Did You Know...
...that the first rickshaw was invented in 1869 by an American Baptist minister, the Rev. E. Jonathan Scobie, to transport his invalid wife around the streets of Yokohama?
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| Number | Title | Issue Date |
| 7361201 | Air cleaner device An air cleaner device for exchanging an element without permitting dust and dirt collected between the element and an air guide member in a clean side to fall and for smoothly permitting intake air to be supplied to the engine. An air cleaner device includes a cylin... | 04/22/2008 |
| 7287504 | Over-center actuator The disclosure allows a short runner valve or manifold tuning valve type manifold tuning device to retain sufficient force on the valve assembly in its closed state to eliminate any vibration or chatter from the system under normal engine operation. The disclosure a... | 10/30/2007 |
| 7066135 | Intake system for a vehicle engine An intake system for a vehicle engine includes an air cleaner and a plurality of throttle bodies. The air cleaner encases an air cleaner element in an air cleaner housing for filtering air flowing from an unfiltered air chamber to a filtered air chamber of the air c... | 06/27/2006 |
| 7028681 | Twin carburetor for V-type engine To improve productivity of a connection member between first and second carburetors, and to reduce maintenance work area for a main drive throttle valve lever, a driven throttle valve lever and a connection lever, a main drive throttle valve lever is arranged to pro... | 04/18/2006 |
| 6382196 | V-type two cylinder engine and straddle-type four wheel all terrain vehicle having it mounted thereon A V-type two cylinder engine comprises: cylinders arranged forward and rearward such that they are inclined in V shape; a downdraft carburetor unit placed between the cylinders and including twin venturi bores provided for the respective cylinders and an ... | 05/07/2002 |
| 6269799 | Outboard motor fuel supply system A fuel supply system for use with an engine having four vertically-arranged cylinders and multiple charge formers prevents air or vapor pockets from accumulating within the fuel pump or fuel lines. A pair of fuel pumps are mounted vertically one above the... | 08/07/2001 |
| 6205986 | Intake device for a V-type engine A V-type engine has front (first) and rear (second) cylinders being offset to sides opposite from each other. The front (first) and rear (second) carburetors are mounted in alignment with the centers of the front and rear cylinders, respectively. The body... | 03/27/2001 |
| 6029639 | Fuel supply system for a watercraft A fuel system is provided with an accelerator pump. The accelerator pump has a single influent port and multiple effluent ports. The single influent port draws fuel from a single charge former into a fuel chamber of the accelerator pump. An operational li... | 02/29/2000 |
| 6003502 | Mechanism for coordinating operation of throttle valves in carburetor system To provide a mechanism for coordinating the operation of throttle valves in a carburetor system in which a plurality of carburetors are connected in series and are then arranged in parallel with one another so as to position shafts thereof in parallel wit... | 12/21/1999 |
| 5738051 | Four-cycle marine engine Disclosed herein is a four-stroke internal combustion engine comprising a common crankcase, a crankshaft extending in the crankcase, first and second cylinders respectively extending from the common crankcase in acute angular relation to each other and re... | 04/14/1998 |
| 5522746 | Multi-cylinder engine structure and outboard engine A multi-cylinder engine structure includes a multi-cylinder engine body having a plurality of cylinders vertically arranged therein. A fuel feed system has a fuel pump connected to a plurality of carburetors disposed in a vertical arrangement sideways of ... | 06/04/1996 |
| 5326293 | Multi-cylinder engine structure and outboard engine A multi-cylinder engine structure includes a multi-cylinder engine body having a plurality of cylinders vertically arranged therein. A fuel feed system has a fuel pump connected to a plurality of carburetors disposed in a vertical arrangement sideways of ... | 07/05/1994 |
| 5309877 | Outboard engine assembly and internal combustion engine therefore An outboard engine assembly for use on a boat has an engine mechanism including in an upper region thereof an engine having a substantially vertical crankshaft and a vertical array of substantially horizontal cylinders. The engine mechanism is mounted on ... | 05/10/1994 |
| 5297526 | Glow-plug engine An improved glow-plug engine for use with a model airplane of the type that includes an output shaft for driving a propeller, a needle valve for controlling a flow of fuel into a carburetor, and a fuel line formed from resilient silicone rubber is provide... | 03/29/1994 |
| 5042435 | Manifold for an internal combustion engine using multiple carburetors An intake manifold for twin carburetors or twin air control throat bodies for a motorcycle or the like having one or more cylinders where the physical space is limited comprising a hollow central plenum chamber and hollow carburetor or air control throat ... | 08/27/1991 |
| 5036805 | Outboard engine An in-line multicylinder outboard engine for an outboard engine unit including a vertical array of cylinders, a vertically extending crankshaft, a flywheel mounted on the upper end of the crankshaft, and a camshaft driver unit positioned between the flywh... | 08/06/1991 |
| 4947807 | Internal combustion engine An internal combustion engine comprising a crankcase adapted to rotatably support a crankshaft having an axis, the crankcase defining a plurality of crankcase chambers and including a generally flat manifold mounting surface including therein a first seri... | 08/14/1990 |
| 4883616 | Vaporizer/carburetor and method A vaporizer unit has an enclosing casing including a plurality of tubes therein, defining a fuel passage therethrough, including the tubes. The tubes have coiled wire screen therein. An auxiliary carburetor is positioned at the inlet end of the fuel passa... | 11/28/1989 |
| 4802902 | Air cleaner cover and base for dual carburetor assemblies A universal air cleaner cover base plate assembly for mounting standard size ring shaped air filters on closely spaced dual carburetors includes a pair of circular base plates formed with eccentrically located circular openings. The openings enable the ba... | 02/07/1989 |
| 4768494 | Idling system for multi-cylinder two-stroke engine An idling system for a multi-cylinder two-stroke engine as used in an outboard motor. Through a porting arrangement in the carburetor of at least one of the cylinders, the fuel supplied to that cylinder at idle and off-idle speed is reduced to a value so ... | 09/06/1988 |
| 4506647 | Vapor fuel system internal combustion engines A vapor fuel system for an internal combustion engine includes two vaporizing units for vaporizing liquid fuel and mixing it with air and a vapor heat exchanger for heating the fuel vapor-air mixture prior to its combustion in the engine. Hot fluid circul... | 03/26/1985 |
| 4497288 | Intake device for an engine An intake device for an engine including the first intake valve located at the downstream end of the first intake passage that is connected to the primary carburetor. A second intake valve is located at the downstream end of the second intake passage that... | 02/05/1985 |
| 4487170 | Carburetor device for V-type internal combustion engines A carburetor device for V-type internal combustion engines having first and second cylinders disposed in a form like V and first and second carburetors disposed between those cylinders and adapted to supply a gaseous mixture to the associated cylinders in... | 12/11/1984 |
| 4474144 | Motorcycle engine A multi-cylinder internal combustion engine is mounted on the frame body of a motorcycle. The engine has a front cylinder block extending forward and a rear cylinder block extending upward so that a V-shaped space is defined between the cylinder blocks. A... | 10/02/1984 |
| 4452218 | Duplex carburetor and intake system for internal combustion engines A duplex carburetor for an internal combustion engine has a primary barrel having a primary venturi for supplying an air-fuel mixture to an intake manifold under a full range of engine loads and a secondary barrel having a secondary venturi for supplying ... | 06/05/1984 |
| 4449505 | Internal combustion engine Several embodiments of internal combustion engines offering improved performance in the form of improved fuel economy and reduction in the emission of unwanted exhaust gas constituents at idle and low speed operation. In each embodiment, an induction syst... | 05/22/1984 |
| 4445466 | Carburetion system for V-type internal combustion engines A carburetion system for V-type internal combustion engine having a first carburetor and a second carburetor disposed in a space between a first cylinder and a second cylinder arranged in a form like V and adapted to supply air-fuel mixture to respective ... | 05/01/1984 |
| 4305350 | Dual fuel system A dual fuel system is disclosed which, when retrofitted to a standard gasoline engine of an automobile, permits the automobile to run on one of two fuels. The dual fuel system comprises two fuel tanks; two carburetors, each connected to a fuel tank and po... | 12/15/1981 |
| 4230082 | System for regulating the fuel supply of an internal combustion engine A carburetor of an internal-combustion engine in an automotive vehicle has at least one main duct and an ancillary duct supplying an air/fuel mixture to a manifold, the fluid flow through the ducts being controlled by an accelerator via ganged butterfly v... | 10/28/1980 |
| 4203411 | Additional carburetor The invention concerns an additional carburetor characterized in that it consists of a body fitted on the intake pipe, a carburation adjusting head directly fed with fuel under pressure, an intake pressure element arranged downstream the throttle of the m... | 05/20/1980 |
| 4153015 | Carburetor adapter for multicylinder engines and manifold therefor Disclosed is a manifold and carburetor system especially for motorcycles having a plurality of cylinders so that each cylinder can be assured of uniform fuel input. Balancing means in the manifold uniformly distributes a fuel charge to the plural cylinder... | 05/08/1979 |
| 4144850 | Auxiliary intake passage for internal combustion engines An auxiliary intake passage system for internal combustion engines having a main carburetor delivering a lean mixture to main combustion chambers through a main intake passage, and an auxiliary carburetor delivering a rich mixture to auxiliary combustion ... | 03/20/1979 |
| 4104881 | Prevention of overheating of catalytic converter for engine exhaust gases Overheating of a catalytic converter receiving exhaust gases from an internal combustion engine is minimized by providing an air-fuel mixture leaner than the stoichiometric ratio for combustion in the engine, maintaining the exhaust gases in an exhaust re... | 08/08/1978 |
| 4103657 | Twin-barrel carburetor with an air-fuel ratio control device The provision of an air-fuel ratio control is made to the secondary side of a twin-barrel carburetor as well as the primary side thereof.... | 08/01/1978 |
| 4094283 | Internal combustion engine Two or more carburetors for an internal combustion engine are mounted on a member providing inlet ducts for each carburetor to engine. The member also includes: An engine coolant duct to heat the ducts; and, further an exhaust gas duct to provide rapid he... | 06/13/1978 |
| 4091781 | Air-fuel ratio control system in an internal combustion engine An air-fuel ratio control system in a twin carburetor type of an internal combustion engine comprising two SU carburetors each provided with an air-bleed passage opening into a main nozzle of said carburetor, a quantity of the bled air being regulated by ... | 05/30/1978 |
| 4079716 | Manifold system A fraction of exhaust gas heatingly contacts an induction manifold riser bottom wall and an adjacent radiating wall to heat said riser bottom wall rapidly to vaporize fuel droplets passing through multiple air fuel induction passages.... | 03/21/1978 |
| 4072139 | Carburetor This carburetor comprises plural cell carburetors which are controlled by a servo controller which controls the internal pressure of the carburetor to maintain the pressure constant by opening the air paths of needed number of the cell carburetors. Every ... | 02/07/1978 |
| 4065920 | Two barrel carburetor A two barrel carburetor is disposed in an intake system of an internal combustion engine having a catalytic converter in the exhaust system thereof. One of the barrels is a conventional carburetor barrel, while the other one of the barrels is provided wit... | 01/03/1978 |
| 4062334 | Fuel system of internal combustion engine A fuel system for an internal combustion engine comprises a pair of carburetors provided one each on the exhaust and intake side of the engine. The fuel-air mixture from the first carburetor is heated by exhaust gas before being introduced into an intake ... | 12/13/1977 |
