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8053690 |
Automotive brake light switch
An automotive brake light switch mounted on a brake booster includes a housing defining a constant pressure chamber and a variable pressure chamber partitioned by a diaphragm, with a first...
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8050836 |
Method and system for determining initiation of a panic braking maneuver
A method for determining whether a panic braking maneuver has been initiated in a vehicle with a brake pedal includes the steps of receiving brake pedal travel data, receiving brake pedal force...
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8029073 |
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 (54). The movement of this sleeve is controlled...
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8010269 |
Brake apparatus
Brake apparatus includes a transmission unit for operatively connecting a brake pedal to a master cylinder, and the transmission unit is a mechanism capable of varying a ratio between an output...
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7950320 |
Brake booster for motor vehicles
Disclosed is a brake booster for motor vehicles, the control valve (12) of which is operable, irrespective of an actuating rod (7) that displaces a valve piston (9), via an electromagnet (20),...
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7921763 |
Braking control system comprising a force-control simulator
The invention relates to a brake control system for motor vehicles comprising a brake pedal (1), a brake booster (4), a brake master cylinder (5). The system of the invention further comprises a...
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7856918 |
Pneumatic brake booster comprising a force sensor
A pneumatic brake booster 1 comprising: a sealed structure 3 comprising a rigid casing 11 forming a funnel 19 furnished with an opening and a movable wall 13 dividing the sealed structure 3 into a...
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7765913 |
Pneumatic brake booster comprising a nonreturn valve for discharging an internal overpressure
This invention relates to a brake booster (201) having an axis (X), comprising an enclosure divided into a front chamber (210) and a rear chamber (208) by a skirt (209) fastened to a piston (205)...
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7694623 |
Tandem pneumatic brake booster
The invention relates to a tandem pneumatic brake booster (1) for a vehicle. The objective is to prevent a blocking of a booster thrust rod (4) in the maximum travel position. The blocking appears...
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7685926 |
Negative pressure booster
In a negative pressure booster (1) of the present invention, at the time of performing a usual braking operation in a low deceleration region, a force attributed to the pressure difference between...
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7677153 |
Booster and brake control device fitted with this booster
A device including a master cylinder driven by a control member, an enclosure for a pneumatic booster having a rear chamber separated from a front chamber by a piston, first and second balancing...
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7673554 |
Tie rod-type booster comprising a reinforced sealing ring
Pneumatic brake booster (10) for a motor vehicle, comprising a moving internal partition (14) provided with a cup (38) covered by a sealing diaphragm (42) connected to the inner periphery of the...
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7472968 |
Vacuum type brake booster
In a vacuum type brake booster, the reaction of output transmitted from an output shaft to a reaction member is transmitted to a valve body, a plunger, and a stepped pin. A valve mechanism, which...
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7448308 |
Vacuum type booster device
A valve piston 8 of a vacuum type booster device is provided with a bypass passage 51 which is defined between a sound-absorbing member 27 and an input rod 23 to communicate directly with the...
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7370571 |
Negative pressure type booster device
In a negative pressure type booster device, secondary passages 53 communicating directly with the atmosphere is formed between the internal surface of a sliding cylindrical portion 8b of a valve...
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7334512 |
Vacuum type booster device
In a vacuum type booster device, when the advance of an input member causes an atmosphere valve seat to be separated from an atmosphere valve to advance a power piston, the position of a vacuum...
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7322269 |
Housing module for a brake booster
The present device relates to a housing module 1 for a brake booster. The housing module has a housing shell 3 that accommodates a movable wall 4. The movable wall subdivides an interior space of...
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7318370 |
Tie rod for booster and booster comprising such a tie rod
A tie rod (40) for mounting a booster and the brake control master cylinder on a bulkhead (3) of the vehicle engine compartment. The tie rod (4) comprises, at each of its ends, a shoulder (43, 44)...
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7302882 |
Jump force vacuum booster
The invention provides a method and apparatus wherein the apparatus includes a housing having a first end and a second end. The housing also includes a first aperture and a second aperture. The...
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7267040 |
Booster with reduced dead travel and a braking system comprising such a booster
A pneumatic brake booster with short actuating travel, comprising a skirt and a pneumatic piston that are rigidly connected and slideably mounted in a sealed casing to delimit a low-pressure...
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7255036 |
Pneumatic servomotor comprising a diaphragm and/or a joint which is overmoulded onto the skirt
A pneumatic servomotor (12) for an assisted braking having a rigid axial casing (16) with a movable substantially truncated-cone shaped transverse skirt (18) that is integral with a piston (20) for...
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7240602 |
Brake control device
A device comprised a master cylinder driven by a control member (20), a pneumatic booster (14), a piston (22), first (VE1) and second (VE2) balancing valve elements, first (VA1) and second (VA2)...
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7234384 |
Pneumatic booster with shifted valve seats
A pneumatic brake booster (10) for a motor vehicle comprising a casing (12) within a moving partition (14) is secured to a moving piston (12) having an inlet valve (52) and a re-equalizing valve...
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7216577 |
Vacuum booster with low force loss
A vacuum booster includes a housing defining a control volume in which a movable diaphragm separates the control volume into an apply chamber and a vacuum chamber. A power piston extends through...
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7213499 |
Spacer for a boost unit
A spacer secured to a dash panel offsets a boost unit of a brake system into an engine compartment. The spacer has a cylindrical body with a u-shaped space through which air from the engine...
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7201456 |
Pneumatic brake booster
A pneumatic brake booster for a motor vehicle, comprising a piston (22) mounted between a control rod (24) actuated by a brake pedal and a push rod (34) actuating a piston of a brake master...
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7194946 |
Pneumatic servomotor for power-assisted braking, the servomotor having a crimped diaphragm
A pneumatic servomotor (12) for power-assisted braking for a motor vehicle, which servomotor is of the type having a substantially cylindrical rigid casing (16) inside which a moving transverse...
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7134377 |
Vacuum brake booster
A vacuum brake booster having a vacuum chamber and a working chamber, which are separated from one another by a movable wall, and a control valve is described. The control valve has a control valve...
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7104179 |
Braking device, and method of manufacture
A braking device and a method of manufacture of such a braking device. The braking device has a booster (1) formed of a cover (12) and of a cylinder (10). A central orifice (8) is formed on the...
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7086320 |
Brake booster with emergency brake assist function
A brake booster, in particular for motor vehicles, having a control valve for controlling the boosting force generated by the brake booster. The control valve comprises a control valve housing, an...
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7082870 |
Arrangement for the bayonet-fixing and locking of a brake booster
An arrangement (10) for the fixing of an axially oriented (A) brake booster (12) on a dashboard (14) of an automobile wherein a rear face (16) of the booster (12) is fixed on a front face (18) of...
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7082869 |
Sensor arrangement for a vacuum brake booster and a vacuum brake booster provided with this sensor arrangement
The invention relates to a sensor arrangement (10) for a vacuum brake booster with a brake booster housing comprising at least one vacuum chamber and at least one working chamber that is separated...
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7077051 |
Self-boosting pneumatic booster using a pivoting key
A pneumatic booster operated by a plunger (9) housed in a bore (61) and bearing on a moving seat (102) which co-operates selectively with a shut-off member (111). The shut-off member (111) is...
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7066073 |
Vacuum brake booster for motor vehicles
In order to minimize the vacuum-dependent force component acting upon the valve body of a vacuum brake booster that is equipped with a pneumatically pressure-compensated control valve without...
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7063001 |
Brake servo-unit comprising a floating element bearing offset valve seats
A pneumatic servomotor for power-assisted braking for a motor vehicle having a control rod (38) for opening and closing at least one axial inlet valve (52) that is interposed between a front...
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7040717 |
Negative pressure boosting device
In a negative pressure boosting device of the present invention, upon depression of a pedal at a normal speed, an input shaft 11 and a valve plunger 10 move forward to close a vacuum valve 15 and...
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7040217 |
Tie rod for a brake booster
A first and second tie rods locating between a front shell and a rear shell of a brake booster through which a master cylinder is connected to a support member. Each of the first and second tie...
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7032498 |
Vacuum brake booster
A braking amplifier for a vehicle having a vacuum chamber (10), a working chamber (12) separated by a housing (14), a shutter (30) and an intermediate chamber (64). The intermediate chamber (64) is...
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7021724 |
Vacuum booster
In a vacuum booster in which a reaction force mechanism is interposed between an input rod and a valve cylinder connected integrally with a booster piston, and an output rod, a valve piston is...
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7004059 |
Hydraulic master cylinder switch
A switch adapted to be positioned on the pushrod of a hydraulic cylinder assembly and including a housing adapted to be positioned against an end of the hydraulic cylinder assembly and including a...
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6959637 |
Vacuum brake booster
A control valve for a brake booster having a first member with a first bore, a second member located in the first bore and having a second bore, a plunger located in the second bore and connected...
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6955044 |
Reaction arrangement for brake booster
A reaction arrangement for a brake booster having a control valve selectively activated by a manual input force or an electromagnetic force to allow air to create a pressure differential with...
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6948416 |
Method for determining a brake booster amplification
The invention relates to a process and a device for determining the instantaneous value of the amplification provided by a pneumatic-assistance servomotor (14) in a braking device for a motor...
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6928918 |
Pneumatic brake booster comprising improved sealing means
A pneumatic brake booster comprising an envelope of longitudinal axis formed of a dish having a rim and a lid. The envelope defines an interior volume that is divided into a variable-pressure work...
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6928917 |
Control valve
A valve arrangement for controlling the flow of pressurized fluid between a working chamber and an outlet chamber that passes between a seal and a seat surrounding an orifice to the outlet chamber....
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6920818 |
Dual tandem power piston-attachment concept
A vehicle braking system vacuum booster tandem power piston connection design such that the primary piston and the secondary piston are positioned together forming the tandem power piston. A...
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6918249 |
Pneumatic brake booster for use in a brake system
A brake booster comprising an envelope (2) having a longitudinal axis (X) formed of a first (4) and of a second (6) shell to define an interior volume divided by moving a skirt into a low-pressure...
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6912946 |
System and method for improved controlled airflow within a vacuum booster system
The present invention includes a system for providing an improved controlled airflow within a vacuum booster system. The system includes a vacuum booster assembly having a primary chamber and a...
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6907731 |
Master cylinder apparatus
A master cylinder apparatus is provided with a master cylinder and a booster. The booster comprises a booster shell whose interior is divided into a variable and constant pressure chambers. The...
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6899011 |
Pneumatic booster comprising tubular intake and equalizing valves
A pneumatic brake booster for a motor vehicle, of the type in which the movements of a control rod (38) are able to determine the openings and closings of at least one axial intake valve (52) which...
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