, and the at least one brake circuit includes the pump, the line connection, and the high-pressure switching valve. | 05-05-2016 |
| 20160152218 | METHOD FOR CONVEYING A METERED HYDRAULIC VOLUME IN A VEHICLE BRAKING SYSTEM BY MEANS OF AN ELECTRICALLY DRIVEN MOTOR PUMP ASSEMBLY AND VEHICLE BRAKING SYSTEM | 06-02-2016 |
| 20160152441 | HYDRAULIC BRAKE SYSTEM | 06-02-2016 |
| 20160176387 | Pressure Change Damper for a Hydraulic Vehicle Brake System with Brake Force Control, and Hydraulic Vehicle Brake System with Brake Force Control with such a Pressure Change Damper | 06-23-2016 |
| 20160185329 | ELECTRIC BRAKE DEVICE - An electric integrated brake device according to an embodiment of the present invention includes a master cylinder that generates a hydraulic pressure based on the operation of a pedal, a pedal simulator that provides a pedal stepping force to the pedal based on the hydraulic pressure, a motor that is driven based on the displacement of the pedal, a pump that applies a braking pressure to a wheel cylinder arranged at a wheel side of the vehicle based on the operation of the motor, a valve block that includes a plurality of solenoid valves for opening and closing the flow of oil moving among the master cylinder, the pedal simulator, the pump, and the wheel cylinder, and an ECU (electronic control unit) that controls the motor and the valve block, wherein the master cylinder, the pedal simulator, the motor, the pump, the valve block, and the ECU are integrated into a single structure. | 06-30-2016 |
| 20160185330 | INTEGRATED BRAKE DEVICE FOR VEHICLE - An integrated brake device for a vehicle according to an embodiment of the present invention includes a master cylinder that generates a hydraulic pressure based on the operation of a pedal, a pedal simulator that provides a pedal stepping force to the pedal based on the hydraulic pressure, a motor that is driven based on displacement of the pedal, a pump that applies a braking pressure to wheels of the vehicle based on the driving of the motor, and a gear unit that converts rotational power of the motor into a linear motion of a piston included in the pump, wherein a rotating shaft of the motor is parallel to a direction of the linear motion of the piston. | 06-30-2016 |
| 20170232947 | Electrohydraulic Assembly and Brake System | 08-17-2017 |
| 20180022333 | Hydraulic Brake System With Controlled Boost | 01-25-2018 |
