South University of Science and Technology of China

Yujun Shi

Linni Jian

Jin Wei

A magnetic transmission apparatus is disclosed, wherein the magnetic transmission apparatus includes a still part (), a first rotating shaft (), a second rotating shaft (), a first rotating part (), a second rotating part (), and a third rotating part (); the first rotating part () is rigidly connected with the first rotating shaft (); the second rotating part (), the third rotating part () are fixed on the second rotating shaft (); the first rotating part (), the second rotating part (), and the third rotating part () are successively distributed along an axial direction; the still part () includes a magnetic regulation seat () and a magnetic regulation ring (); the second rotating part () is located inside the magnetic regulation ring (); the first rotating part () includes a first iron core (), a first permanent magnet (), and a first support part (); the second rotating part () includes a second iron core (), and a second permanent magnet (); the third rotating part () includes a third iron core (), a third permanent magnet (), and a second support part (); the first iron core (), the first permanent magnet (), the magnetic regulation ring (), the third permanent magnet () and the third iron core () are successively distributed along the axial direction. The first permanent magnet () and the third permanent magnet () are magnetized alternately and axially; the second permanent magnet () is magnetized alternately radially. The magnetic transmission apparatus has an axially and radially mixed magnetic circuit and can take full advantage of the magnetic modulation space and improve the torque density.

Magnetic transmission apparatus

Provided is a flywheel energy storage device including a radial magnetic gear, the radial magnetic gear includes an inner rotor, an outer rotor and Nfirst magnetic pole adjustment sheets embedded in a first magnetic pole adjustment sheet base; a disc-type magnetic gear electric motor includes a first stator disc, a first rotor disc, a second stator disc, a second rotor disc and a third rotor disc, the first stator disc with the first rotor disc form a first disc-type electric motor, the second stator disc with the second rotor disc form a second disc-type electric motor, and a disc-type magnetic gear is formed by the first rotor disc, the second rotor disc and the third rotor disc, and the first disc-type electric motor, the second disc-type electric motor and the disc-type magnetic gear are couple with one another to form the disc-type magnetic gear electric motor.

Growing community of inventors

Shenzhen, China

Yujun Shi