Transporting apparatus

Details Transporting apparatus Transporting apparatus

1988-01-15

1990-03-13

Wong, Peter S.

Electrical generator or motor structure

Dynamoelectric

Linear

318135, H02K 4103

Patent

active

049085336

ABSTRACT:
A transporting apparatus using a linear motor comprises at least a primary unit and a secondary unit. The primary unit faces the secondary unit with a predetermined gap. The primary unit consists of a core and coils supplied with three-phase alternating currents so that the primary unit generates a progressive magnetic field. The secondary unit at least includes a core and permanent magnets. These permanent magnets are magnetized so that each section of the secondary unit is magnetized in a north pole and a south pole in turn along a longtitudinal direction thereof. Hence, the primary unit can be transported along the secondary unit by controlling the currents supplied to the primary unit.

REFERENCES:
patent: 3858522 (1975-01-01), Maki
patent: 4563602 (1986-01-01), Nagasaka
patent: 4728830 (1988-03-01), Gamble

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