A fan assembly includes a base with multiple layers with at least one layer formed from a relatively lightweight material to reduce the overall weight of the fan assembly. The base may include multiple metal layers and one or more core layers positioned between the metal layers. At least one of the core layers may include a PCB used to route electrical signals between components of the fan assembly and/or between components of an electronic device in which the fan assembly is positioned. Alternatively, at least one of the core layers may include a lightweight material (e.g., plastic) with a channel used to receive a flexible circuit. The base, having layers of different materials, may be lighter in weight as compared to a base consisting of a metal layer (or metal layers), while also substantially retaining flexural stiffness to counter against applied forces to the base.

An electric motor, at least having a stator and an annular rotor which are arranged next to one another along an axial direction; wherein the stator has a plurality of stator teeth which are arranged next to one another along a circumferential direction and which each extend along the axial direction At least one coil has at least one turn is arranged on each stator tooth, wherein the at least one turn is electrically conductively connected to a printed circuit board. The printed circuit board is arranged on an end side of the stator and next to the stator along the axial direction. The printed circuit board comprises a plurality of electrical connecting lines via which the at least one turn of each coil is connected at least to other turns or to an electrical connection of the motor.

A stator of an electric motor includes a stator core having a plurality of teeth. A printed circuit board (PCB) is fixed with respect to the stator and includes a plurality of soldering structures defined within a surface of the printed circuit board. A winding set is disposed on the teeth. The winding set includes at least one wire that is wound around the teeth to at least partially define stator poles. Each wire of the winding set includes opposing ends that are attached to the printed circuit board at a dedicated soldering structure of the plurality of soldering structures.

A power module includes a insulation substrate, a first and a second input terminal supported by the insulation substrate, a plurality of arm circuits provided on the insulation substrate, and a plurality of output terminals corresponding to the plurality of arm circuits. The arm circuits each include a part of a wiring pattern formed on the insulation substrate, and a first switching element and a second switching element mutually connected in series via the part of the wiring pattern. The output terminals are each connected to a connection point between the first switching element and the second switching element in a corresponding one of the plurality of arm circuits. The plurality of arm circuits are located so as to overlap with a circle surrounding the first input terminal, as viewed in a thickness direction the insulation substrate.

An electronic module for a powered apparatus includes a circuit board comprising conductive pads coupled to a power source and a sense portion including a first output pad and a second output pad; and a variable-speed actuator assembly including an actuator and a conductive wiper moveable in sliding contact with the circuit board. The wiper includes a first leg arranged to slidably engage the sense portion and a second leg arranged to slidably engage at least one of the conductive pads. The first output pad and the second output pad are longitudinally aligned with the conductive pads. The first output pad outputs a first voltage signal indicative of an ON state of the powered apparatus and the second output pad and the second output pad outputs a second voltage signal indicative of a desired operational speed of the powered apparatus.

A mechanical component for electrical contact configured to be fastened both to an electronic board and to an electrical terminal of a stator part of an electric motor of a motor-fan assembly of a heating, ventilation and/or air conditioning installation of a motor vehicle. The mechanical component includes a portion for fastening to the electronic board, configured to be inserted and soldered in a complementary hole in the electronic board, and at least two support tabs configured to rest against the electronic board and arranged on an opposite side of the mechanical component from said fastening portion with respect to a plane normal to the electronic board extending between the support tabs and the fastening portion when the mechanical component is mounted on the electronic board.

A light ranging system including a shaft having a longitudinal axis; a light ranging device configured to rotate about the longitudinal axis of the shaft, the light ranging device including a light source configured to transmit light pulses to objects in a surrounding environment, and detector circuitry configured to detect reflected portions of the light pulses that are reflected from the objects in the surrounding environment and to compute ranging data based on the reflected portion of the light pulses; a base subsystem that does not rotate about the shaft; and an optical communications subsystem configured to provide an optical communications channel between the base subsystem and the light ranging device, the optical communications subsystem including one or more turret optical communication components connected to the detector circuitry and one or more base optical communication components connected to the base subsystem.

An electronic assembly includes a first electronic component, a second electronic component, and a primary circuit board. The first electronic component is provided with a first secondary circuit board, the second electronic component is provided with a second secondary circuit board, the first secondary circuit board is electrically connected to the primary circuit board by using a first electrical connector, interlayer space is formed between the first secondary circuit board and the primary circuit board, a portion of the second secondary circuit board that enters the interlayer space overlaps the first secondary circuit board and is electrically connected to the primary circuit board by using a second electrical connector, the first electrical connector is located between the first secondary circuit board and the primary circuit board, and the second electrical connector is located between the second secondary circuit board and the primary circuit board.

An apparatus may include a host circuit board supporting a heat-producing electronic component, a rotor for an axial flux motor, and fan blades supported by the rotor. The host circuit board may include traces forming windings for the axial flux motor. The rotor may be supported by and rotatable relative to the host circuit board to generate a flow of cooling fluid to cool the first heat-producing electronic component.

An electronic module for a powered apparatus includes a circuit board comprising conductive pads coupled to a power source and a sense portion including a first output pad and a second output pad; and a variable-speed actuator assembly including an actuator and a conductive wiper moveable in sliding contact with the circuit board. The wiper includes a first leg arranged to slidably engage the sense portion and a second leg arranged to slidably engage at least one of the conductive pads. The first output pad and the second output pad are longitudinally aligned with the conductive pads. The first output pad outputs a first voltage signal indicative of an ON state of the powered apparatus and the second output pad and the second output pad outputs a second voltage signal indicative of a desired operational speed of the powered apparatus.