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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.

Related Categories:

Internal-combustion Engines


Charge Forming Device (e.g., Pollution Control) > Fuel Injection System



Method of organizing the working procedure in a spark ignition gas piston engine
12/11/14 - 20140360468 - A piston engine intakes, at the compression stage, lean gas-air mixture from a cylinder to the ignition chamber. The residual gases are at 500° C. to 700° C., and are composed of: carbon dioxide 6.7% to 5.6%, oxygen 6.6% to 8.8%, water vapor 12.8% to 19.8% with the air excess...

Fuel injection valve and device for injecting fuel
12/11/14 - 20140360469 - The fuel injection valve (1) for the intermittent injection of fuel into the combustion chamber of an internal combustion engine has a valve housing (12) that defines a longitudinal axis (14) and is provided with a high-pressure chamber (16). The connecting part (20) of the valve housing (12) has two...

Flow limiting system
12/04/14 - 20140352664 - The present disclosure is related to a flow limiting system for a dual fuel engine is disclosed. The flow limiting system includes a first valve configured to regulate a flow of a liquid fuel therethrough based on a pressure difference across the first valve. The flow limiting system further includes...

Fuel injection system and preheating device
11/27/14 - 20140345567 - A fuel injection system for an internal combustion engine may include at least one distributor unit to supply liquid fluid and a plurality of preheating systems each connected to the distributor unit. The respective preheating systems may have a preheating chamber and at least one heating element. A plurality of...

Engine intake apparatus and method
11/27/14 - 20140345568 - Intake apparatus for an engine comprising: injection means for injecting fuel into a flow stream of intake gas through the apparatus; and heating means for heating intake gas passing through the apparatus, the apparatus being operable to inject fuel into the flow stream of intake gas by means of the...

Device for injecting fuel into the combustion chamber of an internal combustion engine
11/27/14 - 20140345569 - A device for injecting fuel into the combustion chamber of an internal combustion engine comprising at least one injector. The injector includes an injector body, a high-pressure accumulator integrated into the injector body, an injection nozzle, a high-pressure bore, and a feed bore. The injection nozzle defines a nozzle chamber...

Common rail system having mechanical unit pumps
11/20/14 - 20140338637 - A fuel system for an engine is disclosed. The engine may have a crankshaft and a plurality of cylinders. The fuel system may have a plurality of plungers separately connectable to the crankshaft and a plurality of fuel injectors associated with the plurality of cylinders. The fuel system may also...

Propulsion device and method for operating same using a partially oxidized diesel fuel
11/20/14 - 20140338638 - A propulsion device for vehicles includes a device for the partial oxidation of fuel, a fuel tank and a diesel internal combustion engine. The device for the partial oxidation of fuel is in fluid connection with the fuel tank and the diesel internal combustion engine, with the result that at...

Method of controlling injection rate shape of gaseous fuel in dual fuel injector
11/20/14 - 20140338639 - A method of controlling injection rate shape of gaseous fuel in a dual fuel injector of an engine is disclosed. The dual fuel injector comprises a gaseous fuel needle check, a gaseous fuel control chamber, and a spring chamber. The method includes determination of an injection rate shape based on...

Method and apparatus for increasing diesel engine efficiency
11/06/14 - 20140326216 - A diesel engine enhancement assembly, including a microprocessor connected to the ECM, a control interface, a pump assembly connected to the microprocessor, an injector connected in fluidic communication the pump assembly and to an engine and the microprocessor, and a tank assembly connected to the pump assembly. The microprocessor initiates...

Vehicle fuel tank arrangement and method for managing the supply of fuel to a vehicle
10/30/14 - 20140318497 - A vehicle fuel tank arrangement is provided for a fuel that includes at least a first fluid and a second fluid. The tank arrangement includes a tank and a partition wall arranged inside the tank in order to create at least a first compartment for storing the first fluid and...

Dual fuel system and engine system operating method
10/23/14 - 20140311451 - A dual fuel system for an internal combustion engine includes a gaseous fuel subsystem and a liquid fuel subsystem. A plurality of fuel injectors each define a gaseous fuel passage fluidly connected to a gaseous fuel manifold of the gaseous fuel subsystem, a liquid fuel passage fluidly connected to a...

Fuel injection system having a fuel-carrying component, a fuel injector and a connecting element
10/23/14 - 20140311452 - A connecting element for fuel injection systems is used for connecting a fuel injector to a fuel-carrying component, in particular a fuel distributor rail. A base body having a receiving space is provided for this purpose. The base body has an opening, via which a fuel fitting of the fuel...

Systems, methods, and apparatuses related to the use of gas clathrates
10/16/14 - 20140305407 - This disclosure relates generally to the use of gas clathrates. More particularly, this disclosure relates to systems, methods, and apparatuses related to the use of gas clathrates as a fuel source for automobiles. The gas clathrates may first be dissociated into at least one gas and the at least one...

Cylinder head with fuel guiding portion
10/16/14 - 20140305408 - A cylinder head for an internal combustion engine is configured to be operated with fuel, such as gaseous or liquid fuel, to provide a more complete combustion of the fuel/air mixture. The cylinder head has at least one fuel guiding section, which includes a fuel inlet valve casing for accommodating...

Method for controlling natural gas injection in engine
10/09/14 - 20140299100 - A method for controlling natural gas injection in a cylinder of an engine through a gas admission valve is provided. The method comprises determination of an amount of substitution, which varies between 30%-85% of a combustible mixture. Duration of injection is determined based on the amount of substitution. Based on...

Method and apparatus for supplying a gaseous fuel to an internal combustion engine
10/09/14 - 20140299101 - An apparatus and method for supplying gaseous fuel from a tender car to an internal combustion engine on a locomotive comprising storing the gaseous fuel at a cryogenic temperature in a cryogenic storage tank on the tender car; pumping the gaseous fuel to a first pressure from the cryogenic storage...

Fuel delivery system
10/09/14 - 20140299102 - A fuel delivery system for a direct injection internal combustion engine having two fuel rails and a plurality of fuel injectors attached to and fluidly connected with each fuel rail. A first fuel pump has its output connected with the first fuel rail while a second fuel pump has its...

System to lower fuel viscosity prior to fuel combustion
09/25/14 - 20140283787 - A system to lower fuel viscosity prior to fuel combustion includes at least one fuel heating system and a pressure pump system. The pressure pump system and the at least one fuel heating system are in fluid communication with the a fuel injection system to accommodate for the fuel circulation,...

Fuel system with leakage detection means
09/25/14 - 20140283788 - A method is provided for detecting a leakage in a fuel supply system of an internal combustion engine. The fuel supply system includes a fuel line system with fuel line sections and a pressure monitoring system with monitoring segments, a set of valves, and a pressure sensor. The method includes...

Fuel system having rotary distributor
09/18/14 - 20140261321 - A fuel system is disclosed for use with an engine having a plurality of cylinders. The fuel system may have a fuel supply, and a fuel distributor configured to selectively connect the fuel supply with the plurality of cylinders. The fuel system may also have a fuel valve fluidly connected...

Multi-fuel flow systems and methods with dedicated exhaust gas recirculation
09/18/14 - 20140261322 - Systems and methods for fuelling a plurality of cylinders of an internal combustion engine are disclosed. The system includes a dedicated exhaust gas recirculation system for recirculating exhaust gas flow from at least one dedicated cylinder of an engine into an intake system prior to combustion. The system further includes...

Injector-igniter with thermochemical regeneration
09/18/14 - 20140261323 - A fuel injection system comprising an injector-igniter and a fuel tank in fluid communication with the injector-igniter. The injector igniter includes an injector housing and a valve assembly. The valve assembly includes a valve and a valve seat electrode located within the injector housing. The valve seat electrode forms an...

Systems and methods for controlling compression in an engine, compressor, or pump
09/18/14 - 20140261324 - A housing for an engine is provided. The housing includes an intake manifold configured to supply air to at least one chamber defined within the housing, a fuel port configured to supply fuel to the at least one chamber, and a compression control port configured to control at least one...

Split-cycle engines with direct injection
09/18/14 - 20140261325 - In some embodiments, split-cycle engines are disclosed that are capable of operating in a normal firing mode in which a firing stroke is performed in the expansion cylinder only on every other rotation of the crankshaft. Fuel can be injected directly into the expansion cylinder during the non-firing rotation of...

Injection device, internal combustion engine, and method for operating an internal combustion engine
09/18/14 - 20140261326 - An injection device for an internal combustion engine is described, which has a first fuel injector for injecting fuel having a first fuel composition based on ethanol, and a separate second fuel injector for injecting fuel having a second fuel composition, which differs from the first fuel composition, the injection...

Method and device for injecting fuel into a combustion chamber
09/11/14 - 20140251274 - When fuel is injected into a combustion chamber (2) of a cylinder (13) of an engine (30) of a vehicle (10), the fuel is injected in the form of multiple jets (3) with the aid of an injector (1). In this connection, a first plane is defined in which both...

Fuel injection system and method for a combustion engine
08/28/14 - 20140238350 - Apparatus and methods for injecting gaseous fuel into a compression ignition engine are disclosed. A gaseous fuel injector includes a pintle valve and an intensifier. The pintle valve includes a pintle body defining a pintle bore therethrough, a first sealing surface disposed on a distal end of the pintle body,...

Electrodes for multi-point ignition using single or multiple transient plasma discharges
08/21/14 - 20140230790 - A device for providing ignition of a fuel-air mixture using a transient plasma discharge is provided. The device includes an anode coupled to receive a voltage; and a cathode disposed in proximity to the anode and coupled to a ground, wherein at least one of the anode and the cathode...

Device for the injection of recirculated exhaust gases, distribution box and supply module comprising said device
08/14/14 - 20140224213 - The invention relates to a device for the injection of recirculated exhaust gases from a vehicle engine, in particular a diesel engine, the injection device comprising a plurality of injection ports (26.1, 26.2, 26.3, 26.4), provided in a portion of the material of the injection device, each injection port (26.1,...

Injection valve for internal combustion engines
08/14/14 - 20140224214 - An injection valve is indicated for internal combustion engines, having a sealing seat formed by a valve seat and a closing head of a valve needle, and having a plurality of spray holes situated downstream from the sealing seat. The spray holes, which are stepped in cross-section, each have at...

Gas fuel system
08/07/14 - 20140216403 - A gas fuel system for an engine is disclosed. The gas fuel system includes a fuel tank configured to supply cryogenic fuel. A cryogenic pump is configured to pressurize the cryogenic fuel received from the fuel tank. A heat exchanger is configured to receive the pressurized cryogenic fuel and an...

Vehicle fuel delivery system
08/07/14 - 20140216404 - A vehicle fuel delivery system, includes: a first line configured to deliver fuel from a fuel tank to an internal combustion engine (ICE); a second line configured to return fuel from the ICE to the tank or the first line; a heat exchanger in thermal communication with the second line;...

Fuel injection nozzle
08/07/14 - 20140216405 - A fuel injection nozzle includes: a nozzle body having a plurality of injection holes; and a needle accommodated in the nozzle body to inject a DME fuel containing dimethyl ether as a main component. The nozzle body has a seat part to which the needle seated or from which the...

Combustion method for piston combustion engines
08/07/14 - 20140216406 - A combustion method for reciprocating internal combustion engines, in particular diesel engines, whose fuel injection system operates with pre-injection involves two pre-injections during a cold start phase, which are carried out prior to reaching top dead center of a piston. A first pre-injection is performed at approximately 25° CA before...

Valve assembly for fuel system and method
07/31/14 - 20140209063 - A valve assembly in an internal combustion engine fuel system includes a valve member movable within a valve body to contact a valve seat and block fluid communication between first and second passages. The valve seat and valve member each include a multi-layered coating having a harder metal nitride base...

Control device for internal combustion engine
07/31/14 - 20140209064 - The required fuel supply amount of an internal combustion engine is reduced by limiting the throttle opening when a high-pressure fuel pump is required to discharge fuel that exceeds the fuel delivery capacity thereof. Further, when the throttle opening is limited, the operation of a return valve, through which fuel...

Compressed natural gas fuel mass control system
07/24/14 - 20140202429 - A system, related method and computer program product are disclosed for controlling fuel mass of CNG received by an engine. The system may comprise a heat exchanger configured to receive CLNG and supply coolant and to output CNG and return coolant, an injector configured to inject CNG into the engine,...

Dual fuel system for an internal combustion engine
07/24/14 - 20140202430 - A dual fuel system for a vehicle utilizing gasoline and propane fuel sources. The dual fuel system includes a micro-controlled switch box that switches back and forth between fuels. A fuel injector rail and fuel injectors are also included that can function to inject either gasoline or propane. A display...

Fuel injector for internal combustion engines
07/10/14 - 20140190451 - 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...

Quill with integrated flow limiter
07/03/14 - 20140182550 - 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...

Fluid injection valve and spray generator
06/12/14 - 20140158090 - 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...

Method and apparatus for providing adaptive swirl injection and ignition
05/22/14 - 20140137840 - 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...

Multi-fuel delivery system
05/15/14 - 20140130776 - 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...

Detection method of airtight failure in working-gas circulating type gas engine, and working-gas circulating type gas engine using the method
05/15/14 - 20140130777 - [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...

Hybrid carburetor and fuel injection assembly for an internal combustion engine
05/08/14 - 20140123944 - 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...

Fuel distributor
05/08/14 - 20140123945 - 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...

Injector for injecting fluid
05/08/14 - 20140123946 - 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...

Fuel system having multiple gaseous fuel injectors
05/01/14 - 20140116386 - 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...

Fuel supply device for engine
04/10/14 - 20140096745 - 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...

Control apparatus and method for an internal combustion engine
03/13/14 - 20140069384 - 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...

In-cylinder pressure detecting device of direct injection type internal combustion engine
02/20/14 - 20140048041 - 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...

Injector-igniters with variable gap electrode
02/13/14 - 20140041631 - 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...

Injection device for two fuels containing ethanol, an internal combustion engine, and a method for operating an injection device
02/06/14 - 20140034015 - 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...

Split-cycle, reactivity controlled compression ignition engine and method
01/30/14 - 20140026855 - 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...

Method for optimizing combustion engines
01/30/14 - 20140026856 - 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...

Fuel injector
01/16/14 - 20140014067 - 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...

Control apparatus for internal combustion engine
01/09/14 - 20140007841 - 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...

Fuel supply apparatus
01/09/14 - 20140007842 - 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...

Fuel injection control device for internal combustion engine
01/09/14 - 20140007843 - 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...

Fuel injection control device for internal combustion engine
01/02/14 - 20140000558 - 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...

Injection device, an internal combustion engine, and a method for operating an injection device for gasoline and cng
01/02/14 - 20140000559 - 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...

Fuel gas supply device for gas engine
01/02/14 - 20140000560 - 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...

Hydraulic seal with a dynamic clearance for a fuel injector
01/02/14 - 20140000561 - 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...

Injection apparatus
12/26/13 - 20130340710 - 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...

Internal combustion engine
12/19/13 - 20130333666 - 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...

Fuel gas supply device for gas engine
12/19/13 - 20130333667 - 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...

Gas engine system with detection function of abnormality occurrence of gas pressure detection mechanism
12/12/13 - 20130327295 - 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...

Method of producing fuel distribution pipe
11/28/13 - 20130312705 - 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...

Direct injection gas engine and method
11/21/13 - 20130306029 - 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...

Throttle body fuel injection system with improved fuel distribution
11/14/13 - 20130298871 - 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,...