Patent ID: 9108125
Filing Date: 2015-08-18
Classification: B01D,F02M,F16N

Abstract:
1. A filter device comprising: a filter housing and a filter element disposed in the filter housing, the filter element configured to be penetrated by a fuel flow in a radial direction from a raw end to a pure end of the filter element, and a water separator disposed at the pure end of the filter element, the water separator extending in an axial direction of the filter element and having a hydrophobic and an annular diaphragm through which fuel can flow from a radially outward to a radially inward direction relative to a longitudinal center axis of the filter element, a flow channel disposed axially between the filter element and the water separator and connecting the pure end of the filter element with a raw end of the water separator, the flow channel including a radially extending channel wall comprising a surface that causes a spirally and radially outward fuel flow relative to the longitudinal center axis at the raw end of the water separator when the fuel flows through the channel.