| 摘要 |
A hydraulic clutch apparatus includes a first hub, wherein the first hub includes a plurality of frictional clutch discs arranged therein, and a second hub arranged within the first hub and proximate the plurality of frictional clutch discs, wherein the second hub includes a first toroidal hydraulic chamber configured to depress the plurality of frictional clutch discs and a second toroidal hydraulic chamber opposing the first toroidal hydraulic chamber.
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