Vehicle driven by a linear motor

Details Vehicle driven by a linear motor Vehicle driven by a linear motor

1995-04-14

1997-02-11

Morano, S. Joseph

Railways

Magnetically suspended car

Propulsion means employed to suspend car

104284, 104293, B60L 1310

Patent

active

056010281

ABSTRACT:
A vehicle system for driving and supporting a vehicle by magnetic force along a vehicle travel path includes a guide rail extending along the vehicle travel path; longitudinal stators stationarily mounted along the guide rail; a vehicle including a vehicle shell and a vehicle chassis supporting the vehicle shell; a carrier bar secured to the chassis; permanent magnets mounted on the carrier bar for cooperating with the longitudinal stators to generate a magnetic carrying force opposing the vehicle weight; and first and second guide rollers each having a roller shaft rigidly supported relative to the carrier bar and rollingly engaging the guide rail for maintaining constant an airgap between the permanent magnets and the longitudinal stators. The first and second rollers take up, until their load limit is reached, any deficiency or excess in the magnetic carrying force to entirely compensate for the vehicle weight. The vehicle further carries electromagnets which generate supplemental magnetic forces to augment or to reduce the magnetic carrier force, as the case may be. The electromagnets are energized only when the load limit of the respective first or second guide rollers has been exceeded.

REFERENCES:
patent: 3783794 (1974-01-01), Gopfert et al.
patent: 4934279 (1990-06-01), Azukizawa et al.
patent: 5291834 (1994-03-01), Quaas
patent: 5431109 (1995-07-01), Berdut

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