Transmission apparatus having split-coil type coaxial coupler

Details Transmission apparatus having split-coil type coaxial coupler Transmission apparatus having split-coil type coaxial coupler

1989-02-17

1990-07-03

Budd, Mark O.

Electrical generator or motor structure

Dynamoelectric

Rotary

310 42, 310 68D, 310261, 310DIG6, H02K 1314, H02K 346

Patent

active

049394002

ABSTRACT:
An apparatus for transmitting electric power and information signals between a rotating element provided at a rotating shaft and a fixed element provided at the circumference of the rotating shaft. Both the rotating element and fixed element are configured as coils, and they perform transmission by an electromagnetic induction. Each coil is formed in a cylindrical form, and has a split structure comprising plural blocks which can be mounted on the shaft from the circumference of the rotating shaft. The rotating element and fixed element are mounted respectively on a rotating shaft of a machine and a fixed side of the machine, and electric power and information signals needed by the rotating element are transmitted from the fixed element.

REFERENCES:
patent: 2760127 (1956-08-01), Duncan et al.
patent: 4445057 (1984-04-01), Kuter et al.
patent: 4516097 (1985-05-01), Munson et al.
patent: 4665331 (1987-05-01), Sudo et al.
patent: 4677332 (1987-06-01), Heyraud
patent: 4734603 (1988-03-01), von der Heide et al.

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