Internal combustion engine filtration assembly for fresh air and crankcase ventilatin air

Claim 1

AN AIR FILTER ASSEMBLY FOR THE INDUCTION SYSTEM OF AN INTERNAL COMBUSTION ENGINE COMPRISING A BODY PART, SAID BODY PART INCLUDING A LOWER TRAY HAVING A CENTRAL APERTURE FORMING AN AIR OUTLET ADAPTED TO COMMUNICATE WITH THE INDUCTION SYSTEM, A COVER PLATE AFFIXED AXIALLY RELATIVE TO SAID BODY PART, A FIRST MEDIUM INTERPOSED BETWEEN SAID LOWER TRAY AND SAID COVER PLATE AROUND SAID CENTRAL APERTURE, A FRESH AIR INLET COMMUNICATING WITH ONE SIDE OF SAID FIRST FILTER MEDIUM, ANOTHER SIDE OF SAID FIRST FILTER MEDIUM BEING IN OPEN COMMUNICATION WITH SAID CENTRAL APERTURE FOR AIR FLOW FROM SAID FRESH, AIR INLET THROUGH SAID FIRST FILTER MEDIUM AND OUT OF SAID CENTRAL APERTURE, SAID COVER PLATE HAVING A DEPRESSED CENTRAL PORTION HAVING A CENTRAL OPENING IN OPEN COMMUNICATION WITH THE CENTRAL APERTURE OF SAID LOWER TRAY, A SECOND FILTER MEDIUM RECEIVED IN SAID DEPRESSED CENTRAL PORTION AROUND SAID CENTRAL OPENING, A CLOSURE FOR SAID CENTRAL PORTION LATERALLY REMOVED FROM SAID CENTRAL OPENING, SAID CLOSURE AND SAID CENTRAL PORTION BEING ON OPPOSITE ENDS OF SAID SECOND FILTER MEDIUM, MEANS REMOVABLY SECURING SAID CLOSURE RELATIVE TO SAID BODY PORTION, AND A VENTILATING AIR INLET IN SAID CLOSURE RADIALLY OUTWARDLY OF SAID CENTRAL OPENING AND ON THE OPPOSITE SIDE OF THE SECOND FILTER MEDIUM.