Abstract: A printed circuit board connecting device (1) for connecting printed circuit boards (3, 5) includes a non-conductive plate (21) having a top side and a bottom side, and a plurality of interface connections (23) which are arranged in the plate (21) so as to be spaced apart from one another. Each interface connection (23) has grouped-together conductors (41) which extend through the plate (21) and which are laterally enclosed by the plate material and the end regions of which protruding on the top side and lower side from the plate (21) can be fixed to interfaces (13) of two printed circuit boards (3, 5) to be connected. Therefore, the conductors (41) form both a mechanical and an electrical connection between the interfaces (13) of the printed circuit boards (3, 5).

Abstract: An assembly. The assembly includes a first element and a second element, wherein the elements are fastened to one another in such a way that they together enclose an assembly interior, and wherein an electrically conductive cable protrudes into the assembly interior through a cable passage formed between the elements. For forming a particle seal assigned to the cable passage, at least one of the elements has at least one projection, which projects in the direction of the other element and presses the cable against the other element.

Abstract: An inductive sensor arrangement for detecting a movement of a movable body includes a movable coupling device coupled to the movable body and a measured-value detection device comprising a circuit carrier with an exciter structure and a receiving structure. The exciter structure is coupled to an oscillator circuit which, during operation, couples a periodic alternating signal into the exciter structure. The movable coupling device is designed to influence an inductive coupling between the exciter structure and the receiving structure. An evaluation and control unit is designed to evaluate signals induced in the receiving structure and to determine a measurement signal for a current position of the movable body. The receiving structure comprises a receiving coil having at least one periodically repeating loop structure, each structure designed as a superposition in the angular direction of a sinusoidal fundamental wave and of at least one harmonic wave of the sinusoidal fundamental wave.

Abstract: An inductive position sensor includes (i) a coupling element which can be arranged on a movable element, (ii) at least one sensor unit for detecting a position of the coupling element, the sensor unit having at least one controllable transmitter coil for generating electromagnetic waves and at least one receiver coil for detecting the electromagnetic waves generated by the transmitter coil and influenced by the coupling element, and (iii) a printed circuit board having a plurality of layers. The coils of the sensor unit are formed on the printed circuit board. The transmitter coil and the receiver coil are distributed on the layers of the printed circuit board in such a way that at least some sections of the transmitter coil are axially opposite the receiver coil with respect to an axis oriented perpendicularly to the printed circuit board.

Abstract: An inductive position sensor device for detecting the position of a coupling element which can be arranged on a movable actuator element of an electric machine is disclosed. The inductive position sensor device includes (i) at least one transmitter coil for generating electromagnetic waves, (ii) at least one receiver coil for detecting the electromagnetic waves which are generated by the transmitter coil and are influenced by the actuator element, and (iii) a computing unit which is designed to actuate the transmitter coil and evaluate the electromagnetic waves detected by the receiver coil in order to determine the position. The coils are arranged on a front face of a common printed circuit board, and the computing unit is arranged on a rear face of the common printed circuit board. The coils are electrically connected to the computing unit by connection lines which extend along the printed circuit board and through the printed circuit board. The connection lines run substantially parallel to one another.

Abstract: A printed circuit board connecting device (1) for connecting printed circuit boards (3, 5) includes a non-conductive plate (21) having a top side and a bottom side, and a plurality of interface connections (23) which are arranged in the plate (21) so as to be spaced apart from one another. Each interface connection (23) has grouped-together conductors (41) which extend through the plate (21) and which are laterally enclosed by the plate material and the end regions of which protruding on the top side and lower side from the plate (21) can be fixed to interfaces (13) of two printed circuit boards (3, 5) to be connected. Therefore, the conductors (41) form both a mechanical and an electrical connection between the interfaces (13) of the printed circuit boards (3, 5).

Abstract: A heating device for heating an airflow in a motor vehicle is described, with a plurality of heating rods, which have connection plates made of aluminium, or an aluminium-based alloy, and a circuit board, which carries a control circuit, to which the heating rods are connected by way of busbars. In accordance with this disclosure, provision is made for the busbars to have a body made of aluminium, or an aluminium-based alloy, which establishes contact with the heating rods by means of a welded connection, and an end piece made of copper, or a copper-based alloy, which establishes contact with the circuit board by means of a plug-in connector.

Abstract: A flow heater for vehicles is described. The flow heater has a housing, which has an inlet and an outlet. A flow channel for fluid to be heated is disposed in the housing and leads from the fluid inlet to the fluid outlet. A heating plate forms a wall of a heated section of the flow channel and carries an electric heating resistor. A calorimetric flow sensor is provided for measuring a fluid flow in the flow channel.

Abstract: What is described is a mounting aid for mounting electrical components, in particular electrolytic capacitors or chokes, on a printed circuit board, said mounting aid comprising a body, which has compartments for receiving the electrical components, wherein the compartments have a base with openings for the insertion of connection wires of the electrical components, and metal parts fastened to the body, which metal parts each form at least one contact pin on the underside of the body and each from a busbar for connection to electrical components in a plurality of compartments of the body.

Abstract: Contact assembly for high-current applications, comprising an electric circuit board (3); a non-flexible conductor rod (1) protruding in a longitudinal direction, the conductor rod (1) transmitting an electric current of more than 30 Ampere, in particular more than 50 Ampere, between the circuit board (3) and an electric device; and a receiving member (2), the receiving member (2) being fixed to the circuit board (3); wherein the receiving member (2) holds the conductor rod (1) and transmits the current between the conductor rod (1) and the circuit board (3); wherein the receiving member (2) comprises a plurality of elastically deformable tongues (5), the tongues (5) being arranged circumferentially about the conductor rod (1) and providing for a mechanical support as well as an electric contact between the conductor rod (1) and the receiving member (2).

Abstract: A thermal fuse for an electrical circuit is described, with a contact arm by way of which two electrical conductors are electrically conductively connected to each other, wherein the connection of the contact arm to at least one of the two conductors is a soldered joint, which loses its strength when a activation temperature of the fuse is reached. In accordance with this disclosure a permanent magnet is provided, which generates a magnetic force, which lifts the contact arm from at least one of the two conductors as soon as the soldered joint loses its strength.

Abstract: A thermal fuse for an electrical circuit is described, with a contact arm by way of which two electrical conductors are electrically conductively connected to each other, wherein the connection of the contact arm to at least one of the two conductors is a soldered joint, which loses its strength when a activation temperature of the fuse is reached. In accordance with this disclosure a permanent magnet is provided, which generates a magnetic force, which lifts the contact arm from at least one of the two conductors as soon as the soldered joint loses its strength.

Abstract: Contact assembly for high-current applications, comprising an electric circuit board (3); a non-flexible conductor rod (1) protruding in a longitudinal direction, the conductor rod (1) transmitting an electric current of more than 30 Ampere, in particular more than 50 Ampere, between the circuit board (3) and an electric device; and a receiving member (2), the receiving member (2) being fixed to the circuit board (3); wherein the receiving member (2) holds the conductor rod (1) and transmits the current between the conductor rod (1) and the circuit board (3); wherein the receiving member (2) comprises a plurality of elastically deformable tongues (5), the tongues (5) being arranged circumferentially about the conductor rod (1) and providing for a mechanical support as well as an electric contact between the conductor rod (1) and the receiving member (2).

Abstract: The invention relates to a vehicle heater, comprising at least one pipe, which has a plurality of chambers, ceramic heating elements, which are arranged in the chambers, and contact plates, which rest against the heating elements in the chambers via a front side and face an upper side or underside of the chamber via a rear side, wherein at least two chambers of the pipe are separated by an intermediate wall, which runs from the upper side to the underside of these two chambers. The contact plates have a slit, in which the intermediate wall is arranged.

Abstract: What is described is a connection element for fastening a metal part to a printed circuit board, wherein the connection element has a first portion, which is formed as a press-fit pin to be pressed into a bore of the printed circuit board, and a second portion, which is formed as a screw to be screwed into the metal part.

Abstract: What is described is a mounting aid for mounting electrical components, in particular electrolytic capacitors or chokes, on a printed circuit board, said mounting aid comprising a body, which has compartments for receiving the electrical components, wherein the compartments have a base with openings for the insertion of connection wires of the electrical components, and metal parts fastened to the body, which metal parts each form at least one contact pin on the underside of the body and each from a busbar for connection to electrical components in a plurality of compartments of the body.

Abstract: What is described is a connection element for fastening a metal part to a printed circuit board, wherein the connection element has a first portion, which is formed as a press-fit pin to be pressed into a bore of the printed circuit board, and a second portion, which is formed as a screw to be screwed into the metal part.

Abstract: Disclosed is a printed circuit board having at least one power semiconductor soldered thereon and, as a thermal fuse, a spring having two contact arms fastened to solder pads of the printed circuit board by soldered connections. The spring is under mechanical stress such that at least one of the two contact arms moves away from one of the solder pads by spring force as soon as the soldered connection loses its strength and fails due to overheating. The soldered connection of at least one of the contact arms loses its strength at a lower temperature and is formed from a different alloy than the soldered connection that connects the power semiconductor to the printed circuit board. A method for populating a printed circuit board is also described.

Abstract: What is described is a method for manufacturing an electrical heating device, wherein electrical heating resistors are disposed in tubes of an extruded profile, and openings are cut into a plate of the extruded profile connecting the tubes. According to this disclosure, fastening sections of the extruded profile are plastically deformed and, by means thereof, heat sinks are fastened on the extruded profile. A corresponding electrical heating device is also described.

Abstract: The invention relates to a continuous-flow heater having a housing, which comprises an inlet opening and an outlet opening, and a heater housing, which comprises at least one tubular chamber, in which at least one heating element is arranged. In accordance with this disclosure a plurality of ribs are arranged on a front side and a rear side of the heater housing, said ribs defining, between themselves, flow channel portions for liquid to be heated.