Muffler with perforate chordal baffles defining fiber-filled chambers

Claim 1

A MUFFLER COMPRISING: (A) A DUCT MEMBER CLOSED AT EACH END; (B) FIRST AND SECOND BAFFLES DISPOSED WITHIN SAID DUCT MEMBER, EXTENDING SUBSTANTIALLY LONGITUDINALLY THEREOF AND BEING SPACED APART FROM EACH OTHER TO FORM WITHIN SAID DUCT MEMBER A CENTRAL CHAMBER; (C) EACH SAID BAFFLE BEING SPACED APART FROM AN INTERIOR LONGITUDINAL SIDE WALL OF SAID DUCT MEMBER TO FORM WITH SAID SIDE WALL A LATERAL SPACE; (D) EACH SAID LATERAL SPACE BEING SUBSTANTIALLY FILLED WITH FIBERS MADE FROM A MATERIAL WHICH WITHSTANDS TEMPERATURES AT LEAST ABOUT 400* F.; (E) EACH SAID BAFFLE HAVING A PLURALITY OF HOLES EXTENDING THERETHROUGH; (F) AT LEAST ONE EXHAUST GAS CONDUIT EXTENDING THROUGH SAID DUCT MEMBER INTO SAID CENTRAL CHAMBER, WITH A PORTION THEREOF DISPOSED WITHIN SAID CENTRAL CHAMBER; (G) THE LONGITUDINAL AXIS OF SAID PORTION BEING SUBSTANTIALLY TRANSVERSELY OF THE LONGITUDINAL AXIS OF SAID CENTRAL CHAMBER; (H) THE WALLS OF SAID PORTIONS BEING SPACED APART FROM AND SUBSTANTIALLY OPPOSITE SAID FIRST AND SECOND BAFFLES; (I) SAID PORTION HAVING A PLURALITY OF HOLES EXTENDING THERETHROUGH WHICH ARE SUBSTANTIALLY OPPOSITE SAID BAFFLE HOLES; (J) SAID EXHAUST GAS CONDUIT BEING ADAPTED TO BE CONNECTED TO FLOWS OF EXHAUST GAS FROM A CYLINDER OF AN INTERNAL COMBUSTION ENGINE; AND (K) A GAS REMOVAL TUBE EXTENDING THROUGH SAID DUCT MEMBER INTO SAID CENTRAL CHAMBER AND HAVING AN OPENING INTO SAID CENTRAL CHAMBER FOR CONVEYING SAID EXHAUST GAS FROM SAID MUFFLER.