Gas separation – Residue access – handling or removing means – Separable collection container
Reexamination Certificate
2007-07-24
2007-07-24
Smith, Duane (Department: 1724)
Gas separation
Residue access, handling or removing means
Separable collection container
C055S486000, C055S503000, C055SDIG030, C095S273000, C095S287000, C096S415000, C015S352000
Reexamination Certificate
active
10141305
ABSTRACT:
A filter assembly for a removable dirt separation system is disclosed. The filter assembly includes a wall support attached to a wall of the dirt separation system and a screen panel having a number of screen elements. The filter assembly further includes a filter element which is selectively releasable from the screen panel. The screen panel and filter element can be selectively secured to the wall support. A fine particle separation chamber is at least partially defined by the screen elements and the filter element. A portion of the walls of a dirt cup within the dirt separation system is formed by the filter assembly. A method of operating a filter assembly for a removable dirt separation system is also disclosed.
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Balzer Jerry L.
Boyer, Jr. Russell H.
Durbin Michael A.
Lesco Erik D.
Thomas Leron R.
Lowe A. Burgess
Morrison John W.
Pham Minh-Chau T.
Smith Duane
The Hoover Company
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