| Patent Number |
Title Of Patent |
Date Issued |
| 7063134 |
Combined muffler/heat exchanger |
June 20, 2006 |
| A combined muffler and heat exchanger apparatus is provided. The apparatus includes a housing defining a heat transfer chamber and an acoustic attenuation chamber separated by a partition. A flow regulator and a fluid transport member are disposed within the heat transfer chamber. The |
| 5329698 |
Method of assembling a catalytic converter |
July 19, 1994 |
| A method of assembling a catalytic converter by inserting a catalyst substrate and surrounding support mat through the open end and into the central portion of an oval sheet metal tube, after which the reduced section and longitudinal ribs are formed in the central portion of the tub |
| 5216809 |
Acoustic muffler with one-piece housing |
June 8, 1993 |
| A muffler of the type used to attenuate exhaust gas noise in exhaust systems of automobiles, trucks, or the like, particularly characterized by a gas flow conduit which is axially slotted and laterally flattened to form a closure and a pair of openings axially inward of the closure, |
| 5187334 |
Acoustic muffler with one-piece housing |
February 16, 1993 |
| A muffler of the type used to attenuate exhaust gas noise in exhaust systems of automobiles, trucks, or the like, particularly characterized by a gas flow conduit which is axially slotted and laterally flattened to form a closure and a pair of openings axially inward of the closure, |
| 5119551 |
Method of making a catalytic converter with one piece housing |
June 9, 1992 |
| A catalytic converter with a one piece housing is made by inserting catalyst elements into opposite open ends of a sheet metal tube until their support mats abut against preformed annular ribs after which annular ribs are formed in the tube to engage the other ends of the support mats |
| 5055274 |
Catalytic converter and substrate support with one piece housing |
October 8, 1991 |
| A catalytic converter of the automotive type comprising a reduced central oval section that compresses a support mat around a catalyst substrate, the reduced central section comprising radially inwardly biased ribs that are parallel to the longitudinal axis of the converter.The converter |
