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Class 123/1A - Fuels, lubricants and additives


Subclass of Class 123 - Internal-combustion engines
No. of patents: 737
Last issue date: 05/01/2012


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NumberTitleIssue Date
8166926Internal 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 be heated and pressurized to a selected condition and may used as fue...
05/01/2012
8151740System and method for controlling the calorie content of a fuel
A system and method for providing fuel mixes a first fuel with a second fuel at a mixing point to create a mixed fuel having a first calorie content. A control valve is located upstream of the mixing point. A process system downstream of the mixing point processes t...
04/10/2012
8136486Motorized 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 on-board computer selecting between gasoline and bio-fuel mixtures a...
03/20/2012
8069826Surface passivation and the methods for the reduction of fuel thermal degradation deposits
In a specific embodiment of this invention, deposits and soot formation in a direct injection engine are reduced by passivating the injectors to within 0.1 mm of the injector nozzle. The fuel used with the inventive injectors comprises fuel-soluble additives. ...
12/06/2011
8065979On-board water addition for fuel separation system
A fuel delivery system for an internal combustion engine including a fuel tank, a membrane dividing the fuel tank into at least a first and second portion, the membrane preferentially diffusing a substance from a mixture, the substance having an increased knock supp...
11/29/2011
RE42876Apparatus and method for operating internal combustion engines from variable mixtures of gaseous fuels
An apparatus and method for utilizing any arbitrary mixture ratio of multiple fuel gases having differing combustion characteristics, such as natural gas and hydrogen gas, within an internal combustion engine. The gaseous fuel composition ratio is first sensed, such...
11/01/2011
8037849Method and system for fuel supply to a pump-injector unit of a diesel engine
A fuel supply to unit pump-injector systems of diesel engines includes a gasification and saturation of the liquid diesel fuel. A first fuel line delivers the fuel to a low pressure pump driven by an engine shaft which pumps the fuel to a common low pressure fuel ma...
10/18/2011
8025033Hydrogen and ammonia fueled internal combustion engine
Disclosed is a method of operating an internal combustion engine simultaneously with ammonia and another fuel. The other fuel may be hydrogen, ethanol, propane, natural gas, liquefied petroleum gas, or the like. In a preferred embodiment, the other fuel is hydrogen ...
09/27/2011
8015951Apparatus 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 volume of a mixed fuel is added to an extractor and a polar solvent is us...
09/13/2011
8006652Emissions control system for diesel fuel combustion after treatment system
An emissions control system for the after treatment of a fuel combustion process exhaust stream includes an exhaust passageway. The exhaust passageway allows for passage of an exhaust stream containing exhaust byproducts from the combustion of a fuel that includes a...
08/30/2011
7934474Real time in-line hydrosonic water-in-fuel emulsion apparatus, process and system
Devices, methods and system for combustion of an intimate emulsion of water-in-fuel without the use of chemical additives in order to reduce emissions and improve fuel economy with little or no engine or boiler de-rating or modifications. Apparatus and method for pr...
05/03/2011
7930998Real time in-line water-in-fuel emulsion apparatus, process and system
A water-in-fuel emulsion system comprises a reactor device, a fuel intake connected to said reactor device, a water intake connected to said reactor device, a pump connected to said reactor device, and a circulating emulsion reprocessing inline loop connected to sai...
04/26/2011
7926453Engine oil compositions
A lubricating oil composition comprising (a) a major amount of a base oil of lubricating viscosity and (b) a minor deposit-inhibiting effective amount of a reaction product prepared by transesterifying at least one glycerol ester and at least one non-glycerol polyol...
04/19/2011
7900590Methods and lubricant and fuel compositions for two-stroke engine containing power valves
Methods, a lubricant composition, and a fuel composition for lubricating a two-stroke internal combustion engine include a lubricant composition that contains (A) an oil of lubricating viscosity, (B) an additive composition, and (C) a normally liquid solvent having ...
03/08/2011
7878160Surface passivation and to methods for the reduction of fuel thermal degradation deposits
In a specific embodiment of this invention, deposits and soot formation in a direct injection engine are reduced by passivating the injectors to within 0.1 mm of the injector nozzle. The fuel used with the inventive injectors comprises fuel-soluble additives. ...
02/01/2011
7845315On-board water addition for fuel separation system
A fuel delivery system for an internal combustion engine including a fuel tank, a membrane dividing the fuel tank into at least a first and second portion, the membrane preferentially diffusing a substance from a mixture, the substance having an increased knock supp...
12/07/2010
7793620Integrated gaseous fuel delivery system
An integrated gaseous fuel delivery system is provided. The system includes a storage tank to hold a gaseous fuel and a pressure regulation system disposed interior the storage tank and configured to regulate a pressure of gaseous fuel delivered from the storage tan...
09/14/2010
7762217Combined-cycle combustion engine based on contribution of carbon dioxide (CO) to the combustion gases
A conventional combustion engine, either gasoline or diesel model, with its corresponding engine block and cylinders is provided with complementary injectors for carbon dioxide (CO2) coming from a liquefied gas supply deposit, such that said injectors sup...
07/27/2010
7743738Scavenging phosphorus, sulfur, and lead from combustion exhaust using tungsten compounds and lubricant
The present invention relates to an apparatus and method for delivering tungsten into a fuel combustion system or to the exhaust therefrom. By the present invention, tungsten from the lubricant or the fuel will interact with combustion products and, in particular, p...
06/29/2010
7743737Engine on pulsed fuel additive concentrate dosing system and controller
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 by positive feed means in pulsed doses while the engine is on. The f...
06/29/2010
7726265Fuel tank system for direct ethanol injection octane boosted gasoline engine
Fuel tank system for a direct ethanol injection octane boosted gasoline engine. The system includes a gasoline engine and a main fuel tank that contains a mix of gasoline and gasoline E85. A smaller secondary tank is provided to contain ethanol or E85. An injector d...
06/01/2010
7721681Hydrocarbon and water hybrid engine
The present invention involves methods and apparatus for supplying fuel for a hydrocarbon and water hybrid engine. Water may be supplied from a water supply source to a steam chamber disposed with an exhaust conduit. Heat may be conducted from the exhaust conduit to...
05/25/2010
7665428Apparatus with mixed fuel separator and method of separating a mixed fuel
In an apparatus having an internal combustion engine, a method of operating the engine is disclosed, comprising providing a mixed fuel from a fuel tank to a separator, separating at least a portion of the hydrocarbon fuel component from the mixed fuel by transportin...
02/23/2010
7654231System and method for powering a vehicle
Disclosed are systems and methods for powering a vehicle. The systems and methods provide techniques for agitating fuel stored in a fuel storage tank and then combusting that fuel to power a vehicle. ...
02/02/2010
7647899Apparatus with mixed fuel separator and method of separating a mixed fuel
In an apparatus comprising a fuel tank, an internal combustion engine, and a separator positioned fluidically between the fuel tank and the internal combustion engine, a method of operating the apparatus is disclosed, wherein the method comprises inputting a mixed f...
01/19/2010
7587997Hydrogen 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 pressurized hot water turns to steam and disassociates into a mixture...
09/15/2009
7581516Water/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 external connectors and internal components. One connector is a fluid in...
09/01/2009
7536981Reformate 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 engine. The hydrogen containing gas blend or mix is used as one component...
05/26/2009
7523722Fuel 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 by gravity and dosing is controlled with a signal from a switch loca...
04/28/2009
7523724In 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 auxiliary electrical power is disclosed. The method basically includes pr...
04/28/2009
7523723System 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 fuel rail is monitored during operation of the engine. At least one of...
04/28/2009
7475656Hydrogen 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 receiving combustion products output from engine's operation, a transformer...
01/13/2009
7469661Additive 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 pressurized in order to meter the additive. ...
12/30/2008
7441401Control 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 apparatus for the internal combustion engine includes: an intake air ...
10/28/2008
7434568Method 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 conditioning, at least one fuel dispersing nozzle mounted for discharg...
10/14/2008
7428890On-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 includes a fuel additive reservoir containing a fuel additive in fluid c...
09/30/2008
7426925Warm 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...
09/23/2008
7426908Direct 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
7412966Engine 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 cylinder; and a controller configured to vary an amount of said first and ...
08/19/2008
7409926Controlling 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 the engine, supplying at least a first fuel to the combustion chambe...
08/12/2008
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