Filter for internal combustion engine fuels
AssigneeFilterwerk Mann & Hummel GmbH
InventorsJaroslav Pavlin, Herbert Jainek
Life of this patent
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Abstract
A filter for filtering liquids, especially fuel, which includes a concentric housing, an unfiltered liquid inlet, and filtered fluid outlet, and a backflow member. A concentric filter element, with a dirt collecting chamber in the lowermost part thereof, is disposed in the housing, which is closed with a cover. The housing also contains a riser pipe having a return bore hole in the uppermost part thereof, as well as a return pipe. An intermediate pipe, which is sealingly closed by the cover, is disposed above the riser pipe, and the filter element is removably attached to the intermediate pipe.
Claims10
A filter for liquids comprising a housing, an unfiltered liquid inlet, and a filtered liquid outlet, wherein a filter element is arranged inside the housing, the housing is sealed with a cover, the housing contains a riser pipe having a return bore in an uppermost part thereof as well as a return pipe disposed within the riser pipe, an intermediate pipe is disposed around the riser pipe and extends above the riser pipe, the intermediate pipe is securely connected to the cover so that removal of the cover from the housing removes the intermediate pipe together with the cover, the filter element is removably arranged on the intermediate pipe, and the filter element has a dirt or water collecting chamber in a lowermost part thereof.
Dependencies are inferred from the claim text.