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| Number | Title | Issue Date |
| 8156902 | Gas-steam engine The gas-steam engine of this invention is divided into boiler, turbine and piston reciprocating types. This engine controls the burning through the binary or ternary gas supply system, producing the hi-temperature and hi-pressure gas and steam or mixture by utilizin... | 04/17/2012 |
| 8006654 | High efficiency eight stroke internal combustion engine A method and a system for operating an eight-stroke internal combustion engine having higher thermal efficiency than a four-stroke engine is disclosed. The strokes comprise intake (FIG. 1), compression (FIG. 2), combustion for a first power stroke (FIG... | 08/30/2011 |
| 7793621 | Alternative fuel engine An apparatus and method for converting fluid molecules from a liquid state into a vapor state wherein the fluid has unnatural bond angles. The apparatus comprises a resistor-capacitor (RC) circuit, a chamber to contain the RC circuit and the fluid and a power source... | 09/14/2010 |
| 7739985 | Internal combustion water injection engine An internal combustion system and a water injection nozzle to position a water mist within an internal chamber of an internal combustion engine. In one form, the apical cone of the injection is altered with respect to the position of the piston within the interior c... | 06/22/2010 |
| 7574983 | Method and apparatus for extending high load operation in a homogeneous charge compression ignition engine A method for controlling combustion within an internal combustion engine includes operating the engine in one of an HCCI and SI combustion modes and injecting water into a combustion chamber of the engine during at least periods of relatively high engine load condit... | 08/18/2009 |
| 7513222 | Combustion-steam engine Systems and methods of controlling an internal combustion engine provide for a fuel combustion cycle that takes place in a combustion chamber of the engine. Injection of water into the combustion chamber during the fuel combustion cycle is controlled based on sensor... | 04/07/2009 |
| 7426908 | Direct injection alcohol engine with variable injection timing A method to control injection timing for an internal combustion engine having a plurality of injectors in at least a cylinder, the method comprising of boosting intake air delivered to the engine, directly injecting a fuel to at least a cylinder of an internal combu... | 09/23/2008 |
| 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 |
| 7413583 | Emulsified fuels and engine oil synergy The invention relates to the use of an emulsified fuel in combination with an engine oil that shows a synergistic effect in reducing emissions such as particulate matter, hydrocarbons and/or nitrogen oxides (NO, NO2, N2O, collectively NOx) and/... | 08/19/2008 |
| 7406871 | Fuel type identifying apparatus A fuel tank is allowed to hold any of types of liquid fuels and currently hold one type of liquid fuel. A light emitting element outputs a light beam of a predetermined emission spectrum to the liquid fuel of the fuel tank. The liquid fuel changes the light beam to ... | 08/05/2008 |
| 7395786 | Warm up strategy for ethanol direct injection plus gasoline port fuel injection A system for an engine, comprising of a cylinder of the engine; a first injector configured to inject a first substance to said cylinder; a second injector configured to inject a second substance to said cylinder; and a controller configured to commence combustion i... | 07/08/2008 |
| 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 |
| 7367306 | Internal combustion engine and method of operating An internal combustion engine having at least one cylinder within which is a reciprocable piston movable in a compression stroke followed by movement in a power stroke and wherein a combustible fuel mixture is injected into the combustion chamber, compressed, ignite... | 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 |
| 7360511 | Opposed piston engine A two-cycle, opposed piston engine with side-mounted crankshafts and cylinders isolated from mechanical stresses of the engine includes tailored cooling of cylinders and symmetrical cooling of the interior surfaces of piston crowns. Each opposed piston includes a co... | 04/22/2008 |
| 7334561 | Internal combustion engine According to the invention, noise of an internal combustion engine is reduced by dynamically correcting the moment of injection when the engine is in the transient mode. ... | 02/26/2008 |
| 7302795 | Internal combustion engine/water source system An internal combustion engine system for automotive vehicle wherein liquid water is produced by cooling a portion of exhaust gases at elevated pressure to induce condensation. The use of elevated pressure allows condensation to occur at a higher dew point which is e... | 12/04/2007 |
| 7299770 | Evaporative in-cylinder cooling An engine is cooled using high pressure water injected into the piston with the water converted to high pressure steam by the heat from combustion with heat transfer taking place in passages in the piston and in and between grooves in the piston and the cylinder sle... | 11/27/2007 |
| 7293534 | Premixed charge compression ignition engine and reciprocating generator having the same The object of the present invention is to provide a premixed charge compression ignition (PCCI) engine. The PCCI engine has a fuel injector (22) in a suction manifold (8) to prepare a premixed charge of fuel and air and induces a natural ignition of th... | 11/13/2007 |
| 7290505 | Internal combustion engine system The invention provides an internal combustion engine system that uses a blended fuel consisting of hydrocarbon and alcohol, and can efficiently operate relative to a wide range of required load. The internal combustion engine system includes: an internal combustion ... | 11/06/2007 |
| 7287509 | Direct injection alcohol engine with variable injection timing A method to control injection timing for an internal combustion engine having a plurality of injectors in at least a cylinder, the method comprising of directly injecting a fuel to at least a cylinder of an internal combustion engine, and adjusting a timing and numb... | 10/30/2007 |
| 7284507 | Method and apparatus for the control of a spraying apparatus A method and apparatus controls intake air humidification spraying with at least two spraying nozzles (1a, 1b, 1c, 1d) for spraying a liquid into the intake air. When an amount of the liquid to be supplied thro... | 10/23/2007 |
| 7278396 | Method for controlling injection timing of an internal combustion engine A method to control injection timing for an internal combustion engine having a plurality of injectors in at least a cylinder, the method comprising of injecting a first fuel amount to at least a cylinder of an internal combustion engine from a first injector, injec... | 10/09/2007 |
| 7273029 | Cylinder liner and cylinder block A cast iron cylinder liner of the present invention includes a plurality of grooves formed on an outer surface of the cylinder liner. Each of the grooves extends in a circumferential direction of the cylinder liner in a ring or spiral shape, and the grooves divide t... | 09/25/2007 |
| 7270108 | Opposed piston, homogeneous charge pilot ignition engine An engine of the opposed piston, two-stroke, compression ignition type includes provision for injection of a main charge of liquid fuel into the bore of a cylinder between opposed pistons early in a compression stroke to permit the fuel to evaporate and mix with air... | 09/18/2007 |
| 7267114 | Wildland fire vehicle escape system A wildland fire truck engine emergency combustion oxygen supply apparatus for the prevention of stalling of the engine in an oxygen depleted environment. The apparatus has a storage tank mounted on the vehicle for the storage of oxygen, nitrous oxide, or air, a feed... | 09/11/2007 |
| 7264019 | Controlled-flow hydraulic distributor The hydraulic distributor exhibits a cylindrical and internally-hollow body (2) having an inlet chamber (3) for a fluid and an outlet chamber (4) which are interconnected directly (by a communication conduit), or indirectly by an external distri... | 09/04/2007 |
| 7255067 | Evaporative in-cylinder cooling An engine is cooled using high pressure water injected into the piston with the water converted to high pressure steam by the heat from combustion with heat transfer taking place in passages in the piston and in and between grooves in the piston and the cylinder sle... | 08/14/2007 |
| 7249574 | Apparatus for producing a diesel-oil/water microemulsion and for injecting the emulsion into a diesel engine An apparatus produces a diesel-oil/water microemulsion and injects the emulsion into a diesel engine. The apparatus has three high pressure cylinders, inlets of two of the high pressure cylinders are connected to a static raw emulsion premixer. Outlets of the two hi... | 07/31/2007 |
| 7240658 | Limp home operating method for internal combustion engines A method of operating an internal combustion engine is provided, which includes the step of operating the engine with a mixed mode fuel injector in at least one of a homogeneous charge mode and a conventional mode. The method also includes the step of selectively op... | 07/10/2007 |
| 7225787 | Optimized fuel management system for direct injection ethanol enhancement of gasoline engines Fuel management system for enhanced operation of a spark ignition gasoline engine. Injectors inject an anti-knock agent such as ethanol directly into a cylinder. It is preferred that the direct injection occur after the inlet valve is closed. It is also preferred th... | 06/05/2007 |
| 7219630 | Internal combustion engine with regenerator, hot air ignition, and naturally aspirated engine control An internal combustion engine and method is disclosed wherein separate compression and power cylinders are used and a regenerator or pair of regenerators is mounted between them to provide heat for hot-air ignition. The single regenerator embodiment operates as a tw... | 05/22/2007 |
| 7216607 | Emission control water injection system for diesel engines A water injection system (WIS) for diesel engines that reduces NOx, PM and CO2 emissions is provided. Water is injected into the combustion air stream before cylinders in a predetermined proportion to fuel. The present invention utilizes a special water p... | 05/15/2007 |
| 7201156 | Thermal transfer internal combustion engine A thermal transfer internal combustion engine with an air transfer cylinder located between a pair of power cylinders. The transfer cylinder has an intake valve and two transfer valves alternately feeding the two power cylinders. The power cylinders each contain a m... | 04/10/2007 |
| 7188586 | Fuel injection system for diesel engines A fuel injection system for diesel engines, capable of carrying out a control operation for varying a mixing ratio of a fuel to water (inert material) arbitrarily in accordance with the magnitude of an engine load in a short period of time, and holding down the form... | 03/13/2007 |
| 7178486 | Method of reducing nitrogen oxide (NOx) emissions in supercharged piston engine and piston engine arrangement A piston engine is operated by pressurizing combustion air to a pressure above ambient pressure and adding water to the combustion air, and supplying the pressurized combustion air to which water has been added to a combustion chamber. An emulsion of fuel and water ... | 02/20/2007 |
| 7178616 | Power generation system and method An extended rich mode engine configured and operated extremely rich of stoichiometric to produce a substantially continuous hydrogen rich engine exhaust. Oxygen enrichment devices further optimize production of hydrogen rich engine exhaust. Engines include a free pi... | 02/20/2007 |
| 7171950 | Method and device for determining the pressure in the combustion chamber of an internal combustion engine, in particular a spontaneous ignition engine, for controlling fuel injection in the engine A method is described for controlling fuel injection in an spontaneous ignition engine equipped with an electronically controlled fuel injection system and with an electronic control unit receiving engine quantities comprising the pressure in the combustion changer ... | 02/06/2007 |
| 7156056 | Two-cycle, opposed-piston internal combustion engine In a two-cycle, opposed-piston internal combustion engine with optimized cooling and no engine block, the opposed pistons are coupled to a pair of crankshafts by connecting rods that are subject to substantially tensile forces acting between the pistons and the cran... | 01/02/2007 |
| 7124737 | Injection controller for internal combustion engine An injection controller for an internal combustion engine that suppresses the accumulation of deposits on a nozzle hole of a direct injection valve. The injection controller includes the direct injection valve, which injects fuel into a cylinder, and an intake passa... | 10/24/2006 |
