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| Application No. | Application Title | Issue Date |
| 20110073405 | Exhaust Component An exhaust component is provided including an inlet portion for accepting an exhaust stream entering therein from an exhaust system, two or more separator components fixed to the inlet portion for separating the exhaust stream into two or more streams at the point of eg... | 03/31/2011 |
| 20100006370 | SOUND-ATTENUATING MUFFLER HAVING REDUCED BACK PRESSURE The present invention relates to an improvement muffler that includes an improved inlet configuration having first and second sequential chambers with a perforated central pipe passing longitudinally through a central region of both chambers for directing the exhaust ga... | 01/14/2010 |
| 20090266644 | Catalytic converter muffler A catalytic converter muffler has a tubular housing with an inlet and outlet, and a baffle chamber intermediate the length thereof, a generally cylindrical catalytic converter supported in the tubular housing adjacent the inlet and a pair of tubular baffle members are d... | 10/29/2009 |
| 20090050111 | Nested Three Chambers, Fluid Pulsation Dampener A reactive acoustic dampener includes a nested three chambered configuration and connecting tubes that may be fully integrated into the fuel rail of a fuel injection system.... | 02/26/2009 |
| 20080035422 | Marine muffler with angularly disposed internal baffle A marine muffler comprises an elongate cylindrical housing having an inlet and an outlet and defining an internal volume partitioned, by an angularly disposed internal baffle, into a lower chamber in communication with the inlet and an upper chamber in communication wit... | 02/14/2008 |
| 20070045044 | Flow-through mufflers with optional thermo-electric, sound cancellation, and tuning capabilities A flow-through muffler includes a plurality of heat conducting walls, baffles, or partitions that together define a plurality of passages arranged to form acoustic waveguides, attenuators, and/or cancellation chambers, the walls, baffles, or partitions increasing a surf... | 03/01/2007 |
| 20060283661 | Silencer A silencer includes a smaller cylindrical member having a planar portion and a larger cylindrical member arranged to closely contact at least a portion of the outer circumferential surface of the smaller cylindrical member. The larger cylindrical member as seen in a dir... | 12/21/2006 |
| 20060266580 | Muffler for an exhaust system and manufacturing method for same A muffler for an exhaust system of an internal combustion engine, in particular in a motor vehicle, with an exhaust pipe which has an end section that is permeable for airborne sound and which is surrounded by a jacket in this end section to form a reflective chamber. T... | 11/30/2006 |
| 20060124386 | Acoustic drain A baffle assembly for a hollow cavity is disclosed. The baffle assembly includes a labyrinth that defines a tortuous drain passageway. The baffle assembly includes a vertical portion that abuts an expandable material to reduce the transmission of noise and other vibrati... | 06/15/2006 |
| 20060113145 | Fuel cell vehicle An exhaust gas exhausted from a fuel cell is sent to a silencer through an exhaust pipe. The silencer is provided with a conductive noise absorbing material, and is fixed to a vehicle body through a metallic fixing jig. Thus, the noise absorbing material is earthed to t... | 06/01/2006 |
| 20050279572 | Arrangement for internal combustion engine A sound-absorbing exhaust system for an internal combustion engine. The system may comprise a receptacle, an inlet which is arranged in the receptacle and through which exhaust gases can be directed into the same, and a discharge pipe, which connects the interior of the... | 12/22/2005 |
| 20050252715 | Muffler for compact combustion engines To provide a muffler for a compact combustion engine, which is simple in structure and effective to sufficiently reduce the temperature of exhaust gases while avoiding contact with an external air, an exhaust guide passage 7 for communicating the exhaust gases (G... | 11/17/2005 |
| 20050224283 | Internal combustion engine silencer A muffler for internal combustion engines, in order to achieve a high attenuating effect without reducing the attenuating effect in the high revolution range of the engine, comprising one or more expanding chambers 11 through 13 formed in a muffler 1 | 10/13/2005 |
| 20050155818 | Exhaust muffler An exhaust muffler is provided for a motor in a hand held, portable implement such as a power chain saw, a disc grinder or cut-off machine, or the like, and includes a muffler housing that encloses at least one damping chamber. The housing has an inlet for exhaust gases... | 07/21/2005 |
| 20050034919 | Muffler baffle plate spacer formed from stock material A muffler has a pair of spaced baffle plates that each receive a flow tube. The flow tubes have spaced ends such that an intermediate chamber is defined to receive air flow to be dampened. In existing mufflers, a bracket needed to be formed to the desired length to supp... | 02/17/2005 |
| 20050029039 | Exhaust gas muffler An exhaust gas muffler is provided for an internal combustion engine, especially for an internal combustion engine in a manually-guided implement such as a power saw, a cut-off machine, or the like. The muffler has a housing having an inlet for exhaust gases and an outl... | 02/10/2005 |
