Liquid purification or separation – Serially connected distinct treating with or without storage... – With storage unit
Reexamination Certificate
2005-08-16
2005-08-16
Savage, Matthew O. (Department: 1724)
Liquid purification or separation
Serially connected distinct treating with or without storage...
With storage unit
C210S258000, C210S416400, C210S452000, C210S487000, C210S493100, C210S495000, C210S497010
Reexamination Certificate
active
06929742
ABSTRACT:
In the case of a fine filter for a fuel feed unit of a motor vehicle, a filter element has at least two sections which surround the fuel feed unit concentrically. In the fitted state of the fine filter, the sections are fastened to the fuel feed unit and to a surge chamber. The filter element has proven particularly cost-effective and enables the use of a particularly small mesh width while requiring little space.
REFERENCES:
patent: 1639170 (1927-08-01), Fell
patent: 1647799 (1927-11-01), Hammer
patent: 5392750 (1995-02-01), Laue et al.
patent: 195 01 353 (1996-07-01), None
patent: 198 48 571 (2000-05-01), None
patent: 63-306271 (1988-12-01), None
patent: WO 99/10075 (1999-03-01), None
Wehrum Bernrd
Weise Gerd
Morrison & Foerster / LLP
Savage Matthew O.
Siemens Aktiengesellschaft
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