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| Number | Title | Issue Date |
| 8051828 | Multiple fuel system for internal combustion engines A fuel management system mounted on a vehicle is operative to feed individually or a mixture of grades of relatively low, intermediate, and high autoignition temperature fuels to an associated internal combustion engine. The system includes an on board separation un... | 11/08/2011 |
| 7971567 | Directly injected internal combustion engine system An engine system for a vehicle, comprising of a combustion chamber, a first in-cylinder direct injector configured to deliver a first substance including at least gasoline directly to the combustion chamber at a first pressure; and a second in-cylinder direct inject... | 07/05/2011 |
| 7913664 | Alternate fuel blending system and associated method A fuel control system for controlling the use of primary fuel and alternate fuel in an internal combustion engine without cross-contamination of fuel types. Cross-contamination of fuel types may eliminate the ability to receive certain benefits or financial incentiv... | 03/29/2011 |
| 7841317 | Alternate fuel blending system and associated method A fuel control system for controlling the use of primary fuel and alternate fuel in an internal combustion engine without cross-contamination of fuel types. Cross-contamination of fuel types may eliminate the ability to receive certain benefits or financial incentiv... | 11/30/2010 |
| 7793637 | Method for auto-ignition operation and computer readable storage device for use with an internal combustion engine A method for controlling an engine having a variable valve actuator includes operating the engine in a first mode where the engine carries out spark ignition combustion of air and fuel; and changing operation to a second mode where the engine carries out homogenous ... | 09/14/2010 |
| 7789063 | System and method for engine air-fuel ratio control A method for operating an engine having a first injector for injecting a first fuel into a cylinder of the engine and a second injector for injection a second fuel into said cylinder of the engine, the engine further having at least an exhaust gas oxygen sensor, the... | 09/07/2010 |
| 7779808 | Controller for homogeneous charge compression ignition internal combustion engine A HCCI engine (1) is able to supply two types of fuels with different octane numbers to each cylinder (3) through fuel supply devices (17 and 18). A fuel supply control means (50) of a controller (2) increases a proportion o... | 08/24/2010 |
| 7757659 | Controller for homogenous charge compression ignition internal combustion engine A homogeneous charge compression ignition internal combustion engine (HCCI) (1) is able to supply two types of fuels with different octane numbers to each cylinder (3) through fuel supply devices (17, 18). A controller (2) detects via an ... | 07/20/2010 |
| 7721703 | Combustion control system for internal combustion engine In an embodiment, the invention provides an internal combustion engine, including a first fuel injector that supplies a first fuel to a first predetermined region in a combustion chamber, and a second fuel injector that supplies a second fuel to a second predetermin... | 05/25/2010 |
| 7703435 | System and control method for selecting fuel type for an internal combustion engine capable of combusting a plurality of fuel types A system and method for improving fuel usage of a dual fuel engine is described. Fuel type is delivered to engine cylinders in response to operating conditions. ... | 04/27/2010 |
| 7640913 | Single nozzle injection of gasoline and anti-knock fuel Fuel management system for operation of a spark ignition engine. The system includes a source of gasoline and a source of anti-knock fuel. A proportioning valve receives the gasoline and the anti-knock fuel to discharge a mixture having a controlled gasoline/anti-kn... | 01/05/2010 |
| 7640912 | System and method for engine air-fuel ratio control A method for operating an engine having a first injector for injecting a first fuel into a cylinder of the engine and a second injector for injection a second fuel into said cylinder of the engine, the engine further having at least an exhaust gas oxygen sensor, the... | 01/05/2010 |
| 7610896 | Control device for internal combustion engine An internal combustion engine system, including a primary fuel tank that stores a fuel, a fuel reformer that reforms the fuel from the primary fuel tank, a secondary fuel tank that stores the fuel reformed by the fuel reformer, a fuel injection device that injects t... | 11/03/2009 |
| 7588012 | Fuel system having variable injection pressure A fuel injector for a work machine is disclosed. The fuel injector has nozzle member having at least one orifice and a needle valve element having a tip end. The needle valve element is axially movable to selectively allow and block fuel flow through the at least on... | 09/15/2009 |
| 7584740 | Engine system for multi-fluid operation A system for an engine, comprising of an injector coupled to the engine and configured to inject fuel to a cylinder of the engine, a first reservoir holding a first fluid containing at least a fraction of gasoline, a second reservoir holding a second fluid containin... | 09/08/2009 |
| 7578281 | First and second spark plugs for improved combustion control A method of operating an internal combustion engine having at least one combustion chamber including a first spark plug and a second spark plug, wherein the first spark plug is configured to operate at a higher temperature than the second spark plug, the method comp... | 08/25/2009 |
| 7533651 | System and method for reducing knock and preignition in an internal combustion engine A system for an engine of a vehicle, comprising of a combustion chamber located in the engine; a delivery system configured to deliver a fuel and a fluid to at least the combustion chamber in varying ratios, wherein the fluid includes at least an alcohol; wherein th... | 05/19/2009 |
| 7484495 | Homogeneous charge compression ignition internal combustion engine A homogeneous charge compression ignition internal combustion engine capable of reliably reducing flame noise at a time of high-load operation is provided. The engine includes an injector which injects a liquid hydrocarbon fuel to an intake port, and an injector whi... | 02/03/2009 |
| 7461628 | Multiple combustion mode engine using direct alcohol injection A method of operating an engine, comprising of performing homogeneous charge compression ignition combustion during a first operating condition, and performing spark ignition combustion during a second operating condition, where an amount of directly injected alcoho... | 12/09/2008 |
| 7444230 | Fuel injector having algorithm controlled look-ahead timing for injector-ignition operation The present invention provides an injector-ignition fuel injection system for an internal combustion engine, comprising an ECU controlling a heated catalyzed fuel injector for heating and catalyzing a next fuel charge, wherein the ECU uses a one firing cycle look-ah... | 10/28/2008 |
| 7438238 | Gaseous fuel injector The injector includes a nozzle, a needle, a control chamber, a working fluid supply passage, an electric switching valve, a high-pressure gaseous fuel supply passage and a lubrication liquid fuel supply passage. The nozzle has an injection hole, through which high-p... | 10/21/2008 |
| 7421999 | Control apparatus for an internal combustion engine capable of pre-mixed charge compression ignition An electric control device 70 is applied to an internal combustion engine 10 capable of a pre-mixed charge compression ignition combustion in which air-fuel mixture gas including air and fuel injected from an injector 37 is formed in a combustio... | 09/09/2008 |
| 7409926 | Controlling engine operation with a first and second fuel A method of operating an internal combustion engine including at least a combustion chamber having a piston disposed therein, the method comprising during a first number of cycles after start-up of the engine, supplying at least a first fuel to the combustion chambe... | 08/12/2008 |
| 7389752 | Use of engine lubricant as ignition fuel for micro-pilot ignition system of an internal combustion engine A method and system for providing pilot fuel for a pilot ignition system of an internal combustion engine having one or more cylinders and having a lubrication system. A portion of the lubricating oil is diverted from the lubricating system. During the pilot ignitio... | 06/24/2008 |
| 7383811 | Fuel injection system for engine A fuel injection system for an engine is configured of a downstream-side fuel injection valve which is provided to an intake passage connected to a combustion chamber, and from which fuel in the intake passage is injected, and an upstream-side fuel injection valve w... | 06/10/2008 |
| 7370609 | Internal combustion engine system An internal combustion engine system uses a blended fuel of gasoline and ethanol, operates with high efficiency, and can inhibit nitrogen oxide and the like from being discharged. The internal combustion engine system includes: a fuel tank 3 that accommodates... | 05/13/2008 |
| 7370610 | On-board fuel fractionation system and methods to generate an engine starting fuel A Fuel Fractionation System (FFS) and associated methods to generate and store a fuel for internal combustion engines is provided. FFS provides a distillation column assembly to distill liquid fuel to form a volatile light fraction secondary fuel. The distillation c... | 05/13/2008 |
| 7367312 | Control strategy to better usage of fuel in gaseous engine A method for operating a fueling system in a vehicle having an engine capable of burning gaseous fuel supplied from at least a first and second source to a direct fuel injector of the engine, the first source having a higher source pressure than the second source, t... | 05/06/2008 |
| 7367290 | Diesel combustion mode switching control strategy and model A combustion mode switching control system for diesel engines is provided. The system includes: a switch determination module that initiates a switch request to switch between at least one of a premixed compression ignition (PCI) mode and a diesel combustion mode ba... | 05/06/2008 |
| 7363911 | Humidity-based combustion control in a multiple combustion mode engine A system and method for controlling operation of a gasoline internal combustion engine capable of running in a spark ignition mode and a homogeneous charge compression ignition mode. The method and system implementation include determining humidity of air to be draw... | 04/29/2008 |
| 7360522 | System and method for operating a turbo-charged engine In certain embodiments, there is provided a method of providing a first fuel injection schedule having one or more injections per cylinder per compression stroke at a first discrete power level selected from a plurality of discrete power levels of an engine. The met... | 04/22/2008 |
| 7353800 | Multi-source fuel system having grouped injector pressure control A fuel system for an engine is disclosed. The fuel system has a first source of fuel at a first pressure, and a second source of fuel at a second pressure. The fuel system also has a first plurality of fuel injectors, and a first valve associated with the first plur... | 04/08/2008 |
| 7350604 | Gaseous fuel system for automotive vehicle A gaseous fuel system for an automotive vehicle includes a gaseous fuel storage tank and an associated pressure sensor for monitoring pressurized gas contained within the storage tank. A parameter-driven routine monitors the integrity of the tank by tracking filing ... | 04/01/2008 |
| 7343895 | Fuel injection system and method of operation for a gaseous fuelled engine with liquid pilot fuel ignition A pilot fuel injection valve is mountable in a cylinder head of an engine and injects a liquid pilot fuel directly into a combustion chamber. The pilot fuel injection valve comprises a cooling system to keep the pilot fuel at a temperature that is lower than the low... | 03/18/2008 |
| 7316219 | Control apparatus for vehicle In a vehicle incorporating an internal combustion engine having in-cylinder injectors and intake manifold injectors and performing engine intermittent operation control, at the end of vehicle operation, the fuel pressure is decreased in both a high-pressure delivery... | 01/08/2008 |
| 7316218 | Control system for hydrogen addition internal combustion engine Disclosed is a control system for a hydrogen addition internal combustion engine that uses hydrocarbon fuel and hydrogen gas as combustion fuel. The control system includes fuel property judgment means for judging the property of hydrocarbon fuel; and addition ratio... | 01/08/2008 |
| 7309029 | Fuel injection device for an internal combustion engine with direct fuel injection, and method for producing it the device A fuel injection device includes at least two valve elements, disposed in a housing and coaxial with one another, with at least one fuel outlet opening associated with each valve element. On the outer valve element, radially outward from the at least one fuel outlet... | 12/18/2007 |
| 7302918 | Method and apparatus for providing for high EGR gaseous-fuelled direct injection internal combustion engine A method and apparatus adjust pilot fuel injection timing in relation to a main fuel injection timing into a piston cylinder of an operating gaseous-fuelled direct injection internal combustion engine using high levels of EGR. A set of engine parameters are monitore... | 12/04/2007 |
| 7302932 | Pre-ignition detection and mitigation A system and method for detecting and mitigating preignition for a multi-cylinder engine is provided. According to one aspect of the disclosure, a method is provided including identifying a preignition event at an affected cylinder; deactivating the affected cylinde... | 12/04/2007 |
| 7296555 | System and method for operating a turbo-charged engine In certain embodiments, there is provided a method of operating a turbocharged system including injecting a first quantity of fuel into an engine cylinder at a first predetermined time during a second half of a compression stroke before a piston of the engine cylind... | 11/20/2007 |
