Patent ID: 8404021

Claim:
An air cleaner assembly comprising: (a) a housing including an outer wall defining an air flow inlet, an air flow outlet and an interior defining: a compressed gas accumulator tank section; and, a filter cartridge receiving section; (i) the housing outer wall including a side wall with first and second ends; (A) the compressed gas accumulator tank section configured for storage therein of compressed gas and being positioned adjacent the first end of the housing; and, (B) the housing being openable for service access to an internally received serviceable filter cartridge; (b) a serviceable filter cartridge positioned in the filter cartridge receiving section of the housing; (i) the filter cartridge being removable from the air cleaner housing; and, (ii) the filter cartridge comprising filter media surrounding an open central interior and extending between first and second end caps; (c) a first stage separator arrangement including a dust ejection port in the housing; and, (d) a pulse jet arrangement including a pulse jet control valve arrangement and a pulse distribution arrangement; (i) the pulse jet control valve arrangement being configured to selectively direct a pulse of compressed gas from the compressed gas accumulator tank section into the pulse distribution arrangement; and, (ii) the pulse distribution arrangement being configured to direct the pulse of compressed gas from the pulse jet control valve arrangement into the open central interior of the filter cartridge.