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7621257 |
Engine valve operation
Various approaches are described for operating an engine in a vehicle having variable valve operation for an intake and/or exhaust valve of the cylinder. In one example, a method comprises...
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7615520 |
Additives and lubricant formulations for improved antioxidant properties
A method and compositions for lubricating surfaces with lubricating oils exhibiting increased antioxidant properties. The lubricated surface includes a lubricant composition containing a base oil...
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7615519 |
Additives and lubricant formulations for improved antiwear properties
A lubricated surface and method for reducing wear between metal parts. The lubricated surface contains a base oil of lubricating viscosity and an amount of a hydrocarbon soluble titanium compound...
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7587997 |
Hydrogen gas injector plug for diesel engines
The hydrogen gas injector plug for diesel engines employs an injector plug for generating hydrogen gas from water. Pressurized hot water is pulsed into contact with a heated metallic catalyst. The...
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7581516 |
Water/alcohol injection flow switch safety device
An embodiment of a water/alcohol injection safety device adapted to signal a user and vehicle equipment when injection has reached a set flow rate specified by the user comprises a housing with...
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7565900 |
Fuel property determining apparatus, leakage detecting apparatus, and injection control apparatus
A fuel property determining apparatus is provided to a fuel vapor treatment apparatus. The fuel vapor treatment apparatus controls purging of mixture containing fuel vapor, which is generated in a...
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7557255 |
Method and an unleaded low emission gasoline for fueling an automotive engine with reduced emissions
An unleaded reduced emissions gasoline having at least one of an octane less than about 86.7, a sulfur content less than about 40 ppmw sulfur and containing an oxygenate, and having reduced...
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7556030 |
Spark ignition type internal combustion engine
A spark-ignition type internal combustion engine, including a main tank for storing a to-be-determined fuel having an unknown self-ignition property, an auxiliary tank for accumulating a reference...
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7550861 |
AC power supplying system, power supply apparatus, and vehicle having the same
Upon power failure of a commercial power source, an automatic switching device switches to power supply from a hybrid vehicle. An ECU of the vehicle, when receiving a request for generation of a...
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7546835 |
Fuel delivery system for multi-fuel engine
A fuel delivery system for an internal combustion engine and a method of operating the fuel delivery system are provided. An example embodiment of the method includes: transferring at least some...
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7540888 |
Fuel compositions comprising tetramethylcyclohexane
A fuel composition comprises at least a tetramethylcyclohexane having a quaternary carbon atom in the cyclohexane ring and optionally, a fuel component. The tetramethylcyclohexane can be used as a...
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7536981 |
Reformate assisted combustion
A hydrogen gas generator in the form of a reformer is used to produce a reformate gas containing hydrogen and at least one other component for use as a fuel or part of a fuel for a compression...
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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...
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7533521 |
System and methods for improved emission control of internal combustion engines using pulsed fuel flow
The present invention provides systems and methods to improve the performance and emission control of internal combustion engines equipped with nitrogen oxides storage-reduction (“NSR”)...
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7526374 |
Ethanol compensated fuel density for fuel consumed calculation
An engine control module determining an alcohol compensated fuel consumption value includes an alcohol percent module that determines an alcohol percent in fuel and a fuel mass module that...
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7523744 |
Apparatus and method for controlling an internal combustion engine
When an internal combustion engine controller determines that an internal combustion engine is experiencing difficulty in starting, the fuel injection amount is corrected according to a first...
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7523724 |
In transit desulfurization of widely available fuels
A method of and system for reducing engine environmental atmospheric pollution emissions from a vehicle having a combustion engine utilizing hydrocarbon fuel for at least one of propulsion and...
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7523723 |
System and method for determining ethanol content in fuel
A system and method are provided for determining an ethanol content of a fuel that is part of a fuel and air mixture combusted within an internal combustion engine. A pressure characteristic of a...
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7523722 |
Fuel additive concentrate dosing system
A safe, reliable system for automatically dosing diesel truck fuel tanks with a fuel additive is provided. The additive, such as a concentrated solution containing fuel borne catalyst (FBC), is fed...
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7493884 |
Method and system for reducing pollutant emissions of an engine
A system for reducing pollutant emissions may include an engine, an intake system fluidly connected to the engine for supplying air into the engine, and a carbon dioxide supply fluidly connected to...
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7487631 |
System and method for supplying reductants to an emission treatment system
System and method for supplying reductants to an emission treatment system. The system includes a fuel tank adapted to supply a premixed fuel stream that includes a primary component and a...
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7478627 |
Fuel control apparatus for internal combustion engine
When a combustion feedback correction coefficient to which a predetermined value is added in correspondence to half miss firing judgment exceeds a heavy fuel judgment value (K 0 ), heavy fuel...
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7475656 |
Hydrogen and oxygen production and accumulating apparatus including an internal combustion engine and method
An apparatus, including an internal combustion engine, produces hydrogen fuel from water to power the engine, comprises water supply means, fuel storage means, controlling means, a collector...
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7469661 |
Additive tank for a vehicle having an internal combustion engine
An additive tank for a vehicle having an internal combustion engine, the tank including a flexible bag which contains the additive and is connected to a device allowing the flexible bag to be...
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7454285 |
Optimized flex fuel powertrain
A fuel system and powertrain for a flexible fuel system vehicle utilizes a controller system to control variables in an engine and the final drive optimize operating efficiency of the vehicle while...
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7449034 |
Continuous dehydration of alcohol to ether and water used as fuel for diesel engines
The present invention relates to an oxygenated fuel composition suitable for use in compression ignition internal combustion engines, equipped with inlet air heater and catalytic alcohol...
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7444987 |
Fuel management system for variable anti-knock agent 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...
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7441401 |
Control apparatus for internal combustion engine
The present invention provides a control apparatus for an internal combustion engine which can make a determination on fuel property with high accuracy without causing a cost increase. The control...
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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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7428890 |
On-board fuel additive injection systems
Disclosed is a fuel additive system for internal combustion engines in which the fuel additive system is disposed on-board a vessel such as marine vessel or locomotive. The fuel additive system...
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7412966 |
Engine output control system and method
A system for an engine, comprising of a cylinder located in the engine; a first injector for injecting a first fuel into said cylinder; a second injector for injecting a second fuel into said...
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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...
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7406955 |
Method and system for liquid fuel conditioning
A fuel conditioning method is applicable to common rail direct injection or unit injector system. A liquid fuel is conditioned for higher-efficiency combustion in a combustion chamber. The...
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7406947 |
System and method for tip-in knock compensation
A method of controlling an engine, the method comprising of providing fuel having a blend to a cylinder of the engine, actively varying said fuel blend in response to at least an operating...
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7404397 |
Method and apparatus for modifying fuel injection scheme
A fuel injector control modification module is configured to modify primary fuel injector control signals provided by an engine control unit of an internal combustion engine. The module is...
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7404380 |
Method of controlling compression-ignition internal combustion engine
There is provided a control method of a compression-ignition internal combustion engine capable of easily coping with a wide range of required loads by a single fuel. A compression-ignition...
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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...
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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...
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7389751 |
Control for knock suppression fluid separator in a motor vehicle
A system for an engine of a vehicle, comprising of a cylinder located in the engine, a delivery system configured to deliver fuel and a fluid to at least an engine cylinder while the vehicle is...
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7383792 |
Hydrogen gas injector plug
The hydrogen gas injector plug for generating hydrogen gas from ambient air drawn into the piston chamber of an engine includes an array of nozzles fabricated from a metal or a mixture of metals....
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7377254 |
Extending operating range of a homogeneous charge compression ignition engine via cylinder deactivation
An HCCI engine has the ability to operate over a large load range by utilizing a lower cetane distillate diesel fuel to increase ignition delay. This permits more stable operation at high loads by...
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7377235 |
Heat exchanger for hydrogen-operated fuel supply systems
A fuel supply system for an internal combustion engine operable using hydrogen and/or for a fuel cell includes a hydrogen tank, which is provided for storing deep-cooled, liquid hydrogen, and a...
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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...
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7367309 |
Internal combustion engine
An internal combustion engine is provided which can operate by either the homogeneous charge compression ignition system or the spark ignition system using a single fuel. In the internal combustion...
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7367289 |
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 a canister 52 for...
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7367183 |
Internal combustion engine with a fuel reformer and ammonia generator
The present invention relates to an internal combustion engine which is used in particular in motor vehicle having a reformer for generating hydrogen, whereby the reformer has a single operating...
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7360509 |
Method for operating compression ignition internal combustion engine
An object is to provide a method for operating a compression ignition internal combustion engine which, using a single fuel, can produce diesel combustion when the load is high, or...
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7357102 |
System for generating hybrid fuel for a combustion engine
A system includes: an electrolytic cell for electrolytically converting water into a oxyhydrogen gas, the electrolytic cell having a gas outlet port; a fuel tank defining a fuel chamber therein and...
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7357101 |
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...
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7354462 |
Systems and methods of improving diesel fuel performance in cold climates
Embodiments of the present invention are directed toward systems and methods of providing a low-emissions diesel fuel for use in cold climates. Such fuels may be prepared by a Fischer-Tropsch...
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