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David Sarnoff, American radio pioneer ; 1921
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| Number | Title | Issue Date |
| 7954314 | Marine propulsion system with a catalyst contained within the body of the engine An engine is provided with a cavity so that a catalyst member can be contained within the engine when an engine head portion is attached to an engine block portion. This attachment of the engine head portion and engine block portion, which forms the engine structure... | 06/07/2011 |
| 7779625 | Device and method for wound therapy A wound therapy device is disclosed. The wound therapy device may include a housing for covering at least a portion of a wound and for sealing to a body surface of a patient. The housing may also include a liquid collector for retaining liquid therein and a vacuum c... | 08/24/2010 |
| 7426980 | Internal combustion engine exhaust system An exhaust system for an internal combustion engine having two banks of cylinders by which pulses of exhaust gas are alternately directed to a diverter subassembly. The diverter subassembly, which is located in the muffler, includes a perforated gas decelerator cham... | 09/23/2008 |
| 7418818 | Exhaust system, and engine device and vehicle with the same An exhaust system includes a first exhaust pipe group, a first catalyst device, and a second exhaust pipe group. A first coupling pipe of the first exhaust pipe group includes spaces in communication with respective first exhaust pipes. A second coupling pipe of the... | 09/02/2008 |
| 7412824 | Catalytic converter system for diesel engines An improved exhaust system for a diesel engine and an improved overhead exhaust manifold segment therefore wherein the improvement comprises a plurality of catalytic converter elements removably positionable in the overhead exhaust manifold over the outlet ends of a... | 08/19/2008 |
| 7363761 | Exhaust gas throttle for divided turbine housing turbocharger A turbocharger (107) for an internal combustion engine (100) includes a turbine having a divided turbine housing (109). A first inlet port (113) may be connected to a first volute that is formed in the turbine housing (109), and a ... | 04/29/2008 |
| 7360620 | Engine mounting structure of low floor type vehicle In a low floor type vehicle 10, a banking angle θ1 of a longitudinal V-type engine 100 mounted below a low floor is set to an angle equal to or exceeding approximately 90°. The V-type engine is arranged with a bisector L1 of the banking angle ... | 04/22/2008 |
| 7350351 | Exhaust system of engine of motorcycle An exhaust system of an engine of a motorcycle, including an exhaust pipe configured to extend in one of an upward direction and a downward direction from an exhaust port formed at a front portion of a cylinder head of the engine and to then be bent to extend in an ... | 04/01/2008 |
| 7350823 | Double pipe forked part structure and method of making the same A forked part structure of a double pipe has an outer pipe, an inner pipe, a branch pipe and an open end portion of the outer pipe. The open end portion of the outer pipe has a substantially tubular inner pipe supporting portion to which the inner pipe is brazed, an... | 04/01/2008 |
| 7347045 | Motorcycle dynamic exhaust system The present invention provides a method of operating a dynamic exhaust system of a motorcycle engine. The method includes providing a valve in the exhaust system that is movable to direct exhaust gases between a first flow path through the exhaust system and a secon... | 03/25/2008 |
| 7334402 | Exhaust system with catalytic converter and motorcycle using the same A catalytic converter-incorporated exhaust system is provided, which includes an exhaust tube through which exhaust gases emitted from an engine flow, and a muffler fluidly connected with a downstream end of the exhaust tube. This muffler includes a muffler casing h... | 02/26/2008 |
| 7325396 | Exhaust manifold An exhaust manifold includes an open/close valve that switches between either closing or opening the exhaust path of a collection section, and switches the exhaust path of the exhaust gas between passing through or not passing through a bypass path containing an ups... | 02/05/2008 |
| 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 |
| 7287373 | Exhaust pipe collecting structure of multiple cylinder engine and personal watercraft An exhaust pipe collecting structure for a multi-cylinder engine unit having multiple cylinders including a first exhaust pipe group and a second exhaust pipe group, each of which has two exhaust pipes selected from four exhaust pipes respectively connected to the f... | 10/30/2007 |
| 7275511 | Intake manifold assembly An intake assembly is provided for a sequentially fired eight cylinder V-type internal combustion engine including a cylinder block having a first band of cylinders and a second bank of cylinders. The assembly includes first, second, third, and fourth intake plenums... | 10/02/2007 |
| 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 |
| 7252177 | Exhaust system for engine An exhaust manifold has a structure such that an end portion of a collecting section where pipes connected to respective cylinders of an engine are collected is connected to an exhaust pipe via a joint tube member. The joint tube member is constituted by an upper jo... | 08/07/2007 |
| 7246680 | Sound dampening assembly for automotive exhaust system A sound dampening assembly adapted to engage an exhaust pipe in an automotive engine exhaust system adjacent an outlet of an internal combustion engine. The assembly includes a bottle portion having a single opening and an interior defining a predetermined amount of... | 07/24/2007 |
| 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 |
| 7219764 | Exhaust muffler A muffler may comprise a casing having an internal volume, an inlet and an outlet, and a diverter plate dividing the internal volume into a first chamber and a second chamber. The diverter plate may comprise a baffle wall portion and at least one diverter having a d... | 05/22/2007 |
| 7171804 | Exhaust system for multi-cylinder engine, and straddle-type vehicle provided with same An exhaust system for a multi-cylinder engine can include a plurality of exhaust pipes with first upstream ends connected to exhaust openings of a multi-cylinder engine, and a collecting pipe connected to the second downstream ends of the exhaust pipes for collectin... | 02/06/2007 |
| 7171805 | Deflector style exhaust manifold An exhaust manifold is provided with deflector members positioned between downstream gas inlets and a main gas passage. The deflector members redirect the flow of exhaust gas from the inlets into the general direction of the gas flowing in the main passage as the ex... | 02/06/2007 |
| 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 |
| 7150273 | Exhaust manifold arrangement A passageway is provided between branches of a multi-branch exhaust manifold to reduce the amount of backflow (iEGR) into the cylinders at low engine speeds. The passage is located upstream of the turbocharger and can be at the part of the manifold where the branche... | 12/19/2006 |
| 7124575 | Exhaust header modeling apparatus and method An exhaust header modeling apparatus includes a plurality of interchangeable straight and curved short cylindrical segment members which are selectively and releasably joined together end-to-end manually and rotated relative to one another to form a full-scale three... | 10/24/2006 |
| 7121088 | Automotive exhaust valve A valve assembly is adapted to be disposed in an automotive engine exhaust system at an outlet of an internal combustion engine. The assembly includes a valve body having an opening therethrough including an inlet portion and an outlet portion. A first valve and a s... | 10/17/2006 |
| 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 |
| 7090048 | Method and apparatus for exhaust sound attenuation on engines with cylinder deactivation A system for attenuating exhaust noise from an engine with a first group of active cylinders and a second group of deactivatable cylinders includes a first exhaust manifold connected to the first group of active cylinders and a second exhaust manifold connected to t... | 08/15/2006 |
| 7089731 | Rotating motorcycle exhaust pipe A an improvement in a two wheel motor vehicle having an internal combustion motor and a wheel drive mechanism, wherein the motor has an exhaust system connected thereto, includes a) an exhaust system having a first exhaust pipe and a second exhaust pipe with the fir... | 08/15/2006 |
| 7086224 | Rotating motor vehicle tail pipe A motor vehicle having at least three wheels, an internal combustion motor and a wheel drive mechanism, wherein the motor has an exhaust system connected thereto, includes a) an exhaust system having a first exhaust pipe and a second exhaust pipe with the first exha... | 08/08/2006 |
| 7073625 | Exhaust gas muffler and flow director Either or both of an exhaust pipe coupled to the output end of an automobile engine collector pipe or the plurality of pipes coupled to the input apertures of the collector pipe from the engine are apertured along their lengths and contained within a further surroun... | 07/11/2006 |
| 7044253 | Exhaust pipe structure of vehicle with low floor A low floor vehicle is a scooter-type motorcycle in which a power unit with a longitudinal V-type engine is mounted below a low floor. The power unit is substantially U-shaped when the power unit is viewed from the top by configuring the transmission unit of the pow... | 05/16/2006 |
| 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 |
| 7001231 | Dual water injector for primary and idle relief exhaust passages A water cooling system for an outboard motor provides a water conduit that extends through both an idle exhaust relief passage and a primary exhaust passage. Water within the water conduit flows through first and second openings to distribute sprays or streams of wa... | 02/21/2006 |
| 6990806 | Exhaust header for internal combustion engine The present invention 10 discloses an exhaust header having heat sinks forming an integral part of the header conduit 14. The heat sinks are in the form of a plurality of radially positioned longitudinal fins 20 extending between the distal ends... | 01/31/2006 |
| 6978606 | Equal length crossover pipe exhaust system An equal length crossover pipe exhaust system for an engine of a vehicle includes a plurality of exhaust manifolds for connection to outlets of cylinders of the engine. The equal length crossover pipe exhaust system also includes a plurality of crossover pipes havin... | 12/27/2005 |
| 6979130 | Bearing device The aim of the invention is to improve a bearing device for rotatably receiving a control element (2) in lines which guide mediums and pertain to a combustion engine with bearing receptacles (10, 11), in such a way that the assembly thereof is simplifi... | 12/27/2005 |
| 6962049 | Exhaust manifold for four-cylinder engine In an exhaust manifold of a four-cylinder engine four cylinders of which line up in order of cylinder #1, cylinder #2, cylinder #3 and cylinder #4, temperature rise performance of a manifold catalyst improves by shortening a total length ... | 11/08/2005 |
| 6962048 | Engine exhaust apparatus An exhaust manifold of an engine exhaust apparatus includes a plurality of exhaust branches and a straight pipe section. The exhaust branches extend toward a confluence portion, from respective upstream ends to be connected with cylinders of an engine. The straight ... | 11/08/2005 |
| 6959543 | Exhaust gas manifold of an exhaust system for an internal combustion engine An exhaust gas manifold of an exhaust system for an internal combustion engine includes a diverging pipe elbow and exhaust pipes. Each exhaust pipe has an end and is connected to the diverging pipe elbow. The ends of the exhaust pipes extend substantially unidirecti... | 11/01/2005 |