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Class 123/531 - Auxiliary air or gas used to inject fuel


Subclass of Class 123 - Internal-combustion engines
Definition: Subject matter in which means is provided that uses a small
No. of patents: 279
Last issue date: 01/13/2009


1              
NumberTitleIssue Date
7475679Fuel supply system for an internal combustion engine
In a fuel supply system for a spark-ignition internal combustion engine having a blow-in valve for each cylinder for blowing an easily ignitable mixture of a liquid fuel and a combustion gas via a blow-in nozzle into a combustion chamber of the internal combustion e...
01/13/2009
7469688System for improving the fuel efficiency of an engine
A fuel system for improved fuel efficiency may include a fuel injector to transmit fuel in droplet form to a reaction region. A reaction rod may be positioned in the reaction region, where the reaction rod may have a convex end and a concave end. The fuel system may...
12/30/2008
7370643Internal combustion engine having compressed air supply passages therein for routing compressed air to charge injectors
A V-type internal combustion engine includes cylinder heads having respective compressed-air supply channels extending therein for providing fluid communication between an air compressor and charge injectors. Formation of condensation in the compressed-air supply ch...
05/13/2008
7370520Method of testing a fuel injection valve for a diesel engine
Method of testing a fuel injection valve 1 for a diesel engine by supplying pressurized oil to the inlet side of the valve. According to the invention the oil pressure is gradually recorded, the pressure increase being interrupted at the moment when the openi...
05/13/2008
7347182Injector double row cluster configuration for reduced soot emissions
A direct injection fuel injector system includes a fuel injector defining nozzle holes in an optimized cluster configuration. Each hole of a conventional multi-hole nozzle is replaced by two smaller, closely spaced holes in a two-hole-per-cluster configuration. The ...
03/25/2008
7337986Fuel injection valve
In a fuel injection valve for slanted fuel injection, provided between a conical flow path and an injection port is an intermediate flow path having a cylindrical surface coaxial to the conical flow path, so that the injection port has a portion of the cylindrical s...
03/04/2008
7331331Fuel injection valve installation structure of engine
To effectively reduce operational noise generated by vibration of the fuel injection valve with a fuel injection valve installation structure of an engine. In the structure, an installation hole is formed in an engine component member that constitutes a part of an e...
02/19/2008
7314027Variable valve unit for internal combustion engine
A variable valve unit for an internal combustion engine includes a first arm opening and closing a valve, a second arm driven by a cam, a third arm receiving a displacement of the second arm to drive the first arm, and a variable mechanism displacing the fulcrum of ...
01/01/2008
7287744Fuel conditioning apparatus
A fuel conditioning system (10) comprises a housing (12) defining a chamber (14) and provided with an inlet (16) upstream of the chamber (14) and an outlet (18) downstream of the chamber (14). A hemispherical seat (
10/30/2007
7267114Wildland fire vehicle escape system
A wildland fire truck engine emergency combustion oxygen supply apparatus for the prevention of stalling of the engine in an oxygen depleted environment. The apparatus has a storage tank mounted on the vehicle for the storage of oxygen, nitrous oxide, or air, a feed...
09/11/2007
7261094Injection unit for an internal combustion engine
The invention relates to a process for the injection of fuel into an internal combustion engine, wherein the fuel is firstly enriched in a gas enrichment device (20) with a gas or a gas mixture, in particular oxygen or air. The fuel is atomized and the gas or...
08/28/2007
7252076Internal combustion engine with air-fuel mixture injection
A structure for supplying assist air to an air-fuel mixture injection valve including a device for limiting the intake air taken by a compressor, whereby a drive force of the compressor required for compressing air is reduced, and fuel efficiency is achieved. The st...
08/07/2007
7228851Canister having absorbent and internal purge pump
A canister includes a casing that has a tank port connected to a fuel tank, an atmospheric port connected to an atmospheric passage communicating with atmosphere, and a purge port connected to an intake passage of an engine. An adsorbent is charged in the casing for...
06/12/2007
7222596Valve drive for charge-cycling valves of internal combustion engines
A valve drive for charge-cycling valves of internal combustion engines, which are held in the closed position by means of spring force, and can optionally be activated by a main cam or additionally by a secondary cam of a camshaft, in which connection the main cam w...
05/29/2007
7204219Valve operating mechanism with roller rocker arm, 4-cycle engine, and motorcycle having 4-cycle engine mounted thereon
A valve gear includes a camshaft having valve gear cams, first and second rocker shafts, a first rocker arm supported on the first rocker shaft, and a second rocker arm supported on the second rocker shaft: The valve gear cams, respectively, include a cam nose proje...
04/17/2007
7202441Method for producing a hole in a body, specifically an injection hole in a fuel injector
A method for producing a hole in a body, especially an injection hole in a fuel injector is disclosed. The hole (L) is first produced by a percussion boring process or a trepanation boring process using a laser. The percussion boring process lasts less than 3 second...
04/10/2007
7195000Fuel injector designed to optimize pattern of fuel spray
A fuel injector for an internal combustion engine which has a spray hole designed geometrically to produce a spray of fuel so that substantially 70% or more of an amount of the spray hits a preselected area of a head of an intake valve of the engine when the intake ...
03/27/2007
7191961Injection hole plate and fuel injection apparatus having the same
In an injection hole plate of a fuel injection apparatus, a second-side hole section of each injection hole extends from a downstream end of a base wall of the injection hole plate and is communicated with first-side hole sections, which extends from an upstream end...
03/20/2007
7171958Nitrous oxide injection system
A method for increasing the power output of an internal combustion engine is presented. The increase to the power output of the engine may be accomplished by injecting a pressurized oxygen enhancer, such as nitrous oxide, into the air intake of the internal combusti...
02/06/2007
7165528Two-valve high squish flow I.C. engine
An improved ignition-engine system for internal combustion engines comprising a compact combustion chamber in the cylinder head and two main squish zones (101a, 101b) for producing high flow and turbulence, and at least one minor squish z...
01/23/2007
7146961Engine air inlet flow enhancement device for internal combustion engines
An airflow treatment and regulation device for internal combustion engines that stabilizes inlet airflow characteristics before induction into a fuel metering and mixing device. The air stabilization device provides a non-restrictive honeycomb treatment element thro...
12/12/2006
7147173Nitrous fuel nozzle and method of use
A nozzle for mixing and delivering two or more components and method of use thereof. One variation provides a nozzle that injects a first component, such as fuel, into a flow plume for a second component, such as nitrous oxide, for use with combustion engines. The n...
12/12/2006
7140347Swirl forming device in combustion engine
To provide an improved swirl forming device in a combustion engine, which is effective to promote a vigorous and massive swirling motion of the charge mixture within the combustion chamber, the swirl forming device includes an auxiliary passage (24) for intro...
11/28/2006
7121253Cylinder injection type internal combustion engine, control method for internal combustion engine, and fuel injection valve
There is provided a cylinder injection type internal combustion engine capable of performing stratified charge operation at the time of a vehicle speed of 120 km/h and/or an engine rotational speed of 3200 rpm to enhance the fuel efficiency and/or to observe the emi...
10/17/2006
7118605Fuel conditioning process
The present invention relates to a fuel conditioning process for internal combustion engines of motor vehicles. According to the present invention, on board a motor vehicle at a temperature of from 20° C. to 150° C. and at atmospheric pressure, nitrous gases essen...
10/10/2006
7108203Internal mix air atomizing nozzle assembly
An internal mix spray nozzle assembly adapted for operation with lesser pressurized air requirements. The spray nozzle assembly includes a liquid passage for directing a liquid flow stream against an impingement pin, and an air guide is provided for forming an annul...
09/19/2006
7100552Control system and method for variable valve actuation system
A method of controlling a variable valve actuation system is provided. A cam assembly is operated to move an intake valve between a first position where the intake valve blocks a flow of fluid and a second position where the intake valve allows a flow of fluid. At l...
09/05/2006
7100588Device for heightening engine efficiency
A device for heightening engine efficiency is provided with a heat-insulating seat of engine having a plurality of air inlets communicable with oil-gas inlets. The air inlets are provided with a valve, and the heat-insulating seat is provided with a cam mechanism, w...
09/05/2006
7096849Charge motion control plate kit
The present invention provides a charge motion plate kit for internal combustion engines. More specifically, the charge motion plate kit permits replacement of the OEM charge motion valves of the prior art for high performance applications. In one embodiment, the ch...
08/29/2006
7089916Internal combustion engine and fuel injection control device therefor
In the fuel cylinder injection engine with the supercharging machine, the ignitability deteriorates because the density of the fuel at the spray center becomes excessive due to the shrinkage of the fuel spray under the supercharging. As a result, the density of the ...
08/15/2006
7077082System and method for monitoring engine valve actuation
An engine valve actuation system is provided. An intake valve is moveable between a first position where the intake valve prevents a flow of fluid relative to the intake valve and a second position where the intake valve allows a flow of fluid relative to the intake...
07/18/2006
7069908Fuel injector for in-cylinder injection
An injector for directly injecting fuel into a cylinder of an internal combustion engine having a socket. The injector is provided with a nozzle insertable into the socket. An annular gap is defined between the nozzle and the socket when the nozzle is received in th...
07/04/2006
7069901Control apparatus for internal combustion engine and control method for internal combustion engine combustion method for internal combustion engine and direct injection engine
A gasoline engine is provided which is capable of introducing a large amount of EGR gas for performing homogeneous combustion and thus offering a good fuel economy. An external EGR mechanism or an internal EGR mechanism is used to introduce an EGR gas into a combust...
07/04/2006
7063077Electromagnetic valve-actuated control module for controlling fluid in injection systems
The invention relates to a control module for fluid control in injection systems, having a valve body (2) in which valve needles (6, 24) of control valves (5, 17) are received. With these control valves (5, 17), the pressure buildup or pr...
06/20/2006
7055495Compression ignition internal combustion engine
A compression ignition internal combustion engine includes a combustion chamber, an intake valve 19a, intake port 6, and an exhaust valve 19b. The temperature and pressure in the combustion chamber are increased to self-ignite an a...
06/06/2006
7051687Valve operation controller
A valve operation controller for an internal combustion engine is provided for optimally setting a valve opening timing and a valve closing timing for an intake valve in accordance with an operating state of the internal combustion engine to improve the fuel efficie...
05/30/2006
7032574Multi-stage intensifiers adapted for pressurized fluid injectors
Multi-stage intensifiers for injectors of pressurized fluid (e.g., fuel) allowing selection of intensified injection fluid pressure and thus fluid injection flow rate by selectively applying actuating fluid supply pressure to one or more of the multi-stage intensifi...
04/25/2006
7031792Processing apparatus and information storage apparatus and method
A processing apparatus comprises a process apparatus body equipped with a plurality of process sections for applying a predetermined processing to a target object and a transfer device for transferring the target object among the process sections, a first control se...
04/18/2006
7013863Cylinder injection type internal combustion engine, control method for internal combustion engine, and fuel injection valve
There is provided a cylinder injection type internal combustion engine capable of performing stratified charge operation at the time of a vehicle speed of 120 km/h and/or an engine rotational speed of 3200 rpm to enhance the fuel efficiency and/or to observe the emi...
03/21/2006
7004116Four stroke auto-ignition engine
The present invention relates to a method of operating a four-stroke internal combustion engine comprising the steps of: closing an exhaust valve prior to the end of the exhaust stroke to trap combusted gases in a combustion chamber; opening an inlet valve during th...
02/28/2006
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