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8181636 Bi-fuel engine using hydrogen  
A method is disclosed for making a transition from fueling an engine with hydrogen to another fuel. That other fuel may be gasoline, a gasoline and alcohol mixture, or gaseous fuels, as examples....
8171894 Engine system  
An engine system in which hydrogen is employed as a fuel, including a reactor configured to cause a reaction using a catalyst, in which the reactor is constituted by alternately disposing plural...
8166959 Approach for improved fuel vaporization in a directly injected internal combustion engine  
A system and a method of facilitating fuel vaporization in a directly injected internal combustion engine are provided. As one example, the method comprises: closing an exhaust valve of the...
8166926 Internal combustion engine with ammonia fuel  
The invention provides methods of providing fuel to an internal combustion engine, fuel systems for an internal combustion engine and a fuel injector for an internal combustion engine. Ammonia may...
8166952 Fuel injection control during start-up  
A method of operation of an internal combustion engine including an intake valve coupled to a combustion chamber, and a port fuel injector positioned upstream of the intake valve in an intake...
8161732 System and method to improve engine emissions for a dual fuel engine  
A system and method for improving emissions of an engine capable of combusting a multi-component fuel comprised of two or more fuels is presented. According to the method, the passage exhaust gases...
8161954 Fuel supply control apparatus  
A fuel supply control apparatus for an engine includes an alcohol concentration detector and an engine temperature detector. The apparatus increases an amount of fuel supplied to the engine as the...
8151780 Control method and system for dual-fuel engine  
Various systems and methods are described for controlling a dual-fuel engine that has an evaporated gas providing device for providing an evaporated gas into the engine and is operable with...
8151779 Control device of an internal combustion engine  
Liquid ammonia is fed from an ammonia storage tank to a vaporizer where it is vaporized. Gaseous ammonia vaporized inside the vaporizer is on the one hand injected from an ammonia injector and on...
8146541 Method for improving transient engine operation  
A method for operating an engine with a fuel reformer is presented. In one embodiment a method for operating an engine by injecting a gaseous fuel and a liquid fuel to at least an engine cylinder...
8150599 Control apparatus and control method for internal combustion engine  
An engine ECU executes a program including detecting, when refueling with an alcohol fuel is performed, a refueling amount of the alcohol fuel based on a signal transmitted from a sender gauge,...
8146568 Fuel management system for variable ethanol octane enhancement of gasoline engines  
Fuel management system for efficient operation of a spark ignition gasoline engine. Injectors inject an anti-knock agent such as ethanol directly into a cylinder of the engine. A fuel management...
8146575 System for supply of LPG, methane, ammonia, and gas in general for petrol or diesel engines with electronic pressure regulator for continuous variation of the pressure of the fuel supplied to the injectors  
A system for supply of LPG/methane, ammonia, or gas for supply of petrol or diesel engines, which can be connectable to the electronic control unit (8) provided on board the vehicle, the system...
8141356 Ethanol separation using air from turbo compressor  
Methods and systems for separating fuel and supplying the separated fuel to an engine are disclosed. In one example, alcohol is separated from a blend of alcohol and gasoline. The methods and...
8136486 Motorized vehicles spark timing control for use with biofuel gasoline mixture  
The present invention provides apparatus for varying an engine's combustion spark timing for use of hybrid fuels, such as bio-fuel and gasoline. An operator selectable switch enables or disables an...
8127750 Method of using lean fuel-air mixtures at all operating regimes of a spark ignition engine  
The present invention refers to a method of using lean fuel-air mixtures at all operating regimes of a spark ignition engine, which is provided with an intake port fuel injection system, wherein...
8126636 Method of operating an internal combustion engine arrangement  
An arrangement includes, but is not limited to an internal combustion engine, a pressure reducer that reduces gas pressure of gaseous fuel for the engine. The reducer connects on a high-pressure...
8118014 Fuel system for multi-fuel engine  
An engine system and corresponding control method are described. As one example, the control method includes transferring one type of fuel from one fuel tank to a second fuel tank holding another...
8118006 Fuel injector diagnostic for dual fuel engine  
Various systems and methods are described for controlling fuel injection of a dual fuel engine which includes first and second fuel rails and first and second fuel pumps. In one example, while...
8113174 Method for determining the ethanol content of the fuel in a motor vehicle  
A method for determining the Ethanol content of the fuel in a motor vehicle uses the dependence of the lean-running limit of the internal combustion engine on the ethanol content of the fuel to...
8091536 Method and apparatus of fuelling an internal combustion engine with hydrogen and methane  
A gaseous-fuelled internal combustion engine and a method of engine operation improve combustion stability and reducing emissions of NOx, PM, and unburned hydrocarbons. The method comprises...
8091538 Method and device for diagnosing an internal combustion engine; computer program and computer program product  
In a method for diagnosing an internal combustion engine having first and second fuel injectors, if a misfire is detected, the following steps are performed in sequence: a first fuel quantity of...
8082735 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...
8078386 Approach for reducing overheating of direct injection fuel injectors  
A method of controlling fuel supplied to an engine is provided. In one example, a cylinder includes port and direct fuel injection. The method includes supplying a second fuel type from a second...
8069839 Fuel management system for variable ethanol octane enhancement of gasoline engines  
Fuel management system for efficient operation of a spark ignition gasoline engine. Injectors inject an anti-knock agent such as ethanol directly into a cylinder of the engine. A fuel management...
8061121 Flex fuel internal combustion engine system  
A flex fuel internal combustion engine system includes means for sensing ethanol concentration of the fuel. If the ethanol concentration is determined to be above a given threshold, engine...
8051836 Control apparatus of internal combustion engine  
An internal combustion engine (1) is provided with an in-cylinder pressure sensor (15) for detecting an in-cylinder pressure in a combustion chamber (3) and an ECU (20). The ECU 20 calculates a...
8046152 Device for controlling internal combustion engines  
A device for controlling an internal combustion engine which uses, as the fuel, a heavy fuel, a light fuel, an alcohol fuel and a mixture thereof, comprising a heavy fuel/light fuel ratio detector...
8046153 Compensation for oxygenated fuels in a diesel engine  
A fuel compensation factor (FCF) is determined to account for the amount of oxygenated fuel blended in diesel fuel. In one embodiment, the FCF is based on an expected exhaust gas oxygen...
8042517 Fuel property detector for internal combustion engine  
A fuel property detector for an internal combustion engine determines a cetane number with high accuracy even when a high-cetane fuel is used. The fuel property detector includes a cylinder...
8037874 Fuel based cylinder knock control  
Various systems and methods are described for controlling operation of engine cylinders, where each cylinder has a first and second injector for delivering fuel. One example method maintains...
8041497 Fuel based engine operation control  
Methods are provided for operating an engine with a variable fuel blend in a cylinder, where the variable fuel blend varies a peak achievable engine torque for a given operating condition. One...
8037850 Method for operating an engine  
A method for operating an engine with a fuel reformer is presented. In one embodiment a first fuel is reformed into a gaseous fuel comprising H, CO, and CH4, or the fuel may change state to...
8037875 Control apparatus and control method for internal combustion engine  
A control apparatus for an internal combustion engine includes a first fuel tank where a first fuel containing alcohol is stored; a second fuel tank where a second fuel is stored, wherein a...
8028683 Multifuel supply system  
A system for connecting a supply of alternative oil to a diesel engine which uses heated engine coolant and electric heat to prevent engine line restriction due to gelled alternative oil.
8020532 Fuel injection control during start-up  
A method of operation of an internal combustion engine including an intake valve coupled to a combustion chamber, and a port fuel injector positioned upstream of the intake valve in an intake...
8015951 Apparatus with mixed fuel separator and method of separating a mixed fuel  
Systems and methods are provided for extracting components of a mixed fuel into at least one substantially non-polar component and at least one polar fuel component. In one example approach, a...
8014933 Method to determine a fuel composition  
The invention deals with a method to determine the fuel composition of a fuel mixture from a first fuel and a second fuel for the operation of an internal combustion engine, wherein the first and...
8011094 Method of converting diesel engine to natural gas engine  
A method of converting a diesel engine to a natural gas engine comprising inserting a spark plug into a diesel fuel injector opening in a cylinder head; installing a throttle body on the diesel...
8006653 Combustion method, system, and article  
A method includes mixing air and converted fuel from an on-board fuel converter in a fuel mixer to form an air-converted fuel mixture, the air-converted fuel mixture includes a short chain...
8006677 Fuel control system and associated method  
A fuel control system and method for providing fuel to an internal combustion engine are provided. The fuel control system generally includes at least one valve device structured to deliver a fuel...
7992528 Stress-induced bandgap-shifted semiconductor photoelectrolytic/photocatalytic/photovoltaic surface and method for making same  
Titania is a semiconductor and photocatalyst that is also chemically inert. With its bandgap of 3.0, to activate the photocatalytic property of titania requires light of about 390 nm wavelength,...
7992547 Multiple gas fuel delivery system  
In a multiple gas fuel delivery system for interchangeably supplying a plurality of gas fuels having different supply pressures to an internal combustion engine, at least a pair of fuel passages...
7992537 Approach for improved fuel vaporization in a directly injected internal combustion engine  
A system and a method of facilitating fuel vaporization in a directly injected internal combustion engine are provided. As one example, vaporization may be improved by coordinating the timing of...
7987838 Controller of internal combustion engine  
A controller of an internal combustion engine includes: a purge controller, operable to control a purge amount of the vaporized fuel purged to an air intake system; an exhaust air-fuel ratio...
7983831 Control apparatus and method for internal combustion engine and fuel property determining apparatus and method  
A fuel feed chamber and a residual fuel chamber that are connectable to each other via a shutoff valve are provided in a fuel tank. When the fuel tank is refueled, the fuel feed chamber and the...
7975661 Fuel tuned variable valve timing  
A system and method for fuel tuned variable valve timing is disclosed. The system includes a plurality of cylinders, each cylinder being further associated with at least two exhaust valves. A first...
7974774 Trip optimization system and method for a vehicle  
A system for operating a vehicle including an engine operating on at least one type of fuel is provided. The system includes a locator element to determine a location of the vehicle, a...
7971572 Fuel management system for variable ethanol octane enhancement of gasoline engines  
Fuel management system for efficient operation of a spark ignition gasoline engine. Injectors inject an anti-knock agent such as ethanol directly into a cylinder of the engine. A fuel management...
7971580 Control device for internal combustion engine and straddle type vehicle provided with the same  
Startability of an internal combustion engine using a mixed fuel of gasoline and alcohol is improved. An intake passage of the engine has a main flow channel provided with a throttle valve and a...
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