Filter element with end face inlets and discharge outlets

Details Filter element with end face inlets and discharge outlets Filter element with end face inlets and discharge outlets

2005-10-11

2005-10-11

Drodge, Joseph (Department: 1723)

Liquid purification or separation

Filter

Within flow line or flow line connected close casing

C055S488000, C055S489000, C055S490000, C055S498000, C055S521000, C210S446000, C210S453000, C210S492000, C210S493100, C210S493300

Reexamination Certificate

active

06953124

ABSTRACT:
A filter element for end face inlet formed of triangular channels which are alternately closed such that the fluid to be filtered must pass through the filter material in order to flow from the inlet side (22) to the discharge side (23). The channels are formed by alternating flat layers (17) and folded layers (18), whereby all sides of the inlet channels face a discharge channel. A particularly high filter efficiency is thereby achieved such that a large filter surface area and a high filter capacity are attained with a relatively small structural volume. The filter can be used, for example, as an air filter for various air filtration applications.

REFERENCES:
patent: 3020977 (1962-02-01), Huppke et al.
patent: 3591004 (1971-07-01), Roosa
patent: 4410427 (1983-10-01), Wydeven
patent: 4925561 (1990-05-01), Ishii et al.
patent: 5630940 (1997-05-01), Van Rossen et al.
patent: 5804073 (1998-09-01), Ter Horst
patent: 6238561 (2001-05-01), Liu et al.
patent: 0925818 (1999-06-01), None
patent: WO01301 (1987-03-01), None
patent: 87/01301 (1987-03-01), None

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