Evacuation value arrangements; pulse jet air cleaner systems using same; and, method
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United States of America Patent
Stats
-
Apr 19, 2011
Grant Date -
Dec 17, 2009
app pub date -
Mar 19, 2009
filing date -
Mar 20, 2008
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
Methods, techniques, and constructions are provided for use to apply an evacuation valve arrangement on an air cleaner assembly that is configured for pulse jet operation. An example evacuation valve arrangement is provided which comprises a valve member in the form of a sleeve that extends completely around a sidewall portion of an air cleaner housing of a pulse jet air cleaner. Examples are depicted in which the sidewall portion can comprise: a portion of a housing sidewall section that surrounds an installed filter cartridge, in use; a portion of an access cover; or, a drop tube secured to a portion of the housing, for example either on an access cover or on another portion of a housing. Specific features and alternatives are described. Also, methods of assembly and operation are described.
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