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Assignee: AlliedSignal Europe Services Techniques


Location: Drancy, FR
No. of patents: 42

1    
NumberTitleIssue Date
5749445Disk brake with improved recoil
A disk brake for use in a vehicle. The disk brake has a caliper (1) which straddles a disk (2) and a carrier (3) which is fixed to a stationary member on the vehicle. A cylinder (4) secured to the caliper (1) has a bore (4a) which is closed by a piston (5...
05/12/1998
5711152Boosted braking device with simplified automatic control
This boosted braking device comprises a pneumatic brake booster (1) associated with a master cylinder (2) and provided with an automatic control solenoid valve (26), this booster operating according to a mixed reaction principle and comprising a movable p...
01/27/1998
5664475Pneumatic servo with silent operation
A pneumatic servo for assisting braking. The servo has a casing with an axis of symmetry which is divided in leaktight fashion by a movable wall structure into a front chamber and a rear chamber. The front chamber is permanently connected to a source of p...
09/09/1997
5662191Assembly comprising a friction pad, a spring and a wear indicator for a motor vehicle disc brake
The invention relates to an assembly comprising a friction pad (A), a spring (B) and a wear indicator (C) for a motor vehicle disc brake. The friction pad (A) includes a carrier plate (10) received with anchorage and sliding in a torque-withstanding membe...
09/02/1997
5657680Pneumatic brake booster with flexible valve
A pneumatic brake booster having a casing (10) with an axis of symmetry (X-X') divided in a leaktight fashion by a moving wall structure (12) into a front chamber (14) and a rear chamber (12). The front chamber (14) is permanently connected to a source of...
08/19/1997
5653514Automatically controlled boosted braking system with monitored reserve
An automatically controlled braking system comprising a pneumatic vacuum servo and a pneumatic solenoid valve capable of selectively connecting the serov to first or second sources of pressure. The solenoid valve includes a flap valve which is subjected t...
08/05/1997
5647645Solenoid valve for regulating hydraulic pressure and application to braking circuits
A proportional solenoid valve for regulating pressure of fluid supplied to a system. The solenoid valve has high-pressure inlet (1), a low-pressure inlet (2) and an outlet (3) through which fluid under controlled pressure is supplied to the system. The so...
07/15/1997
5634337Assembly of a pneumatic brake booster and of a master cylinder
An assembly of a pneumatic brake booster (100) and a master cylinder (200) for a motor vehicle. The pneumatic brake booster (100) has a casing (20) fixed to the bulkhead (10) of the vehicle. The casing is divided in leaktight fashion by a movable wall str...
06/03/1997
5630486Mechanical actuation device for drum brake
A drum brake including a carrier plate (10) on which there are slidably mounted first and second shoes (12, 14) capable of being brought into frictional engagement against an internal face of the drum (20) by a hydraulic actuation device (22). A variable-...
05/20/1997
5630350Pneumatic servo for boosted braking with silent operation
A pneumatic servo for assisting with braking. The servo has a casing with an axis of symmetry and is divided in a leaktight fashion by a movable wall structure into a front chamber which is permanently connected to a source of partial vacuum and a rear ch...
05/20/1997
5609227Brake application device with plates, balls and a centering cage
A brake-application device having first (8) and second (9) plates, one of which rotates. A plurality of guide cavities (80, 81, 90, 91) are formed in at least one plate (8,9). A corresponding plurality of balls (10, 11, 12) located in the guide cavities (...
03/11/1997
5609228Assembly of a friction member and of a spring for a disk-brake and disk-brake equipped with such an assembly
This invention relates to a vehicle disk-brake and spring (40) through which a friction member (10) is attached to a torque-withstanding member (24). A support plate (12) is received via its circumferential ends (16, 18), which is anchored, and slides on ...
03/11/1997
5597012Valve with a threshold with retractable push rod
A valve assembly having a body with a bore. The housing has an inlet for communicating pressurized fluid to the bore and an outlet for delivery of the fluid to a system. A piston located in the bore carries a valve element connected to a push rod. The pus...
01/28/1997
5593006Sliding caliper disk-brake
A disk brake having a caliper which slides on a stationary support formed by at least one axial guide pin for moving at least one friction pad against a rotating disk. A locking device which engages the stationary support to prevent the caliper from rotat...
01/14/1997
5588508Disk brake using a pulled pad with permanent bearing
A sliding-caliper disk brake in which the pads (3) have lugs (31,32) function by bearing on a first side of a carrier and in traction on a second side. The braking forces which are exerted on the pad (3) in a central zone (30) make the pad (3) rotate abou...
12/31/1996
5588346Pneumatic booster
A pneumatic brake booster having a casing (10) with a piston located therein. The piston has a hub (22,22') with a tubular part (24,24'), a portion of which extends in a sealed fashion through the casing (10). The hub (22,22') has an annular groove (29) w...
12/31/1996
5588463Module for controlling pressure in a hydraulic circuit
A module for controlling pressure in a hydraulic circuit, comprising at least one generator of pressurized fluid, at least one reservoir of low pressure fluid, and at least one pressure receiver. The module including a solenoid valve having an electric co...
12/31/1996
5588349Servo with enhanced safety
A pneumatic servo for brake boosting intended for motor vehicles. The servo having a rigid casing divided into at least two chambers by a flexible membrane. The casing being composed of at least first and second elements and having at least two tie rods f...
12/31/1996
5586623Reduced-bulk brake motor
A mechanical adjuster for locating a piston within a body of a brake motor. A variable length spacer is located between the piston and a mechanical actuator. The spacer includes an elongated nut and a screw. The elongated nut is rotationally blocked by a ...
12/24/1996
5579675Pneumatic booster
A pneumatic brake-booster having a casing with a piston located therein consisting of a hub and a skirt to define a front chamber and a rear chamber. The front chamber is connected permanently to a vacuum source and the rear chamber is connected selective...
12/03/1996
5572870Boosted brake device with concealed travel and guaranteed gain
A brake device having a pneumatic brake booster and a master cylinder. The master cylinder operates in response to a combined actuation force derived from a boost force and an input force. The input force is applied to a control rod for opening a valve to...
11/12/1996
5560276Movable wall for a pneumatic booster
A pneumatic booster having a casing (16) formed from a cylinder (32) and a cover (34). The casing (16) is divided into two chambers (18,20) by a movable wall (10). The movable wall. (20) has a plate (12) and a flexible membrane (14). A bead (30) on the ou...
10/01/1996
5558123Electrically controlled pressure-holding valve
A pressure-holding valve for a brake system having a body with a blind bore therein. The body has a first passage which connects the blind bore with a variable pressure inlet port and a pressure outlet port. The blind bore is closed by seals carried on a ...
09/24/1996
5553691Mechanically actuated drum brake
A drum brake having a support plate (10) with first and second shoes (12,14) slidably mounted thereon. Each of the shoes (12,14) having a web (12a,14a) and a rim (12b,14b) with a face for receiving a friction lining (16,18). Each web (12a,14a) has a first...
09/10/1996
5551537Disk brake using a pulled pad with sliding bearing
A sliding caliper disk brake having first and second pads with a body having first and second lateral ends. One of the first and second lateral ends tractionally engages by a yoke while the other lateral end bears against the yoke. The first and second la...
09/03/1996
5551317Pedal device for a motor vehicle, particularly for a brake system
The invention relates to a pedal for a motor vehicle, particularly a brake pedal. The pedal rod (50) is articulated on a pin borne by a yoke securely attached to the end of the control rod (56). According to one embodiment, the yoke and the pedal rod are ...
09/03/1996
5518031Proportional pneumatic solenoid valve
This three-way pneumatic solenoid valve comprises: a first inlet (1) connected to a first pressure source (A); a second inlet (2) connected to a second pressure source (D); an outlet (3) connected to a chamber at controlled pressure (C); a hollow body (4)...
05/21/1996
5515951Elastically returned sliding disk brake
A disk brake having a yoke having a caliper mounted on a carrier by a guide pin. A spring having a filiform structure with a first end connected to an arch of the caliper and a second end connected to the yoke. The first end of the spring engages the yoke...
05/14/1996
5487597Hydraulic circuit with a capacity forming a distributor
A hydraulic brake circuit is intended for a motor vehicle provided at least with an electrically pilot-controlled braking function, and including at least a master cylinder (1), an electric pump (2), first and second brake motors (3, 4), first and second ...
01/30/1996
5487453Thermal protection device
A thermal protection device includes a screen (1) and a support (2), the screen (1) for intercepting the radiation (3) from an intense heat source. The screen (1) is applied to the support (2) by elastic deformation and held thereon by exerting on a first...
01/30/1996
5487324Pneumatic booster
A vehicle comprises an engine compartment and a passenger space which are separated by an apron (76), and a pneumatic brake booster comprises a casing (10) formed of a front shell (10a) and a back shell (10b) inside which is located a piston (20) includin...
01/30/1996
5487271Brake-booster with hydraulic reaction and adjustable kick
This brake-booster device comprises a pneumatic brake-booster (1) associated with a master cylinder (2). The booster comprises a movable pneumatic piston (5) bearing a valve (7) and functions according to a hydraulic reaction principle, the hydraulic pist...
01/30/1996
5476032Brake-booster of the partial vaccum type
The invention relates to a removable thrust rod in a brake-booster of the partial vacuum type. The thrust rod (24) is attached securely to a skirt-shaped component (42) which surrounds the reaction disk (30) and to a component (44). A detachable component...
12/19/1995
5475978Booster brake device with concealed travel
This boosted brake device comprises a pneumatic brake booster (1) associated with a master cylinder (2), the booster operating according to a hydraulic reaction principle and comprising a movable pneumatic piston (5) carrying a control valve (7) actuated ...
12/19/1995
5454279Brake-booster device partial vacuum type for a vehicle fitted with direct braking control means
The invention covers a brake-booster of the partial vacuum type comprising a direct braking control mechanism (hill-holder or traction control). In order to implement these functions, the piston (20, 22) of the booster is "double" through a partition (52)...
10/03/1995
5454224Brake device with rigid mounting
The invention relates to a rigid mounting for a brake unit with pneumatic booster (2) the walls of which can be lightened. The booster comprises an internal reinforcement (9) in the shape of a hat with a rim, the bottom (9a) of which is attached to the ma...
10/03/1995
5451098Multislope compensator
The compensator comprises, in known manner, a body (1) in which are defined two pressure chambers (2, 3), a piston (4) carrying a valve (6) capable of bringing the chambers into communication with one another, a bearing mechanism (8, 81) and a reaction me...
09/19/1995
5437217Pneumatic booster
The invention relates to a motor vehicle pneumatic brake booster, comprising a casing (10) inside which a piston (20) formed from a rear tubular part (22) supporting a skirt (14) defines, with the aid of an unrolling membrane (12), a front chamber (16), p...
08/01/1995
5410943Pressure regulation device for hydraulic system
The invention relates to a pressure regulation device for a hydraulic system comprising at least one generator (30) of fluid under pressure, a brake actuator (28) and a reservoir (32) of fluid under low pressure, and including an electrovalve controlled b...
05/02/1995
5404791Pressure regulation device for a hydraulic system
The invention relates to a pressure regulation device for a hydraulic system comprising at least one generator (30) of fluid under pressure, a hydraulic actuator (28) and a reservoir (32) of fluid under low pressure, and including an electrovalve controll...
04/11/1995
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