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| Number | Title | Issue Date |
| 7424882 | Engine method A method for controlling an engine airflow, the engine having at least one cylinder, the engine also having an intake manifold and an outlet control device for controlling flow from the intake manifold into the cylinder, comprising of generating a desired engine tor... | 09/16/2008 |
| 7409944 | Intake structure for internal combustion engine An intake structure for internal combustion engine includes an intake passage which is communicated with a combustion chamber of the internal combustion engine and through which air to be supplied to the combustion chamber flows; and a valve which is provided in the... | 08/12/2008 |
| 7404392 | Method and device for controlling an internal combustion engine The invention relates to an internal combustion engine which is provided with a manifold from which an intake tube extends to an intake of a cylinder of the internal combustion engine, with a gas inlet valve, disposed at the intake of the cylinder, an intermittent c... | 07/29/2008 |
| 7398760 | Intake air control apparatus for motor cycle In order to protect a rotating portion of an intermediate link lever support pin, an intake air control apparatus provided with main and sub throttle valves is structured such that a wire bracket (6) supporting valve opening and closing wires (Wa, Wb) is scre... | 07/15/2008 |
| 7395811 | Choke device for an internal combustion engine intake system A choke device for an intake system of an internal combustion engine; the choke device has at least one choke body fitted movably inside an intake conduit, and an actuating device for moving the choke body to and from a work position in which the choke body reduces ... | 07/08/2008 |
| 7367316 | Vehicle control system A method for controlling an engine having at least one cylinder, the engine coupled to a vehicle, the engine also having an intake manifold and an outlet control device for controlling flow from the intake manifold into the cylinder, the engine further having an inl... | 05/06/2008 |
| 7334566 | Method and device for monitoring a pulse charging valve of an internal combustion engine The invention relates to an internal combustion engine comprising a manifold, from which an induction pipe leads to an intake of a cylinder of the internal combustion engine. A gas intake valve is located at the intake of the cylinder. A pulse charging valve is posi... | 02/26/2008 |
| 7331326 | Carburetor automatic control system in engine A carburetor automatic control system in an engine includes, a temperature-sensitive operating device for operating a choke valve so that the choke valve is opened with a temperature increase of the engine and a governor for opening and closing a throttle valve to m... | 02/19/2008 |
| 7320305 | Regulating device for regulating the air intake of a vehicle internal combustion engine A regulating device for regulating the air intake of an internal combustion engine, and comprising at least one throttled body having at least one air feed conduit connectable to the engine, and a first and second throttle housed in said at least one feed conduit to... | 01/22/2008 |
| 7258101 | Automotive catalyst excess oxygen reduction system An excess oxygen reduction system includes a fuel cut-off condition module, an injector module, and a valve module. The fuel cut-off condition module determines whether a fuel cut-off condition exists. The injector module prevents a fuel injector from fueling a cyli... | 08/21/2007 |
| 7222603 | Subunit for an additional control valve device used for an intake pipe of a reciprocating internal combustion engine Disclosed is a subunit having a hollow cylinder which is provided with an opening on at least one face and in which a spring bearing is arranged on the inside of the face and a first valve spring resting against said spring bearing. A shaft that is guided within the... | 05/29/2007 |
| 7198032 | Structure of fuel supply pipe in throttle body comprising two fuel injection valves An improved fuel supply pipe in a multiple throttle body comprising two fuel injection valves comprises a first fuel supply pipe 1 having a first one side inserting pipe 1c, a first another side inserting pipe 1d and a fuel flow-in... | 04/03/2007 |
| 7140350 | Throttle body and engine of motorcycle having throttle body A throttle body configured to supply air to an air-intake port of an engine is disclosed. The throttle body typically includes an air-intake passage through which air flows. The air-intake passage at least partially has a non-perfect circle portion with a cross-sect... | 11/28/2006 |
| 7134425 | Structure of fuel supply pipe in throttle body comprising two fuel injection valves To simplify fuel piping for connecting a fuel distribution pipe and a fuel pump in a throttle body comprising two fuel injection valves, a fuel supply pipe F comprises a first fuel supply pipe 1 having a fuel flow-in passage 1b projected from a ... | 11/14/2006 |
| 7128309 | Automatic choke system for carburetor An automatic choke system includes: a wax-type temperature sensing section; and an output section which opens a choke valve of a carburetor in response to heat receiving operation of the temperature sensing section. Temperature sensing section includes: a bottomed c... | 10/31/2006 |
| 7093426 | Starting apparatus, starting method, control method and exhaust filtration apparatus of internal combustion engine To improve startability and reduce the amount of HC emission at start-up with the aid of a construction where vaporized fuel is supplied to the bypass passage that bypasses the main passage. The main air control valve 16 is installed near the intake po... | 08/22/2006 |
| 7086381 | Apparatus and method for controlling an internal combustion engine A plurality of intake air amount control systems are provided for diagnosing a failure of each intake air amount control system. At the failure of any of them, a fail-safe control is performed using a normal intake air amount control system. ... | 08/08/2006 |
| 7077103 | Method for regulating the filling of an internal combustion engine Disclosed is a method for regulating the filling of an internal combustion engine to which a combustion air mass flow is fed. Said combustion air mass flow is regulated by a first and a second actuator which are triggered regarding the position thereof. The second a... | 07/18/2006 |
| 7055497 | Multi-cylinder internal combustion engine In a multi-cylinder internal combustion engine having throttle valves to be opened and closed by electric motors, output control is enabled in various ways according to the state of usage of an object to be driven by the multi-cylinder internal combustion engine wit... | 06/06/2006 |
| 6978764 | Control method for a vehicle having an engine A method for controlling an engine having at least one cylinder is provided. The engine includes an intake manifold and an outlet control device for controlling flow from the intake manifold into the cylinder. The method includes generating an operator command. The ... | 12/27/2005 |
| 6971371 | Air-fuel mixing and delivery apparatus for an internal combustion engine An air-fuel mixing and delivery apparatus for an internal combustion engine is situated to be shielded from exposure to water or mud during travel of a vehicle, to protect fuel system components such as a fuel injector. In the air-fuel mixing and delivery apparatus,... | 12/06/2005 |
| 6945231 | Fuel gas mixer In a fuel gas mixer 1 including a throttle valve 4 provided in an air intake passage 2 connected to an engine for opening and closing the air intake passage 2 and a fuel gas supply passage 6 connected to the air intake passage 2... | 09/20/2005 |
| 6945226 | Intake manifold valve system, method, and diagnostic A valve control and diagnostic system uses physical stops to determine whether a connection between the valve motor and the valves has become degraded. The method can detect degradation in both the opening and closing direction, as well as in multi-valve systems, su... | 09/20/2005 |
| 6874467 | Fuel delivery system for an internal combustion engine A fuel delivery system having an electronically controlled throttle valve operatively disposed in an intake manifold. An idle speed control valve is operatively disposed within a bypass gas flow passageway. A control system controls the actuation of both the throttl... | 04/05/2005 |
| 6863046 | Internal combustion engine comprising at least two inlet valves per cylinder An internal combustion engine includes at least two intake valves per cylinder, and at least two intake ports leading to the intake valves, a first intake port preferably being configured as unthrottled tangential passage and the flow through a second intake port be... | 03/08/2005 |
| 6843223 | Tandem valve type throttle body To improve freedom of mounting to a motor cycle, a tandem valve type throttle body is provided with a throttle valve (4) in the downstream side of an intake passage (2) and a sub throttle valve (9) in the upstream side thereof, a sub throttle va... | 01/18/2005 |
| 6786199 | Hydrocarbons emission preventive apparatus in intake system for internal combustion engine and method thereof A throttle valve is opened after stopping an engine to prevent the valve from sticking. Then, when a temperature of the valve has become lower than the polymerization temperature, the valve is closed to seal the vapor of the HCs in a surge tank downstream. Changes i... | 09/07/2004 |
| 6769396 | Diaphragm carburetor A diaphragm carburetor for an internal combustion engine that operates with scavenging is provided, especially for the two-cycle engine in a manually guided implement. The carburetor has a housing in which is formed an intake channel portion in which is disposed a b... | 08/03/2004 |
| 6732707 | Control system and method for internal combustion engine In a control system of an internal combustion engine including an intake flow control valve disposed downstream of a throttle valve, a controller controls opening and closing of the intake flow control valve, depending upon an operating state of the internal combust... | 05/11/2004 |
| 6634328 | Engine method A method for controlling an engine having both an electronically controlled inlet device, such as an electronic throttle unite, and an electronically controlled outlet device, such as a variable cam timing system is disclosed. The method of the present in... | 10/21/2003 |
| 6626147 | Control method for a vehicle having an engine A method for controlling an engine having both an electronically controlled inlet device, such as an electronic throttle unite, and an electronically controlled outlet device, such as a variable cam timing system is disclosed. The method of the present in... | 09/30/2003 |
| 6600988 | Vehicle trajectory control system and method A method for controlling a powertrain of a vehicle is described. The method determines a desired vehicle condition based on three driver actuated elements. In a preferred embodiment the first element can be pedal position, the second element can be a brak... | 07/29/2003 |
| 6581567 | Air intake control device of fuel injection engine In an air intake control device of a fuel injection engine, a throttle body includes a cam lever rotatably mounted on a sub-throttle valve, a stopper cam for rotating a main throttle pulley, and a link mechanism for linking the cam lever and the stopper c... | 06/24/2003 |
| 6543419 | Fuel injection system for internal combustion engine In a multi-port fuel injection system for a lean burn engine, the attaching of fuel particles from the fuel spray onto a wall surface, which is a problem in atomizing injected fuel, is reduced, and the quality and shape of the mixed gas in the cylinders o... | 04/08/2003 |
| 6530362 | Tandem valve type throttle body To provide a tandem valve type throttle body in which a closing direction of a second throttle valve is not restricted to one side, can an intake efficiency can be improved, and an entire length of a throttle body can be reduced, a butterfly type first th... | 03/11/2003 |
| 6484695 | Engine having compressed air assisted injection with secondary high speed fuel carburetor sandwich An internal combustion engine having a crankcase, a cylinder connected to the crankcase, a compressed air assisted fuel injection system connected between the crankcase and the cylinder, and a reciprocating piston head located in the cylinder. The improve... | 11/26/2002 |
| 6336441 | Control method for a vehicle having an engine A method for controlling an engine having at least one cylinder is provided. The engine includes an intake manifold and an outlet control device for controlling flow from the intake manifold into the cylinder. The method includes generating an operator co... | 01/08/2002 |
| 6202626 | Engine having combustion control system An internal combustion engine that is comprised of a combustion chamber formed by a cylinder bore closed at one end by a cylinder head and by a piston reciprocating in the cylinder bore. At least one intake passage serves the combustion chamber through an... | 03/20/2001 |
| 6196186 | Induction system for fuel injected engine A number of embodiments of engine induction system and fuel injection systems for increasing the engine's combustion efficiency by maintaining a desired ratio between the intake system volume between the throttle valve and the intake port and the exhaust ... | 03/06/2001 |
| 6131554 | Engine having combustion control system A number of embodiments of engines that improve engine performance and lean running stability by employing internal EGR controlled by controlling the volume of the intake passage between the throttle valve and the intake port in relation to the maximum co... | 10/17/2000 |
