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7630822 Fuel injection system for internal combustion engine  
A fuel injection system for an internal combustion engine has a lubricity improver supply for adding a lubricity improver to low-viscosity fuel supplied to a fuel injection apparatus of the engine....
7520272 Fuel injector  
A fuel injector ( 10 ) for an internal combustion engine ( 88 ) includes a centerbody ( 12 ) and a casing ( 14 ) disposed radially outward of the centerbody to define an annular mixing section ( 16...
7475679 Fuel supply system for an internal combustion engine  
In a fuel supply system for a spark-ignition internal combustion engine having a blow-in valve for each cylinder for blowing an easily ignitable mixture of a liquid fuel and a combustion gas via a...
7458364 Internal combustion engine having a fuel injection system  
With reference to Figure, the present invention provides a fuel injection system for an internal combustion engine which delivers fuel to be mixed with charge air for subsequent combustion in a...
7444998 Hydrogen-oxygen plasma engines and dosing methods therefor  
Disclosed embodiments of proposed hydrogen-oxygen and hydrogen-air engines are usable in automotive, power-producing, and other industries. The engines comprise cylinders; water dissociation units,...
7370643 Internal combustion engine having compressed air supply passages therein for routing compressed air to charge injectors  
A V-type internal combustion engine includes cylinder heads having respective compressed-air supply channels extending therein for providing fluid communication between an air compressor and charge...
7331331 Fuel injection valve installation structure of engine  
To effectively reduce operational noise generated by vibration of the fuel injection valve with a fuel injection valve installation structure of an engine. In the structure, an installation hole is...
7261094 Injection unit for an internal combustion engine  
The invention relates to a process for the injection of fuel into an internal combustion engine, wherein the fuel is firstly enriched in a gas enrichment device ( 20 ) with a gas or a gas mixture,...
7252076 Internal combustion engine with air-fuel mixture injection  
A structure for supplying assist air to an air-fuel mixture injection valve including a device for limiting the intake air taken by a compressor, whereby a drive force of the compressor required...
7228851 Canister having absorbent and internal purge pump  
A canister includes a casing that has a tank port connected to a fuel tank, an atmospheric port connected to an atmospheric passage communicating with atmosphere, and a purge port connected to an...
7171958 Nitrous oxide injection system  
A method for increasing the power output of an internal combustion engine is presented. The increase to the power output of the engine may be accomplished by injecting a pressurized oxygen...
7165528 Two-valve high squish flow I.C. engine  
An improved ignition-engine system for internal combustion engines comprising a compact combustion chamber in the cylinder head and two main squish zones ( 101 a , 101 b ) for producing high flow...
7055495 Compression ignition internal combustion engine  
A compression ignition internal combustion engine includes a combustion chamber, an intake valve 19 a , intake port 6 , and an exhaust valve 19 b . The temperature and pressure in the combustion...
7004116 Four stroke auto-ignition engine  
The present invention relates to a method of operating a four-stroke internal combustion engine comprising the steps of: closing an exhaust valve prior to the end of the exhaust stroke to trap...
6959699 Injection of fuel vapor and air mixture into an engine cylinder  
One strategy for reducing undesirable emissions from internal combustion engines relates to finding ways to better mix fuel and air prior to combustion. One such method is commonly referred to as...
6955163 Fuel/nitrous oxide injection plate  
The nitrous oxide injection tube 18 is formed with delivery ports 24 that include interior bores 38 that communicate with the internal passage 26 of the injection tube and larger external...
6938613 Internal combustion engine  
An internal combustion engine is comprised of a gas injecting device injecting gas into the combustion chamber of the internal combustion engine, and a gas injection control device controlling the...
6918383 Fuel control system  
A cold start fuel control system is disclosed for use with an internal combustion engine having a plurality of combustion chambers, a source of fuel and an intake manifold having an inlet and an...
6913003 Direct injected engine control strategy  
A method of operating a direct injected combustion engine having an exhaust system with a conventional three-way catalytic converter, the method including operating the engine with a stoichiometric...
6843238 Cold start fuel control system  
A cold start fuel control system is disclosed for use with an internal combustion engine having at least one combustion chamber, a source of fuel and a primary intake manifold having an inlet and...
6837228 Fuel injector nozzle adapter  
A fuel injector adapter for providing nitrous oxide to an internal combustion engine is disclosed. The nozzle has a fuel injector passage, having a central axis and terminating at an injector...
6837211 Stratified air-fuel mixture forming apparatus for internal combustion engine and method thereof  
In the present invention, in a direct-injection spark ignition internal combustion engine, an air-fuel mixture mass of appropriate density and size is formed in a combustion chamber having a piston...
6651628 Fuel injector with orientation feature for orienting injector with respect to the manifold or head  
A top feed fuel injector for an internal combustion engine includes a housing; a fuel passage within the housing; an electrically controlled valve mechanism for controlling fuel flow through the...
6626160 Engine with air-assisted fuel injection and engine integrated air feed  
An engine includes air-assisted fuel injection including fuel injectors supplying fuel through cylinder head-mounted air injectors. An internal air passage in the cylinder head connects with...
6626159 Gas distributor apparatus for fuel-injection systems  
The gas distributor apparatus has a common gas-supply line for supplying gas to a plurality of devices, e.g., arranged in series, the gas-supply line representing a substructure with an inner...
6609504 Structure for carburetor  
An improved structure for carburetor is mainly comprised of casing, throat, air calibrating cone, ring-shaped throttling hole, and air assisting pore device, etc., wherein the casing is divided...
6564770 Method of injection of a fuel-gas mixture to an engine  
Disclosed is a method of fuelling an internal combustion engine by injection of a fuel-gas mixture to a combustion chamber of the engine comprising delivering a metered quantity of fuel from a fuel...
6561167 Air assist fuel injectors  
An air assist fuel injector system having an air assist fuel injector. The air assist fuel injector includes an integral projection having a recess therein for receiving a fuel injector. The air...
6553980 Center feed of air for air assist fuel injector  
A manifold for a fuel injected engine has several fuel injectors that are connected to a common air assist passageway for each bank of cylinders. This passageway is preferably supplied with assist...
6533954 Integrated fluid injection air mixing system  
An atomizing injector includes a metering set having a swirl chamber, a spray orifice and one or more feed slots etched in a thin plate. The swirl chamber is etched in a first side of the plate and...
6520165 Nozzle for emitting nitrous oxide for fuel to engines  
A nozzle ( 7 ) for a nitrous oxide system for an internal combustion engine contains outlet ( 9 ), to produce a high velocity cylindrical stream of nitrous oxide ( 9 ′) expressed in a certain...
6502561 Cover for a fuel pressure regulator of an air assist fuel injection system  
A cover that covers at least a portion of a fuel pressure regulator of an air assist fuel injection system and fluidly communicates pressurized gas to the fuel pressure regulator.
6484700 Air assist fuel injectors  
An air assist fuel injector having an armature and a solenoid for actuating the armature. The armature includes a conduit having a conical portion for delivering liquid fuel and gas to a poppet of...
6484573 Monitoring equipment for monitoring the performance of an engine fuel injector valve  
Equipment for monitoring the performance of an engine fuel injector valve includes a source of pressurized fluid and an injector valve head connected to an injector valve and the source so that...
6481422 Device for injecting a fuel into a combustion chamber of an internal combustion engine  
The invention relates to a device for controlling the injection of a fuel into a combustion chamber ( 2 ) of a cylinder of a controlled-ignition or diesel internal combustion engine, the combustion...
6463916 Fuel injection system for an internal combustion engine  
A fuel injector assembly for an internal combustion engine, including: a delivery chamber ( 5 ) located within the injector assembly ( 1 ); a mass flow rate control means ( 50 ) for controlling...
6453888 Engine fuel supply system  
An intake path organizer forms an intake path communicating with an air cleaner. The intake path organizer has a fuel passage for guiding fuel from a fuel injection valve fitted into the intake...
6435165 Regulation method for fuel injection system  
A method of regulating gas pressure in a dual fluid fuel injection system for an internal combustion engine having at least one delivery injector, including; determining when the gas pressure...
6427660 Dual fuel compression ignition engine  
A compression ignition internal combustion engine 7 is provided. The engine has at least one combustion chamber 10 having an air inlet 14 and an exhaust outlet 26 . A dual fuel injector is...
6401674 Multi-fuel engine  
An engine capable of use with multiple different types of fuels including gasoline and alcohol based flues and heavy fuels such as diesel fuel, JP5, JP8, Jet A and kerosene based fuels. The engine...
6386186 Fuel vapor handling system  
A fuel vapor handling system for a dual fluid fuel injection system, including: a fuel supply apparatus and a gas supply apparatus for respectively supplying liquid fuel and gas-vapor mixture to at...
6371093 Fuel air injector  
Four embodiments of fuel air injectors wherein variations in the amount of fuel discharged due to the existence of pressure variations between the injector valve and its seat in the fuel injector...
6308687 Control apparatus for multi-cylinder internal combustion engine  
There is disclosed a fuel supply control apparatus for a multi-cylinder internal combustion engine having an injector with air assist, a reasonable system in which injection is made during intake...
6257200 Engine control strategy  
In introducing fuel to a combustion chamber, the end of air (EOA) is established in the crank angle domain. For example, determination of the average or raw speed is utilize to determined an...
6234153 Purge assisted fuel injection  
A fuel control system is provided including a fuel tank, a purge vapor canister, a vapor line, and a fuel injector connected to an internal combustion engine. A purge vapor canister vent valve...
6205983 Air assist fuel injector with fuel swirl feature  
A fuel injector for a spark-ignition, internal combustion engine includes a fuel injector body having inlet and discharge ends. The discharge end includes a fuel swirl disk for inwardly directing a...
6189803 Fuel injection nozzle and method of use  
Atomized particles within a desired size range (e.g., 1 micron to about 5 microns) are produced from two immiscible fluids, the first a fuel source containing the formulation to be atomized, and a...
6158420 Diagnostic apparatus and method for supplying assist air in an internal combustion engine  
A diagnostic apparatus for supplying an assist air in an internal combustion engine includes: an assist air passage for guiding intake air from upstream of a throttle valve to a fuel injector...
6145496 Fuel injector with porous element for atomizing fuel under air pressure  
A fuel injector has a shroud surrounding its valve orifice. The shroud carries a porous element spaced from the orifice to define a chamber. Air passages are provided through the shroud for...
6131824 Air assisted fuel injector  
An air assisted fuel injector for an internal combustion engine includes a fuel nozzle having a fuel orifice and a targeting section cooperating with the fuel nozzle for targeting atomized fuel...
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