Superconducting electric motors. [linear motors]

Patent · Tue Apr 26 00:00:00 EDT 1977

OSTI ID:7324349

Mailfert, A; Kant, M

A linear motor is described that is comprised of an electrically conductive tubular track consisting of one or more pairs of helically wound strips and a movable assembly. The movable assembly includes a superconducting field winding freely spinning about an axis close to the axis of the track and at least one auxiliary polyphase winding of normally conducting material coaxial to the field winding and adapted to develop a rotating field when AC currents circulate therein. The auxiliary winding supporting structure is connected to a vehicle to be driven along the track.

• Assignee: Agence Nationale de Valorisation de la Recherche (ANVAR)
• Patent Number(s): US 4020374
• OSTI ID: 7324349
• Resource Relation: Patent Priority Date: Priority date 28 Mar 1974, France
• Country of Publication: United States
• Language: English

Related Subjects

71 CLASSICAL AND QUANTUM MECHANICS
GENERAL PHYSICS
33 ADVANCED PROPULSION SYSTEMS
ELECTRIC-POWERED VEHICLES
SUPERCONDUCTING MOTORS
DESIGN
ELECTRIC MOTORS
MOTORS
SUPERCONDUCTING DEVICES
VEHICLES
420201* - Engineering- Cryogenic Equipment & Devices
330300 - Advanced Propulsion Systems- Electric-Powered Systems