PULSE JET AIR CLEANER WITH EVACUATION VALVE FOR DUST AND METHOD TO PRODUCE SAME

摘要

Methods, techniques, and constructions are provided for use to apply an evacuation valve arrangement (110). on an air cleaner assembly that is configured for pulse jet operation. The or each valve member (s) (Ilia, 111b) has opposite edges (116,117). One of the edges (116) is secured in place by holder arrangement 120. 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 (100); 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. The or each valve member (s) (Ilia, 111b) has opposite edges (116,117). One of the edges (116) is secured in place by holder arrangement 120. Specific features and alternatives are described. Also, methods of assembly and operation are described.