Patent ID: 8828123

Claim:
An air cleaner comprising: a housing extending axially along an axis and having an annular sidewall extending axially between first and second axial ends, said sidewall having an inlet receiving dirty incoming air, said sidewall having a dust ejection opening therethrough, said first axial end having an outlet discharging clean filtered air, said second axial end being closable by a removable cover, said second axial end having a closed state when closed by said cover, said second axial end having an open state upon removal of said cover; an annular air filter element axially insertable into said housing through said second axial end in said open state, said air filter element having an outer peripheral surface spaced inwardly of an interior surface of said sidewall and defining an annular dirty air inlet plenum therebetween receiving dirty air from said inlet, said air filter element having an inner peripheral surface defining a hollow interior providing a clean air outlet plenum supplying clean filtered air to said outlet, said air filter element comprising annular filter media extending axially between first and second axial endcaps, said first endcap facing said outlet, said second endcap being said cover, said second endcap includes a dust collection tab extending along said interior surface of said sidewall to said dust ejection opening.