Abstract: A method for operating a monitoring device for at least one vehicle parameter, in particular an air-pressure sensor for the tire-pressure vehicle parameter. The monitoring device is operated in a drive mode or in a stationary mode as a function of the velocity of the vehicle. Connection signals for the wireless connection to an external device, in particular a configuration device for the monitoring device, are transmitted in the stationary mode. Prior to the change to the stationary mode, the monitoring device is operated in a first intermediate mode. A passive search for wireless connection signals from the external device is carried out in the first intermediate mode.

Abstract: A device for ascertaining the orientation of a drill relative to a plane, the device being capable of being connected to the drill, the device having a laser distance measuring unit by which, from a prespecified position relative to the plane, a first distance to a first point in the plane and a second distance to a second point in the plane can be measured, and having an evaluation unit that is configured such that on the basis of the first distance and the second distance the orientation of the device relative to the plane can be ascertained.

Abstract: A device for ascertaining the orientation of a drill relative to a plane, the device being capable of being connected to the drill, the device having a laser distance measuring unit by which, from a prespecified position relative to the plane, a first distance to a first point in the plane and a second distance to a second point in the plane can be measured, and having an evaluation unit that is configured such that on the basis of the first distance and the second distance the orientation of the device relative to the plane can be ascertained.

Abstract: In a rack-and-pinion steering gear for motor vehicles, in which in a steering gear housing a pressure piece is guided within a stub having an axis normal to that of the steering-gear housing so that the pressure piece is longitudinally displaceable in the guide stub. A preloading force acts on the pressure piece at an angle to the direction of motion of the pressure piece such that the pressure piece is held in engagement with a side wall of the stub in either direction of movement of the rack.

Abstract: A hydraulic power steering system, in which the servomotor also acts as a steering damper. Damper valves are arranged on hydraulic lines between the servomotor and servo valve. In order to compensate the temperature-dependent viscosity of the hydraulic medium, throttle elements of the damper valves cooperate with spring arrangements operating as a function of temperature (bimetallic springs, springs consisting of form memory alloy).

Abstract: In a damper valve for use in a steering damper arrangement of a motor vehicle having a hydrostatic displacement motor for operating the vehicle steering mechanism wherein hydraulic fluid lines extending between the hydraulic motor and a servo-valve include the damper valve, the damper valve has a throttling arrangement which permits fluid flow in one direction and limits fluid flow in the opposite direction but permits essentially unlimited fluid flow in both directions as long as the pressure difference across the damper valve is below a predetermined threshold value so as to permit unrestricted normal steering movements of the vehicle steering system, but dampen shock movements thereof.

Abstract: A safety steering column for a motor vehicle comprising a multi-member steering spindle, of which a portion close to the steering wheel is guided in a steering column tube which is fastened on a cross member largely unaffected in the case of a front collision. A portion of the steering spindle located close to the steering gear is constructed as a deformation member for absorbing an axial displacement of the steering gear. The deformation member is hinged on at one end to the portion of the steering spindle close to the steering wheel and is hinged on the other end to the input shaft of a steering gear. The input shaft of the steering gear has a desired bending point which is designed such that, when the steering gear in the direction of the passenger compartment such as during an accident, first the axial displacement path of the deformation member is largely used up before a buckling deformation starts at the desired bending point.