Patent · US Active

Fuel filter system and method of operating same

US7591951B2 · kind B2 · utility

2Cited by

10References

12Claims

0Family size

Assignee

MANN+HUMMEL GmbH · DE

Inventors

Jochen Linhart · Waiblingen, DE
Michael Micke · Stuttgart, DE
Michael Fasold · Auenwald, DE

Key dates

Filing date	Dec 7, 2005
Grant date	Sep 22, 2009
Priority date	—
Expiry date	May 23, 2027

Classification

Technology area (CPC F)Mechanical Engineering; Lighting; Heating
CPC primaryF02M37/44
WIPO fieldChemical engineering
WIPO sectorChemistry

Abstract

A fuel filter for cleaning fuel, particularly for engines of motor vehicles, having a filter housing (10) with an inlet (14), an outlet (15), and a filter element (16) for cleaning the fuel situated between the inlet (14) and the outlet (15). A collecting space (20) for water separated from the fuel additionally is provided in the filter housing (10), and a water discharge device (23) having a housing (24) is also arranged in the filter housing. Discharge device housing (24) has an inlet (33) and an outlet (28), between which a membrane (25) that is permeable for water molecules is situated, and the water-permeable membrane (25) has channel structures (26) which are closed in a sealed manner at their upper ends.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.