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Class 123/575 - Diverse fuel supply


Subclass of Class 123 - Internal-combustion engines
Definition: Subject matter wherein the engine may be operated from different
No. of patents: 336
Last issue date: 01/10/2012


1                  
NumberTitleIssue Date
8091536Method 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 fuelling an internal combustion engine with hydrogen and natural gas, which ...
01/10/2012
8037875Control 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 concentration of alcohol in the second fuel is known; an alcohol concentrati...
10/18/2011
8037874Fuel 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 air-fuel ratio in the exhaust by adjusting fuel injection of a common fuel ...
10/18/2011
8028683Multifuel 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. ...
10/04/2011
8006677Fuel 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 supply to the engine, a first fuel source structured to provide a pri...
08/30/2011
7987838Controller 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 detector; an air-fuel ratio feedback controller; a period determiner, opera...
08/02/2011
7971580Control 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 bypass flow channel for bypassing the throttle valve. A bypass quantity...
07/05/2011
7954479Fuel supply device for gas engine
A fuel supply device for a gas engine is provided that includes a vaporizer, a primary regulator, a fuel changeover valve, a second inlet passage to which is introduced a second fuel fed out from a second fuel source, and a common outlet passage and can selectively ...
06/07/2011
7946280Method for the operation of an internal combustion engine
The invention deals with a method for the operation of an internal combustion engine with at least two cylinders, which can be operated with a fuel of variable quality stored in a tank and/or with fuel blends stored in the tank from a first and at least a second fue...
05/24/2011
7921831Hydrogen-oxygen fuel supplying system
A hydrogen-oxygen fuel supplying system includes a water hydrolyzing apparatus, a heat dissipation apparatus connected to the water hydrolyzing apparatus, a filter connected to the water hydrolyzing apparatus, a supercharger connected to the filter, a hydrogen-oxyge...
04/12/2011
7856966Controller for internal combustion engine
When an estimated alcohol concentration is higher than a specified concentration, an operation time of an engine is cumulated to obtain an alcohol cumulative operating time (ACOT). When the ACOT exceeds a specified time and a feedback correction quantity of a fuel i...
12/28/2010
7849842System and method for compensation of fuel injector limits
A method for an engine with first and second injectors in a cylinder provides different fuel injection compensation upon reaching minimum pulsewidths of the first and second injectors. When the first injector reaches its minimum pulsewidth, the first injector is dis...
12/14/2010
7841325Fuel 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 microprocessor system controls injection of the anti-knock agent so as ...
11/30/2010
7762243Single nozzle direct injection system for rapidly variable gasoline/anti-knock agent mixtures
Engine management system for operation of a direct injection spark ignition gasoline engine. The system includes a gasoline engine, a source of gasoline and a source of an anti-knock agent. Gasoline and anti-knock agent are introduced into a proportioning valve that...
07/27/2010
7721720Fuel control system and associated method
A fuel control system for controlling the purging of alternate fuel in an internal combustion engine at shutdown includes: at least one valve device configured to deliver a fuel supply to the engine; a first fuel source configured to provide a primary fuel to the va...
05/25/2010
7703446Single nozzle direct injection system for rapidly variable gasoline/anti-knock agents mixtures
Engine management system for operation of a direct injection spark ignition gasoline engine. The system includes a gasoline engine, a source of gasoline and a source of an anti-knock agent. Gasoline and anti-knock agent are introduced into a proportioning valve that...
04/27/2010
7681561Fuel 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 fuel from a first fuel storage region to a second fuel storage region v...
03/23/2010
7673621Learn correction feature for virtual flex fuel sensor
A system for estimating fuel concentration comprises an ethanol estimating module that generates an ethanol estimate based on baseline closed loop corrections (CLC). A fuel system module controls fuel to an engine and generates a fuel system error. The ethanol estim...
03/09/2010
7597090Internal combustion engine
The present invention provides an internal combustion engine which can produce several types of fuels from a single fuel as needed. The internal combustion engine comprises reforming means 3 for reforming a first fuel to be used in homogeneous charge compress...
10/06/2009
7591257Fuel 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 defines a cavity for receiving a moveable selector therein. The select...
09/22/2009
7556030Spark 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 fuel having a known self-ignition property, and a controller. The con...
07/07/2009
7546835Fuel 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 fuel from a first fuel storage region to a second fuel storage region v...
06/16/2009
7533660Method for recognizing a fuel type in a diesel engine
A method for recognizing the fuel type in a diesel engine; the method envisages determining a stoichiometric air/fuel ratio of the last type of fuel used; determining a quantity of fresh air fed to a number of cylinders of the engine; determining a quantity of fuel ...
05/19/2009
7467625Flexible fuel impulse charged engine assembly
The present invention provides a flexible fuel internal combustion engine utilizing impulse charging technology. The internal combustion engine includes a fuel sensor which determines the type of fuel currently being supplied to the engine, for example, either gasol...
12/23/2008
7431024Method and operation of an engine
An engine is disclosed which may operate in a first operating state wherein a spark ignited fuel is ignited in a combustion chamber with an igniter and a second operating state wherein a compression ignited fuel is ignited in a combustion chamber with an igniter. A ...
10/07/2008
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
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
7404397Method 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 particularly adapted to modifying fuel injector control signals based upon de...
07/29/2008
7404380Method 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 internal combustion engine includes a first tank (2) for stori...
07/29/2008
RE40431Method 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 at least some of the time with a first fuel and at least some of the...
07/15/2008
7395818Multi-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 type whereupon the fuel control device controls the outlet pressure o...
07/08/2008
7370610On-board fuel fractionation system and methods to generate an engine starting fuel
A Fuel Fractionation System (FFS) and associated methods to generate and store a fuel for internal combustion engines is provided. FFS provides a distillation column assembly to distill liquid fuel to form a volatile light fraction secondary fuel. The distillation c...
05/13/2008
7367352Multiway valve arrangement
The valve device consists, according to the invention, of (at least) two part valves which are symmetrical in circuit terms with respect to the existing connections and which are designed, in particular, as four-way, two position valves of any desired type of constr...
05/06/2008
7363883Gas 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 installed near a coal mine. Recovered methane gas and ventilated meth...
04/29/2008
7357102System 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 adapted to store hydrocarbon fuel in the fuel chamber in such a mann...
04/15/2008
7357101Engine 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 fraction of gasoline; a second reservoir holding a second fluid containin...
04/15/2008
7353800Multi-source fuel system having grouped injector pressure control
A fuel system for an engine is disclosed. The fuel system has a first source of fuel at a first pressure, and a second source of fuel at a second pressure. The fuel system also has a first plurality of fuel injectors, and a first valve associated with the first plur...
04/08/2008
7340339Power management system
An exemplary power management system may include a power source configured to receive a fuel supply and a transmission driveably engaged with the power source. A control system communicates with the power source and the transmission and is configured to determine a ...
03/04/2008
7320297Internal combustion engine
There is provided an internal combustion engine that uses a blended fuel consisting of hydrocarbon and alcohol, and can efficiently operate relative to a wide range of required load. The internal combustion engine includes: intake ports 4a and 4...
01/22/2008
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