Abstract: An adjustable mechanism for a motor vehicle is used to adjust an adjustable element in a motor vehicle, especially a seating part. The mechanism includes a spindle nut comprising an axis, the spindle nut co-operating with a thread spindle and comprising external toothing on the external surface thereof which is in contact with an additional drive element. The external toothing of the spindle nut is formed by recesses in the external surface of the spindle nut which are inwardly turned in a radial manner, the teeth depths thereof diminishing in the direction of at least one axial end of the spindle nut.

Abstract: A vehicle seat comprises a seat part, a backrest part and a least one fitting which connects the backrest part with the seat part pivotally about a pivot axis and in a locked condition is formed to hold the backrest part in position to the seat part, and in an unlocked condition is formed to permit pivoting of the backrest part relative to the seat part. For actuating the at least one fitting, a first actuating element and a second actuating element different from the first actuating element are provided. Via a coupling element, the second actuating element is coupled with a fitting lever, wherein by shifting the second actuating element the fitting lever is movable for actuating the at least one fitting. The coupling element and the fitting lever are coupled with each other via a first connecting means and a second connecting means.

Abstract: A method for positioning a brushless electric drive comprising a stator that has at least one phase winding to which a voltage signal can be applied, and a rotor equipped with magnetic poles. In the method, a voltage signal is applied to the at least one phase winding, the voltage signal generates a magnetic field as a result of the current flowing in the phase winding. The magnetic field putting the rotor into alignment, and as long as the rotor is in motion, the voltage signal is modified in accordance with the intensity of the current induced in the at least one phase winding by the moving rotor, in such a way that the induced current is increased.

Abstract: The invention relates to a method for actuating a closure element arrangement in a motor vehicle, wherein the closure element arrangement has a closure element, a drive arrangement associated with the closure element, a control arrangement and a sensor arrangement having at least one sensor element that is particularly in the form of a proximity sensor, wherein operator control event monitoring involves the control arrangement being used to monitor the sensor measured values from the sensor arrangement for whether there is a predetermined operator control event, and the result of the operator control event monitoring is taken as a basis for actuating the drive arrangement, the mechanical configuration of the motor vehicle being able to be altered by an adjusting process and/or by a fitting process during use based on normal operation.

Abstract: The invention relates to a drive arrangement for the motorized adjustment of an adjustment element of a vehicle, wherein at least one drive comprising an electric drive motor and a drive control means and is connected to a supply, wherein the drive is designed in a non-self-locking manner, the drive motor operates as a generator and generates a generator voltage, wherein the drive control means has a driver unit for supplying electrical power to the at least one drive. The invention proposes that the drive control means has a switching device and has a detection device for detecting a non-motorized adjustment of the adjustment element, and that the drive control means, when a predetermined, non-motorized adjustment of the adjustment element is detected, connects the supply voltage to the supply connections of the driver unit by means of the switching device in one switching operation.

Abstract: An electric motor having a housing with a housing interior and also with an electronics compartment for a motor electronics system is provided. The housing has a housing base and a housing wall. The electronics compartment is arranged between the housing wall and a housing cover. The housing cover has a ventilation opening for venting the housing interior. The electronics compartment has a ventilation channel which is routed into the housing interior via the housing wall and has a channel connection piece which issues into the ventilation opening of the housing cover and is closed by an air-permeable diaphragm.

Abstract: The invention relates to a stator for an electric motor having a base body composed of stator laminates which are axially in layers with respect to a motor axis and having a number of frame-like coil formers which are fitted with stator windings, with the coil cross-sectional surfaces of said frame-like coil formers essentially being directed at the motor axis. It is proposed that in order to fit them, the coil formers can first of all be placed obliquely with respect to a final position on coil former holders of the base body and can then be aligned in the final position, and in that the arrangement is designed such that the alignment involves axial bracing of the stator laminates.

Abstract: The invention relates to a method for operating a flap arrangement of a motor vehicle, wherein the flap arrangement has a flap wing and a control arrangement, wherein a flap drive which is assigned to the flap wing and by which the flap wing can be adjusted between a closed position and an open position in an adjustment process is provided, wherein at least one predetermined flap operator control event is detected by means of the control arrangement and the flap drive is actuated as a technical control reaction to a flap operator control event. It is proposed that by means of the control arrangement the technical control reaction of stopping or continuing an adjustment process, which is due to two successive flap operator control events, is suppressed if at least one suppression condition is detected.

Abstract: A device electrically contacts an electrically activatable functional layer of a vehicle windowpane that is adjustable by a windowpane driver. The device has the windowpane driver with at least two first contact elements for the transmission of control signals to the functional layer. In an as-intended installed state, the first contact elements are in electrical contact directly with at least two corresponding first contact points of the functional layer or of a windowpane holder directly securing the vehicle windowpane.

Abstract: A longitudinal guide for vehicle seats, comprising a lower rail, an upper rail supported thereon to be displaceable in a longitudinal direction, wherein each upper rail and lower rail has an L-shaped region, if viewed in profile, formed by a base leg and an L-leg projecting from the base leg substantially perpendicularly, and two end regions respectively connected to the L-shaped region. Each elongate rail includes a first bearing area and a second bearing area for guiding means, which are biased to each other and formed by opposite end portions of the respective upper rail and portions of the associated lower rail. Embossments are formed at both ends of the base leg of the upper rail by cold work forming, with a smaller radius of curvature to effect higher stiffness of the longitudinal rail, particularly in event of a crash. Further embossments may be provided for an even higher stiffness.

Abstract: A capacitive distance sensor is provided having an elongated sensor element. The sensor element comprises a cylindrical carrier body, which is made of an electrically non-conductive material and has a round cross-sectional areas, and a sensor area which substantially surrounds the carrier body in the manner of a sheath and is made of an electrically conductive material.

Abstract: A spindle drive for longitudinally adjusting a motor vehicle seat is provided. The spindle drive comprising an adjustment rail that can be longitudinally adjusted relative to a body mounted rail and an adjusting mechanism that includes a driving worm connected to a driving device as well as a spindle nut, the external teeth of which mesh with the external teeth of the driving worm, and the internal teeth of which mesh with the external thread of a spindle. The spindle nut is formed by a hybrid spindle nut that has a functional part, which is located in the force flux between the driving worm and the spindle, and at least one strengthening part, deflecting crash forces from the adjustment rail into the spindle.

Abstract: A method for determining the position of an at least two-phase, in particular three-phase bmshless electric drive comprising at least two phase windings, each of which has a first and a second terminal, a second terminal of a first phase winding being electrically connected to the first terminal of a second phase winding at a common connecting terminal. In order to be able to reliably determine the position of the electric drive even at low speeds, a voltage pulse is applied between the first terminal of the first phase winding and the second terminal of the second phase winding, the resulting voltage at the connecting terminal or at a third phase winding connected thereto is detected and the voltage ratio between the first phase winding and the second phase winding is determined therefrom, and the ratio between the variable inductances is determined from said voltage ratio.

Abstract: An electric motor for moving a vehicle part, the electric motor having a stator with a stator housing, a drive shaft rotatable with respect to the stator, a rotor on the drive shaft and having a rotor winding, a commutator on the drive shaft for supplying an electric current to the rotor winding, at least two brushes mounted on the stator housing, the brushes in sliding contact with the commutator for supplying electric current to the rotor winding, a bushing mounted on the drive shaft adjacent to the commutator, and a cone element mounted on the drive shaft adjacent to the bushing on a side of the bushing facing away from the commutator, the cone element having an outer surface which conforms to the shape of a cone concentrical to the drive shaft and having a tip pointing away from the bushing.

Abstract: A vehicle seat comprises a seat part, a backrest part and at least one fitting which connects the backrest part with the seat part pivotally about a pivot axis and is formed to hold the backrest part in position to the seat part, when it is in a locked condition, and to permit pivoting of the backrest part relative to the seat part, when it is in an unlocked condition. An actuating shaft connected with the at least one fitting, which extends along a longitudinal axis, can be pivoted about its longitudinal axis for actuating the at least one fitting. An actuating element for pivoting the actuating shaft is connected with the actuating shaft via a pulling means. A force introduction means is provided, which is arranged on the actuating shaft and includes a first lever arm and a second lever arm, wherein the pulling means engages the first lever arm and the second lever arm, in order to introduce an actuating force into the actuating shaft.

Abstract: A method and a device for operating a closed-loop or open-loop speed-controlled electric motor of a fan drive, which motor is connected to an on-board system voltage of a motor vehicle and the motor speed of which is set to a defined first desired speed, wherein, if the on-board system voltage fluctuates, the motor speed is set to a desired speed that is lower compared with the first desired speed.

Abstract: A rotor blade set for an electric motor, having a plurality of axially assembled multi-part and/or single-part blades having circle segment shaped blade sections, between which radial and circumferentially open recesses are formed for receiving a respective magnet, wherein a predeterminable number of blade sections of the single-part or multi-part blades have at least one azimuthal clip on the circle radius, which clip bends axially during the insertion of the corresponding magnet into the respective recess, and wherein the circle segment-shaped blade sections of the single-part or multipart blades have at least one notch on the circle radius, in which notch a corresponding clip of a blade section of an axially spaced blade engages following the axial bending.

Abstract: A method measures a capacitance. According to the method, a first detection measurement for the capacitance which is to be measured is detected by a first measurement method during a first measurement phase. In this case, a second measurement phase is started when the first detection measurement satisfies a transition criterion. A second detection measurement for the capacitance which is to be measured is detected during the second measurement phase by a second measurement method which differs from the first measurement method. The second measurement method has higher measurement accuracy than the first measurement method but also greater energy expenditure.

Abstract: The invention relates to a drive arrangement for the motorized adjustment of a closure element of a motor vehicle, wherein the drive arrangement, in the installed state, is coupled in drive terms to the closure element. It is proposed for the drive arrangement to have at least one drive, which is intended for generating drive movements and in or on which is arranged an acoustic indicator for supplying acoustic feedback to the user.

Abstract: A spindle drive for an adjusting element of a motor vehicle includes a drive motor with a spindle-spindle nut gear arranged downstream for producing a drive force along a geometric spindle axis. Two connectors are provided for transferring the drive force and at least one connector includes a ball joint with a ball socket and an assigned ball. The ball socket includes a ball socket housing with a connecting piece. It is proposed that the ball socket in the ball socket housing has a damping shell and a bearing shell in the damping shell for the positive engagement with the ball so that the flux of force for the drive force passes via the damping shell and the bearing shell.