| Patent Number |
Title Of Patent |
Date Issued |
| 5614798 |
Circuit configuration for identifying a short circuit or shunt event in a servomotor system |
March 25, 1997 |
| A circuit configuration for the control of a servomotor (M) with the aid of current pulses supplied by a current-controlled final stage (1) of a control system. The pattern of current rise is analyzed after actuation of the final stage (1) for identifying a short circuit in the servomoto |
| 5550739 |
Semi-active suspension control system |
August 27, 1996 |
| A semi-active suspension control system comprises exclusively chassis acceleration sensors (S.sub.1 to S.sub.3) as sensors (1) for obtaining the information for the damping force control. The output signals of these sensors are analyzed in a filter (3), the transmission behavior of which |
| 5474106 |
Solenoid valve for hydraulic brake units with slip control |
December 12, 1995 |
| A solenoid valve for hydraulic brake units with slip control is described which has a magnetic armature (2) surrounded by a valve dome (14), the magnetic armature (2) positioned by energization of a magnet coil (16), so that a valve needle (1) which is carried by the magnetic armature (2 |
| 5454632 |
Brake system with pump power consumption control |
October 3, 1995 |
| A hydraulic brake system with anti-lock control and traction slip control has an electric-motor-driven hydraulic pump 6 and a motor 7 for auxiliary pressure supply during a controlled braking operation and during a traction slip control operation by way of brake management. During a |
| 5451867 |
Method and circuit configuration for conditioning the output signal of a rotational speed sensor |
September 19, 1995 |
| A circuit configuration which serves to condition the output signal of a rotational speed sensor, e.g., the wheel sensor of an automotive vehicle. The circuit configuration includes a trigger circuit, the "hysteresis" or trigger thresholds thereof being controllable, and includes circuit |
| 5443097 |
Arrangement for closing off fluid passages |
August 22, 1995 |
| An arrangement and method for closing off fluid passages is disclosed. The arrangement includes first and second closure members inserted one behind the other in the fluid passage, the second closure member slidably fit into the passage with a clearance and positioning against a sealing |
| 5417485 |
Brake controller with each valve connected to two separate electrical circuits |
May 23, 1995 |
| A brake system having inlet valves in brake lines between the master brake cylinder and the wheel brakes of the rear axle. The inlet valves are driven via a first current circuit by an electronic analyzing and controlling unit, so that both an ideal brake force distribution is achiev |
| 5415468 |
Circuit configuration and method for controlling a traction slip control system with brake and/o |
May 16, 1995 |
| A circuit configuration and method for a traction slip control system which evaluates the speed (v.sub.ER) measured at a driven spare wheel with a correction factor K(t) in order to maintain or improve the control function even when a smaller size spare wheel has been mounted. This c |
| 5407033 |
Brake unit and spring energy accumulator for it |
April 18, 1995 |
| An improved spring energy accumulators are used to actuate brake units mounted to either end of a transmission for a track laying vehicle drive train. The housing of the spring energy accumulator is directly mounted to the housing of the brake unit. The spring energy accumulators are des |
| 5401085 |
Brake pressure control apparatus for a hydraulic automotive vehicle brake system |
March 28, 1995 |
| A brake pressure control apparatus having a brake pressure master unit, a brake connected to the brake pressure master unit through a pressure line, a pressure-controlled inlet valve which is positioned in the pressure line and through which the brake pressure master unit is connected, i |
| 5378055 |
Hydraulic brake system with anti-lock control |
January 3, 1995 |
| A hydraulic brake system with anti-lock control, in particular for automotive vehicles, comprising a braking pressure generator (18), at least one wheel brake (5), an auxiliary-pressure pump (1), a low-pressure accumulator (22), and a shut-off valve and outlet valve (12, 7) for contr |
| 5370450 |
Brake pressure control apparatus |
December 6, 1994 |
| A brake pressure control apparatus for automotive vehicles with an anti-locking control system is presented. It is comprised of a master cylinder, of one or of a plurality of wheel cylinders for wheel brakes, of a pressure modulator for the modulation of the hydraulic pressure in the |
| 5363944 |
Floating-frame spot-type disc brake for high-torque automotive vehicles |
November 15, 1994 |
| A floating-frame spot-type disc brake is described comprising a floating frame (1) guided in a manner axially displaceable on a brake carrier (12), and being furnished with two brake cylinders (2, 3) and two brake pistons (4, 5) directly acting on two axially inwardly disposed brake shoe |
| 5362141 |
Valve block and method of assembling an element thereto |
November 8, 1994 |
| A method of assembling elements into a valve block is described, especially for use with slip-controlled brake systems, a sealing ball, valve covers or valve seats are inserted into the valve block to be sealed without using force fitting swaging or other mechanical working of the parts, |
| 5362140 |
Automotive vehicle brake system with brake-slip-dependent and traction-slip-dependent braking pr |
November 8, 1994 |
| An anti-lock-controlled brake system which, with a minimum number of locking valves between the pressure medium storage reservoir (20) and the wheel brakes (31, 32, 33, 34), is equally suitable for traction slip control with all types of brake circuit allocation. An electromagnetically |
| 5359854 |
Actuating unit for hydraulic brake system |
November 1, 1994 |
| An actuating unit for a hydraulic brake system for automotive vehicles which operates by a precisely defined change-over pressure and with lost travel independent of the speed of actuation. The actuating unit includes a pneumatic brake power booster and a master brake cylinder connected |
| 5354122 |
Seating for an inertia ball of a deceleration-sensitive brake power control |
October 11, 1994 |
| A seating for an inertia ball (101) of a deceleration-sensitive brake power control is disclosed, featuring a substantially stepped feature (114) located above a bottom area (105) and which feature engages the inertia ball so as to not allow any horizontal free movement of the inertia ba |
| 5350226 |
Anti-lock hydraulic brake system |
September 27, 1994 |
| An anti-lock hydraulic brake system is described wherein a throttle valve has a restrictive flow condition which becomes effective in the brake line in the event of brake slip control. Pumps for reapply pressure deliver fluid to the wheel brake via this restriction and regulating the pre |
| 5343985 |
Floating-caliper spot-type disc brake for high-powered vehicles |
September 6, 1994 |
| The invention is related to a spot-type disc brake with a stationary brake carrier (19) at which a floating caliper (1) is slidingly guided which straddles the edge of a brake disc (10), with two brake cylinders (11, 12) which are positioned on the internal axial side of the brake disc ( |
| 5333946 |
Electromagnetic valve for antislip hydraulic brake systems |
August 2, 1994 |
| The valve sleeve (3) of an electromagnetic valve is secured to a housing by a friction grip, and also a formed interlock using a bushing (1) inserted in a housing bore of a valve housing (2). To enhance the holding force effective on contact faces between valve housing (2), valve sleeve |
| 5333945 |
Brake pressure control apparatus |
August 2, 1994 |
| A brake pressure control system for automotive vehicles with an anti-locking control system is disclosed, in which an outlet valve (10) associated with a wheel cylinder has a closing element (5) which is coupled to the closing element (6) of the inlet valve (11) through a coupling ho |
| 5332303 |
Anti-lock-controlled brake system |
July 26, 1994 |
| An anti-lock-controlled hydraulic brake system is described having a pump (9) and a master brake cylinder (1). An arrangement for controlling the pump pressure is integrated in the master brake cylinder ( 1 ) and consists of the combination of a connection of the pump to the master c |
| 5332302 |
Master cylinder low/high pressure combination valve which operates independently of brake pedal |
July 26, 1994 |
| A brake pressure control device (1) is described in which a low-pressure valve (19) and a high-pressure valve (29) are both actuatable by a brake pedal, resulting in a brake circuit (36) being connectible alternatively either to a reservoir (23) or to a pressure source (33, 34) by releas |
| 5330268 |
Apparatus for determining the condition of a pressure transmitting fluid |
July 19, 1994 |
| An apparatus for determining the boiling temperature of a brake fluid to in turn determine the water content therein includes an electrically heatable sensor element (13) immersed into the fluid under test, a power source (12) supplying a current of a constant amplitude, and a measuring |
| 5330035 |
Holding down spring for spot-type disc brakes and associated housing and brake shoes |
July 19, 1994 |
| Various forms of a disc brake hold down spring are disclosed, the spring having two legs disposed in a V-shape and being elastically swingable in respect of each other. In a first form, the legs extend axially and are each formed with a wing loop with one side of the wing being lockable |
| 5327056 |
Circuit configuration for limiting the cutoff voltage on a servomotor |
July 5, 1994 |
| A circuit configuration for limiting the cutoff voltage occurring in controlling a servomotor (M) by means of width-modulated DC pulses comprises a power transistor (T2) which, via a capacitor (C) is connected through for a short time when a cutoff voltage appears thus limiting the c |
| 5323685 |
Actuating unit for a hydraulic brake system for automotive vehicles |
June 28, 1994 |
| An actuating unit for a hydraulic brake system for automotive vehicles for shortening the actuating travel of the brake power booster to pre-charge the brake system. The actuating unit includes a master cylinder and a pneumatic brake power booster connected upstream thereof. A first seal |
| 5322356 |
Method and circuit configuration to augment the driving stability of a road vehicle |
June 21, 1994 |
| A method and a circuit configuration to augment the driving stability of a road vehicle using traction slip control by brake management. The drive wheel is identified which instantaneously exhibits the higher coefficient of friction (HM-wheel). The rotational pattern of this wheel is mon |
| 5320024 |
Vacuum brake force booster for automotive vehicles |
June 14, 1994 |
| To preclude a rolling diaphragm forming together with a metallic diaphragm plate the movable wall of a vacuum brake force booster from being detached from a groove accommodating the radially inward area of the rolling diaphragm, it is provided, in the practice of the invention, that the |
| 5318066 |
Solenoid valve for hydraulic brake units with slip control |
June 7, 1994 |
| A solenoid valve for hydraulic brake units with slip control is described which has a magnetic armature (2) surrounded by a valve dome (14), the magnetic armature (2) positioned by energization of a magnet coil (16) , so that a valve needle (1) which is carried by the magnetic armature ( |
| 5311793 |
Brake cable fixing device for a parking brake, in particular for a duo-servo hat-section-type pa |
May 17, 1994 |
| A brake cable fixing device for the expanding lock of a parking brake is described making possible an easy installation of a brake cable. A tapered cable end nipple of the brake cable is guided during installation by a funnel-shaped entry space, constituted by the outer edges of the fork |
| 5311398 |
Housing for motor vehicle electronic system |
May 10, 1994 |
| A housing for installation in motor vehicles to accommodate SMD electronic components disposed on one side of a multi-layer circuit board or film. A metal plate serves as the carrier for the circuit board or film, with the planar expanse of the metal plate being the same as or greater th |
| 5310253 |
Braking pressure control device |
May 10, 1994 |
| A braking pressure control device is described for an automatic wheel brake system equipped with an anti-lock control system (ABS) and/or a traction slip control system (TSC). A controlled pressure reduction phase with a minimized residual pressure in the wheel brake is achieved by the c |
| 5309314 |
Circuit configuration for actuating a safety relay |
May 3, 1994 |
| A circuit configuration for actuating a safety relay (1) such as the main relay of an electronically controlled brake system of an automotive vehicle at least has two transistors (T1, T2) connected in series and a monitoring circuit (5) which will urge the transistors into the non-co |
| 5302011 |
Braking pressure control device for a hydraulic automotive vehicle brake system |
April 12, 1994 |
| A braking pressure control device for a brake system comprising a braking pressure generator (16), a wheel brake cylinder connected via a brake line (15) with the latter to actuate a brake (18), a braking pressure control circuit which is interposed into the brake line and comprising a p |
| 5302010 |
Circuit configuration for improving the driving behavior of an automotive vehicle tending to ove |
April 12, 1994 |
| A circuit configuration for improving the driving behavior of an automotive vehicle tending to oversteering, which vehicle is equipped with an anti-lock control system, causes the slip and deceleration thresholds, decisive for the onset of control at the front wheel on the outside of the |
| 5299858 |
Brake system with a device for controlling both the brake slip and the traction slip |
April 5, 1994 |
| A brake system based on the recirculation principle and having a self-priming pump which operates for both anti-lock control and traction slip control. The pump self-primes from the pressure medium storage reservoir via the master cylinder for traction slip control. In a diagonal bra |
| 5299665 |
Damping bushing |
April 5, 1994 |
| A damping bushing for a guide pin of a spot-type disc brake is disclosed, having an elastic pleated cup formed with a first end section fixed to a cylindrical body receiving the guide pin, and also formed with a second end section adapted to be assembled to a ring fixed to the guide pin. |
| 5297862 |
Hydraulic brake system controlling slip |
March 29, 1994 |
| To insure that no air bubbles are included in a pump of an anti-locking system, the pump is placed into the master brake conduit, thereby causing it to be scavenged by manual brake operation. Once a brake pressure of about 5 bar is attained, a switch-over valve (28) is switched-over, |
| 5297659 |
Floating caliper and brake shoe for spot-type disc brakes |
March 29, 1994 |
| A support of a floating caliper (7) of a spot-type disc brake on an axially external brake shoe (4) is described. For the support, two carrier elements (5, 6) are disposed spaced apart laterally in the circumferential direction on the external brake shoe (4), the corner elements (5, 6) |
| 5297471 |
Housing for a pneumatic power booster and process for its manufacture |
March 29, 1994 |
| A construction and fabrication process for a two piece vacuum brake power booster housing is described which eliminates the surface tensions which are caused by forming during assembly to prevent damage to a protective surface finish. Localized radially weakened zones are each formed by |
| 5295797 |
Radial piston pump |
March 22, 1994 |
| A suction-restricted radial piston pump is described, in particular for use with automotive vehicles. The pump delivers a flow constant over a broad speed range and involving low losses in output and generating only negligible noise. In one embodiment, a control slot (13), on the pressur |
| 5295739 |
Brake pressure control apparatus |
March 22, 1994 |
| A brake pressure control apparatus for automotive vehicles with an anti-locking control system (ABS) and/or with a traction slip control system (TSS) is presented. In the inlet line to the wheel cylinder an inlet valve is provided which affords a change-over from an orifice function |
| 5295293 |
Arrangement and method for closing off fluid passages |
March 22, 1994 |
| An arrangement and method for closing off fluid passages is disclosed. The arrangement includes first and second closure members inserted one behind the other in the fluid passage, the second closure member slidably fit into the passage with a clearance and positioning against a sealing |
| 5293808 |
Vacuum brake power booster |
March 15, 1994 |
| A vacuum brake power booster and a process is disclosed in which a precise adjustment of the power boost startup characteristic is achieved. The adjustment is carried out as a final step in the manufacture of the booster adjusting the distance between the valve piston and an elastic |
| 5293315 |
Circuit configuration for an automative vehicle having traction slip control |
March 8, 1994 |
| A variable control threshold (RS) is formed by a circuit configuration for the traction slip control through brake management, with the control threshold being composed of a basic threshold (GS) and a portion derived from the wheel slip acceleration. The wheel slip (VR) is compared to th |
| 5290098 |
Hydraulic anti-locking brake unit |
March 1, 1994 |
| A hydraulic anti-locking brake unit is presented in which the brake line is shut off by an isolating valve 20 during a control action. For the reduction of the pressure, the outlet valve 7 is opened, so that the pump 14 delivers hydraulic fluid out of the wheel brake into the high-pressu |
| 5290096 |
Pressure control valve slip-controlled hydraulic brake systems |
March 1, 1994 |
| A pressure control valve is disclosed comprising a valve tappet (1) guided in a valve housing (3) and accommodating a compression spring (4), with a valve closure member (10) on one end of the valve tappet (1) and mating with a valve seat (9) establishing a connection between a pressure |
| 5288142 |
Hydraulic brake system including slip control |
February 22, 1994 |
| A hydraulic brake system is described including a brake slip and/or traction slip control, wherein a pump required herefor is connected in series into the brake conduit through which, in a normal deceleration process, pressure fluid is displaced from the master brake cylinder to the |
| 5287764 |
Device for actuating a hydraulic power steering system |
February 22, 1994 |
| Apparatus for actuating a hydraulic power steering system for automotive vehicles, wherein the steering shaft (1 ) is allowed to roll off on the gear rack (3) to a small degree to actuate the steering valve. To enable this rolling motion, the steering shaft (1 ) is supported in a sleeve |
