Exhaust cleaner for motor vehicles

Claim 1

IN COMBINATION, A MUFFLER, AN EXHAUST CLEANER LOCATED WITHIN SAID MUFFLER AND SPACED FROM SAID MUFFLER, A PERFORATED WALL LOCATED WITHIN SAID EXHAUST CLEANER AND SEPARATING THE INTERIOR THEREOF INTO TWO INNER SPACES, A CATALYST FILLING LOCATED WITHIN SAID EXHAUST CLEANER AND OCCUPYING ONE OF SAID INNER SPACES, THE OTHER INNER SPACE CONSTITUTING AN INNER CHAMBER, AN INFLOW CONDUIT CONNECTED WITH SAID MUFFLER AND EXHAUST CLEANER AND OPENING INTO SAID INNER CHAMBER TO TRANSMIT EXHAUST GASES INTO SAID INNER CHAMBER, SAID EXHAUST CLEANER HAVING A PERFORATED OUTER WALL PORTION IN CONTACT WITH SAID CATALYST FILLING, WHEREBY EXHAUST GASES PASSING FROM SAID INNER CHAMBER THROUGH SAID CATALYST FILLING FLOW THROUGH SAID PERFORATED OUTER WALL PORTION INTO THE SPACE BETWEEN SAID EXHAUST CLEANER AND THE WALLS OF SAID MUFFLER, AN OUTFLOW PIPE CONNECTED WITH SAID MUFFLER AND COMMUNICATING WITH THE LAST-MENTIONED SPACE, A VALVE CARRIED BY SAID EXHAUST CLEANER ADJACENT THE OPENING OF SAID INFLOW CONDUIT AND ADAPTED TO OPEN THE CLOSE COMMUNICATION BETWEEN SAID INNER CHAMBER AND THE LAST-MENTIONED SPACE, AND AUTOMATICALLY OPERABLE TEMPERATURE-RESPONSIVE MEANS EXTENDING THROUGH THE ENTIRE LENGTH OF THE CATALYST FILLING IN CONTACT THEREWITH AND CONNECTED WITH SAID VALVE FOR ACTUATING SAID VALVE.