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7309112 |
Braking system having valve device for delivering pressurized fluid to brake cylinder selectively from at least two pressurizing chambers or only one of them
Braking system including a master cylinder having at least two pressurizing pistons partially defining at least two mutually isolated pressurizing chambers, and wherein a working fluid in each...
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7264318 |
Brake pressure control arrangement
In a method for joining at least two work pieces by friction stir welding wherein the work pieces are placed placed in overlapping relationship and are at least partially plasticized in the area...
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7104613 |
Pump with reciprocating high pressure seal and valve for vehicle braking systems
A pump assembly with a combination reciprocating high-pressure seal and fluid inlet check valve for use within brake systems. The pump assembly comprises a housing having a bore formed therethrough...
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7000997 |
Control unit for a wheel brake of a motor vehicle
An actuating unit ( 1 ) for a wheel brake ( 2 ) of a motor vehicle has a hydraulic pump ( 14 ) that can be driven at variable speeds by an electric motor ( 13 ). In addition, a cylinder-piston unit...
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6938965 |
Vehicle hydraulic braking system with an active simulator
A hydraulic braking apparatus for a motor vehicle having a service braking system (A) fed by a central hydraulic unit ( 3 ) and an emergency braking system (B). A simulator (M) resists a forward...
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6910745 |
Check valve with vibration prevention function
In a check valve of the present invention, when a pressure action direction of a fluid on a valve body is assumed to be X, a spring receiving surface that abuts with a seat surface that is at one...
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6860569 |
Electro-hydraulic brake system with four wheel push through
An improved electro-hydraulic brake system having an electrically powered normal source of pressurized hydraulic brake fluid, and a manually powered backup source of pressurized hydraulic brake...
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6851762 |
Vehicle brake fluid pressure control device with hydraulic booster
A hydraulic booster is provided between a M/C pressure and a W/C pressure. The hydraulic booster is composed of a pump and an amplifying piston amplifying the brake fluid amount discharged from the...
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6851760 |
Brake apparatus for a vehicle
A vehicle brake apparatus comprises brake operation detecting device for detecting an operation of a brake operating member, a fluid pressure type booster which boosts the operating force applied...
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6719377 |
Method and device for controlling a pump of a brake system
A method and device for driving a pump of a brake system, in which a pump motor achieves full drive for a particular time following a braking request from the brake system. During the subsequent...
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6688706 |
Hydraulic pressure control apparatus for a brake system of a vehicle
In order to improve precision and reliability of a hydraulic pressure control apparatus for a brake system of a vehicle, this invention provides a hydraulic pressure control apparatus for a brake...
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6672684 |
Vehicle brake system with a motor/pump unit
The motor/pump unit ( 10 ) comprises an electromotor ( 12 ) and at least one pump ( 14 ) for delivering brake fluid. The electromotor ( 12 ) has a motor stator ( 16 ) in which a motor rotor ( 18 )...
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6659568 |
Method and device for controlling a pump of a brake system
The present invention relates to a method and device for driving a brake system pump motor, which has the advantage of simultaneously allowing prioritized, individual braking strategies, using the...
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6623088 |
Vehicle brake boost assist control
A vehicle hydraulic braking system responds to detection of an operator intended high braking intensity event to isolate vehicle brakes from the master cylinder and activate a motor driven pump to...
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6604795 |
Braking system including high-pressure source between master cylinder and brake cylinder
A braking system including (a) a hydraulically operated brake cylinder for operating a brake, (b) a master cylinder operable according to an operation of a manually operable brake operating member,...
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6554375 |
Device for controlling brake pressure
The present invention relates to a brake pressure control device, more particularly, for anti-lock pressure control and for automatic brake intervention for the purpose of traction slip control...
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6546326 |
Method for estimating the pressure in a wheel brake cylinder and control unit for carrying out the method
A method for estimating the pressure, i.e., pressure stroke, in a wheel brake cylinder, in particular in connection with a vehicle stability control system for calculating an effective control...
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6464307 |
Automotive hydraulic pressure brake system
Automotive hydraulic pressure brake system with a stroke simulator is proposed which while the electric control system is functioning properly, the supply of hydraulic pressure from a master...
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6409286 |
Method and braking system for regulating the driving stability of a motor vehicle
The present invention relates to a method of improving the control , behavior of an electronically regulated and/or controlled driving stability control system, wherein input quantities for the...
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6402265 |
Method and device for compensating for the accumulator pressure in an electrohydraulic braking system
A method and a device for compensating for an accumulator pressure in an electrohydraulic braking system of a motor vehicle, in which a valve arrangement controls an input of a hydraulic fluid from...
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6402264 |
Hydraulic wheel brake system
A hydraulic wheel brake system including a plurality of brakes and a hydraulic brake controller. The brakes includes wheel cylinders corresponding respectively to each wheel. The hydraulic brake...
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6386647 |
Hydraulic brake apparatus for a vehicle
The present invention is directed to a hydraulic brake apparatus, which includes wheel brake cylinders, and a master cylinder for advancing a master piston in response to operation of a brake...
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6378958 |
Fluid control valve and braking system incorporating such a valve
A fluid flow valve having a body ( 11 ) with first, second and third fluid inlets ( 8, 18, 25 ), a working fluid outlet ( 4 ), a first pressure element ( 11 ) movable, under the influence of pilot...
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6364431 |
Electromagnetic valve and hydraulic circuit
An electromagnetic valve has a plunger as an armature of an electromagnetic actuator and a ball as a movable valve member. The plunger and the ball are separated to permit the ball to move freely...
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6356821 |
Electronic control unit for vehicle having reduced circuit scale
An electronic control unit for a vehicle which receives a sensor signal as an input signal and provides an output signal for controlling operation of the vehicle. The electronic control unit...
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6349995 |
Brake control system for a vehicle
The present invention is directed to a brake control system for a vehicle, which includes a cut-off valve for opening or closing a main passage, which communicates a master cylinder with a wheel...
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6339738 |
Method for the control of a hydraulic pump in a regulated braking system
In a method for the adaptive control of the hydraulic pump of a brake system containing low pressure accumulator (NDS 1,2 ) which take up the pressure fluid discharged in the case of control from...
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6322164 |
Braking device
The pump is connected on its delivery side through an auxiliary passage to a primary passage connecting the master cylinder and brake cylinder to each other, and a pressure control valve is...
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6322163 |
Hydraulic vehicle brake system with antilock device
An inexpensive hydraulic brake system for a vehicle including an antilock device, by means of which brake pressures in front wheel brakes and rear wheel brakes of a four-wheeled vehicle that are...
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6315371 |
Brake system
In a brake system, a controller closes solenoid shut-off valves to shut off a communication between a master cylinder and wheel cylinders by pressing a brake pedal, and at the same time, drives a...
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6312062 |
Brake fluid pressure control device
A brake fluid pressure control device including a power pump provided in a fluid supply line for discharging fluid into the main fluid line. An on-off valve is provided in the main fluid line...
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6302498 |
Pressure-adjusting reservoir for ABS and vehicle brake device using the same
A pressure-adjusting reservoir which can reduce an unstable movement of a ball valve therein to release a pulse of brake fluid. The pressure-adjusting reservoir has a pressure-adjusting valve...
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6299260 |
Method and device for controlling a pump in a brake system
A method of controlling a pump in a brake system of a motor vehicle, in particular an electrohydraulic brake system, is described, where the pump can be controlled by a pump motor either uncycled...
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6290307 |
Brake System
A braking system (10) with a master cylinder (12) which comprises at least one cylinder/piston arrangement (14, 16) which can be actuated by a brake pedal (18) for supplying hydraulic fluid to at...
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6290306 |
Hydraulic brake system for a vehicle
A hydraulic brake system for a vehicle for braking the vehicle by brake pedal actuation and/or automatic braking. A pump is provided which has a suction connection that communicates with a supply...
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6231131 |
Hydraulic brake system with anti-skid control
A system for retrofitting a four-valve ABS system for traction slip control. According to the present invention, only the wheel brakes associated with the driven wheels are furnished with outlet...
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6206484 |
Brake system having a pilot-operated boost valve
A vehicle brake system having a wheel brake and first and second conduits in fluid communication with the wheel brake. A master cylinder having an outlet is in fluid communication with the first...
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6203117 |
Compensator assembly in a hydraulic control unit for vehicular brake systems
A hydraulic control unit of an electronically-controlled vehicular brake system includes a housing having a bore. The bore is in fluid communication with a first fluid passage leading to an outlet...
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6199959 |
Securing device for hydraulic assembly
The present invention relates to a hydraulic assembly, which includes a housing and at least one cover closing the housing, wherein a retaining device is mounted on the cover for attachment of the...
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6196642 |
Four-piston brake fluid pressure controller with diaphragm
A brake fluid pressure controller of a brake having a master cylinder and wheel cylinders includes a control valve having a pilot piston, wherein pressure generated in the master cylinder acts on...
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6193331 |
Vehicular brake system for performing effective brake operations
A first fluid line couples first and second wheel cylinders. A second fluid line couples third and fourth wheel cylinders. A first pressure increasing unit increases pressure applied to the first...
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6186602 |
Hydraulic vehicle braking system
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6179393 |
Distributing valve for load-independent control of a hydraulic consumer with regards to direction and speed
The invention relates to distributing valve for load-independent control of a hydraulic consumer with regard to direction and speed. Similar distributing valves known per se have a control valve...
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6179389 |
Pump system for generating a brake pressure
A system generates a brake pressure with a pump which delivers a volume into the chamber of a master brake cylinder and builds up a pressure which is used by at least one additional assembly,...
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6168245 |
Hydraulic brake system for motor vehicles
The brake system has at least one brake circuit (I), in which a high-pressure pump is disposed. A self-aspirating charge pump is also provided, which is connected at least indirectly to the intake...
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6158825 |
Process and device for controlling a pump in an electro-hydraulic brake system
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6116702 |
Device for controlling pressure of brake fluid
A device for controlling pressure of brake fluid having an anti-lock control device arranged in a pipe communicating a master cylinder with a wheel cylinder, comprising: a passage shut-off device...
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6102493 |
Apparatus and method of operation for a vehicle anti-lock brake system
An antilock system for a motor vehicle braking system which includes a master cylinder which is connected with a brake fluid reservoir and which can be activated by a brake pedal in order to...
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6099087 |
Hydraulic braking systems for vehicles
In a braking system in which brake application is controlled electronically by the use of electrically controlled actuators (5, 6), a pedal-operated hydrostatic master cylinder (31) is connected to...
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6092878 |
Device for presuming accumulator pressure operative with pressure switches
In a device for presuming pressure of a pressure accumulator prepared for accumulating a fluid under a compression of an elastic pressurization medium to selectively supply the fluid therefrom at a...
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