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Inventor: Juan Belart


Address: Walldorf, DE
No. of patents: 77
Last patent issue date: 02/20/1990

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NumberTitleIssue Date
4902077Hydraulic brake system
A hydraulic brake system with slip control wherein at least one wheel brake (11) of an automotive vehicle is connected to a master cylinder (1). A normally opened inlet valve (8) which is adapted to be switched into a closed position is inserted in the co...
02/20/1990
4831826Hydraulic brake system
A hydraulic motor vehicle brake system with a master cylinder (61) and a hydraulic power booster (24) connected upstream of the master cylinder (61), in which a pressure medium pump (1) which may be driven by an electric motor is used for providing an aux...
05/23/1989
4819433Hydraulic brake system
The hydraulic brake system having at least one wheel brake is adapted to be pressurized by a master brake cylinder actuated by a hydraulic power booster. An auxiliary pressure is adjustable in a pressure chamber of the hydraulic power booster by means of ...
04/11/1989
4807942Hydraulic brake system with slip control
The hydraulic brake system with slip control comprises two master cylinder pistons for the operation of the vehicular brakes and in which hydraulic medium tapped from the wheel brake during slip control is returned to the wheel brakes from an auxiliary pr...
02/28/1989
4753490Brake system for motor vehicles
A brake system comprising a hydraulic braking pressure generator (1) to which are connected the brake wheels (6-9); an auxiliary pressure supply system including a hydraulic pump (10) and an auxiliary pressure control valve (12) causing an auxiliary-press...
06/28/1988
4750789Vehicular hydraulic brake system with anti-locking
A vehicular hydraulic brake system with anti-locking, wherein there is provided a master cylinder (27) with a power booster (9) connected upstream thereof for the purpose of supplying the brake-actuating members (32, 33, 36 37) with pressure. Valves (34, ...
06/14/1988
4745750Auxiliary-energy-supplied brake slip control system of a vehicular hydraulic brake system
An auxiliary-energy-supplied brake slip control system of a vehicular hydraulic brake system with a brake-pedal-operable master cylinder arrangement (12) and with auxiliary energy supply into the working chamber (16) of the master cylinder. The master cyl...
05/24/1988
4743075Combined traction slip- and slip-controlled brake system
A combination traction slip- and brake slip-controlled brake system comprises a brake pressure generator (1) with an auxiliary energy supply system (2) and a pressure compensating reservoir (3) and electromagnetically actuatable valves (4-11) in the press...
05/10/1988
4732001Hydraulic booster with boost-pressure responsive valve
A braking pressure generator (1,21) for a vehicular hydraulic brake system, wherein a booster piston (15) which is slidable by hydraulic pressure is displaceable in the actuating direction. The booster piston (15) is arranged as a stepped piston with a sm...
03/22/1988
4720151Slip-controlled brake system for automotive vehicles
A slip-controlled brake system for automotive vehicles comprising two static brake circuits (17, 18) into which a pressure medium is introduceable from a dynamic pressure medium circuit (21, 23) during the control operation, and one dynamic brake circuit ...
01/19/1988
4717210Brake-slip-controlled brake system
A brake-slip-controlled brake system with a brake-pedal-operated master cylinder (2) assisted by auxiliary energy, with valves (42 through 45 and 66 through 69) in the pressure medium supply lines (40, 41) from the master cylinder (2) to the wheel brakes ...
01/05/1988
4708405Brake pressure generator for a hydraulic brake system for use with motor vehicles
A brake pressure generator for a hydraulic brake system for motor vehicles, comprising a booster piston (26) displaceable by a hydraulic auxiliary pressure in the actuating direction, comprising a master cylinder (2) including a stepped piston (36) to whi...
11/24/1987
4703978Hydraulic brake system
A hydraulic brake system comprises a pedal-actuated tandem generator cylinder (3), an auxiliary-pressure supply system with electromotively driven pump (8) and pressure fluid supply reservoir (31) and an auxiliary-pressure control valve (7, 67). The tande...
11/03/1987
4702530Hydraulic brake system with fast-fill cylinder
A hydraulic brake system (FIG. 2) composed of a master cylinder (30) coupled to the brake pedal (46), wherein there is provided a hydraulic booster (31) with a booster piston (91) and a booster chamber (35), and an auxiliary pressure proportional to the p...
10/27/1987
4685747Brake system with slip control
A brake system with slip control comprises a conventional braking pressure generator (1), for example a master cylinder (2) with a vacuum-type booster (3) connected before it. An auxiliary pressure control valve (23) is provided whose control inlet port (...
08/11/1987
4681375Hydraulic brake system for automotive vehicles
A hydraulic brake system for automotive vehicles provided with a hydraulic power booster (1) and with a master cylinder (10) operable by the power booster (1). The booster piston (2) is designed as stepped piston with a pedal-close portion (5) of smaller ...
07/21/1987
4678242Hydraulic vehicle brake system with anti-locking
A hydraulic vehicle brake system with anti-locking, wherein a braking pressure generator (25) comprising a hydraulic power booster (26) and a master cylinder (27) connected downstream thereof is employed for the pressure supply of the brake circuits. Whee...
07/07/1987
4671066Hydraulic power booster
A hydraulic power booster, for the actuation of a master cylinder in an automotive vehicle brake system, in which a booster piston and a brake valve are essentially arranged in parallel with the booster piston. In dependence on the actuation force applied...
06/09/1987
4658168Device for monitoring the circumferential speed of a toothed disc capable of being rotated
A device for monitoring the circumferential speed of a toothed disc (1) capable of being rotated, with a sensor (4) arranged at a defined distance (s) from the toothed rim (2) of the toothed disc (1) and with a sensor casing (7) supported at and securable...
04/14/1987
4657315Hydraulic motor vehicle servo brake
A hydraulic motor vehicle servo brake comprises a pedal-actuated master cylinder (11) with at least one master piston (24). In addition, a brake valve (17) is provided for boosting of the brake force, which brake valve upon actuation by the brake pedal (1...
04/14/1987
4656833Hydraulic brake system for automotive vehicles
A hydraulic brake system for automotive vehicles with a master brake cylinder (51) and with a hydraulic power booster (49) connected upstream of the master brake cylinder, in which a pressure medium pump (18) which may be driven by an electric motor (17) ...
04/14/1987
4649707Brake pressure generator having an improced master cylinder and booster for an automotive hydraulic brake system
A brake pressure generator for an automotive hydraulic brake system, wherein a booster piston (13) which is displaceable by an auxiliary hydraulic pressure in the direction of actuation is adapted to mechanically strike an annular piston (18) and is displ...
03/17/1987
4642989Hydraulic power booster
The present invention relates to a hydraulic power booster, in particular for the actuation of a master cylinder in an automotive vehicle brake system, wherein there is a booster piston and a brake valve arranged essentially in parallel to the booster pis...
02/17/1987
4643492Brake system with slip control for automotive vehicles with front-wheel drive or all-wheel drive
A brake system with slip control for vehicles with front-wheel drive or all-wheel drive comprises two hydraulically isolated pressure-medium circuits (2, 3), to which one front wheel and one rear wheel each (VL, HR; VR, HL) are connected. Through a pair o...
02/17/1987
4643490Hydraulic servo vehicle brake
A hydraulic servo vehicle brake is provided with a pedal-actuated master cylinder (11) and a first brake circuit I is connected to the pressure chamber (76) subjected to the pressure exerted by the master piston (24). Between the brake pedal (16) and the ...
02/17/1987
4643486Slip-controlled brake system for automotive vehicles with driven front and rear axle
A slip-controlled brake system for automotive vehicles with driven front and rear axles is equipped with a pedal-actuated braking pressure generator (1) comprising a power brake booster (2) connected to an auxiliary pressure source (4). The booster commun...
02/17/1987
4641894Brake system
A brake system comprises a tandem master cylinder (24) with working pistons (19, 27), each of which confining a working chamber (25, 29). Upstream of the tandem master cylinder (24) a power booster (1) is connected which is connected to an auxiliary energ...
02/10/1987
4641891Hydraulic servo vehicle brake
A hydraulic servo vehicle brake with a tandem master cylinder wherein the first master piston (24) is provided with a cylindrical axial bore toward the piston pressure chamber (76). A second master piston (80) extending to the master cylinder bottom (79) ...
02/10/1987
4641895Brake system with slip control for automotive vehicles
A brake system with brake slip control and traction slip control provided for road vehicles comprises a braking pressure generator (1) comprising a single-type or tandem-type master cylinder (2, 9, 9'), a power brake booster (10, 10', 10") connected upstr...
02/10/1987
4627669Slip-controlled brake system for automotive vehicles
A slip-controlled brake system for automotive vehicles comprising a braking pressure generator (3) with a power brake booster (2) supplied by an auxiliary pressure source (7), with the booster communicating with the wheel brakes of one axle by way of mult...
12/09/1986
4626043Slip-controlled brake system for automotive vehicles with a driven axle
A slip-controlled brake system for automotive vehicles with a driven axle and a non-driven one has a braking pressure generator (10) connected to an auxiliary pressure source (9), to the braking pressure generator (10) the wheel brakes of a front wheel (V...
12/02/1986
4611858Hydraulic brake system
A vehicular hydraulic brake system wherein valve means are provided which in the release position of the brake and during normal braking actions establish communication between diagonally opposite wheel brakes and which preferably hydraulically connect th...
09/16/1986
4600243Hydraulic servo brake for motor vehicles
In a hydraulic motor vehicle servo brake comprising a tandem master cylinder (11), a brake valve (17) is provided which upon actuation through the brake pedal (16) applies, in controlled manner, pressure medium supplied by a hydraulic pump (18) connected ...
07/15/1986
4598625Vacuum-operated brake power booster
A vacuum-operated brake power booster, including a control valve comprising a control valve piston with valve seat actuated by the piston rod, a poppet valve with two valve seat faces and a valve seat at the longitudinally slidable control valve body. The...
07/08/1986
4598955Slip control system master cylinder with piston sleeve
An actuating device for a vehicle hydraulic brake system of the type having electromagnetically operated valves in the hydraulic circuits to each wheel brake for providing slip control wherein the device includes a master cylinder having a brake pedal for...
07/08/1986
4592599Hydraulic brake system
This invention relates to a hydraulic brake system for automotive vehicle with a master cylinder (2) and with a hydraulic power booster (1) connected upstream of the master cylinder (2) and having a pressure chamber (4) in which an auxiliary pressure depe...
06/03/1986
4586591Pressure-fluid-operable vehicle brake system
A pressure-fluid-operable vehicle brake system is proposed, which is fed by an auxiliary energy supply system (3) and which comprises a master cylinder device (1), in which a booster piston (40) adapted to be acted upon by the auxiliary energy is slidable...
05/06/1986
4582365Hydraulic brake system
A slip control hydraulic brake system for wheel brakes wherein a sliding booster piston and a second piston form a working chamber with hydraulic pressure that acts upon a wheel brake. The booster piston and the brake system housing form two annular chamb...
04/15/1986
4578951Dual-circuit hydraulic brake system
The present invention relates to a dual-circuit hydraulic brake system with slip control, in particular for automotive vehicles, wherein wheel brakes (26, 27, 41, 42) are connected via electromagnetically actuatable multiple-position valves (38, 39, 88, 4...
04/01/1986
4555144Method and apparatus for controlling and monitoring hydraulic brake slip
In the braking system of a motor vehicle, a hydraulically or electromagnetically actuatable valve is inserted into the return line to control and monitor hydraulic brake slip control devices supplied with energy from an external source. This valve opens o...
11/26/1985
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