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| Number | Title | Issue Date |
| 7367329 | Intake device for engine An intake device for an engine includes a fuel supply system for supplying fuel to an intake passage and a plurality of plates. The plurality of plates are positioned on an upstream side and a downstream side along a direction of a flow of intake air and arranged at... | 05/06/2008 |
| 7316226 | Heated PCV system A PCV system includes heated PCV valve for metering a flow of crankcase gases therethrough and a heated inlet manifold fitting for receiving a flow of crankcase gases therethrough. The PCV valve and the heated inlet manifold fitting are in communication with a curre... | 01/08/2008 |
| 7288748 | PTC electrical heating devices PTC electrical heating devices are disclosed which are suitable to vaporize air treatment chemicals from an impregnated slab, such as insect repellents. In one form an electrical contact to a PTC heater element is provided with a bowl-shaped contact head to reduce t... | 10/30/2007 |
| 7278389 | Automobile intake air flow plenum and plenum diverter An airflow diverter and replacement air intake plenum is disclosed that provides an increase in the air speed and airflow within the intake plenum of an automobile. The increase is the result of providing appropriately sized and shaped apparatus to smooth out the ai... | 10/09/2007 |
| 7168418 | Heating device for carburetor A portion of the engine cooling water flowing from the cooling water pump through the engine and the radiator back to the cooling water pump is introduced into the carburetor through piping to heat the carburetor. The downstream side of the carburetor piping is conn... | 01/30/2007 |
| 7131432 | Natural gas engine supply method and apparatus A method and apparatus providing for efficient operation of gas engines in non-ideal temperature conditions. An apparatus is provided in fluid communication with a source of gas, and with the gas input of a gas engine. The apparatus accepts gas from the source, and ... | 11/07/2006 |
| 7111617 | Diverter for exhaust gas recirculation cooler A diverter, apparatus and method of bypassing an exhaust gas recirculation cooler in order to selectively cool recirculated exhaust gas is disclosed. The diverter relies on the Coanda effect to direct the exhaust gas flow to the cooler or to a bypass around the cool... | 09/26/2006 |
| 6581582 | Preheat fuel delivery system A preheat fuel delivery system includes a fuel processor and a source of vaporized fuel. Vaporized fuel is feed into the inlet fuel port of the fuel processor. An outlet fuel port of the fuel processor is connected to an intake port of a combustion source... | 06/24/2003 |
| 6484701 | Four-stroke cycle internal combustion engine In a compression stroke and an exhaust stroke, a part of a mixture in a downstream intake passage 30b is introduced through a branch intake passage 50a into a crank chamber 20. The mixture introduced into the crank chamber 20 flows into a valve chamber 16... | 11/26/2002 |
| 5367990 | Part load gas exchange strategy for an engine with variable lift camless valvetrain A variable engine valve control system and method of operation thereof wherein each of the reciprocating engine valves is hydraulically or electrically controlled and can vary its lift schedule for various engine operating conditions. During part load ope... | 11/29/1994 |
| 5337706 | High-performance internal-combustion engine, particularly of the four-stroke type High-performance internal-combustion engine, particularly of the four-stroke type, including an engine block inside which combustion chambers are formed; each chamber slidingly accommodates a piston and is connected to at least one inlet duct for the air-... | 08/16/1994 |
| 5337723 | Fuel supply control device for internal combustion engines A fuel supply control device for an internal combustion engine in which fuel is injected from a fuel injection device (6) in an intake port (2.1) and air that flows into the intake port is mixed with the injected fuel to be supplied to combustion chamber ... | 08/16/1994 |
| 5327874 | Method and device for preparing fuel-air mixture for internal combustion engine The present invention relates to the engine-building industry and can find application in the fuel feed system of internal combustion engines for preconditioning part of the flow of a rich fuel-air mixture fed to the main flow to decompose liquid fuel and... | 07/12/1994 |
| 5261359 | Reciprocating 2-stroke cycle internal combustion engine A superchargeable multi-cylinder 2-stroke cycle internal combustion engine employs opposite reciprocating mult-port slide valves in guideways on opposite sides of the engine block, to open and close cylinder air supply and combustion gas discharge conduit... | 11/16/1993 |
| 5172673 | Injection internal combustion engine with electrical spark ignition An internal combustion engine having a fuel injection furnishing fuel to a cylinder via a cylinder head passage leading to a cylinder inlet valve and having an air inlet channel member furnishing air to the cylinder via the passage has a heating element h... | 12/22/1992 |
| 5154154 | Intake device for a mixture-compressing internal-combustion engine An intake device for a mixture-compressing internal-combustion engine has a heating element for heating the injected fuel downstream of an injection nozzle in the intake channel in order to avoid formation of fuel condensate which is harmful in the exhaus... | 10/13/1992 |
| 5152272 | Cylinder head with an evaporation element in an air-intake channel A cylinder head of an internal-combustion enbgine with at least one inlet valve and a fuel injection in an air-intake channel has an evaporation element intended for improving the fuel/air mixture formation projecting into the air-intake channel. The evap... | 10/06/1992 |
| 5140967 | Evaporation element in an internal-combustion engine cylinder head In multi-valve engines, a partition wall dividing the intake channel into inlet-valve channels as an evaporation element in the intake channel of a cylinder head of an internal-combustion engine for improving the fuel-mixture formation and consequently fo... | 08/25/1992 |
| 5140966 | Carburetor for an internal combustion engine Carburetors and fuel injection systems are used to facilitate a combustile mixture of air and fuel for internal combustion engines. Inherently, the fuel in this mixture is mostly in liquid droplets. However, it is the vaporous fuel which combines with the... | 08/25/1992 |
| 5134986 | Internal combustion engine with fuel heater An internal combustion engine has a channel member such as a plenum chamber or cylinder head or the like with an inlet receiving air and fuel to form an air-fuel mixture and with a pair of outlets furnishing the air-fuel mixture to respective cylinders or... | 08/04/1992 |
| 5123398 | Carburetion system A fuel gasifier for an internal combustion engine having a gasification chamber, a device for injecting fuel into the chamber in droplets of about 30-50 microns or less in diameter, an ambient air inlet to the chamber with a flow control therefor, to admi... | 06/23/1992 |
| 5119794 | Fuel heater for internal combustion engines This invention relates to a fuel heating device for internal combustion engines, in which both fuel heating means and fuel conductance passage are accommodated in the main body, constructed in such a manner that the fuel is injected after being heated whi... | 06/09/1992 |
| 5056495 | Fuel supply device and heating device A fuel supply device and heating device or system for an electrically controlled fuel injection engine has an air intake and a fuel injector arranged to direct air and fuel respectively into a cylinder inlet passageway leading to a cylinder inlet valve op... | 10/15/1991 |
| 5054458 | Combustion engine with fuel injection system, and a spray valve fo r such an engine The invention relates to a combustion engine with fuel injection system, having at least one cylinder with an air inlet passage, into which passage opens a fuel spray valve which is connected to a fuel pipe with pump. Disposed in the fuel pipe or on the s... | 10/08/1991 |
| 5012788 | Fuel-air mixture-forming device for internal combustion engines The present invention proposes a fuel-air mixture-forming device for internal combustion engines, having a rotationally symmetric nozzle body (2) which, together with a rotationally symmetric throttle body (8) displaceable in it, forms a convergent-diverg... | 05/07/1991 |
| 5007402 | Intake system for a mixture-compressing internal-combustion engine The invention relates to an intake system for a mixture-compressing internal-combustion engine, having a heating element of flat form which is arranged in the intake channel downstream of a fuel-injection nozzle. The heating element is intended for heatin... | 04/16/1991 |
| 4979483 | Diesel fuel heater A diesel fuel heater for heating diesel fuel prior to its introduction into the diesel engine wherein said fuel heater comprises top and bottom covers and an elongate annular section. The fuel heater of the present invention heats the fuel by passing engi... | 12/25/1990 |
| 4905651 | Device for forming and metering an air and fuel mixture for an internal combustion engine A device comprising a body in which is formed a chamber in which fuel is mixed with air; a cylindrical mixture delivery duct the opening of which is controlled by a throttle valve; and a body cover to which is fitted a fuel injector for supplying atomized... | 03/06/1990 |
| 4834053 | Internal combustion engine An internal combustion engine is provided with a heat sink 6 with thermistor pellets 10, 22, 32 of PTC material. This heat sink is held in position inside a through passage for the fuel mixture through the action of clamp means 14; 17; 23; 33 which press ... | 05/30/1989 |
| 4817566 | Four-stroke cycle induction tuned V-engine with central exhaust manifold A V-type four-stroke cycle internal combustion engine is provided with an exhaust manifold disposed in the valley of the V-shaped engine. The exhaust from the cylinders passes through the cylinder heads to an exhaust collection cavity formed in the exhaus... | 04/04/1989 |
| 4715327 | Flow system for engine-pump assembly A flow system for an engine-pump assembly utilizes the engine cooling water for heating the engine carburetors to prevent icing thereof and includes a flow indicator providing a visual indication of the condition of the engine's cooling water flow.... | 12/29/1987 |
| 4712519 | Intake manifold for a three-cylinder air-fuel mixture suction type engine In an intake manifold for a multi-cylinder air-fuel mixture suction type engine according to the present invention, the manifold body is formed into a simplified hollow shell-shape which is elongate bilaterally. And a carburetor is installed on the one en... | 12/15/1987 |
| 4637365 | Fuel conditioning apparatus and method A method and apparatus for operating an internal combustion engine that substantially improves the fuel efficiency by utilizing heat normally discharged to the ambient to condition and prepare the fuel mixture prior to entry into the combustion chambers. ... | 01/20/1987 |
| 4569322 | Hot plate fuel vaporizer A fuel vaporizing device for use with a carburetor to more efficiently vaporize and distribute the fuel portion of the air/fuel mixture. The device is mounted between the carburetor and intake manifold and positions a hot plate element in the flow path of... | 02/11/1986 |
| 4548183 | Operational mode responsive heating arrangement for internal combustion engine induction system In an engine system wherein the engine coolant is permitted to boil and the gaseous coolant used as a vehicle for removing heat from the engine, a heating jacket associated with the induction conduit of the engine is supplied with gaseous coolant via a co... | 10/22/1985 |
| 4491119 | Diesel oil heater for diesel engine This invention relates to an internal combustion engine cooled by water and provided with a Diesel oil heater, wherein the exchanger of the heater is fixed directly to the cylinder head of the engine, the two surfaces in contact being coupled to each othe... | 01/01/1985 |
| 4463737 | Fuel system having gasket heater A fuel system for an internal combustion engine has an electrical resistance heater accommodated in gasket means disposed between a throttle body flange and a mating flange on an intake manifold so that the heater is located immediately adjacent an idling... | 08/07/1984 |
| 4426967 | Engine charge air temperature classifier The invention presents new and useful improvements in the method of designing air induction circuits for use in the intake manifolds of super-charged internal combustion engines. An air vortex generating chamber having a single air inlet conduit and two o... | 01/24/1984 |
| 4414932 | Method and apparatus for heat storage in internal combustion engines Exhaust emissions are reduced, fuel consumption is improved for internal-combustion engines, and the number of cold starts reduced by storing heat energy from the operation of the engine in a heat-storage reservoir filled with a change-of-state heat-stora... | 11/15/1983 |
| 4413605 | Intake manifold heating and exhaust gas recirculation system for an internal combustion engine An internal combustion engine is provided with a system for heating the intake manifold and for the partial recirculation of the exhaust gas.... | 11/08/1983 |