| Class / Patent application number | Description | Number of patent applications / Date published |
|---|
| 303119100 |
System controlled by solenoid valve
| 25 |
| 303115100 |
System controlled by expansible chamber type modulator
| 17 |
| 303113200 |
With traction control
| 17 |
| 303114100 |
Including hydraulic power booster
| 16 |
| 303116100 |
Including pump with system solenoid valve
| 14 |
| 303113400 |
Including a stroke sensor
| 7 |
| 303116400 |
System pump structure detail | 5 |
| 20080265665 | Brake System for Motor Vehicles - To allow boosting the actuating force even if the control electronics or the electric energy supply fails in a brake-by-wire system, a piston ( | 10-30-2008 |
| 20090184570 | DRIVE UNIT FOR HYDRAULIC PISTON PUMPS WITH AN ECCENTRIC ELEMENT OF A VEHICLE BRAKE SYSTEM - The present invention relates to a drive unit for driving at least one hydraulic piston pump, which has a piston, of a vehicle brake system, having a motor shaft which can be rotatably driven. An eccentric is attached to the motor shaft for converting the rotational movement of the driven motor shaft into a translatory movement of the piston. A bearing is attached to the eccentric. In order to avoid transverse forces which result from the eccentricity and which act on the pump piston which is to be driven, the drive unit is provided with an element which absorbs transverse forces. Through the element, the transverse forces which are transmitted by the eccentric which and act at right angles to the longitudinal axis of the piston are absorbed. The element is guided so as to be longitudinally moveable in the direction of the longitudinal axis of the piston and is arranged at least partially between the bearing and the piston. | 07-23-2009 |
| 20090295220 | Piston pump for a vehicle braking system - A piston pump for conveying a hydraulic fluid in a vehicle braking system is described. The piston pump comprises at least one chamber having an inlet and an outlet for the hydraulic fluid. A piston can be moved in a guided manner in the chamber in order to convey the hydraulic fluid along a conveying path from the inlet to the outlet, the piston co-operating with an activation mechanism. A fluidic control element is arranged in the conveying path between the inlet and the outlet. A sealing element is further received in the chamber in order to seal the chamber in a fluid-tight manner relative to the activation mechanism. The piston is constructed so as to be able to be moved relative to the sealing element. | 12-03-2009 |
| 20100060074 | ROTARY PUMP AND BRAKE DEVICE IN WHICH ROTARY PUMP IS PROVIDED - In an inner wall surface of a casing, grooves are formed that correspond to end faces of an outer rotor and an inner rotor, and seal members are disposed within the grooves, the seal members presses against the end faces of the outer rotor and the inner rotor. Inclined portions are provided in sealing portions of resin members of seal members, the sealing portions covering a closed portion. With this configuration, an internal pressure in the closed portion causes the inclined portions to separate from an outer rotor and an inner rotor when a brake fluid pressure within the closed portion increases to the point that the brake fluid is excessively compressed, releasing the brake fluid that is inside the closed portion. It is therefore possible to prevent the brake fluid pressure from increasing excessively within the closed portion. | 03-11-2010 |
| 20220135014 | HYDRAULIC UNIT - A hydraulic unit for a slip-controlled brake system, the simulator receiving hole of which is aligned transversely to a master cylinder hole in a receiving body of the hydraulic unit, thus enabling a section of the simulator to be received in a cap of a control unit. | 05-05-2022 |
| 303113500 |
With system apportioning control | 5 |
| 20090102279 | DUAL SEAL BRAKE CONTROL VALVE - A brake control valve includes a housing, a quick braking chamber and a piston subject to brake pipe pressure on one side of the piston. A bore in the housing connects the quick braking chamber at a first end and the one side of the piston at a second end. A first valve is in the housing at the first end of the bore. A first operator is in the bore for opening the first valve for a range of positions of the piston. The bore has a first portion of a first diameter and a second portion of a second diameter larger than the first diameter. The first bore portion connects the one side of the piston to the second bore portion. A first operator in the bore is connected to the piston. A seal on the first operator is dimensioned to form a seal with the first bore portion and not with the second bore portion. The seal is located on the operator to lie in the first bore portion for a first segment of the range of piston positions and to lie in the second bore portion for a second segment of the range of piston positions. | 04-23-2009 |
| 20090218881 | Fluid pressure control device - A brake force distribution control device which increases a brake force at an operation wheel so that a slip amount of the operation wheel becomes closer to a slip amount of a target wheel, wherein the slip amount of the target wheel is larger than the slip amount of the operation wheel. | 09-03-2009 |
| 20090315391 | BRAKE CONTROL DEVICE, AND BRAKE CONTROL METHOD - In a brake control device and a brake control method, when a shift to a brake mode for backup involving separation of a supply path of working fluid is performed at the time of detection of an abnormality during braking, a differential pressure acting between an outlet opening and an inlet opening of an open-close valve which is provided between a hydraulic pressure source that is used during the backup brake mode and wheel cylinders and which needs to be opened during the backup brake mode is lessened prior to the separation of the supply path of working fluid so that the open-close valve is opened in accordance with a valve-opening command. Therefore, at the time of switch of the control mode, the confinement of wheel cylinder pressure is avoided. | 12-24-2009 |
| 20100045098 | Devices and methods for hydraulic brake systems for land craft - Device and method for a hydraulic brake system of a land vehicle in order to block a brake circuit of the brake system with regard to a supply of brake pressure generated by a driver, to establish a hydraulic connection between the output side of a wheel brake and the input side of a controllable pump and to generate a predetermined brake pressure at the input side of the wheel brake by means of the pump. | 02-25-2010 |
| 20100084914 | Method for preventing drag in vehicular brake system - Systems and methods to prevent dragging of a fluid pressure type disk brake system are described herein. Brake fluid pressure generated by a master cylinder during a braking operation is transmitted to a wheel cylinder via a VSA system. The VSA system includes a low pressure accumulator and an out-valve disposed between the wheel cylinder and the low pressure accumulator. Temporarily opening the out-valve during a braking operation allows part of the brake fluid that would otherwise be supplied to the wheel cylinder to be supplied to the low pressure accumulator. After the braking operation by the driver is completed, brake fluid supplied to the wheel cylinder is returned to the master cylinder. Thus, a piston of the wheel cylinder is withdrawn by an extra amount corresponding to the amount of brake fluid supplied to the low pressure accumulator, thus reliably prevents disk pad dragging in the disk brake system. | 04-08-2010 |
| 303114300 |
Including pneumatic power booster | 3 |
| 20080238189 | System and method for vacuum booster assist - A system for vacuum booster assist including a vacuum booster having an input and an output, a brake pedal connected to the input of the vacuum booster, a brake pedal travel sensor positioned to monitor travel of the brake pedal, a master cylinder having an input and an output, the input of the master cylinder being connected to the output of the vacuum booster, a master cylinder pressure sensor connection to the master cylinder to monitor a fluid pressure in the master cylinder, a brake fluid pressurizing device in fluid communication with the output of the master cylinder, and a controller in communication with the brake pedal travel sensor, the master cylinder pressure sensor and the brake fluid pressurizing device, wherein the controller is adapted to communicate a command signal to the brake fluid pressurizing device based upon signals received from the brake pedal travel sensor and the master cylinder pressure sensor. | 10-02-2008 |
| 20090115245 | MOTOR VEHICLE RAPID BRAKING BRAKE BOOSTER - The invention relates to a brake booster with a short operating travel, in which the three-way valve comprises a mobile valve seat borne by a sleeve ( | 05-07-2009 |
| 20160096516 | METHOD AND SYSTEM FOR REDUCING VACUUM CONSUMPTION IN A VEHICLE - A system and method for conserving vacuum within a vehicle is described. In one example, vacuum is conserved via limiting volume expansion of a brake booster working chamber. | 04-07-2016 |
| 303117100 |
Spool valve | 2 |
| 20090250997 | Operating Apparatus - The operating apparatus ( | 10-08-2009 |
| 20100045100 | SEALING MEMBER FOR MASTER CYLINDER AND MASTER CYLINDER HAVING THE SAME - Disclosed herein are a sealing member for a master cylinder and a master cylinder having the same. The master cylinder is configured such that a communication hole of a piston is rapidly brought into communication with an oil path toward an oil tank upon release of braking. This may minimize meaningless retracting movement of the piston and delay in a braking release operation. The sealing member for the master cylinder includes an outer wing part to come into contact with the cylinder body, and an inner wing part to come into contact with the outer surface of the piston. The inner wing part includes a seal formed at a tip end thereof and at least one oil passage formed in a surface thereof opposite the outer surface of the piston | 02-25-2010 |
| 303118100 |
Pneumatic (relay or motorman) type | 1 |
| 20080211297 | Pneumatic Braking System for a Commercial Trailer - The system comprises
| 09-04-2008 |
| Entries |
| Document | Title | Date |
|---|
| 20080252139 | VALVE FOR ANTI-LOCK BRAKE SYSTEM - Disclosed is a valve for an anti-lock brake system, in which a sleeve sheet is assembled with a lower portion of a valve housing, so that the external shape and the structure of the valve are simplified. The valve includes a valve core; an armature positioned below the valve core and provided at an end thereof with a ball; a cylindrical sleeve coupled with outer peripheral surfaces of the valve core and the armature to guide an up/down movement of the armature; a first elastic member installed between the valve core and the armature; a valve housing coupled to one end of the cylindrical sleeve and formed therein with a hollow section that extends lengthwise along the valve housing; a valve seat press-fitted into the hollow section and formed with a first orifice which is open/closed by the ball; and a filter seat press-fitted into the valve housing and provided with an inlet and an outlet, which are positioned at a circumferential portion and a lower portion of the filter seat, respectively. | 10-16-2008 |
| 20090058181 | Hydraulic Brake Apparatus - A hydraulic brake apparatus includes a master cylinder pressurizing brake fluid in a pressure chamber and outputting a hydraulic pressure to a wheel cylinder of a first brake circuit, and a pressure control valve controlling a hydraulic pressure of an auxiliary hydraulic pressure source outputting the controlled hydraulic pressure to a wheel cylinder of a second brake circuit, wherein a master cylinder piston includes a first passage which hydraulically connects the pressure chamber and a reservoir, and a switching valve which closes and opens the first passage, and wherein a throttle means and a check valve, which allows the brake fluid to travel only from the reservoir to the pressure chamber, are hydraulically provided in parallel with each other at the first passage at a position between the switching valve and the reservoir. | 03-05-2009 |
| 20090072615 | APPARATUS FOR AND METHOD OF CONTROLLING BRAKES - An apparatus for controlling brakes, includes a first brake circuit for supplying brake fluid, pressure-increased by a booster, to a wheel-brake cylinder, a first control valve disposed in the first brake circuit for establishing and blocking fluid communication between a master cylinder and the wheel-brake cylinder, a second brake circuit arranged in parallel with the first brake circuit for supplying brake fluid, pressure-increased by a fluid-pressure source, to the wheel-brake cylinder, and a second control valve disposed in the second brake circuit for establishing and blocking fluid communication between the fluid-pressure source and the wheel-brake cylinder. Also provided is a control unit, which is configured to selectively control the first and second control valves when building-up wheel-cylinder pressure, and further configured to build-up the wheel-cylinder pressure by operating the fluid-pressure source when at least the second control valve is controlled to a valve-open position. | 03-19-2009 |
| 20090189439 | BRAKE HYDRAULIC PRESSURE CONTROL DEVICE - In a brake hydraulic pressure control device for a vehicle, a plurality of electromagnetic valves are mounted on a first surface of a housing, while an electric motor for driving pumps built in the housing are mounted on a second surface of the housing opposite to the first surface. A cover member for covering the electromagnetic valves is attached to the first surface, and a main ECU for controlling the electromagnetic valves and the electric motor is arranged in a space defined by the cover member and the first surface. One or more spaces are formed between the electric motor and the second surface to receive a plurality of pressure sensors for detecting hydraulic pressures at various parts in a hydraulic brake device of the vehicle. | 07-30-2009 |
| 20110204709 | Method for improving the braking performance of a vehicle - For improving the braking performance of a vehicle, the method is designed for brake systems that, for the wheel brakes of the front and real axle, each have a separate brake circuit each having a return pump, a plurality of the return pumps being driven by a common motor. In order to reduce the wheel standstill time of at least one wheel during an ABS control, it is provided at least partially to open a valve situated between the master brake cylinder and the inlet side of the return pump of the rear-axle brake circuit, so that the differential pressure present at the return pump of the rear-axle brake circuit becomes reduced. | 08-25-2011 |
| 20120043806 | Slip-Controlled Hydraulic Vehicle Brake System - A hydraulic vehicle brake system and method of operating same. The system includes an electrohydraulic wheel brake pressure modulation unit, a master brake cylinder ( | 02-23-2012 |
| 20120175942 | PRESSURE CONTROL VALVE ARRANGEMENT HAVING A PRESSURE MEDIUM CHANNEL OF OVAL CROSS-SECTION - A pressure control valve arrangement is described for controlling a fluid pressure in an ABS brake system of a vehicle such that, in the event of a tendency of individual wheels of the vehicle to lock, the brake pressure in at least one associated brake cylinder can be adaptively adjusted, including: a housing in which is formed at least one pressure-medium-conducting pressure medium duct and in which is provided a diversion of the flow of the pressure medium within the pressure medium duct from a portion of the pressure medium duct leading in one direction into a portion of the pressure medium duct leading in another direction, in which the pressure medium duct is produced together with the housing by primary forming, and in which the cross section of the pressure medium duct is oval and the major dimension of the oval cross section and the central axis of the pressure medium duct are arranged in a common plane, and the minor dimension of the oval cross section is perpendicular to the plane. | 07-12-2012 |
| 20120181852 | PRESSURE CONTROL VALVE ARRANGEMENT HAVING PRESSURE MEDIUM GUIDING SURFACE INTEGRALLY FORMED ONTO A PROJECTION OF THE COVER - A pressure control valve arrangement for controlling a fluid pressure in an ABS brake system of a vehicle so that, while there is a tendency of individual wheels of the vehicle to lock, the brake pressure in at least one associated brake cylinder can be adaptively adjusted, including: a housing; and at least one diaphragm valve is accommodated in the housing, the diaphragm valve having a diaphragm as the valve body, which diaphragm can be acted upon by introducing pressure medium into a control chamber that is covered on the outside of the housing by a cover so that the control chamber is formed between the diaphragm and the cover, wherein at least one pressure medium channel carrying pressure medium is formed in the housing in the region of the cover, wherein at least one cover has at least one projection projecting into the pressure medium channel in the housing, a pressure medium guiding surface for directing the flow of the pressure medium carried in the pressure medium channel being formed on the projection. | 07-19-2012 |
| 20120299369 | MAIN BRAKE DEVICE OF A VEHICLE HAVING TEST RUN FOR VALVES - A service brake device of a vehicle, including at least one ABS pressure control valve which is controlled for slip-regulated braking by an electronic control unit, has at least one inlet valve and one outlet valve and is arranged upstream of a pressure medium actuated brake cylinder, a pressure medium line which supplies the ABS pressure control valve with pressure medium and into which a pressure controlled by a valve device arranged upstream of the ABS pressure control valve is feedable, wherein the valve device feeds a pressure derived from a reservoir pressure of a pressure medium reservoir into the pressure medium line as a function of an activation by the electronic control unit. | 11-29-2012 |
| 20120326494 | BRAKING SYSTEM - A braking system for braking at least one wheel of a vehicle includes at least one brake actuator assigned to the wheel, a hydraulic modulator, at least one brake line path connecting the hydraulic modulator to the brake actuator, the brake line path having at least one electrically conductive brake line, a control unit for controlling and/or regulating the hydraulic system, a sensor assigned to the wheel and a signal line path technically connecting the control unit to the sensor for signal transmission. The brake line forms or participates in forming the signal line path. | 12-27-2012 |
| 20150360658 | Hydraulic Unit for a Slip Control System of a Hydraulic Vehicle Brake System - A hydraulic unit for a slip control system of a hydraulic vehicle brake system comprises a hydraulic block including a socket, a first port, a pressure change damper, and a second port. The socket has a base and defining a first interior. The first port is located at the base of the socket. The pressure change damper defines a second interior and is positioned in the socket in engagement with the first port. The first port is in fluidic communication with the second interior. The second port is in fluidic communication with the second interior via a portion of the first interior outside of the pressure change damper. | 12-17-2015 |
