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Cloaking System Using Optoelectronically Controlled Camouflage
A Cloaking System designed to operate in the visible light spectrum, utilizes optoelectronics and/or photonic components to conceal an object within it.
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| Number | Title | Issue Date |
| 7320378 | Exhaust control apparatus for a vehicle, and vehicle including same An exhaust control apparatus for a motorcycle includes an exhaust collection pipe, which collects and combines exhaust gas from a plurality of exhaust pipes, and an exhaust valve. The exhaust valve is operatively attached to the collection pipe and controls flow of ... | 01/22/2008 |
| 7263826 | Muffler device with catalysts for improving purifying exhaust gas of nitrogen oxides within a motorcycle exhaust pipe A muffler device with catalysts for improving purifying exhaust gas of nitrogen oxides within a motorcycle exhaust pipe comprises a muffler divided into three chambers, a first chamber, a second chamber, and a third chamber; a front exhaust pipe; a front reduction c... | 09/04/2007 |
| 7240769 | Exhaust volume An exhaust volume (20) of the type including a muffler (24) having a casing provided with an inlet (29) and an outlet (30) for passing gases and adapted to enable the muffler to be mounted in an exhaust system (14). The volume furt... | 07/10/2007 |
| 7234297 | Motorcycle exhaust enhancers Sound and power are an important part of the motorcycling experience. From the early days people have been attempting to get it “right” and have tried numerous ways to achieve the best of both worlds. Generally one had to be sacrificed to some degree to get the ... | 06/26/2007 |
| 7152398 | Dual motorcycle exhaust system An exhaust system for an internal combustion engine having a first cylinder and a second cylinder from which pulses of exhaust gas exit and are routed along separate paths towards the exhaust mufflers. The exhaust system independently routes the pulses of exhaust ga... | 12/26/2006 |
| 7146806 | Internal combustion engine cylinder and muffler assembly with catalytic converter A two cycle internal combustion engine cylinder having a piston chamber. The cylinder includes transfer ports; and an exhaust port divided into at least two sections. A first one of the sections has an aperture at the piston chamber with a top surface located closer... | 12/12/2006 |
| 7111701 | Motorcycle A motorcycle includes an axle of a rear wheel supported for rotation at a rear end of a swing arm. The swing arm is supported at a front end portion thereof for rocking motion on a vehicle body frame. A rear end exhaust portion of an exhaust system connected to a cy... | 09/26/2006 |
| 7055648 | Assembly and method for fan noise reduction from turbofan engines using dynamically adaptive Herschel-Quincke tubes An assembly useful in reducing aircraft engine noise such as turbofan engine noise (730) comprises: (i) at least one tube “H-Q” having an inlet end (738), an outlet end (740) and a central tube portion therebetween; and (ii) at least one act... | 06/06/2006 |
| 7032709 | Exhaust-gas muffler An exhaust-gas muffler includes a muffler housing (2) having an inlet opening (3) and an outlet (4). The exhaust-gas muffler is especially for the internal combustion engine in a portable handheld work apparatus. At least one attenuating space (... | 04/25/2006 |
| 7021052 | Motorcycle exhaust control system A motorcycle exhaust control system for covering exhaust cross-over pipes is comprised of an elongate tubular crossover block-off member having a side wall. The crossover block-off member side wall has a slit extending the length thereof. The crossover block-off mem... | 04/04/2006 |
| 6959782 | Tuned exhaust system for small engines A tuned exhaust system for small two cylinder engines, the exhaust system including a pair of exhaust passage through which exhaust gasses pass. The exhaust passages are dimensioned to providing a tuning effect to the exhaust gasses for enhanced engine performance. ... | 11/01/2005 |
| 6955043 | Muffler assembly A muffler assembly for an internal combustion engine of a portable handheld work apparatus such as a motor-driven chain saw, cutoff machine or the like includes an exhaust-gas muffler (1) which has a muffler housing (10). The muffler housing (10... | 10/18/2005 |
| 6941751 | Exhaust muffler and muffler system for use with an internal combustion engine An exhaust muffler system for use on a motorcycle or four-wheeled vehicle provides for operation in either of two modes, a regular configuration that provides a high degree of noise reduction, or a racing specification that provides for a freer-flowing exhaust. With... | 09/13/2005 |
| 6901752 | Exhaust processor with variable tuning system and method of operating such exhaust processor An exhaust processor has an exhaust tube and a cover mounted for rotation at least partially around the exhaust tube to adjust the tuning frequency of the exhaust processor. A method of operating the exhaust processor is also disclosed. ... | 06/07/2005 |
| 6848252 | Exhaust enhancement for aftermarket motorcycle exhaust pipes with a straight pipe type design and with inside pipe diameter from 1.875″ and larger Sound and power are an important part of the motorcycling experience. From the early days people have been attempting to get it “right” and have tried numerous ways to achieve the best of both worlds. Generally one had to be sacrificed to some degree to get the ... | 02/01/2005 |
| 6804954 | Motorcycle exhaust system An exhaust system for use with a four-stroke engine having first and second cylinders. The cylinders generate exhaust pulses at uneven time intervals with respect to each other. The exhaust system includes a muffler and first and second exhaust pipes that communicat... | 10/19/2004 |
| 6799423 | Adjustable exhaust system for internal combustion engine The invention is an adjustable exhaust system and an adjustable insert for an exhaust system. The exhaust system includes a header flange, at least one conduit coupled to the header flange, a collector coupled to the conduit, and an adjustable insert for tuning engi... | 10/05/2004 |
| 6732509 | Engine acoustical system A number of embodiments of acoustical devices for improving either or both the intake and exhaust sounds emanated from an internal combustion engine. This is achieved by employing acoustical devices which are configured so as to discharge the desired sound waves to ... | 05/11/2004 |
| 6732508 | Exhaust system for an internal combustion engine and engine comprising the same An exhaust system for a two-cycle internal combustion engine combusting a normally gaseous hydrocarbon as fuel, the engine having a cylinder having an exhaust port in communication with an exhaust manifold. The exhaust system has an exhaust gas inlet connectable to ... | 05/11/2004 |
| 6698194 | Two-stroke internal combustion engine A two-stroke internal combustion engine (1) is provided with a muffler device (2). In one example, the engine (1) is intended for a working tool, such as a chain saw or a trimmer. A pipe (3), which either is straight or bent, and having an adapted or tune... | 03/02/2004 |
| 6647713 | Stratified scavenging two-cycle engine with catalyst A stratified scavenging two-cycle engine with catalyst capable of meeting such a requirement that a THC exhaust rate is 54 [g/kW.multidot.h] or less with use of catalyst. For this purpose, in the stratified scavenging two-cycle engine in which an air feed... | 11/18/2003 |
| 6546722 | Engine exhaust assembly for a motorcycle A partitioning member for dividing a connecting pipe into at least two exhaust passageways is provided in the connecting pipe, which is attached to an exhaust side of a silencer. A valve mechanism is operable to vary the passageway area of one of the exha... | 04/15/2003 |
| 6381956 | Exhaust system tuned for performance with shared wall An exhaust pipe for an internal combustion engine has non-circular passages that extend from the engine exhaust port to the atmosphere. The performance of the engine is not impaired by the non-circular passages compared with prior pipes having circular pa... | 05/07/2002 |
| 6349541 | Exhaust silencer for an internal combustion engine and the method of operation An engine exhaust silencer arrangement with a variable geometry, which is controlled by control elements in dependence of engine data. The increased exhaust noise occurring during engine operation under differing engine stroke modes is suppressed by the d... | 02/26/2002 |
| 6202409 | Acoustically-enhanced intake/exhaust system and method for internal combustion engines The acoustical system has a sound-producing transducer mounted in the exhaust pipe of the engine, at proximity of the exhaust port and oriented toward the exhaust port, for emitting and directing a sound pulse toward the exhaust port. The sound-producing ... | 03/20/2001 |
| 6158215 | Varible exhaust resonance chamber valve system for two-cycle engines A variable exhaust resonance chamber valve system for internal combustion engine. The engine includes a cylinder having an exhaust port with an axial extent along the axis of the cylinder structure. An exhaust passage having a resonance port extends from ... | 12/12/2000 |
| 6151892 | Internal combustion engine with programmed water injection into its exhaust system An exhaust system for an internal combustion engine used in a marine propulsion system is provided with a water injection system by which water can be injected into the exhaust system. An engine control unit, which comprises a micro-processor, is used to ... | 11/28/2000 |
| 6134885 | Exhaust system tuned for performance with shared wall An exhaust pipe for an internal combustion engine has non-circular passages that extend from the engine exhaust port to the atmosphere. The performance of the engine is not impaired by the non-circular passages compared with prior pipes having circular pa... | 10/24/2000 |
| 6129059 | 2-stroke cycle internal combustion engine To provide a 2-stroke cycle internal combustion engine for a vehicle in which less blowoff of a gas mixture occurs in a combustion chamber, fuel consumption is low and high exhaust gas purifying performance is attained. The cylinder of the internal combus... | 10/10/2000 |
| 6109026 | Muffler with catalytic converter Muffler with catalytic converter (1) essentially arranged in direct connection with a combustion engine's exhaust port and especially intended for portable working tools such as chain saws. At least one partition (2) is embodied in the muffler, or instanc... | 08/29/2000 |
| 6052990 | Exhaust pipe and method and system for enhancing engine performance A double U shaped exhaust pipe having varying internal pipe diameters for increasing horsepower, designed within internal combustion engine vehicle racing or other rules that limit such features as overall size. A first stage portion of the exhaust pipe p... | 04/25/2000 |
| 6026641 | Method and apparatus for improved control of exhaust gas temperature from a two-stroke engine An exhaust gas temperature control system for a two-stroke engine, the exhaust gas temperature control system including an electronically controlled water injection system. The electronically controlled water injection system includes a water supply condu... | 02/22/2000 |
| 5983633 | Electronically controlled water injection system An exhaust system tuned during low RPM operation while the exhaust chamber retains its preset tuning for optimal high RPM operation. An exhaust controller according to an embodiment of the present invention receives an RPM signal from the engine and proce... | 11/16/1999 |
| 5946908 | Engine control and wall temperature sensor A number of embodiments of exhaust temperature sensors that cooperate with an exhaust control for maintaining optimum engine performance by controlling the exhaust temperature to maintain the desired pulse back effect on the exhaust system.... | 09/07/1999 |
| 5862662 | Engine exhaust system including internal expansion chambers around the exhaust branch pipes A snowmobile having a lightweight fabricated frame assembly. The frame assembly includes a number of reinforcing elements, some of which comprise heat exchangers for the liquid cooling system of the engine, so as to provide high rigidity and light weight.... | 01/26/1999 |
| 5785014 | Expansion chamber for two-cycle engine Expansion chambers for two-cycle engines include a moveable closure piston which selectively increases the flow cross-sectional area geometrically upon increasing back pressure. The improved expansion chamber thus results in better regulation of the back ... | 07/28/1998 |
| 5746054 | Method and apparatus for tuned pipe water injection In an exhaust expansion chamber or tuned pipe of a two-cycle engine in a watercraft, variable amounts of water are injected, thus cooling the temperature within the expansion chamber and matching the sonic wave speed with that of the correct rpm of the mo... | 05/05/1998 |
| 5605119 | Exhaust control valve for engine An exhaust control valve arrangement for a two cycle internal combustion engine for altering the compression ratio to provide optimum running under all conditions. An arrangement is provided or cleaning the exhaust control valve and its surrounding cooper... | 02/25/1997 |
| 5579638 | Adjustable exhaust system An adjustable-length exhaust system for use with two-cycle motors is disclosed. An insert section of pipe is interposed between a header pipe and a conventional tail pipe so that, when it is rotated, the overall length of the exhaust system is adjusted. T... | 12/03/1996 |
| 5502963 | Power device for driving auxiliary equipment for internal combustion engine A power device for driving an auxiliary equipment for an internal combustion engine capable of driving both a fuel injection unit and a valve without specifically providing a adjusting valve when the engine includes no battery acting as a power supply. A ... | 04/02/1996 |
