Epicyclic gear

A revolving transmission having at least two revolving transmission elements transmitting a torque frictionally, said transmission comprising an input drive and an output wherein said drive and said output are coaxially positioned and wherein two partial transmissions are each brought together or engage with their output at a drive of the following transmission path;

• and
• wherein each of the two partial transmissions is engageable or disengageable.

A transmission having at least a partial transmission being continuously variable and comprising at least two revolving transmission elements, said at least two revolving transmission elements transmitting a torque frictionally wherein two partial transmissions are each brought together or engage with their output at a drive of the following transmission path;

• and
• wherein each of the two partial transmissions is engageable or disengageable.

A transmission with at least two transmission elements revolving on different axes, said two transmission elements transmitting a torque frictionally via a coupling element, whereby said two transmission elements and said coupling element being braced against one another via a pressure device, wherein a clutch element is provided, through which the two transmission elements are alternately disconnected from a third transmission element by opening a clutch element or connected to the third transmission element by closing the clutch element and which is closed by the pressure applied by the pressure device.

A transmission comprising two continuously variable partial transmissions each comprising at least two transmission elements revolving on different axes, said two transmission elements transmitting a torque frictionally via a coupling element, wherein said two partial transmissions are connected to each other at an input element or an output element;

• and
• wherein said two transmission elements and said coupling element are braced against one another via a pressure device.

A transmission comprising two continuously variable partial transmissions each comprising at least two transmission elements revolving on different axes, said two transmission elements transmitting a torque frictionally via a coupling element, wherein said two partial transmissions are connected to each other at an input element or an output element;

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• wherein the two continuously variable partial transmissions have a shared transmission element on the side facing away from the summation gear.

A transmission comprising two continuously variable partial transmissions each comprising at least two transmission elements revolving on different axes, said two transmission elements transmitting a torque frictionally via a coupling element, wherein said two partial transmissions are connected to each other at an input element or an output element;

• and
• wherein a switching gear or a reverse gear, is provided between at least one of the continuously variable partial transmissions and the summation gear.

A revolving transmission having at least two revolving transmission elements, which may transmit a torque frictionally via a coupling element, and a continuously variable partial transmission, said coupling element being positionable at different running paths of at least one of said revolving transmission elements, wherein the coupling element has at least one running surface having grooves, wherein first and second transmission paths are connected in parallel and engaged alternately via a switching gear part, the continuously variable partial transmission being provided in said first transmission path, and wherein the switching gear part couples the continuously variable partial transmission to a pump wheel of a converter and a second transmission stage is coupled to a turbine wheel of the converter.