Patent ID: 6568930
Filing Date: 2003-05-27
Classification: F01C,F04C

Abstract:
An internal gear pump, comprising a housing; a toothed ring provided with inner teeth; a bearing ring supporting said toothed ring in said housing rotatably about a rotary axis; a toothed gear provided with outer teeth and engaging with said toothed ring, said toothed gear being rotatable in said housing about a rotary axis, at least one of said toothed gear and said toothed ring being rotatably driven, said rotary axis of said toothed ring being offset relative to said rotary axis of said toothed gear; and an adjusting device associated with said bearing ring for moving said bearing ring in a radial direction relative to said rotary axis of said toothed ring in said housing for an adjustment and for blocking it in an adjusted position, said adjusting device having an adjusting element which is connected with said bearing ring and is displaceably guided in said housing in a radial direction, and a fixing element which is accessible from an outer side of said housing and is connected with said housing and also engages said adjusting element, so that said adjusting element is displaceable in the radial direction and blockable in an adjusted position by said fixing element.