Power transmission unit for an electromotively operated drive and magneto-rheological clutch

摘要

A power transmission unit includes a first input shaft and a second input shaft which can be mutually driven by a motor shaft in opposite directions. A driven shaft can be coupled, depending on the desired sense of rotation of the driven shaft, to the first or to the second input shaft, and can engage with a first output shaft and with a second output shaft. The first output shaft can be directly coupled with the first input shaft via a first magneto-rheological clutch, and the second output shaft can be directly coupled with the second input shaft via a second magneto-rheological clutch. A magneto-rheological clutch includes a coil powered by wireless energy transmission between a sender connected to a stationary housing and a receiver rotating with the coil.

主权项

1. Power transmission unit for an electromotively operated drive, wherein the power transmission unit comprises:
a first input shaft and a second input shaft; a motor shaft for driving the first and the second input shafts together in opposite directions; a driven shaft for coupling, depending on a desired sense of rotation of the driven shaft, with the first or the second input shaft, and for engaging with a first output shaft and with a second output shaft; a first magneto-rheological clutch between the first input shaft and the first output shaft for directly coupling the first output shaft with the first input shaft; and a second magneto-rheological clutch between the second input shaft and the second output shaft for directly coupling the second output shaft with the second input shaft; wherein the first and the second magneto-rheological clutches each comprise: one coil for creating a desired magnetic field, wherein a power supply of the coil includes means for wireless energy transmission between a sender connected to a stationary housing and a receiver with which the coil is to rotate.