Transporting system of floated carrier type with zero power cont

Details Transporting system of floated carrier type with zero power cont Transporting system of floated carrier type with zero power cont

1990-05-25

1991-11-26

Oberleitner, Robert J.

Railways

Magnetically suspended car

104284, 104286, B60L 1304

Patent

active

050674153

ABSTRACT:
In a transporting system for transporting cargo to a predetermined position, a carrier is located above rails and a first support plate is located under the rail and is coupled with the carrier by a pair of columns. A second support plate is rotatably coupled by a coupling mechanism. Four magnetic floating assemblies are so disposed on the first and second plates as to face the rails and a control unit is disposed on the first support plate. The carrier is floated by an attractive force produced between the rail and the magnet units of the assemblies. A gap sensor of each of the assemblies generates an output signal corresponding to a gap between the rails and the magnet unit and a current supplied to the magnet unit is also detected by a current detector. The outputs from the gap sensor and the current detector is fed as feedback signal to an operational circuit of the control unit. Thus, the current supplied to the magnet unit is so adjusted by the operational circuit as to supply the current when an external force is applied to the carrier.

REFERENCES:
patent: 3736880 (1973-06-01), Ross
patent: 3836799 (1974-09-01), Eastham et al.
patent: 3847089 (1974-11-01), Nelson
patent: 3899979 (1975-08-01), Godsey, Jr.
patent: 3912991 (1975-10-01), Moyse
patent: 3927620 (1975-12-01), Clapham
patent: 3937148 (1976-02-01), Simpson
patent: 4055123 (1977-10-01), Heidelberg
patent: 4140063 (1979-12-01), Nakamura
patent: 4419937 (1983-12-01), Steinmetz et al.
patent: 4505206 (1985-03-01), Gottzein et al.

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