| Patent Number |
Title Of Patent |
Date Issued |
| 5485045 |
Rotor for permanent magnet-excited, high-speed electric machines and electric machine equipped w |
January 16, 1996 |
| The present invention pertains to a rotor for permanent magnet-excited electric machines, on the circumferential surface of which permanent magnets are arranged, and fillers made of a nonmagnetic material are arranged between them, wherein the surface of the permanent magnets and fil |
| 5481145 |
Power recovery plant |
January 2, 1996 |
| In order to provide a power recovery plant comprising a gas turbine with a turbine wheel and a generator with a rotor driven by the turbine wheel, in which the known bearing problems are diminished or even cease, it is suggested that the turbine and the generator be combined in a plant |
| 4878106 |
Semiconductor circuit packages for use in high power applications and method of making the same |
October 31, 1989 |
| A transfer molded semiconductor circuit package with two spaced, parallel, exteriorly accessible substrate plates located symmetrically to a medial plane of the package and encapsulated, to levels flush with their remote faces, in a body of low stress semiconductor grade molding compound |
| 4684825 |
400 Hz aircraft ground power supply |
August 4, 1987 |
| 400 Hz aircraft ground power supply with a three phase AC power source connectable via an electric power relay and flexible cable provided with a socket connector to a plug connector at the aircraft. In the energizing circuit of the power relay is arranged a closing contact of a second |
| 4674021 |
Static inverter with an overcurrent circuit upon a short circuit |
June 16, 1987 |
| Static inverter with controlled semiconductor switches and anti-parallel diodes and with a control device for providing a current well above the rated current in the case of a short circuit in a consumer for quickly blowing a fuse in the circuit of the consumer. Anti-parallel thyristors |
| 4670833 |
Semiconductor module for a high-speed switching arrangement |
June 2, 1987 |
| Electric semiconductor switching module for a switching arrangement with switching times of the order of magnitude of 100 ns and large currents. The switching arrangement features a parallel connection of active semiconductor switching elements and freewheel diodes, which are each ar |
| 4661660 |
Cable drum driven by an electric motor |
April 28, 1987 |
| A cable drum 1 powered by an electric motor (2) for multi-conductor cables of heavy cross-section. To provide for insertion of the cable (4) into the cable drum (1) to be carried out without the use of slip-rings, twistable conductors (10) of high-elasticity are provided and are attached |
| 4517471 |
Rotary converter machine for direct transfer of electric energy by flux linkage between windings |
May 14, 1985 |
| A rotary converter machine which includes a stator with three-phase primary, and secondary windings, and a rotor mounted within the stator which includes a damping winding. The primary and secondary stator windings are arranged on a common stator pack and located in continuous stator |
