Pulse jet air cleaner systems; evacuation valve arrangements; air cleaner components; and, methods

An air cleaner assembly comprising:

• (a) an air cleaner housing having an air flow inlet, an air flow outlet and an interior;
• (i) the housing including an outer sidewall with an arcuate portion;
• and,
• (ii) the air cleaner housing defining a dust rotation direction;
• (b) a dust ejection port arrangement through the arcuate portion of the housing outer sidewall;
• (i) the dust ejection port arrangement including a dust egress aperture arrangement in the arcuate portion of the outer sidewall extending over a radial arc, around a central axis of the housing, of at least 20°;
• (ii) the housing includes a radially inwardly directed, relative to an adjacent portion of the outer sidewall, scoop edge at an edge of the dust egress aperture arrangement positioned around the central axis of the housing most radially downstream with respect to the dust rotation direction;
• and, an edge of the egress aperture opposite the scoop edge, in the housing sidewall, being at least 20° around the central axis in an upstream direction with respect to the dust rotation direction;
• (A) the scoop edge extending radially inwardly relative to the edge of the egress aperture opposite the scoop edge;
• (c) a dust receiver positioned exteriorly of the housing and oriented to receive dust from the dust egress aperture arrangement in the outer sidewall;
• and,
• (d) a pulse jet distribution arrangement configured to selectively direct pulse of air into the air cleaner housing;
• and,
• (e) a filter cartridge positioned in the air cleaner housing;
• the filter cartridge comprising media positioned around an open filter interior;
• (A) the pulse jet distribution arrangement being including a pulse distributor comprising a splitter configured to simultaneously direct portions of a pulse jet directed thereat at least toward opposite portions of the media, with respect to the open filter interior.