Siemens Aktiengesellschaft

Volkswagen Ag

Daimler-benz Ag

Werner Freise

Helmut Schmidt

Udo Winter

Klaus Zaps

Wolfgang Weinhold

Stefan Herzig

Rainer Miersch

Andreas Rundkowski

Herbert Fischer

A claw-pole machine has a stator and a rotor, and an exciter coil that is wound on a solid core in the rotor. The solid core extends in the radial direction into two claw magnet wheels that end in a plurality of claw-pole fingers, having a plurality of solid, radially-outward-oriented parts, and has a plurality of tangential side surfaces, which alternate axially, starting from two sides, wherein a plurality of U-shaped metal sheets are attached to the solid, radially-outward-oriented parts of the claw-pole fingers. The U-shaped metal sheets are layered one on top of the other in the axial direction to prevent eddy currents.

Claw-pole machine

An arrangement for compensating for alternating torques and reducing vibrations in the drive train of a motor vehicle includes three flywheel masses and two clutches in a common housing and integrates an electromechanical converter capable of being operated as an electric motor and as an generator. The first two flywheel masses are arranged in the manner of a dual-mass flywheel for the purpose of reducing the vibrations capable of being transmitted into the transmission by the crankshaft and the third flywheel mass is driven from the first flywheel mass through planet wheels so that it rotates in the direction opposite to the direction of rotation of the crankshaft. The third flywheel mass is formed, on its radially outer circumference as a rotor for an electromechanical converter and can be disconnected from the crankshaft by a clutch positioned between the planet wheels and the second flywheel mass while the other clutch serves as driving clutch.

Arrangement for compensating alternating torques and vibrations in a

Motor and/or generator operating according to the reluctance principle

A stator-excited synchronous machine with an unwound, toothed rotor has a stator which is subdivided into sectors each of which is wound with an excitation winding. Permanent magnets are disposed between the stator sectors tangentially. The permanent magnets' magnetic fields in the stator sector yokes are directed in the circumferential direction, opposite to those of the adjoining excitation windings.

Heteropolar excited synchronous machine

For an internal combustion engine, such as a motor vehicle engine, operating on the principle of 'flywheel utilization' an electromagnetic unit can be used both as a starter motor and as a generator. In addition, this unit is easily adaptable to the given flywheel dimensions and it involves as low a cost as possible for the controlling semiconductor components and for the exciter power. The invention proposes, among other things: (a) a stator with several independent sector stators arranged at tangential distance from each other, with pairs of toothed sector stator elements arranged at an axial distance a one behind the other and each having a radially projecting pole shank connected together by a flux return yoke; (b) a rotor with two rows of teeth mutually offset 'tooth on gap' on the circumference of the clutch flywheel; and (c) use of MOS transistors for the electrical commutating of motor operation, the inverse diodes of which are utilized as rectifier elements in generator operation.

Motor/generator operating on the reluctance principle

Growing community of inventors

Kaiserslautern, Germany

Werner Freise