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Class 123/576 - Fuel switched in response to engine starting condition


Subclass of Class 123 - Internal-combustion engines
Definition: Subject matter in which means are provided for switching
No. of patents: 67
Last issue date: 02/24/2009


1    
NumberTitleIssue Date
7493897Fuel supply apparatus and fuel supply control apparatus for internal-combustion engine
A fuel supply apparatus includes a component adjustment unit, a low-pressure side passage, and a valve. The unit adjusts component composition of fuel by separating a particular component from fuel. The unit includes a component separation wall, which divides an int...
02/24/2009
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
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
7367317Control apparatus for internal combustion engine
An engine ECU executes a program including a step of sensing a coolant temperature TW of an engine, if a start request of the engine is sensed, a step of causing only an intake manifold injector to inject fuel to start engine 10, if coolant temperature TW is ...
05/06/2008
7159568System and method for engine starting
A system for an engine of a vehicle, comprising of a cylinder of the engine, a first injector configured to inject a first fuel to said cylinder, a second injector configured to inject a second fuel to said cylinder, and a controller configured to, during a first op...
01/09/2007
7080626Intake mixture motion and cold start fuel vapor enrichment system
An engine system includes an engine having an intake manifold, a cylinder and an intake mixture motion system. The intake mixture motion system includes a plate disposed upstream of the cylinder and an actuator that moves the plate between an open position and a clo...
07/25/2006
7055511Fuel supply system including a pump unit
In a fuel supply system for an internal combustion engine in which a gas delivery pump, a fuel pump and an electric motor are included in the fuel supply system and form a pump unit, the electric motor is incorporated in the system in such a way that it can selectiv...
06/06/2006
6990948Direct injection engine system and start-up method for direct injection engine
An engine system is capable of switching between a first fuel injection mode, in which fuel is injected from a fuel injection valve 23 directly into a combustion chamber 6 in the compression stroke, and a second fuel injection mode, in which fuel is in...
01/31/2006
6959693Fuel injection system and method
A fuel injection system includes a first fuel injector that injects a lower-octane fuel into a combustion chamber of an internal combustion engine, and a second fuel injector that injects a higher-octane fuel into an intake passage of the engine. When the engine tem...
11/01/2005
6923168Fuel control system and method for distributed power generation, conversion, and storage system
A distributed power generating system enables very rapid and reliable start-up of an engine used to generate back-up power, thereby substantially reducing the need for stored power. More particularly, the distributed power generating system comprises a power bus ele...
08/02/2005
6494192On-board fuel vapor collection, condensation, storage and distribution system for a vehicle
An on-board fuel vapor recovery system draws vapors from a fuel tank, compresses the vapors, and then cools the compressed vapors to form a condensate liquid fuel which is stored in an auxiliary condensate tank for introduction to an engine for enhanced c...
12/17/2002
6467470Method and system for refuelling cold-start fuel tanks
The present invention relates to a fuel system as well as a method for controlling the same. More specifically, it relates to a fuel system of motor vehicles adapted to be powered by alcohol-containing fuels, and specifically by alcohol-containing fuels a...
10/22/2002
6371094Method and apparatus for forming a fuel-air mixture for an internal combustion engine during a warmup phase
A method and an apparatus for forming a fuel-air mixture for an internal combustion engine during a cold-starting and warmup phase. During the normal operation of the engine, fuel is evaporated by means of an evaporation and condensation system in order t...
04/16/2002
6135426Priming system for internal combustion engines
The priming system for a dual feed internal combustion engine provides a lighter, starting fuel to the venturi, the fuel nozzle, or to the carburetor bowl for engine starting. In a first embodiment, the starting or secondary fuel is mixed with the primary...
10/24/2000
6119637On-board gasoline distillation for reduced hydrocarbon emissions at start-up
A gasoline distillation apparatus (12) for an engine (14) includes a heated vapor separator (22), a condenser (24), and a controller (28). The heated vapor separator (22) partially vaporizes the engine's primary fuel (16) to generate a fuel vapor (44). Th...
09/19/2000
6105561Fuel feeding system and method for an internal combustion engine able to be operated selectively with gasoline or gas
In a fuel feeding system for an internal combustion engine adapted to selectively operate with gasoline or with a gas, such as LPG or methane, the engine is compelled to restart automatically in the gasoline mode after a stop during which the gas reservoi...
08/22/2000
5996562Process for drawing volatile components out of fuel in a tank
A process is provided for drawing low-boiling volatile components, such as 2-methylbutane, 2,3-dimethylbutane and pentane, out of fuel in a fuel tank of a passenger car or utility vehicle by applying a vacuum to the fuel tank by means of a diaphragm pump;...
12/07/1999
5775281Determination of heat soak conditions
A method and an arrangement for determining the presence of heat soak conditions in an internal combustion engine (1) of a type using fuel injection. Particularly useful when the or one of the fuels used in the engine (1) is susceptible to vaporisation in...
07/07/1998
5775282Auxiliary injector
An auxiliary injector arrangement in a fuel supply system for an internal combustion engine. The auxiliary injector arrangement includes at least one injector mounted in the inlet manifold upstream or downstream of the throttle and adapted to supply fuel ...
07/07/1998
5566653Method and apparatus for clean cold starting of internal combustion engines
An improved starting system for internal combustion engines that normally use a liquid fuel such as gasoline. Gaseous fuels such as hydrogen, natural gas, propane, butane and the like are used in place of the liquid fuel during engine starting and for a s...
10/22/1996
5555873Fuel tank switching apparatus
A fuel tank switching apparatus provides for the automatic switching of fuel delivery systems from a tank or tanks containing fuel which is taxed, to an auxiliary tank which stores untaxed fuel therein. The apparatus is particularly adapted for use in lar...
09/17/1996
5549083Method and apparatus for clean cold starting of internal combustion engines
An improved starting system for internal combustion engines using gaseous fuels such as hydrogen, natural gas, propane, butane and the like. In an engine using liquid fuel injection for normal operation, a sensor for the catalytic converter is provided to...
08/27/1996
5524582Two-phase fuel emission system for spark ignited engine
An internal combustion engine having a pollution control system with a catalytic converter using a two-phase fuel system in which a small supply of flammable gaseous fuel is used for ignition and initial start-up of the engine. As the engine is warmed up ...
06/11/1996
5474047Process for supplying fuel to an internal combustion engine and engine for using it
A process for supplying fuel to an internal combustion engine of the multi-cylinder type with controlled fuel injection and comprising a controlled fuel vapor recovery system. During predetermined operating phases of the engine, the fuel injection is stop...
12/12/1995
5357908Fuel modification method and apparatus for reduction of pollutants emitted from internal combustion engines
A method for controlling exhaust gas emissions from an engine (16) includes extracting a light distillate fuel (Fd) from conventional gasoline or other liquid hydrocarbon fuel and supplying the engine with the light distillate fuel during an initial opera...
10/25/1994
5181488Two different fuel feeder
A fuel supply system for an outboard motor having a main fuel supply for supplying fuel to the engine and an enrichment fuel supply for supplying a different fuel for starting and cold running. The enrichment fuel supply supplies fuel to the engine throug...
01/26/1993
5010870Portable engine-pump assembly
An engine for a portable engine-pump assembly is designed to operate on a safe fuel such as JP5 or DFM. The engine is started by a starting fuel such as propane which is supplied to the engine from a pressurized propane-containing cartridge. The propane s...
04/30/1991
5000134Fuel supplying system for internal combustion engine
Several embodiments of additional fuel supply systems for internal combustion engines that supply supplemental fuel in addition to the normal charge forming device to satisfy certain specific requirements such as cold starting and cold running. In each em...
03/19/1991
4955326Low emission dual fuel engine and method of operating same
A dual fuel engine system and method of operating the engine reduces emission rates of polutants. The dual fuel engine includes a fuel oil supply connected to the engine and a fuel gas supply connected to the engine. Means connected between the fuel oil s...
09/11/1990
4911116Cold-start apparatus and cold-start method
A cold-start apparatus for alcohol-fueled internal combustion engines in which a certain quantity of gasoline is injected directly into the combustion chambers upon starting. To assure reliable start-up of the engine with the aid of gasoline, and beyond a...
03/27/1990
4878475Fuel supply system for internal combustion engines
A fuel supply system for internal combustion engines in which two different fuels are used, one to start the engine, to operate it at idling speed and to supplement the other fuel during acceleration, and the second to operate the engine at its normal wor...
11/07/1989
4876989Enhanced performance of alcohol fueled engine during cold conditions
Apparatus and method are described for enhancing performance of an alcohol fueled engine during cold conditions, with such enhancement being particularly effected by generation of ether to assist cold operation including starting and/or to achieve reduced...
10/31/1989
4757796Carburetor/mixing chamber and dual throttle control and cold starting apparatus for gasoline engine
Apparatus including a mixing chamber is installed between a standard carburetor base and the intake manifold of a gasoline engine. The mixing chamber includes an air inlet port for admitting a controlled amount of outside air into the mixing chamber and a...
07/19/1988
4712516Fuel supply for a rotary piston engine
A dual fuel supply for a rotary piston engine in which there is one fuel supply means for a running fuel of low volatility and another fuel supply for a starting fuel of high volatility. The starting fuel is contained in safe scaled pressurized cartridges...
12/15/1987
4646691Auxiliary fuel supply device for alcohol engine
In an alcohol engine using a alcohol and foreign fuel having combustibility higher than that of the alcohol as a fuel, an auxiliary fuel quantity adjusting means and control means are provided so that a ratio of a quantity of the foreign fuel to a quantit...
03/03/1987
4606319System and method of vaporizing liquid fuel for delivery to an internal combustion engine
Apparatus and methods are disclosed for controlled vaporization of a liquid fuel and delivery of the vaporized fuel to an internal combustion engine. Vaporizing apparatus, which uses heat generated by the internal combustion engine vaporizes the liquid fu...
08/19/1986
4570605Fuel supply for a piston engine
A dual fuel supply for a piston engine in which there is one fuel supply means for a running fuel of low volatility and another fuel supply for a starting fuel of high volatility. The starting fuel is contained in safe scaled pressurized cartridges. The t...
02/18/1986
4506649Vent system
A fuel system for a dual fuel outboard motor having a fuel connector in position to have a second connector connected to it to enable fuel to be transfered to the motor from a remote fuel tank via a hose leading to the second connector. A small tank of st...
03/26/1985
4499861Method and apparatus for the injection of alcohol fuels, more particularly for direct injection diesel engines
According to the method in the two-fuel system, using diesel and alcohol l, the alcohol fuel is continuously supplied with a fuel pump and the diesel fuel is discontinuously supplied with an injection pump by way of separate lines of an injection apparat...
02/19/1985
4499862Injection device for direct injection diesel engines using alcohol and diesel fuel
The injection device has a nozzle body (10) wherein the liquid-controlled edle valves (17; 18) are opened by the diesel fuel supplied by an injection pump via the annular line (12) and the pressure channels (13; 14) when the opening pressure po...
02/19/1985
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