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AssigneeContinental Teves AG & Co. oHG
InventorsStephan Krebs, Jens Bacher, Heinrich Kreh, Lazar Milisic, Michael Jürging, Marcel Niepenberg, Jose Gonzalez, Karlheinz Seitz, Hans-Michael Koopel, Falk Petzold, Rolf Fellinger, Thomas Oeffner, Paul Wiebe, Stefan Imhof, Manfred Rüffer
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A pump assembly for supplying negative pressure to a pneumatic brake booster, wherein the pump assembly has at least two elastic displacement elements which are moved by connecting rods, the connecting rods each being rotatably mounted on an eccentric element. The eccentric element has a bearing seat element and a force element. At least two eccentric elements are secured next to each other on a drive shaft that rotates about an axis of rotation and an interlocking anti-rotation device is provided that determines a defined angular position of the eccentric elements relative to each other about the axis of rotation. In order to improve the ease of assembly and simplify the manufacturability, the anti-rotation device is designed as shaped elements of the bearing seat element in such a way that they engage in each other in an interlocking manner when the eccentric elements are in a defined angular position relative to each other.
A pump assembly having a pump housing, for the supply of negative pressure to a pneumatic brake booster, wherein the pump assembly has at least two elastic displacement elements which are moved by connecting rods, wherein the connecting rods are each rotatably mounted on an eccentric element, wherein the eccentric elements each have a bearing seat element and a balancing element, wherein at least two eccentric elements are fixed, adjacent to one another, to a drive shaft which rotates about an axis of rotation, and form-fitting relative-rotation prevention means are provided which fix a defined rotational angle position of the eccentric elements with respect to one another about the axis of rotation, wherein the relative-rotation prevention means are in the form of integrated shaped elements of the bearing seat element, such that said relative-rotation prevention means engage into one another in form-fitting fashion in a defined rotational angle position of eccentric elements relative to one another.
Dependencies are inferred from the claim text.