Liquid purification or separation – Filter – With pump – gas pressure – or suction source
Reexamination Certificate
2005-09-06
2005-09-06
Prince, Fred G. (Department: 1724)
Liquid purification or separation
Filter
With pump, gas pressure, or suction source
Reexamination Certificate
active
06939467
ABSTRACT:
The invention relates to a filter module (23) for a fuel conveying unit (2) comprising a fuel pump (5) with two pump chambers (20, 21) which are independent of each other. A common filter area (24) is provided for the inlet areas (16, 17) of the pump chambers (20, 21). The filter module (23) has a connector (25) which can be inserted into a recess of a housing part (7). The configuration of the filter module (23) is particularly economical as a result.
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German Office Action dated Mar. 22, 2004 for German Application 100 44 610.8.
Deichmann Johannes
Marx Peter
Schuchardt Peter
Morrison & Foerster / LLP
Prince Fred G.
Siemens Aktiengesellschaft
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