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Document Title |
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7621260 |
Internal combustion engine and control method thereof
An operating gas circulation type internal combustion engine that uses argon as the operating gas, for example, and includes a hydrogen and oxygen supply portion, an argon supply amount regulating...
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7607421 |
Pulsation-dampening fuel trim strategy for air/fuel ratio control of propane-fueled, spark-ignited engines
A trim system for controlling an equivalence ratio in a fuel system is provided. The fuel system includes an air duct, a mixer disposed in the air duct, and a converter. The mixer has a reference...
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7591257 |
Fuel selection device
A fuel selection device is provided for allowing a user to connect the cylinders of an internal combustion engine to a user-selected fuel source. The fuel selection device includes a housing that...
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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...
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7506638 |
Fuel delivery system
A fuel delivery system for supplying liquid gas fuel to an engine is disclosed. The fuel can be supplied solely to the engine or together with diesel fuel. The fuel delivery system includes an...
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7487750 |
Variable intake valve and exhaust valve timing strategy for improving performance in a hydrogen fueled engine
A method for a hydrogen fueled internal combustion engine to reduce backfiring, pre-ignition, and/or backflash, the engine also including a combustion chamber, an intake manifold, an exhaust...
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7467621 |
Engine and method for operating an engine
A method of operating an engine is provided. The method may include supplying a combustible combination of reactants to a combustion chamber of the engine, which may include supplying a first...
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7467622 |
Gas fuel supply system
A gas fuel supply system comprises an injector provided in an intake pipe of an internal combustion engine, a fuel supply passage for supplying the gas fuel to the injector, and source pressure...
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7463967 |
Direct injection gaseous-fuelled engine and method of controlling fuel injection pressure
An engine operating method and a direct injection gaseous fuelled system directly injects a gaseous fuel into a combustion chamber during a compression stroke, commands gaseous fuel injection...
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7455046 |
Nitrogen enriched combustion of a natural gas internal combustion engine to reduce NOx emissions
A method and system for reducing nitrous oxide emissions from an internal combustion engine. An input gas stream of natural gas includes a nitrogen gas enrichment which reduces nitrous oxide...
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7455037 |
Gas fastening apparatus having an internal combustion engine and gas induction device connected by a flexible tube
The apparatus includes a handle ( 1 ) with a gas cartridge housing and the gas induction device ( 4 ) designed to be mounted on the cartridge and connected to the engine. The engine and the...
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7451942 |
Direct fuel injector assembly for a compressible natural gas engine
This invention relates to the injection of compressible gaseous fuel directly into the combustion chamber of a reciprocating piston-type internal combustion engine. In particular, the invention...
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7434568 |
Method and apparatus for liquid fuel conditioning to improve combustion
A fuel is conditioned in a fuel supply system for more efficient combustion in a combustion chamber. The conditioning system includes a plurality of vessels, each defining a fuel chamber for fuel...
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7426920 |
Fuel mixer apparatus and method
An apparatus to deliver a fuel into a chamber is provided. In one embodiment, the apparatus includes a fuel inlet and a substantially circular fuel distribution canal communicating with the fuel...
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7418954 |
Gaseous fuel and air mixer for an engine
A path ( 24 ) is formed in an intake tube ( 6 ), which supplies external air to a reciprocating engine ( 4 ). External air flowing from an inlet port to an outlet port of the path ( 24 ). A gaseous...
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7412972 |
Dispersion-type suppressor for acoustic noise reduction of a gaseous fuel injector
A CNG fuel injector for a fuel system of an internal combustion engine. The fuel system includes a fuel rail and an engine manifold. The fuel injector includes a fuel inlet for fluid communication...
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RE40431 |
Method of regulating an internal combustion engine
Method of regulating an internal combustion engine in order to reach presettable nitrogen oxide emission values of the internal combustion engine, wherein the internal combustion engine is supplied...
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7395818 |
Multi-gaseous fuel control device for a combustion engine with a carburetor
A fuel control device for a combustion engine capable of running on any one of a plurality of fuels has a fuel selection module with a plurality of fuel type settings for selecting a specific fuel...
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7389761 |
Fuel pump noise-reduction apparatus in liquefied petroleum injection vehicle
A fuel pump noise-reduction apparatus in a Liquefied Petroleum Injection (LPI) vehicle comprises a Liquefied Petroleum Gas (LPG) switch. A plurality of shut off valves are configured for activation...
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7377267 |
Injection strategy to maximize efficiency in gaseous engine
A method is provided for an engine capable of burning gaseous fuel, the engine also including a combustion chamber, a fuel supply system with at least one fuel tank, at least one intake valve, and...
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7373931 |
Method and apparatus for delivering two fuels to a direct injection internal combustion engine
An apparatus for delivering two fuels to a direct injection internal combustion engine comprises a liquid-fuel supply rail, a gaseous-fuel supply rail, a drain system with a shared drain rail for...
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7373932 |
Heating apparatus for liquefied gas fuel supply system
A heating apparatus for a liquefied gas fuel supply system includes a heating unit, a detecting unit and a setting unit. The liquefied gas fuel supply system vaporizes liquefied gas fuel to supply...
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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...
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7363883 |
Gas engine electric power generating system effectively utilizing greenhouse gas emission credit
A gas engine electric power generating system in which an electric power generating apparatus including an electric power generator connected with a gas engine of a pilot fuel oil ignition type is...
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7343905 |
System and method for conditioning fuel
An engine assembly may include an internal combustion engine configured to combust a gaseous fuel. The engine assembly may also include a fuel intake line operatively connected to the internal...
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7334770 |
Solenoid isolation valve
An improved pilot-operated, “instant-on”, solenoid isolation valve discloses a new fluid passage route to save cost of drilling a longitudinal hole within the primary piston. Also, a new...
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7318426 |
Fuel-control manifold with broad-range temperature and pressure capability
A fuel-control manifold has a non-integral body with at least three pieces joined together. The fuel-control manifold has a tank port, an engine supply port, a fueling port, and a shutoff valve,...
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7308889 |
High pressure gaseous fuel supply system for an internal combustion engine and a method of sealing connections between components to prevent leakage of a high pressure gaseous fuel
A high-pressure fuel system supplies gaseous fuel to an internal combustion engine. Gaseous fuel pressure within the system is at least 17 MPa during normal operation. The system comprises a number...
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7287519 |
Method and apparatus for fuel injection systems
An apparatus ( 100 ) for a gaseous fuel injection system includes a first chamber ( 15 b ) connectable with a source of gaseous fuel at a required inlet pressure, a second chamber ( 15 c )...
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7284543 |
Fuel injection system
A fuel injection system includes (i) an injector for injecting gaseous fuel and liquid fuel into a cylinder of an internal combustion engine, (ii) a gaseous fuel supplying unit having a gaseous...
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7284542 |
Tapered toroidal flow control valve and fuel metering device
A fuel metering device utilizing a tapered toroid shaped flow control valve placed between a pressure chamber and a discharge space, with a seal, fixedly mounted to the valve, fluidically isolating...
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7278407 |
Boost control for internal combustion engine using substantially carbon-free fuel
A system and method for limiting HC, CO, CO 2 , and NO x emissions in an internal combustion engine is provided. According to one aspect of the disclosure, a substantially carbon-free fuel, such...
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7240669 |
Method of operating an internal combustion engine with a dual fuel injection system
In a method of operating an internal combustion engine by supplying a gaseous fuel from a gaseous fuel tank to a combustion air feed line in which a compressor is arranged to the engine, part of...
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7231930 |
Valve assembly cleaning device
A valve assembly cleaning device includes a conduit fluidly couples the liquid propane regulator and valve assembly to a propane tank. The cleaning system includes a first tube selectively coupled...
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7207321 |
Fuel delivery system
A fuel delivery system for supplying liquid gas fuel to an engine is disclosed. The fuel can be supplied solely to the engine or together with diesel fuel. The fuel delivery system includes an...
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7191768 |
Gas fuel feed device
It is an object of this invention to provide a gas fuel supply system in which a controllable range in the fuel injection quantity control by an injector is enlarged. According to one preferable...
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7182073 |
LPI engine system
Disclosed herein is an LPI engine system. The LPI engine system of the present invention directly injects LPG fuel under high pressure into an intake system of an engine through an injector and...
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7162995 |
Method for injecting gaseous fuels into an internal combustion engine at high pressures
A method directly injects gaseous fuel into the combustion chamber of an internal combustion engine. The compressibility of the gaseous fuel is used to provide a fuel to the combustion chamber that...
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7140354 |
Compressed gaseous fuel system for internal combustion engine
A compressed gaseous fuel system for an internal combustion engine includes an electronic engine controller, a common fuel rail, fuel injectors operatively connected with the common-rail and with...
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7131431 |
Electronic pressure regulator
The present invention relates to an electronic pressure regulator that can be used for gaseous fuel control on internal combustion engines. More particularly, the present invention relates to an...
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7128060 |
Device for expanding liquefied gas with separate vaporizing element
Arrangement for expanding liquefied gas. The arrangement includes a vaporizing element having a heat exchanger. The heat exchanger has an impermeable enclosure containing a heating fluid and a...
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7124714 |
Fuel supply apparatus using low boiling point fuel and its control method
A fuel supply apparatus reduces the fuel vaporization and leakage. The positions of vaporization and leakage and their amount in the fuel tank and the fuel pipe are detected when using a low...
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7100581 |
Gas feeding system for an internal combustion engine, having a pressure reducing valve connected to the intake manifold
In a gas-supply system for internal-combustion engines, a pressure-reducing valve is arranged between the reservoir of the gas and a distribution manifold or rail that feeds the gas to a series of...
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7073490 |
Gas feeding system for an internal combustion engine, having an improved pressure reducing valve
In a gas-supply system for internal-combustion engines, a pressure-reducing valve is set between the reservoir of the gas and a distribution manifold or rail that feeds the gas to a series of...
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7073489 |
Apparatus and method for controlling the temperature of the liquid petroleum gas (LPG) fuel
A system for controlling the temperature of gaseous fuel for a coolant cooled engine having a liquid to gas converter where the coolant is adapted to heat the converter. The system includes a gas...
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7066155 |
Method and system for the control of fumigation
A system and method of adjusting the rate of supplementary fuel flow to an engine while monitoring the operating characteristics of an engine. The amount of pressure to apply to a regulator valve...
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7055506 |
Fuel control system for a dual fuel internal combustion engine
A gaseous fuel control system for regulating fuel flow to a dual fuel internal combustion engine has a phase converter for converting the fuel from a liquid state to a gaseous state and control...
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7047947 |
LPG vehicular liquid transfer system
A fuel system for supplying LPG fuel, the system including a fuel storage tank and a fuel transfer tank. A first pump pushes fuel to a vehicle engine from the transfer tank and excess fuel from the...
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7044113 |
Systems for delivering liquified gas to an engine
A liquified gas delivery system for a motorized platform includes a holding tank configured to receive liquified gas. A first conduit extends from a vapor holding portion of the tank to a valve...
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7036491 |
Internal combustion engine gas feeding system
In a gas-supply system for internal-combustion engines, a pressure-reducing valve is set between the reservoir of the gas and a distribution manifold or rail that feeds the gas to a series of...
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