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| Number | Title | Issue Date |
| 8171897 | Cooling structure of internal combustion engine A cooling structure of an internal combustion engine includes a cylinder block having a plurality of cylinder bores; a cylinder head disposed on an upper portion of the cylinder block; two camshafts disposed on the cylinder head so as to be juxtaposed to each other ... | 05/08/2012 |
| 7980205 | Air-cooled engine An air-cooled engine (10) is cooled by cooling air (Wi). The air-cooled engine (10) includes a cylinder block (33) and a cylinder head (28). The cylinder block (33) has cylinder cooling through-ducts (101, 102) capable of tr... | 07/19/2011 |
| 7866285 | Cooling air conduit for V-twin cylinders A cooling air conduit for motorcycle engine which is particularly suitable for V-twin cylinders is provided which is constructed of a conduit body of elongated, tapered shape formed by a top panel, a bottom panel and two side panels such that a cool air passageway i... | 01/11/2011 |
| 7779792 | Air-cooled engine An air-cooled engine (10) has a fan cover (16) for covering a cooling fan (14). The cover (16) is composed of a fan-cover peripheral wall (44) for covering the outside of the cooling fan (14), and a top board (45) for... | 08/24/2010 |
| 7487746 | Engine-driven tool A drive system for a tool, particularly a chain saw, includes a fresh air inlet and an intake manifold arranged after the fresh air inlet in the flow direction of the fresh air that opens into a carburettor. A combustion engine is provided that is arranged after the... | 02/10/2009 |
| 7475657 | Intake air and carburetor heating arrangement for V-twin engines A V-twin engine having a crankcase and a pair of cylinders defining a V-space therebetween, wherein the V-space is substantially enclosed, and a carburetor is positioned within the V-space. An intake air preheating arrangement supplies heated intake air to the carbu... | 01/13/2009 |
| 7409931 | Forced-air-cooled engine equipped with cooling air guide cover A forced-air-cooled engine has a main blow-out opening provided to a back plate of a cooling fan cover at a position facing a cylinder part for blowing out cooling air for cooling a cylinder part and a secondary blow-out opening provided to the back plate at a posit... | 08/12/2008 |
| 7370388 | Air cleaner for portable engine An air cleaner for a portable engine, includes an air cleaner case attached to an upper part of an engine body of the engine. Preferably, the air cleaner case is supported on an upper wall of a shroud covering the engine. Preferably, the air cleaner case is formed i... | 05/13/2008 |
| 7363886 | Power unit To achieve improved cooling in a power unit, a first fan is coupled with an end of a crankshaft of an internal combustion engine to cool at least a cylinder of the internal combustion engine, and a second fan is coupled with another end of the crankshaft to cool at ... | 04/29/2008 |
| 7360512 | Low-thermal-inertia intake ports for port-injected, spark ignition engines and an associated manufacturing method The present invention provides an intake port design that provides a low thermal inertia characteristic, thereby decoupling the surface temperature of the intake port walls from that of the coolant through use of an air gap formed between the intake port and the cyl... | 04/22/2008 |
| 7357205 | Motorcycle A motorcycle can include an air cleaner in communication with intake ports of its engine, and a wind introduction duct for introducing a wind into a primary chamber of the air cleaner. The wind introduction duct can extend from an outside air introduction port locat... | 04/15/2008 |
| 7310946 | Circuit arrangement for cooling charge air and method for operating a circuit arrangement of this type The invention relates to a circuit arrangement (K) comprising a low-temperature circuit (NK) for cooling charge air (13) that is fed to a motor (8) in a motor vehicle equipped with a turbocharger. According to the invention, the charge air (13) ... | 12/25/2007 |
| 7284508 | Intake air and carburetor heating arrangements for V-twin engines A V-twin engine having a crankcase and a pair of cylinders defining a V-space therebetween, wherein the V-space is substantially enclosed, and a carburetor is positioned within the V-space. An intake air preheating arrangement supplies heated intake air to the carbu... | 10/23/2007 |
| 7240648 | Radial engine A four-stroke radial engine comprises cylinders arranged radially with respect to a driving shaft of said radial engine and pistons associated with said cylinders, said pistons being connected to said driving shaft by means of respective connecting rods which are ro... | 07/10/2007 |
| 7224578 | Ergonomic control panel for a portable electric generator A control panel for a portable electric generator. The control panel includes three distinct zones having logically organized switches and outlets. The first zone includes those switches used most frequently. The second zone includes a plurality of 120 VAC electrica... | 05/29/2007 |
| 7210547 | Straddle-type vehicle A straddle-type vehicle is provided with an engine unit and an engine air-intake system. The engine unit includes a cylinder head provided with an air-intake port communicating with a combustion chamber, the air-intake port being provided with a valve seat disposed ... | 05/01/2007 |
| 7168516 | Air cleaner device in vehicle An air cleaner device for a vehicle is provided with an air cleaner body containing an air cleaner element and a snorkel connected to the air cleaner body to introduce the outside air into the air cleaner body. The snorkel extends forward of the vehicle past a side ... | 01/30/2007 |
| 7168132 | Portable handheld work apparatus having thumb supports The invention relates to a portable handheld work apparatus including a chain saw, a vacuum/blower apparatus or the like. The work apparatus has a handle (2) for carrying and guiding the work apparatus (1). Thumb supports (4, 5) are provided on ... | 01/30/2007 |
| 7165537 | Charge air cooler A charge air cooler with an integral precooler is disclosed which cools charge air by using both liquid coolant and air coolant. The charge air path is not affected by the use of the liquid coolant. The charge air cooler disclosed can cool particularly hot charge ai... | 01/23/2007 |
| 7143724 | Power supply device for vehicle A power supply device for a vehicle, for driving a motor which is mounted on a vehicle and makes the vehicle travel. The power supply device for a vehicle includes: a battery unit having a plurality of secondary batteries; a battery temperature sensor for detecting ... | 12/05/2006 |
| 7117838 | Internal combustion engine In an internal combustion engine, a piston reciprocating in a cylinder and a crankshaft are linked with each other by a piston-crank linking mechanism. The crankshaft includes a counterweight. When the piston is located in the proximity of a bottom dead center, an o... | 10/10/2006 |
| 7114481 | Stabilized bearing structure for supporting a crankshaft in an internal combustion engine, and engine including same An internal combustion engine includes a split crankcase with spaced-apart journal walls. Each journal wall has a bearing hole formed therein. The engine also includes rotary bearings for supporting rotary movement of a crankshaft. A backlash-absorbing mechanism is ... | 10/03/2006 |
| 7100584 | Method and apparatus for controlling an internal combustion engine An engine control system determines a desired temperature range of air flowing into an intake manifold of the engine as a function of an operating characteristic, such as the load on the engine or the operating speed of the engine. A bypass conduit is provided in pa... | 09/05/2006 |
| 7081682 | Portable power modules and related systems A portable power module trailerable over public roads and capable of providing at least approximately one megawatt of electrical power. In one embodiment, the portable power module includes a gaseous fuel motor drivably connected to an electrical generator. The moto... | 07/25/2006 |
| 7080611 | Engine-driven work machine An engine-driven work machine enables the work machine and its electrical components to be properly cooled. An engine-driven work machine comprises an engine, a work machine driven by an engine, and electrical components belonging to the work machine, and supplies a... | 07/25/2006 |
| 7033525 | High conductivity polyaniline compositions and uses therefor The present invention describes compositions formed from polyanaline and carbon nanotubes, which exhibit enhanced conductivity and which provide uses in electronic circuit applications. ... | 04/25/2006 |
| 7017531 | Vehicle intercool system The invention involves a vehicle with a cab. The environment of the cab may be maintained by a heating, ventilation, and air-conditioning (HVAC) system that will provide cool air to the cab in hot weather and warm air to the cab in colder weather. The HVAC system wi... | 03/28/2006 |
| 7007660 | Portable power working machine A portable power working machine is disclosed, which is capable of effectively minimizing the clogging of the air cleaner, thereby dispensing with frequent maintenance. This portable power working machine comprises an air cleaner (30) having a base body case ... | 03/07/2006 |
| 6994070 | Portable air blowing working machine There is provided a portable air blowing working machine capable of obviating frequent operation for the maintenance of air cleaner and hence capable of improving working efficiency. This working machine includes an internal combustion engine having the air cleaner ... | 02/07/2006 |
| 6988573 | Cooling system for internal combustion engine A cooling air path is formed by an air duct provided in front of an engine and below main frames. The air duct has a cooling air port that is almost the same width, in plan view, as the lateral width of the main frames and a discharge port is formed thinner than the... | 01/24/2006 |
| 6959760 | Downhole pulser A power generator for use in a wellbore formed in an earth formation, including an internal combustion engine having a cylinder and a piston defining a combustion chamber in the cylinder, the engine being arranged to induce a reciprocating movement to the piston rel... | 11/01/2005 |
| 6938587 | Hand held power tool A power tool including a main section and a handle section. The main section includes an internal combustion engine and a housing at least partially surrounding the engine. The engine includes a cylinder, a spark plug, and a muffler. The handle shaft extending from ... | 09/06/2005 |
| 6922925 | Construction machine A construction machine of the present invention is provided, in a compartment formed by a cover, with an engine, a centrifugal fan, and a heat exchanger for exchanging heat between cooling air blown by the centrifugal fan and a specified medium, wherein the centrifu... | 08/02/2005 |
| 6845739 | Small-size engine with forced air cooling system To provide a small-size engine having a forced air cooling system, wherein the amount of protrusion of the air intake system outwardly from the engine body can be minimized and the limitation on the space required for installation of the engine to the various work u... | 01/25/2005 |
| 6840743 | Plural fan installation for a cooling system for a motor vehicle, with a control unit, for controlling plural fan motors, mounted within one motor housing The present invention provides a fan installation for a cooling system of a motor vehicle, comprising at least two fans which respectively have an electric fan motor arranged in a separate housing and a fan wheel which can be driven by the fan motor. The fan install... | 01/11/2005 |
| 6810849 | Four-stroke internal combustion engine A four-stroke internal combustion engine is provided that is capable of use in many power tools, including those power tools subjected to tippable applications. There is provided within an engine housing an oil reservoir and a valve chamber which independently commu... | 11/02/2004 |
| 6786192 | Portable, manually guided implement An implement is provided having a motor housing in which is disposed an internal combustion engine as a drive for a tool. The implement also includes a carburetor and an air filter. An air filter chamber is provided with a cover element that includes two cover porti... | 09/07/2004 |
| 6786291 | Motor vehicle with a front-mounted engine and air guide chassis A motor vehicle with a forward-mounted engine and a forward-situated air intake has a tubular chassis element running in the longitudinal direction of the vehicle. Between the air intake and the chassis element there is a guide arrangement for leading air into and t... | 09/07/2004 |
| 6782849 | Cooling system for an internal combustion engine A cooling system for an internal combustion engine with two-stage supercharging includes a charge-air line in which is provided a first compressor of a first turbocharger and a second compressor of a second turbocharger downstream of the former, a first charge-air c... | 08/31/2004 |
| 6779622 | Structure for cooling power drive unit for automobile To cool a power drive unit for controlling the operation of a motor-generator connected to an engine and function as either a motor or a generator, an electric power drive unit-accommodating chamber is defined outside a side frame disposed on a side of an engine roo... | 08/24/2004 |
