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Internal-combustion Engines > Charge Forming Device (e.g., Pollution Control) > Fuel Injection System

Fuel Injection System

Fuel Injection System patent applications listed include Date, Patent Application Number, Patent Title, Patent Abstract summary and are linked to the corresponding patent application page.

07/10/14 - 20140190451 - Fuel injector for internal combustion engines
A fuel injector for internal combustion engines is provided, which has a valve seat member, bordering a valve chamber, having a valve seat and spray orifices and a central blind-end bore as well as a valve member that is able to be driven to cause a lift motion having a...

07/03/14 - 20140182550 - Quill with integrated flow limiter
A high-pressure quill for a fuel injection system of an engine includes a pair of elongated components linked together in fluid communication. The upstream component includes a plenum chamber with a seat at its upstream end. The pair of elongated components is linked together by a linking component in a...

06/12/14 - 20140158090 - Fluid injection valve and spray generator
Provided is a fuel injection valve which achieves both atomization of a fluid spray and improvement of the degree of freedom in design of a spray shape, a spray direction, etc. According to a fuel injection valve (1) of the present invention, at least one of injection holes is a...

05/22/14 - 20140137840 - Method and apparatus for providing adaptive swirl injection and ignition
A fuel injector-igniter incorporating adaptive swirl injection and ignition. The fuel injector-igniter comprises a housing, an actuator, and a valve. The valve includes a valve head operative to open and close against a valve seat in response to activation of the actuator. The valve seat includes an electrode portion extending...

05/15/14 - 20140130776 - Multi-fuel delivery system
A method for fuelling an internal combustion engine, and a fuel system for delivering a variety of fuel types to the engine, configured to accommodate liquid fuels such as gasoline, ethanol or a blend thereof, and gaseous fuels such as CNG, LNG or LPG. The engine is configured to operate...

05/15/14 - 20140130777 - Detection method of airtight failure in working-gas circulating type gas engine, and working-gas circulating type gas engine using the method
[Means for Solution] In a working-gas circulating type gas engine, an extra predetermined quantity 1 of at least one of fuel gas, oxidizer gas, and working gas is supplied as surplus gas into a circulation passage. Based on the difference between this predetermined quantity 1 and increment of this predetermined...

05/08/14 - 20140123944 - Hybrid carburetor and fuel injection assembly for an internal combustion engine
A hybrid fuel injection and carburetor assembly for delivering a fuel and air mixture into an intake manifold of an engine is provided. The assembly includes a housing and a plurality of inserts with Venturi-shaped bores to establish low pressure regions in the flow of air. The housing and inserts...

05/08/14 - 20140123945 - Fuel distributor
A fuel distributor which is used particularly for fuel injection systems of mixture-compressing, spark ignition internal combustion engines, includes a first half shell and a second half shell. A fuel chamber is embodied between the half shells. A plurality of cups is embodied on the first half shell and/or on...

05/08/14 - 20140123946 - Injector for injecting fluid
An injector for injecting fluid includes a valve needle axially moveable with respect to a valve body and operable to prevent a fluid injection in a closing position and to permit the fluid injection in an open position, an armature for moving the valve needle in a first direction from...

05/01/14 - 20140116386 - Fuel system having multiple gaseous fuel injectors
A fuel system for an engine is disclosed. The fuel system may have a first fuel injector configured to inject a first stream of gaseous fuel radially into a combustion chamber of a cylinder of the engine through a first air intake port. The fuel system may also have a...

04/10/14 - 20140096745 - Fuel supply device for engine
A fuel supply device for an engine is provided in which a throttle body is provided with an electrically operated fuel pump, wherein a base member integrally having a base portion that extends in the vertical direction on one side of the throttle body and a housing tube portion that...

03/13/14 - 20140069384 - Control apparatus and method for an internal combustion engine
The present invention resides in a control apparatus for an internal combustion engine in which selective use is made of a case where a first fuel, being easy to be ignited, is caused to combust by itself, and a case where a second fuel, being hard to be ignited, is...

02/20/14 - 20140048041 - In-cylinder pressure detecting device of direct injection type internal combustion engine
An in-cylinder pressure detecting device of a direct injection type internal combustion engine is provided in which a ring-shaped pressure detection element (34) surrounding a fuel injection hole (33b) is provided in the vicinity of an extremity of an injector (20) that injects fuel into a combustion chamber. Since the...

02/13/14 - 20140041631 - Injector-igniters with variable gap electrode
Fuel injector-igniters with variable gap electrodes. A fuel injector-igniter comprises a housing, an actuator disposed in the housing, and a valve including a valve head operative to open and close against a valve seat in response to activation of the actuator. An electrode cage surrounds the valve head and includes...

02/06/14 - 20140034015 - Injection device for two fuels containing ethanol, an internal combustion engine, and a method for operating an injection device
An injection device for an internal combustion engine having a first injection system for injecting fuel having a first fuel composition, and a second injection system for the injection of fuel having a second fuel composition that has a lower ethanol component than the first fuel composition, the first injection...

01/30/14 - 20140026855 - Split-cycle, reactivity controlled compression ignition engine and method
An internal combustion engine includes a first cylinder having an intake valve in fluid communication with an intake manifold, and a second cylinder having an exhaust valve in fluid communication with an exhaust manifold. A transfer passage fluidly connects the first cylinder with the second cylinder. A first fuel injector...

01/30/14 - 20140026856 - Method for optimizing combustion engines
treatment and magnetization of the air fed to the internal combustion engine with at least one pair of magnets (16), placed on a suction duct (17) in proximity to the engine, adapted to provide the air fed to the engine with an opposite charge from that provided to the fuel...

01/16/14 - 20140014067 - Fuel injector
Various embodiments relating to controlling a fuel injection quantity of a fuel injector are provided. In one embodiment, a fuel injector for an internal combustion engine includes a fuel supply channel, a nozzle valve including a valve stem, and an actuator to actuate the nozzle valve. The nozzle valve and...

01/09/14 - 20140007841 - Control apparatus for internal combustion engine
A direct-injection injector (16) is included, which is capable of injecting a fuel by dividing the fuel in any desired number of times of division by using at least one of the intake stroke and the compression stroke during one cycle of an internal combustion engine (10). When an occurrence...

01/09/14 - 20140007842 - Fuel supply apparatus
A fuel supply apparatus includes a material fuel tank, a separator, a condenser, a first fuel tank, and a first storage device. The material fuel tank is to store a material fuel. The separator is to separate the material fuel supplied from the material fuel tank into a first fuel...

01/09/14 - 20140007843 - Fuel injection control device for internal combustion engine
The purpose of the present invention is to suppress, in an internal combustion engine in which two injectors are disposed in a line upstream and downstream in an intake pipe, adhesion of deposits to the downstream-side injector. In order to suppress such adhesion, a fuel injection control device according to...

01/02/14 - 20140000558 - Fuel injection control device for internal combustion engine
An object of the present invention is to obtain a merit by intake stroke injection in a wider operation range while efficiently exploiting a merit of compression stroke injection in an internal combustion engine having a cylinder fuel injection device. For this purpose, a fuel injection control device provided by...

01/02/14 - 20140000559 - Injection device, an internal combustion engine, and a method for operating an injection device for gasoline and cng
An injection device for an internal combustion engine having a first injection system for injecting fuel having a first fuel composition, and a second injection system for the injection of fuel having a second fuel composition that has a lower ethanol component than the first fuel composition, the first injection...

01/02/14 - 20140000560 - Fuel gas supply device for gas engine
There is provided a gas engine fuel gas supply device in which a fuel gas flows along the axial direction on the outer circumferential side of an inlet valve rod, and is supplied into the inlet path in a cylinder head. In the device, in the inner circumferential surface of...

01/02/14 - 20140000561 - Hydraulic seal with a dynamic clearance for a fuel injector
A hydraulically intensified fuel injection system comprises a hydraulic fluid accumulator, an adapter, and an injector connecting tube. The hydraulic fluid accumulator has a fluid outlet and is adapted to contain a volume of pressurized hydraulic fluid. The adapter is disposed partially within the fluid outlet of the hydraulic fluid...

12/26/13 - 20130340710 - Injection apparatus
An injection apparatus (6) includes a container (62), a liquid ammonia supply part (69) for supplying a predetermined amount of liquid ammonia into the container (62), a compression part (65) connected to the container (62) and for compressing a gas filled in a space for compression to introduce the compressed...

12/19/13 - 20130333666 - Internal combustion engine
In an internal combustion engine, in particular for a motor car, having a fuel supply for liquid fuel, in particular gasoline, and a fuel supply for gaseous fuel, in particular natural gas, at least one heat exchanger is provided between the two fuel supplies, by means of which a heat...

12/19/13 - 20130333667 - Fuel gas supply device for gas engine
There is provided a fuel gas supply device for a gas engine in which a fuel gas flows along the axial direction on the outer circumferential side of an inlet valve rod, and is supplied to an inlet path in a cylinder head. The device is characterized in that fuel...

12/12/13 - 20130327295 - Gas engine system with detection function of abnormality occurrence of gas pressure detection mechanism
A gas engine system has a control unit including: a first determination section for determining, as a first determination, whether the gas pressure is a low pressure less than a predetermined pressure, while the control device recognizes the gas valve is closed; a second determination section for determining, as a...

11/28/13 - 20130312705 - Method of producing fuel distribution pipe
A method of producing a fuel distribution pipe includes providing a forged bar made of metal, forming a main bore in the forged bar so as to extend along an axial direction of the forged bar, forming an injector bore having an injector opening in the forged bar, forming a...

11/21/13 - 20130306029 - Direct injection gas engine and method
An engine includes an engine having at least one cylinder and a cooling system that circulates coolant. A gaseous fuel system includes a heater and a gaseous fuel injector. Liquefied gaseous fuel is heated by extracting engine heat from the engine coolant and providing it to a stream of liquefied...

11/14/13 - 20130298871 - Throttle body fuel injection system with improved fuel distribution
A throttle body fuel injection system and method that is arranged to easily replace four-barrel carburetors includes a throttle body assembly with four main bores, each with a throttle plate and an associated fuel injector. Each injector feeds fuel into a circular fuel distribution ring via a fuel injection conduit,...

11/07/13 - 20130291835 - Control device for internal combustion engine
When a start-up failure occurs wherein an internal combustion engine equipped with a variable valve device does not transition to complete combustion before a first prescribed period α elapses from the start of cranking in conjunction with fuel injection, a control unit for the internal combustion engine executes a start-up...

10/31/13 - 20130284149 - Injection element
Embodiments of the invention relates to an injection element having an inner element with a first outlet opening and an outer element. The outer element includes at least one second outlet opening structured and arranged for receiving and injecting fuel in a combustion space, and arranged coaxially to the first...

10/24/13 - 20130276756 - Reducing intake manifold pressure during cranking
Embodiments for starting an engine are provided. In one embodiment, an engine control method comprises, during engine cranking, commencing fuel injection when intake manifold pressure drops below a threshold, the threshold based on fuel volatility. In this way, the stability of engine starts using low volatility fuels may be increased....

10/17/13 - 20130269656 - High-pressure pump
Disclosed is a high-pressure pump which can easily be installed in an internal-combustion engine. Specifically disclosed is a high-pressure pump 1 provided with a mounting member 100. The mounting member 100 is fixed to a pivot 70 so as to keep such an attitude of a rocker arm 60 that...

10/10/13 - 20130263824 - Abnormality detection device for internal combustion engine
An object of the present invention is to provide an abnormality detection device that is used for an internal combustion engine whose operation is controlled in accordance with the properties of employed fuel, and capable of accurately detecting an abnormality in a fuel property sensor used to determine the fuel...

10/03/13 - 20130255630 - Control apparatus for internal combustion engine
A control apparatus for an internal combustion engine that can suppress the emission of unburned HC accompanying start-up of an internal combustion engine. The control apparatus including a fuel supply control unit that initially supplies fuel to only some cylinders, and delays the start of fuel supply to delayed cylinders...

10/03/13 - 20130255631 - Operation of an internal combustion engine
A method for an engine may comprise during a first condition comprising decreased scavenging, adjusting fuel injection based on a more-upstream air-fuel ratio, and during a second condition comprising increased scavenging, adjusting fuel injection based on one or more more-downstream air-fuel ratios and not based on the more-upstream air-fuel ratio....

10/03/13 - 20130255632 - Engine fuel injection device
A fuel injection device injects fuel per each cylinder in an engine having a plurality of cylinders #1 and #2. At a time of engine actuation, start timings of fuel injections are shifted per each cylinder and times within one rotation of a crankshaft is set as the injection start...

10/03/13 - 20130255633 - Internal combustion engine having compression-induced auto-ignition and method for igniting fuel in such an internal combustion engine
An internal combustion engine with compression-induced auto-ignition is disclosed. A reciprocating-piston engine includes at least one cylinder (1) in which a piston (2) is connected via a connecting rod to a crankshaft and movable in a reciprocating fashion in the cylinder. A cylinder head (3) is positioned over and encloses...

10/03/13 - 20130255634 - Barrier system for removing water and solid contaminents from fuel
A barrier system is disclosed which is fitted to the filler opening (12) of a fuel tank (10). The system comprises an outer sleeve (34) in the form of a coil spring (36) and lining (38) which is of a material that permits fuel to flow through it but which...

10/03/13 - 20130255635 - Method for dimensioning a filter group for internal combustion engines and a relative filter group
A method is provided for dimensioning a filter group for internal combustion engines, provided with a first filter wall and a second filter wall, located downstream of the first filter wall with reference to a direction of a fuel, configured such as to be crossed in series by the fuel....

09/26/13 - 20130247872 - Fuel supply structure of saddle-ride type vehicle
A fuel supply structure of a saddle-ride type vehicle wherein a wrong operation of a hose locking member is more securely prevented during maintenance of the vehicle to enhance the maintainability without increasing the number of parts. Fuel supplied from a fuel tank to a throttle body is supplied via...

09/26/13 - 20130247873 - Fuel distribution in multi-fuel tank compressed gas fuel systems
A method for distributing fuel in a fuel system of a motor vehicle. The method may be applied in a fuel system having a first fuel tank, where fuel is confined at a first pressure, and a second fuel tank, where fuel is confined at a second pressure greater than...

08/22/13 - 20130213356 - Engine working machine
There is provided an engine working machine operated by an engine including a fuel tank, a carburetor and a crankcase, wherein the engine working machine is provided with a fuel supply path configured to supply an additional fuel in an interior of a crank chamber at a time of starting...

08/22/13 - 20130213357 - Fuel injection system with pressure-controlled bleed function
A fuel injection system with a high-pressure fuel injection pomp is provided for pressurizing fuel and delivering it for injection into an internal combustion engine. The system and the high-pressure fuel injection pump have an inlet, a return port, at least one plunger, a suction, channel positioned between the inlet...

08/22/13 - 20130213358 - Fuel injector capable of dual fuel injection
A variable orifice fuel injector has both an inward opening needle valve and an outward opening needle valve and has means to inject dual fuels in different hollow conical spray patterns and conventional multiple jet spray patterns selectively and independently....

08/08/13 - 20130199498 - Self-igniting internal combustion engine having piston recesses having swirl steps
A self-igniting internal combustion engine includes at least one cylinder and a piston, which can be moved back and forth in the cylinder and which bounds a combustion chamber together with the cylinder and which has a piston recess facing the combustion chamber, said piston recess having flow cross-sections that...

08/01/13 - 20130192562 - Fuel injection control device and fuel injection method for internal combustion engine
A fuel injection control device is provided for an internal combustion engine which includes a fuel injection valve including: a housing which includes a fuel passage, a sac portion, an injection hole, and a valve seat portion; a needle valve which reciprocates in the housing and comes into contact with...

07/25/13 - 20130186370 - Fuel supply device for internal combustion engine
A fuel supply device for an internal combustion engine including a throttle valve and an airbox is provided with a main injector disposed at a downstream side of the throttle valve, an auxiliary injector disposed at an upstream side of the throttle valve and in the airbox, and a delivery...