Robert Boschgmbh

Seg Automotive Germany Gmbh

Gert Wolf

Kurt Reutlinger

Eberhard Rau

Helmut Kreuzer

Thomas Berger

Alexander Shendi

Alexander Mueller

Christoph Schwarzkopf

Gerlinde Weber

Norbert Pfitzke

Alfred Goerlach

Richard Spitz

Klaus Herbold

Paul Mehringer

Helmut Suelzle

Klaus Rechberger

Matthias Burger

Rolf Jaros

Gerhard Walter

Michael Herz

Stefan Einbock

Reinhard Meyer

Roberto Carlos Retana Hernandez

Markus Beck

Steffen Didra

Andre Micko

The invention relates to a stator winding for a transversal flow machine, the stator winding () being embodied as a cord () and said cord () having a plurality of individual wires (). Said stator winding () is embodied as a coil with several windings (), characterized in that one or more windings () are layered in the axial direction or radial direction.

Stator winding for a transverse flux machine and method for the production of a stator winding

Method for producing a stator winding () of an electric machine (), in particular an AC generator, wherein the stator winding () has at least n phase windings (), and one phase winding () has a plurality of directly successive wound coils () with coil sides () and coil side connectors (), wherein the coils () are divided into first coils () and second coils (), with a forming tool (), in which slots (') are provided which are suitable for accommodating the coils (), wherein a first coil () is arranged in a slot (&#x2032;), and a second coil () is arranged in another slot (&#x2032;), characterized in that n&#x2212;1 slots (&#x2032;) are arranged between the first coil () and the second coil ().

Method for producing a stator winding of an electric machine, in particular an AC generator

Method for producing a stator winding () of an electric machine (), in particular an AC generator, wherein the stator winding () has at least n phase windings (), and one phase winding () has a plurality of successive wound coils () with coil sides () and coil side connectors (), wherein the coils () are divided into first coils () and second coils (), with a forming tool (), in which slots () are provided which are suitable for accommodating the coils (), wherein a first coil () is arranged in a slot (), and a second coil () is arranged in the same slot ().

Method for producing a stator winding of an electric machine, in particular for producing an AC generator

An improved power supply unit for a vehicle electrical system of a motor vehicle, which has an a.c. generator, that provides a phase signal, having an excitation coil, a field regulator assigned to the excitation coil and a rectifier having rectifier elements for the rectification of the generator voltage supplied by the a.c. generator. The field regulator has a voltage detection range for the evaluation of the phase signal having a minimum value and a maximum value, the maximum value being adjusted to the nominal voltage of a power supply unit of the motor vehicle.

Power supply unit for a vehicle electrical system of a motor vehicle

The invention relates to a method for producing a stator winding () of an electric machine (), in particular of an alternator, the stator winding () comprising at least n phase windings () and a phase winding () having several directly consecutively wound coils () having coil sides () and coil side connectors (), the coils () being divided into first coils () and second coils (), by means of a forming tool (), in which grooves (') suitable for accommodating the coils () are provided, a first coil () being arranged in one groove (&#x2032;) and a second coil () being arranged in another groove (&#x2032;), characterized in that n&#x2212;1 grooves (&#x2032;) are arranged between the first coil () and the second coil ().

Method for producing a stator winding of an electric machine, in particular for producing an alternator

A rectifier bridge circuit is described for rectifying the phase voltage generated by a generator, including a positive half-bridge having multiple rectifier elements and a negative half-bridge having multiple rectifier elements. The rectifier elements each have a controllable switch having a diode connected in parallel. A control circuit is provided for switching the switches on and off. The switch-on time tand/or the switch-off time tof the switch is/are computed based on a characteristic map or a mathematical function.

Activation of a synchronous rectifier

A method of producing a stator winding for a stator of an electrical machine includes positioning a phase winding segment of the stator winding in a same plane in a serpentine manner in a first direction (X) and in a shape of a wave in a second direction (Y) transverse to the first direction. The method includes bending regions (A, B, C) of the phase winding segment toward one another along a folding line to form a lap winding including positioning regions (C) parallel to each other connected by regions (B) where the regions (B) cross the at least one folding line (). The phase winding is formed with a continuous wire.

Method of producing a stator winding for an electrical machine

High-efficiency Schottky diodes (HED) and rectifier systems having such semiconductor devices are provided, which Schottky diodes (HED) are composed of at least one Schottky diode combined with an additional semiconductor element, e.g., with magnetoresistors (TMBS) or with pn diodes (TJBS), and have trenches. Such high-efficiency Schottky diodes make it possible to construct rectifiers which are suitable for higher temperatures and can therefore be used in motor vehicle generators, without particular cooling measures such as heat sinks being required.

Semiconductor device and rectifier system

An alternating-current generator, in particular a three-phase generator, for a motor vehicle, having a rotor including north and south poles, particularly having claw-pole fingers extending in the axial direction and alternating as north and south poles at the rotor's periphery, a stator having a magnetic core, especially laminated core, having slots and a stator winding disposed in the magnetic core's slots, the stator winding having winding overhangs that are coolable by an approximately radial air flow produced by at least one fan mounted at the rotor, the stator being situated opposite the rotor, and the stator and the rotor having defined positions relative to each other, the multiphase stator winding being made up of winding elements, at least one winding element having more than two sections inserted in slots, and at least one winding element having more than one reversal section which brings about a change in the radial position.

Alternating-current generator having a stator and a stator winding made of winding elements inserted in stator slots and a method for producing a stator of the present invention

An electric machine, in particular an electrically excited claw pole generator for a motor vehicle, is provided, having a stator winding, the phase terminals of which may be connected in the manner of a pentagram to a rectifier system. The stator winding has a five-phase design, phase terminals situated in adjacent slots being interconnected at least once. All of the phase terminals may be interconnected are situated in adjacent slots.

Electric machine

Stator winding () for an electric machine, in particular for a generator of a motor vehicle, the stator winding () being embodied as an ordered stator winding (), and the stator winding () being embodied in at least two axially spaced-apart levels () in a winding head (). The invention also relates to an electric machine and a method for manufacturing a stator winding () of an electric machine.

Electric machine with a multi-level winding

A polyphase electrical machine, in particular, a polyphase generator, includes a stator which features a core body having a circumferential slot pitch, and a winding configuration having a plurality of windings. It is provided that each winding and each slot of the group of slots that extends over one pole pitch is assigned to one of the phases, and the windings have winding sections that lie in assigned slots and between which, in each case, a winding-head connection is formed, the winding-head connections of different windings being disposed radially in layers relative to each other, and the number of phases being five. A method for producing a polyphase electrical machine is also provided.

Polyphase electrical machine

An alternator for motor vehicles, having a rotor, whose poles are developed as claw-poles. In order to improve the design options of the stator of the machine, its multiphase winding is developed as a fractional-slot winding, whereby, in particular with respect to the selection of the number of slots, many additional options are created, by which both the production is made clearly simpler and less costly and, at the same time, the electrical properties are able to be improved.

Alternator for motor vehicles

The invention relates to a five-phase electric generator (), in particular for a motor vehicle, said generator comprising five electric branches () for five different phases, the latter being electrically connected at interconnection points (). The electric angle (&#x3b1;) ranges between 25&#xb0; and 36&#xb0; at said interconnection points ().

Five-phase generator

A voltage regulator having overvoltage protection which is situated in a vehicle electrical system between the generator that is situated in a first voltage level and a battery that is situated in a second voltage level. A generator is used as a generator whose control voltage is freely selectable within specifiable limits. The voltage regulator, which is embodied as an in-phase regulator, makes available a regulated voltage on the output side, which is used for supplying the usual vehicle electrical system users as well as for charging the battery. The in-phase regulator is furnished with an electronics system or an intelligence which includes a microprocessor and which evaluates supplied data with regard to voltages, currents or load breakings and which specifies response criteria, and, upon the reaching of certain response criteria, initiates the measures which then become necessary.

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Affalterbach, Germany

Gert Wolf