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Smw Schneider & Weisshaupt Gmbh

Thomas Hiestand

Karl Hiestand

A device for transferring a medium to a servo device has a first component and a second component positioned in the first component so as to be rotatable about an axis of rotation. The first component is displaceable to a limited extent relative to the second component along the axis of rotation. An annular chamber is located between the first and second components and is delimited axially on one side by the first component and on the other side by the second component. First and second radial sealing gaps are provided on opposite sides of the annular chamber. The annular chamber has a circumferential sidewall that is slanted relative to the axis of rotation such that a first surface of the first component forming the circumferential sidewall of the annular chamber and a second surface of the first component forming the radially extending annular surface of the annular chamber are positioned at an acute angle to one another. A pressure chamber communicates with one of the radial sealing gaps for returning the first component into the initial position. A third radial sealing gap is connected to the pressure chamber for relieving it. An inlet line introduces a medium into the annular chamber and an outlet line guides the medium from the annular chamber to the servo device.

Device for transferring a medium

A device for transferring a pressure medium has a first stationary component and a second component that is inserted into the first stationary component such that it is rotatably drivable therein. A first annular chamber is defined between the first stationary component and the second component and has a first and a second axial end. The first axial end is delimited at least partially by the first stationary component and the second axial end is delimited at least partially by the second component. An inlet line and an outlet line are connected to the first annular chamber. The outlet line guides the pressure medium to a consuming device. Radially extending sealing slots are defined between the first stationary component and the second component at the first and the second axial ends whereby the sealing slots have adjustable slot widths. The first and the second sealing slots are simultaneously adjustable into a same direction with respect to the slot width by an axial relative adjusting movement of the first stationary component and the second component.

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Pfullendorf, Germany

Thomas Hiestand