Class 318/43 - D.C. or A.C. commutator motors with slip rings

Subclass of Class 318 - Electricity: motive power systems
Definition: Subject matter in which each of the interconnected motors
No. of patents: 3
Last issue date: 09/23/2003

Number	Title	Issue Date
6624601	Control device for plurality of rotating electrical machines A control device for a plurality of rotating electrical machines has a single current control device with an inverter, gate driver, and a motor controller, which supplies a control current to each rotating electrical machine allowing rotation control in r...	09/23/2003
5712514	System and method for supplying power to stator sections of a long-stator magnetic levitation railway system A system and method for supplying power to stator sections of a long-stator magnetic levitation railway system, where the stator winding is subdivided into several stator sections that can be controlled individually along a route for a magnetically levita...	01/27/1998
5015938	Synchronizable drive system The drive system connects a servomotor via a clutch to a shaft after the motor has started up from a standstill to a speed in synchronism with the supply frequency to the servomotor. The clutch may also be actuated to disengage the servomotor from the sha...	05/14/1991

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