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| Application No. | Application Title | Issue Date |
| 20090127024 | ACOUSTIC LOAD MITIGATOR A system for reducing an acoustic load of a fluid flow includes a first pipe. The first pipe includes a first end and a second end and a first aperture and a second aperture, the first and second apertures being intermediate the first and second ends. A second pipe incl... | 05/21/2009 |
| 20080251314 | Exhaust System for an Engine and Motorcycle Including the Exhaust System An exhaust system for an engine that reduces muffler weight, assures a silencing effect and prevents a leak of exhaust gas. A muffler has an inner cylinder disposed in an outer cylinder, and is separated into a plurality of expansion chambers. A communicative passage fo... | 10/16/2008 |
| 20080017444 | Vehicle muffler A muffler includes three or more concentric pipes which convey exhaust gases from an input end of the muffler to an output end of the muffler. The exhaust gases reverse direction as they pass from a first pipe into a second pipe, and again as they pass from the second p... | 01/24/2008 |
| 20070284186 | Exhaust system An exhaust system for an engine includes a first muffler having a housing, a first end plate, a second end plate, an inlet pipe extending through at least one of the first end plate and the second end plate, and an outlet pipe extending through at least one of the first... | 12/13/2007 |
| 20070227810 | VEHICLE EXHAUST SYSTEM An exhaust system for a vehicle, such as a motorcycle or other straddle-type vehicle, that achieves miniaturization while providing advantageous noise reduction characteristics. The exhaust system is associated with an engine of a vehicle and includes an exhaust pipe co... | 10/04/2007 |
| 20070187175 | Muffler for exhaust systems of vehicles The muffler comprises a tubular shell which is internally lined with a noise-deadening material and is closed at its ends by a front wall provided with an inlet connectable to receive exhaust gas, and by a rear wall. A first chamber and a second chamber, which are separ... | 08/16/2007 |
| 20070158135 | Muffler and Vehicle Equipped with Muffler A muffler that inhibits reduction in engine performance and reduces exhaust noise volume includes a conduit that passes through an expansion chamber. A partition wall is provided at a central section of the conduit. An upstream section upstream from the partition wall i... | 07/12/2007 |
| 20070158136 | Muffler and Vehicle Equipped with Muffler A muffler that inhibits reduction in engine performance and reduces exhaust noise volume includes a front chamber and an expansion chamber with a partition therebetween. A conduit passes through the expansion chamber. An upstream end of the conduit passes through the pa... | 07/12/2007 |
| 20070107982 | Flow-through sound-cancelling mufflers A sound-cancelling flow-through muffler includes a linear first inner passage, and a curved or zig-zagged second outer passage that wraps around or surrounds the inner passage and that is situated between the linear first inner passage and an exterior wall of the muffle... | 05/17/2007 |
| 20070051556 | Exhaust system with external Helmholtz resonator and associated method An exhaust system comprises a muffler and a Helmholtz resonator. The muffler comprises an exhaust inlet aperture for receiving exhaust gas into the muffler, an exhaust outlet aperture for discharging exhaust gas from the muffler, and a resonator aperture. The Helmholtz ... | 03/08/2007 |
| 20070045041 | Muffler for an exhaust system The present invention relates to a muffler for an exhaust system of an internal combustion engine having an exhaust gas-carrying first pipe which is connectable to a first exhaust line of the exhaust system or forms an integral component of the first exhaust line, and a... | 03/01/2007 |
| 20070029133 | Device for modulating noise in a motor vehicle In a device for noise configuration in a motor vehicle which has an internal combustion engine with at least two gas conduits connected to different cylinders of the engine, the gas conduits are interconnected by means of a cross-flow section formed by a housing which e... | 02/08/2007 |
| 20060157295 | Combination muffler and spark arrester An improved combination muffler and spark arrester for an exhaust system of an internal combustion engine includes a muffler section, a diverging inlet pipe section that defines, optionally in combination with the muffler section, an enlarged volume, and a spark arreste... | 07/20/2006 |
| 20060037808 | Active exhaust muffler An active exhaust muffler for an exhaust system of an internal combustion engine, having a housing through which a pipe system passes, the pipe system designed to be permeable for airborne sound in a first space, having an antisound generator which is arranged in a seco... | 02/23/2006 |
| 20050150719 | Exhaust silencer In order to provide an exhaust muffler (100) for an internal combustion engine (11), especially a portable implement, comprising a catalyst (10) which is arranged in a housing (12) which has at least one inlet opening (13) and one outl... | 07/14/2005 |
