摘要:
A device which determines a condition of at least one wiper blade of a motor-vehicle windshield wiper. The device includes a rain sensor controlling the motor-vehicle windshield wiper and being utilized for determining the condition of the wiper blade. The device also includes an evaluation circuit receiving data from the rain sensor. The evaluation circuit evaluates wear and tear of a rubber wiper element of the wiper blade based on one of a slow and continuous change of the data and a quick and continuous change of the data provided by the rain sensor.
摘要:
An adsorption filter is linked to the atmosphere by a breather line to prevent condensates from settling in the shut-off valve, as they flow through the breather, so that this valve becomes unable to function. The breather has a vertical arrangement of the shut-off valve with a magnetic circuit arranged above the valve operative parts to ensure that any condensate which forms can flow off, without impairing the function of the shut-off valve (51, 51'). The breather is particularly suitable for internal combustion engines in motor vehicles.
摘要:
The invention relates to an electric motor assembly, particularly for driving a fan for an engine cooling system and/or an air conditioner of a motor vehicle, comprising an electric motor and a motor control device for activating the electric motor. According to the invention, the motor control device can be adjusted according to a characteristic curve (1,2,3,4) of the electric motor and/or of the fan, and thereby the power and/or rotational speed of the electric motor can be adjusted.
摘要:
To achieve an effective dissipation of the heat generated by the power components including a design that is as compact as possible as well as simple assembly in the case of an electronic control unit having a printed circuit board situated in a closed housing and provided with electrical and/or electronic components, and having, arranged at the housing, at least one connector part whose contact elements, which are partially embedded in the housing, are electrically connected to the printed circuit board, it is proposed that the housing includes a housing frame produced as an injection-molded part and having an open topside and bottom side, metallic conductor strips formed by at least one punched grid being partially embedded in the housing frame. Furthermore, it is also proposed that the bottom side of the housing frame is closed by a metallic base part provided as a heat sink, and the topside is closed by a cover part; and that provided between the base part and the printed circuit board are power components, whose leads are in contact with the printed circuit board and/or the conductor strips, and whose underside, which is formed by a cooling plate, and which faces away from the printed circuit board, is connected in a heat conducting manner to the base part.
摘要:
Proposed is a control device (50) for a windshield wiper that serves in actuating a further window wiper. The control device (50), having an inventive embodiment, includes a control (18), whose signal output (20) provides first control signals (42) for actuating the windshield wiper, preferably a front windshield wiper (26) of a motor vehicle, and whose further signal output (22) provides further control signals (42) for actuating a further windshield wiper, preferably a rear window wiper (30).
摘要:
The invention relates to an electric machine, comprising a stator (2), a rotor (3), a split cage (4), which separates a wet region (5) from a dry region (6), control electronics (9) and an interconnection element (7, 8), which produces an electrical contact between the stator (2) and the control electronics (9), wherein the rotor (3) is arranged in the wet region (5), wherein the interconnection element (7, 8) is surrounded at least partially by an insulating element (10), and wherein the insulating element (10) divides the dry region (6) into a first subregion (60), in which the stator (2) is arranged, and a second subregion (61), in which the control electronics (9) are arranged.
摘要:
An electronically commutatable motor is described, the stator field windings of which can be connected to a commutation frequency having a DC supply voltage to generate a rotating field for the permanent magnet rotor and can be disconnected from it, the field windings being switchable via semiconductor output stages which can be activated via control signals with the commutation frequency of a control unit and whose operating conditions change as a function of a specified or specifiable setpoint. The disadvantages of motors with pulse-width-modulated control of the field windings can be avoided with simplified motor control in that the DC supply voltage is supplied to a DC transformer whose output voltage for the semiconductor output stages with the field windings changes as a function of the setpoint and that the control unit fully activates the semiconductor output stages continuously with unclocked control signals with the commutation frequency independently of the setpoint.
摘要:
An optoelectronic sensor 1 for detecting foreign bodies, especially raindrops on a windshield, includes an outer housing part 2 and an inner housing part as well as a fastening device 4, which is glued to a pane 5. A fastening means, for instance comprising two slides 6, is provided, guided in the outer housing part 2, and can be made to engage the fastening device 4 for securing the sensor 1 to the pane 5. In the interior of the sensor 1, the inner housing part, which carries the optoelectronic elements of the sensor 1, is pressed toward the pane 5 with a spring force braced against the outer housing part 2, in order to accomplish the optical coupling with the pane.
摘要:
In the case of a holder for fastening a unit (2), in particular a pump, to a motor vehicle, with an annular damping element (1), the inner region of which is provided for accommodating the unit (2) and which has, on the outside, a block-shaped fastening part (4), under the upper side (14) of which a plate-like insert (8) which is designed for local reinforcement of the damping element (1) is arranged, it is proposed according to the invention that two opposite edges of the insert (8) each have a wing (11) running into the damping element (1). This produces an increased, but limited local minimum rigidity of the holder.
摘要:
In the case of a holder for fastening a unit (2), in particular a pump, to a motor vehicle, with an annular damping element (1), the inner region of which is provided for accommodating the unit (2) and which has, on the outside, a block-shaped fastening part (4), under the upper side (14) of which a plate-like insert (8) which is designed for local reinforcement of the damping element (1) is arranged, it is proposed according to the invention that two opposite edges of the insert (8) each have a wing (11) running into the damping element (1). This produces an increased, but limited local minimum rigidity of the holder.