Abstract: The present invention relates to a linear drive (1) having a drive shaft (10) along a longitudinal axis (X), at least two propelling teeth (20), and at least one gear rack (30) comprising a plurality of teeth (31), wherein the propelling teeth (20) are reciprocatingly movable perpendicularly to the longitudinal axis (X) and are drivingly connected to the drive shaft (10) such that said at least two propelling teeth (20) carry out at least one cyclical reciprocating movement (21) during the course of one rotation (?) of the drive shaft (10), dipping into and out of the at least one gear rack (30) in order to produce propelling motion along the longitudinal axis (X), and wherein the cyclical reciprocating movement (21) of the at least two propelling teeth (20) have phase shifts (??). Furthermore, the present invention relates to a longitudinal-adjustment unit as well as to a motor vehicle coprising such a longitudinal-adjustment unit.

Abstract: The present invention relates to a linear drive (1), comprising a drive shaft (10) arranged along a longitudinal axis (X), at least two propulsion teeth (20), and at least one rack (30) having a plurality of teeth (31), wherein the propulsion teeth (20) can move in a stroke transversely to the longitudinal axis (X) and are drivingly coupled to the drive shaft (10) in such a manner that the at least two propulsion teeth (20) perform at least one cyclical stroke movement (21) in the course of one rotation (?) of the drive shaft (10) and enter and exit the at least one rack (30) to generate a propulsion in the longitudinal axis (X), and wherein the cyclical stroke movement (21) of the at least two propulsion teeth (20) takes place with a phase shift (??). In addition, the present invention relates to a longitudinal adjustment unit and to a motor vehicle having such a longitudinal adjustment unit.

Abstract: The present invention relates to a linear drive (1), comprising a drive shaft (10) that can be rotated about a longitudinal axis (X), at least one propulsion element (20) having a propulsion tooth (21), a rack (30), and at least one guide means (40), wherein the at least one propulsion element (20) is coupled to the drive shaft (10) in such a way that the propulsion tooth (21) of said element is pressed into the rack (30) in a cyclical movement (21) during a rotation of the drive shaft (10) about the longitudinal axis (X) to generate an advance, and wherein, when the propulsion tooth (21) of the at least one propulsion element (20) is pressed into the rack (30), the at least one guide means (40) forms an abutment which counteracts the rack (30) for the at least one propulsion element (20). In addition, the present invention relates to a longitudinal adjustment unit and a motor vehicle.

Abstract: The present invention relates to a linear drive (1), comprising a drive shaft (10) arranged along a longitudinal axis (X), at least two propulsion teeth (20), and at least one rack (30) having a plurality of teeth (31), wherein the propulsion teeth (20) can move in a stroke transversely to the longitudinal axis (X) and are drivingly coupled to the drive shaft (10) in such a manner that the at least two propulsion teeth (20) perform at least one cyclical stroke movement (21) in the course of one rotation (?) of the drive shaft (10) and enter and exit the at least one rack (30) to generate a propulsion in the longitudinal axis (X), and wherein the cyclical stroke movement (21) of the at least two propulsion teeth (20) takes place with a phase shift (4). In addition, the present invention relates to a longitudinal adjustment unit and to a motor vehicle having such a longitudinal adjustment unit.

Abstract: The present invention relates to a linear drive (1) having a drive shaft (10) along a longitudinal axis (X), at least two propelling teeth (20), and at least one gear rack (30) comprising a plurality of teeth (31), wherein the propelling teeth (20) are reciprocatingly movable perpendicularly to the longitudinal axis (X) and are drivingly connected to the drive shaft (10) such that said at least two propelling teeth (20) carry out at least one cyclical reciprocating movement (21) during the course of one rotation (?) of the drive shaft (10), dipping into and out of the at least one gear rack (30) in order to produce propelling motion along the longitudinal axis (X), and wherein the cyclical reciprocating movement (21) of the at least two propelling teeth (20) have phase shifts (??). Furthermore, the present invention relates to a longitudinal-adjustment unit as well as to a motor vehicle coprising such a longitudinal-adjustment unit.

Abstract: A charging robot for charging an electrical energy store of a vehicle, includes a supporting structure, at least one wheel which is fastened rotatably to the supporting structure, a drive unit which is fastened to the supporting structure and with which the wheel can be driven, a first receiving compartment which is fastened to the supporting structure or is formed by the supporting structure, and a second receiving compartment which is fastened to the supporting structure or is formed by the supporting structure. The first receiving compartment and the second receiving compartment are arranged next to each other. A lifting device is arranged in the first receiving compartment and has a contact portion fastened thereto. The contact portion is connectable in an electrically transmitting manner to a mating contact portion of the vehicle. A charging cable is conductively connected to the contact portion.

Abstract: The present invention relates to a linear drive (1), comprising a drive shaft (10) that can be rotated about a longitudinal axis (X), at least one propulsion element (20) having a propulsion tooth (21), a rack (30), and at least one guide means (40), wherein the at least one propulsion element (20) is coupled to the drive shaft (10) in such a way that the propulsion tooth (21) of said element is pressed into the rack (30) in a cyclical movement (21) during a rotation of the drive shaft (10) about the longitudinal axis (X) to generate an advance, and wherein, when the propulsion tooth (21) of the at least one propulsion element (20) is pressed into the rack (30), the at least one guide means (40) forms an abutment which counteracts the rack (30) for the at least one propulsion element (20). In addition, the present invention relates to a longitudinal adjustment unit and a motor vehicle.

Abstract: A method for correcting a time-dependent measurement signal generated by means of an electric motor coupled on the output side to a transmission with regard to the influence of a variable output load and a variable rotational speed includes: tapping a time-varying measurement signal which is dependent on a torque of the motor transmission unit; generation of a useful signal, which is free of any DC component, from the measurement signal; interval-by-interval determination of RMS values from the measurement signal; generation of a load-corrected useful signal by an interval-by-interval division of the useful signal, which is free of any DC component, by the interval-specific RMS values; time-resolved determination of the rotational frequency of the motor from the measurement signal; scaling the load-corrected useful signal to the mean rotational frequency to generate a corrected measurement signal, and, use of the corrected measurement signal for fault detection of the motor transmission unit.

Abstract: The present invention relates to a longitudinal seat adjustment device (1), comprising a rail (10) running along a longitudinal axis (X), a slide (20) with an electric drive device (40), by means of which the slide can be moved along the longitudinal axis (X) of the rail (10), and a first control unit (15) and a second control unit (25), wherein the first control unit (15) is fixedly connected to the rail (10) and the second control unit (25) is arranged on the slide (20), wherein the first control unit (15) and the second control unit (25) are connected via an electrical conductor (50) which can be energized by a voltage source (4) with a supply voltage (S1), wherein the second control unit (25) can control the drive device (40), and wherein the first control unit (15) and the second control unit (25) communicate via a communication signal (S2) that can be modulated to the supply voltage.