| Patent Number |
Title Of Patent |
Date Issued |
| 5531288 |
Differential pawl activation apparatus |
July 2, 1996 |
| The present invention teaches an activation apparatus for a differential pawl. Such activation apparatus is designed to prevent damage to components of the differential pawl and/or of the drive train resulting from operator error. When a drive wheel slips, a monitoring means acquires |
| 5496096 |
Method of and an apparatus for regulating an electrically regulated brake circuit of a multi-cir |
March 5, 1996 |
| This invention provides a method of and an apparatus for regulating an electrically regulated brake circuit of a multi-circuit brake mechanism. To eliminate the cost of brake pressure modulators, this invention measures the brake value of a pressure signal regulated brake circuit and |
| 5469358 |
Method for generating wheel acceleration control signals and wheel deceleration control signals |
November 21, 1995 |
| A method is provided for the generation of wheel acceleration control signals and wheel deceleration control signals for an anti-lock system for wheels of a vehicle. The vehicle is furnished with a digital electronic anti-lock system with at least one microprocessor. The microprocessor |
| 5400649 |
Device for monitoring the pressure of a vehicle tire |
March 28, 1995 |
| An apparatus is furnished for sensing the tire pressure and for generating a signal by way of an actuator. If the tire pressure drops below the predetermined reference tire pressure, then this is signalled immediately and instantly within a relatively small pressure tolerance threshold. |
| 5368499 |
Multi-lead electric plug connector |
November 29, 1994 |
| A multi-lead electrical plug connector is disclosed including a plug part (4) and a socket part (5). The plug connector is furnished in particular for the connection of two cables, each cable having two conducting wires. The plug connector is subdivided into two end section (A, C) with r |
| 5341117 |
Device for maintaining the position of a coil support in a cup-shaped casing part |
August 23, 1994 |
| In a device for positional fixation of a coil support in a cup-shaped formed casing part, wherein a closure part (4, 8) is attached to the cup-shaped casing part (1, 2, 22). Said closure part (4, 8) is disposed on the side of the coil support (10, 19, 21) , located remotely relative to |
| 5294190 |
Brake system with at least one brake circuit |
March 15, 1994 |
| A brake system with at least one brake circuit comprises a mechanical brake-pressure control device and an electrical brake-pressure control device. The brake system is constructed without additional expenditure and by use of a mechanical brake-pressure control device and by an electrica |
| 5273139 |
Brake cylinder for the actuation of a vehicle brake |
December 28, 1993 |
| A brake cylinder is disclosed featuring a reduction of weight and a construction for reducing a tendency to vibrate. The piston (11), serving for the brake actuation, is formed out of a plastic mold part and is furnished with a simplified guiding of the piston. A pressure piece (44) |
| 5263556 |
Brake actuating device with an adjustment device for a vehicle brake |
November 23, 1993 |
| A brake actuating device is furnished with a device for slack readjustment of a brake, in particular of a vehicle brake. Defects in the area of the readjustment device can result in an erroneous and defective brake behavior. The invention device furnishes a continuous control of the brak |
| 5255962 |
Electronic brake system for road vehicles |
October 26, 1993 |
| An electronic brake system for road vehicles includes a decentrally formed electronic device and at least one central module. The central module includes at least one microprocessor with its individual intelligence. A module (1, 2, 3, 4) is coordinated in each case to a respective wheel. |
| 5253931 |
Control logic for an anti-lock vehicle brake system |
October 19, 1993 |
| An automatic control logic for an anti-lock protected vehicle braking plants is provided for all-terrain operation. In this case, the standard automatic control logic for road operation is switched, by the driver with an all-terrain switch (13) to a special automatic control logic for |
| 5251966 |
Tractor and trailer braking control system to prevent trailer overrun |
October 12, 1993 |
| A method for the braking of a vehicle train with pressure-actuated brakes and arrangements for performing this method are disclosed. The prior art shows that, because of a different rapid build-up of a braking pressure in the various rigid vehicles of a vehicle train, there occurs an ove |
| 5230243 |
Device for surveillance of tire pressures |
July 27, 1993 |
| The tire surveillance device of the invention includes a pressure measurement member, where the signal of the pressure measurement member is corrective dependent on the temperature and evaluation unit actuated by the resulting signal. The correction member (21, 34) is disposed such that |
| 5222579 |
Device for automatic slack adjustment of a brake, in particular a vehicle brake |
June 29, 1993 |
| An apparatus is furnished for the automatic adjustment of a brake in particular of a vehicle brake. The invention device provides generous assembly tolerances while employing relatively simple device components. The drive of the slack adjustment device (2, 4), formed from the gear rack |
| 5207299 |
Brake slack adjuster with electronic control and distance sensors |
May 4, 1993 |
| A brake actuating device is furnished with a device for slack readjustment of a brake, in particular of a vehicle brake. Defects in the area of the slack readjustment device can result in an erroneous and defective brake behavior. The invention device furnishes a continuous control of th |
| 5205619 |
Electronic circuit for surveillance of final amplifier and its load |
April 27, 1993 |
| An electronic circuit, in particular for an anti-skid protection system for vehicles is provided with at least with one microcomputer (2). The microcomputer (2) controls a load (4) via a final amplifier (3). A resistor circuit (6, 7, 8) is furnished for surveillance of the final ampl |
| 5187977 |
Device for recognition of driving on a grade |
February 23, 1993 |
| An apparatus for the recognition of a rising slope is provided in particular for commercial vehicles, such as trucks or busses. The device comprises at least one sensor (1) for the axle load of the rear axle and/or of the front axle, as well as a device (4) for measuring the vehicle |
| 5181418 |
Device for monitoring the pressure of a measurement chamber charged with the pressure of a vehic |
January 26, 1993 |
| The invention device monitors the pressure of a measurement chamber subjected to the pressure prevailing in a vehicle tire. A pressure-sensitive device scans the tire pressure with a pressure measurement member in a measurement chamber. In case of a tire-pressure drop, the tire press |
| 5180185 |
Device for obtaining an axle-load signal of a mechanically spring-supported drive axle of a lift |
January 19, 1993 |
| The axial load of the mechanically spring-supported drive axle of a lifting axle structure aggregate is defined by the compression of the suspension spring and the pressure of the lifting bellows. A two-dimensional contour of a signal body is employed to engage a signal pin. The signal p |
| 5172959 |
Anti-lock braking system for all-wheel drive vehicles |
December 22, 1992 |
| An anti-lock braking system for a two-axle all-wheel drive vehicle having two intra-axle differentials and an engageable central inter-axle differential comprises a wheel sensor associated with each of the wheels for determining the rotational behavior of each of the wheels, and a fo |
| 5172624 |
Hydraulic device |
December 22, 1992 |
| A hydraulic device is furnished for an automatic connection of the pressure means source, either preferably to the primary user or to the secondary user depending on the pressure in the circuit of the primary user. A switching valve can be actuated by way of a precontrol pilot valve for |
| 5145239 |
Brake circuit with primary electrical brake pressure control and secondary failure responsive me |
September 8, 1992 |
| A known brake circuit comprises a mechanical brake-pressure control device and an electrical brake-pressure control device. The mechanical brake-pressure control device is furnished for assuring an emergency operation in case of a fault of the normally predominance-taking electrical |
| 5136511 |
Safety circuit |
August 4, 1992 |
| A safety circuit (12) for the surveillance of the proper functioning of an electronic wheel lockup-protected motor vehicle brake system includes automatic control circuits (10, 38), automatically controlled magnet valves (4, 46), and pick-up transducers (3, 47) at the motor vehicle w |
| 5132664 |
Overload warning system for a trailer brake arrangement |
July 21, 1992 |
| An overload warning system for a trailer brake cylinder of a trailer brake system having a nominal deceleration rate. It has been found that previous temperature sensing overdue warning systems have a disadvantage that undue delay occurs and that no warning signal is initiated until afte |
| 5130928 |
Anti-lock and/or anti-slip apparatus for commercial-type vehicles |
July 14, 1992 |
| This invention provides an anti-lock and/or an anti-slip apparatus for commercial-type vehicles, in which there is a front axle and two live rear axles. The apparatus includes an electronic system as part of the anti-lock and/or anti-slip system. Such electronic system is preferably a |
| 5129712 |
Method of and an apparatus for regulating an electrically regulated brake circuit of a multi-cir |
July 14, 1992 |
| The present invention provides a method of and an apparatus for regulating an electrically regulated brake circuit of a multi-circuit brake mechanism with pressure medium activated brakes. To decrease the expense of such multi-circuit brake mechanism, the invention transforms the pressur |
| 5119895 |
Apparatus for generation of a weight-dependent signal |
June 9, 1992 |
| An apparatus for generating a signal, dependent on the weight of an object, is provided for an air-suspended vehicle. Control processes of the air-suspended vehicle with automatic levelling control unit correct road conditions, such as, for example, curve inclinations, influencing the |
| 5119312 |
Circuitry for surveillance of switching state of a power transistor |
June 2, 1992 |
| A circuit for the surveillance of the switching state of a power transistor is constructed such that both, the voltage applied to the power transistor (1) is surveyed by way of a voltage comparator (7), as well as the voltage applied to the load (3) is surveyed by way of a further voltag |
| 5118169 |
Control valve device |
June 2, 1992 |
| A control valve device is provided for a pneumatically-operated vehicle brake system equipped with an antilocking device. The control valve has a controlled inlet valve and a controlled outlet valve. A pressure medium outlet chamber may be connected to a pressure medium inlet chamber by |
| 5114315 |
Clutch control system for an air compressor |
May 19, 1992 |
| An apparatus for the generation of compressed air is disclosed, where the supply of air from the compressor (1) to the user (6) is interrupted in case of preset user-side pressure. This apparatus prevents a freezing in case of low ambient temperatures in the pressure lines in which conde |
| 5101857 |
Valve vane |
April 7, 1992 |
| A valve vane is provided, where the valve vane is movable along the surface of a casing part and is driven by a dog follower, guided in a slot of the casing part, wherein the slot is furnished at least at one end, and wherein a flat slider is required for a sealing of the casing part. Su |
| 5079947 |
Method for approximate indication of mean temperature of a component of a brake device |
January 14, 1992 |
| A method for the approximate determination of the average temperature of a device component of a brake device. The average temperature is determined by the deformation of the device component at the start of a brake actuation and at a point in time t.sub.1 following said start as well as |
| 5064967 |
Housing containing an electrical component and having a cable head-through device with strain re |
November 12, 1991 |
| A strain relief device for an electrical cable disposed in a cable lead-through system for a housing containing an electrical component. The housing includes a cup-shaped housing portion and a closure portion. The strain relief includes two opposingly moving elements for clamping the |
| 5048867 |
Automatic level control system for vehicles |
September 17, 1991 |
| An automatic level control device for vehicles is furnished with an electrically triggered shut-off valve (44). The shut-off valve (44) can be loaded with a pressure in closure direction corresponding to an air-suspension pressure. The force to be exerted by the electrical actuation |
| 5035255 |
Device for changing the pressure in a tire of a motor vehicle |
July 30, 1991 |
| A device for changing the pressure in tires of a motor vehicle. The novel device achieves that the venting of the tires can be performed independent of throttling. The device includes a tire-pressure control valve (1) with a pneumatic connection terminal (8). A control element (10) is ch |
| 5013095 |
Dual-circuit hydraulic brake circuit |
May 7, 1991 |
| The present invention provides a dual-circuit hydraulic brake system, which has a hydrostatic circuit and a servo circuit. The brake system also has an electronic anti-locking system, which is fed by the servo circuit. To cut off the master cylinder in case of a controlled braking and th |
| 4971403 |
Power brake for an anti-lock hydraulic brake system |
November 20, 1990 |
| This invention provides a servo cylinder and a power brake for an anti-lock hydraulic brake system. It enables elimination of a cutoff valve in the static circuit for anti-locking operation and at least compensates for a brake pressure component produced in the servo cylinder by the stat |
| 4959750 |
Printed circuit board for carrying a mixed-component assembly |
September 25, 1990 |
| A printed circuit board provided for mixed-component assembly of electrically hard-wired and surface-mounted components which eliminates the difficulties of bonding large components and which alleviates thermal shock and stress during the soldering of the contacts by a flow bath proc |
| 4941510 |
Relay valve for pneumatic or hydraulic application |
July 17, 1990 |
| A valve including a housing in which is disposed a relay piston. The relay piston has an upper control surface adjacent a control chamber leading to a control connection. The underside of the relay piston is in communication with a reaction chamber leading to a working pressure conne |
| 4932631 |
Apparatus to transmit drive force between two components |
June 12, 1990 |
| This invention provides an apparatus for transmitting a driving force between two components. The apparatus utilizes a cover rotatably mounted in a housing such that, as a result of engagement between the cover and a first component, a rotation of the cover corresponds to a displacement |
| 4930040 |
Current regulator for inductive loads |
May 29, 1990 |
| A current regulator for an inductive load especially for a coil of an electromagnetic solenoid valve. The current flow through the coil is regulated and compared by means of an operational amplifying nominal current value. The inductive load comparator is initially controlled by a fi |
| 4926907 |
Relay valve for pneumatic or hydraulic application |
May 22, 1990 |
| A valve including a housing in which is disposed a relay piston. The relay piston has an upper control surface adjacent a control chamber leading to a control connection. The underside of the relay piston is in communication with a reaction chamber leading to a working pressure conne |
| 4925254 |
Anti-lock brake system for vehicles |
May 15, 1990 |
| An anti-lock brake system for vehicles with an electronic system which regulates the braking pressure of a monitored wheel as a function of the wheel speed, so that locking is prevented. The system is designed so that each wheel has its own speed sensor, and both wheels of one axle are |
| 4916390 |
Coil spring toothed wheel for use in measuring an angular velocity |
April 10, 1990 |
| The invention consists of a toothed wheel which in conjunction with a fixed sensor measures the revolutions or the angular velocity of a rotating component. The toothed wheel is constructed as a coil spring mounted on a circular ring-shaped mounting device and moved around a pivot with t |
| 4903576 |
Solenoid-controlled valve arrangement |
February 27, 1990 |
| A solenoid-controlled valve arrangement is provided which includes a relay valve having in its control line a series arrangement of a shut-off valve and a shifting valve. Each of the shut-off valve and the shifting valve is solenoid-controlled. |
| 4903547 |
Activation apparatus for a differential pawl with an actuator |
February 27, 1990 |
| An automatic activation apparatus for a differential pawl which is independent of intervention by an operator of a vehicle, the invention controls the energy supply to the actuator by means of a control logic with two signal inputs. The control logic is fed a wheel slip signal direct |
| 4889037 |
Chamber equipped with a breather opening to the atmosphere |
December 26, 1989 |
| The invention provides an open breather chamber in front of the breather chamber proper with the cross-sectional and length ratios lying within certain configurations so that solids, fluid and steam particles will enter the breather chamber and not cause problems within a chamber con |
| 4888997 |
Control input device |
December 26, 1989 |
| The present invention teaches a control input device particularly suited to a number of applications on a motor vehicle. The device can be activated by the foot of an operator to transmit an electrical output signal which is a function of load or displacement. Such control input device i |
| 4887636 |
Apparatus for the continuous control of solenoid valves which are normally designed for intermit |
December 19, 1989 |
| Apparatus for continuously controlling an electrically-actuated solenoid valve which regulates the fluid pressure conveyed to a brake cylinder. The solenoid valve is designed for intermittent operation. A pressure transducer senses and generates an actual value signal, which is propo |
| 4887513 |
Brake cylinder with bayonet connection |
December 19, 1989 |
| The present invention teaches a brake cylinder which is formed by a cylindrical housing and a cylinder base. The cylindrical housing and cylinder base are joined together by a bayonet connection and form a pressure chamber. The bayonet connection is designed pressure-tight, and it is |
