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| Number | Title | Issue Date |
| 5531288 | Differential pawl activation apparatus 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... | 07/02/1996 |
| 5496096 | Method of and an apparatus for regulating an electrically regulated brake circuit of a multi-circuit brake mechanism 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 signa... | 03/05/1996 |
| 5469358 | Method for generating wheel acceleration control signals and wheel deceleration control signals 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 mic... | 11/21/1995 |
| 5400649 | Device for monitoring the pressure of a vehicle tire 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 sma... | 03/28/1995 |
| 5341117 | Device for maintaining the position of a coil support in a cup-shaped casing part 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)... | 08/23/1994 |
| 5294190 | Brake system with at least one brake circuit 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 c... | 03/15/1994 |
| 5273139 | Brake cylinder for the actuation of a vehicle brake 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 p... | 12/28/1993 |
| 5263556 | Brake actuating device with an adjustment device for a vehicle brake 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... | 11/23/1993 |
| 5255962 | Electronic brake system for road vehicles 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... | 10/26/1993 |
| 5253931 | Control logic for an anti-lock vehicle brake system 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 speci... | 10/19/1993 |
| 5230243 | Device for surveillance of tire pressures 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 membe... | 07/27/1993 |
| 5226315 | Device for surveillance of a gas-filled chamber to monitor leaks A device for monitoring the sealing properties of a gas-filled chamber is provided. The temperature-sensitive device is formed out of a thermally-reacting element (14, 19, 20, 24). The element changes its dimensional length depending on a temperature chan... | 07/13/1993 |
| 5222579 | Device for automatic slack adjustment of a brake, in particular a vehicle brake 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... | 06/29/1993 |
| 5207299 | Brake slack adjuster with electronic control and distance sensors 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 fur... | 05/04/1993 |
| 5205619 | Electronic circuit for surveillance of final amplifier and its load 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 s... | 04/27/1993 |
| 5189391 | Method for the surveillance of a brake device in regard to overload A method for the surveillance of a brake device includes an indirect measurement of temperature of a selected device component, for example a brake drum, of a brake device. A warning signal is furnished, if this measured temperature reaches a maximum perm... | 02/23/1993 |
| 5187977 | Device for recognition of driving on a grade 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 (... | 02/23/1993 |
| 5181418 | Device for monitoring the pressure of a measurement chamber charged with the pressure of a vehicle tire 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-... | 01/26/1993 |
| 5180185 | Device for obtaining an axle-load signal of a mechanically spring-supported drive axle of a lifting axle structure 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 ... | 01/19/1993 |
| 5172959 | Anti-lock braking system for all-wheel drive vehicles 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... | 12/22/1992 |
| 5172624 | Hydraulic device 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... | 12/22/1992 |
| 5145239 | Brake circuit with primary electrical brake pressure control and secondary failure responsive mechanical brake pressure control 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 pr... | 09/08/1992 |
| 5136511 | Safety circuit 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 (... | 08/04/1992 |
| 5132664 | Overload warning system for a trailer brake arrangement 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 warni... | 07/21/1992 |
| 5129712 | Method of and an apparatus for regulating an electrically regulated brake circuit of a multi-circuit brake mechanism 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... | 07/14/1992 |
| 5130928 | Anti-lock and/or anti-slip apparatus for commercial-type vehicles 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 ele... | 07/14/1992 |
| 5119895 | Apparatus for generation of a weight-dependent signal 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... | 06/09/1992 |
| 5118169 | Control valve device 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 ... | 06/02/1992 |
| 5119312 | Circuitry for surveillance of switching state of a power transistor 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 su... | 06/02/1992 |
| 5114315 | Clutch control system for an air compressor 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 ... | 05/19/1992 |
| 5101857 | Valve vane 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... | 04/07/1992 |
| 5101754 | Device for surveillance of a pressure in a vehicle tire A device for the surveillance of the pressure of a vehicle tire includes a pressure-sensitive device which senses the tire pressure and generates, in case of a pressure loss in the tire, a pressure change signal. A set member is actuated with this pressur... | 04/07/1992 |
| 5079947 | Method for approximate indication of mean temperature of a component of a brake device 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... | 01/14/1992 |
| 5064967 | Housing containing an electrical component and having a cable head-through device with strain relief 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 mov... | 11/12/1991 |
| 5048867 | Automatic level control system for vehicles 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... | 09/17/1991 |
| 5039069 | Electromagnetically actuated valve device A dual electromagnetically actuated valve device for controlling the connection between a fluid pressure source and a consumer facility, and for controlling the pressure relief function for the consumer facility, and for providing a highly sensitive adjus... | 08/13/1991 |
| 4971403 | Power brake for an anti-lock hydraulic brake system 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 ... | 11/20/1990 |
| 4932631 | Apparatus to transmit drive force between two components 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 cov... | 06/12/1990 |
| 4930040 | Current regulator for inductive loads 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... | 05/29/1990 |
| 4926907 | Relay valve for pneumatic or hydraulic application 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 leadin... | 05/22/1990 |
