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Peter Ehrhart, Christian Lucas: Electrical machine with permanent magnets. Magnet Motor Gesellschaft fur Magnetmotorische Technik MBH, Robert Kinberg, Venable, October 1, 2002: US06459185 (23 worldwide citation)

An electric machine comprising the following features: (a) an outer, first stator part and an inner, second stator part, the two stator parts being coaxial and being radially spaced apart by an intermediate space; (b) each stator part has, facing the intermediate space, a circumferential series of s ...


2
Gotz Heidelberg, Peter Ehrhart: Electric pump for environmentally hazardous material. Magnet Motor Gesellschaft fur magnetmotorische Technik mbH, Spencer & Frank, June 24, 1997: US05641276 (14 worldwide citation)

An electric pump includes an impeller, a shaft and a motor having at least one permanent magnet rotor and a stator. The impeller is coupled by the shaft to the at least one permanent magnet rotor of the electric motor. A hermetically sealed housing is provided in which the shaft is supported and whi ...


3
Peter Ehrhart, Roland Hagenlocher: Permanent magnet induced electric machine and method for operating such a machine. Magnet Motor Gesellschaft fur Magnetmotorische Technik MBH, Bachman & LaPointe P C, June 15, 2004: US06750576 (9 worldwide citation)

If an interturn short-circuit occurs in a stator coil winding of a permanent magnet excited electric machine, a short-circuit current is produced there that results in an electrically induced magnetic alternating flux which corresponds in its value to the permanent magnetic alternating flux flowing ...


4
Jens Biebach: High-voltage transformer. Magnet Motor Gesellschaft fur Magnetmotorische Technik mbH, Robert Kinberg, Venable, December 14, 2004: US06831845 (9 worldwide citation)

The invention relates to a high-voltage transformer arrangement which converts to the direct current voltage from a direct current voltage source (


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Peter Ehrhart, Christof Scherg, Werner Weck: Electric drive system, especially for vehicles. Magnet Motor Gesellschaft fur Magnetmotorische Technik mbH, Venable, Robert Kinberg, Steven J Schwarz, October 25, 2005: US06959237 (2 worldwide citation)

For enhancing the operational safety of an electric drive unit of a vehicle comprising a generator, which is operated by a combustion machine, and drive motors, which are connected to said generator via a direct-voltage intermediate circuit, the generator and drive motors are each subdivided into pa ...


7
Gotz Heidelberg, Andreas Grundl, Peter Ehrhart: Electric machine. Magnet Motor Gesellschaft fur magnetmotorische Technik mbH, Spencer & Frank, July 9, 1996: US05534739 (2 worldwide citation)

An electric machine includes an exciter part and an induction part disposed adjacent the exciter part. The exciter part and the induction part define an air gap there-between and are movable relative to one another thereby defining a direction of movement. The induction part includes teeth disposed ...


8
Peter Ehrhart, Anton Muller, Hermann Scholderle, Evi Sturm, Werner Weck: Superconducting heavy-current disconnector. Magnet Motor Gesellschaft fur magnetmotorische Technik mbH, Norman N Kunitz, Venable, October 29, 2002: US06472966 (2 worldwide citation)

For obtaining a compact superconductive power switch for rapid switching speeds and with high dielectric strength, several winding layers (


9
Lucas Christian, Koschany Arthur, Schwesinger Thomas: Electrode a diffusion gazeuse ayant une capacite de diffusion reduite pour leau et cellule electrochimique a membrane electrolytique polymerique, Gas diffusion electrode with reduced diffusing capacity for water and polymer electrolyte membrane fuel cells. Magnet Motor Gesellschaft Fur Magnetmotorische Technik Mbh, Magnet Motor Gesellschaft Fur Magnetmotorische Technik Mbh, BLAKE CASSELS & GRAYDON, September 11, 1998: CA2282434 (2 worldwide citation)

Gas diffusion electrodes (1) for polymer electrolyte membrane fuel cells are modified such that the diffusion of water therein is inhibited in comparison with unmodified electrodes. Polymer electrolyte membrane fuel cells with the modified gas diffusion electrodes can be operated, with on the averag ...


10
Peter Ehrhart: Permanent-magnetically excited electrical motor. Magnet Motor Gesellschaft fur Magnetmotorische Technik mbH, Robert Kinberg, Venable, December 27, 2005: US06979917 (1 worldwide citation)

A permanent-magnetically excited electric machine comprising a stator part (2) and a moving part (30) movable relative to the stator part (2), as well as an air gap (8) between the stator part (2) and the moving part (30), with one of said stator part (2) and said moving part (30) having a flux path ...



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