Power transmission apparatus

Details Power transmission apparatus Power transmission apparatus

2011-08-16

2011-08-16

Leung, Quyen (Department: 2834)

Electrical generator or motor structure

Dynamoelectric

Rotary

C310S092000, C310S093000, C310S104000, C310S105000, C192S021500, C417S310000, C417S410100, C417S410400, C417S420000

Reexamination Certificate

active

07999429

ABSTRACT:
A power transmission apparatus includes a drive roller and a driven roller made of magnetic material, which are rotatable about different axes, and which are provided with a gap therebetween, a case enclosing the rollers, an input shaft and an output shaft connected coaxially with the rollers through the case, respectively, and a magnetic fluid housed in the case to fill the gap. The apparatus includes an electromagnetic coil for generating magnetism, and a magnetic path of the magnetism generated by the electromagnetic coil is formed so that a magnetic field is generated from the drive roller or the driven roller toward the driven roller or the drive roller via the gap.

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