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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...
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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 8 b of a...
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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...
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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 (...
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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 (...
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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 (VE 1 ) and second (VE 2 ) balancing valve elements, first (VA 1 ) and...
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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...
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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...
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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...
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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...
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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...
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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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7063002 |
Negative pressure type booster
In a negative pressure type booster, an atmospheric valve seat is formed on an annular disk of an input member, which disk extends radially outward. The annular disk and an annular diaphragm...
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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 ...
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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...
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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...
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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 )...
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6883415 |
Brake booster device
A brake booster device for use in a brake system of vehicles is provided with a partition member dividing the interior of the booster shell into front and rear chambers and a piston movable bodily...
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6871493 |
Braking device for a motor vehicle, comprising a vacuum pump
A braking device, particularly for a motor vehicle, comprising a master cylinder ( 10 ) associated with a pneumatic booster ( 12 ), and a vacuum pump ( 36 ) to create a vacuum in the vacuum chamber...
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6848352 |
Pneumatic brake booster with reduced noise levels
A pneumatic brake booster comprising an envelope formed of two shells ( 3, 5 ) defining an interior volume divided into two chambers by a skirt mounted so that it can slide with sealing. The skirt...
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6843163 |
Booster using a seal that also serves to set the position
A pneumatic brake booster comprising a rigid casing ( 10 ) locally shaped into a hollow shaft ( 3 ), a hub ( 5 ) slideably mounted in an opening ( 30 ) of the hollow shaft ( 3 ), an annular seal (...
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6843160 |
Negative pressure brake booster
A tubular member 18 is slidably fitted into a valve body, and is formed with a vacuum valve seat 21 . The tubular member 18 , a valve plunger 16 and the valve body 3 are maintained in their...
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6829976 |
Diaphragm for a brake booster
A brake booster ( 10 ) having a housing defined by joining a substantially circular first shell ( 12 ) to a second shell ( 14 ) to compress a first bead ( 100,200 ) on a diaphragm ( 102,202 )...
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6826999 |
Pneumatic booster
A pneumatic brake booster for a motor vehicle wherein movements of a control rod ( 38 ) determine the openings and closings of at least one axial intake valve ( 52 ) and at least one equalizing...
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6805037 |
Brake booster sensor
The present invention provides a single sensor, preferably of a capacitance type, that detects various conditions of a brake booster and the braking system. In one embodiment, the sensor is...
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6772674 |
Tie rod apparatus and method for assembling a vacuum booster
An apparatus and method are provided for adjusting the axial distance between the front and rear walls of a vacuum booster, from outside of the booster, after the booster has been assembled. The...
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6725760 |
Brake booster
A brake booster ( 12 ) having a housing ( 18 ) with an interior separated into a front chamber ( 26 ) and a rear chamber ( 28 ) by a wall ( 30 ) retained on a peripheral surface ( 106 ) of a...
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6711983 |
Vacuum brake booster with improved magnet-free emergency brake assistance system
A vacuum brake booster comprises a vacuum chamber and a working chamber which is separated in a pressure-tight manner from the latter by a mobile wall. In order to obtain a pressure difference at...
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