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7506630 Internal combustion engine  
The invention relates to an invention combustion engine comprising a cylinder head ( 1 ) with at least one inlet port ( 4 ) and at least one injection device ( 6 ) per cylinder ( 2 ), which extends...
7500464 Fuel processor apparatus and method for a diesel engine  
The present invention provides a diesel engine and methods and apparatus for premixing diesel fuel and oxidant for combustion. The methods and apparatus may include a two stage vortex, each stage...
7493886 Combustion control via homogeneous combustion radical ignition (HCRI) or partial HCRI in cyclic IC engines  
A process is provided for enhancing homogeneous combustion and improving ignition in rotary and reciprocating piston IC engines. Physical embodiments supporting this process have secondary chambers...
7389752 Use of engine lubricant as ignition fuel for micro-pilot ignition system of an internal combustion engine  
A method and system for providing pilot fuel for a pilot ignition system of an internal combustion engine having one or more cylinders and having a lubrication system. A portion of the lubricating...
7370626 High compression spark-ignition engine with throttle control, externally supplied ignition, and direct fuel injection into a precombustion chamber  
The invention relates to a spark-ignition engine with a highly structural compression ratio greater than 15:1, throttle regulation, externally supplied ignition and with direct fuel injection into...
7270107 Bolted pre-combustion chamber  
A pre-combustion chamber for an engine is made more simply removable from the cylinder head by integrating the chamber design and not threading the assembly to the head. The assembly is provided as...
7263967 Internal combustion engine with auxiliary combustion chamber  
An internal combustion engine includes a main combustion chamber, an auxiliary combustion chamber, a fuel reforming unit, and a control unit. The auxiliary combustion chamber is configured and...
7069901 Control 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...
7025037 Internal-combustion engine with precombustion chamber and controlled ignition  
The disclosure concerns an internal combustion engine with controlled ignition having at least a combustion chamber ( 4 ), means ( 8, 18 ) for injection of fuel or an air-fuel mixture into the...
7021275 Igniter for internal combustion engines operating over a wide range of air fuel ratios  
An igniter for ignition over a wide air/fuel ratio range. Igniter includes an igniter body including an internal cavity disposed substantially within the igniter body, an internal spark gap...
6990946 Starting system for pilot-ignition gas engine  
The object of the present invention is to enable the reliable compression ignition from starting of a pilot oil ignition gas engine in whose cylinder head there is provided a precombustion chamber...
6957639 Inclined engine  
In an inclined engine where a cylinder ( 2 ) projects from a crank case ( 1 ) obliquely and upwardly, when seen in a direction parallel to a center axis ( 3 ) of a crank shaft ( 10 ), under a...
6910459 HCCI engine with combustion-tailoring chamber  
An internal combustion engine is adapted for operation with homogeneous combustion and compression ignition. The engine includes plural cylinders with the piston in each cylinder defining the main...
6814032 Dual fuel engine  
The present invention aims to allow an arbitrary selection to be made between gas operation and diesel operation, to achieve a reduction in NOx even when in diesel operation, to allow the...
6725824 Internal combustion engine  
An internal combustion engine includes a compression chamber that is delimited by fixed housing walls and a movable piston mounted therein, and a porous component that fills the combustion chamber,...
6668788 Homogenous charge compression ignition engine having a cylinder including a high compression space  
The present invention relates generally to the field of homogeneous charge compression engines. In these engines, fuel is injected upstream or directly into the cylinder when the power piston is...
6662763 De′ sax′ e two cycle engine, constant pressure adiabatic compound “C.P.A.C.”  
A reversible heat, constant pressure 2-cycle engine that takes ambient air and heats it up before mixing it with fuel, so that even a very lean mixture of air and fuel is highly combustible, to...
6571764 Direct injection internal combustion engine  
In a direct injection internal combustion engine having per cylinder at least two intake valves 1 mounted side by side, at least one exhaust valve 2 , a more or less coaxial ignition device 3 ,...
6557519 Reciprocating machine with two sub-chambers  
A reciprocating machine includes a housing ( 12 ) and piston means ( 20 ) that are cyclically relatively displaceable along an axis ( 11 ) to define a variable volume working chamber ( 50 ). There...
6463894 Portable internal combustion-engined tool and method of forming a gas mixture in the tool combustion chamber  
An internal combustion-engined tool including a piston and a combustion chamber ( 1 ) for generating power for driving the piston and having a bottom ( 3 ) adapted to receive the piston plate ( 9...
6325039 Combined engine and method for operating the same  
The present invention relates to a combined engine which receives a drive output by means of supplying and combusting at least one fuel selected from among a gas fuel and a liquid fuel. The engine...
6209511 Lean combustion gas engine  
The present invention relates to a lean combustion gas engine which receives a drive output by means of supplying and combusting gas fuel in a main combustion chamber. The lean combustion engine of...
6209512 Small-dimension two or four stroke vehicle engine with stratified feed  
A two or four stroke valve engine including at least one cylinder (3) within which a piston (4) moves and which receives an air-fuel mixture via at least one induction or intake duct (16). For the...
6161516 Process for the formation of a fuel mixture and for its ignition in a pre-chamber that is open toward the cylinders  
Process for ensuring the mixing of a predetermined quantity of liquid or gaseous fuel with the air that is contained in a pre-chamber with one end that is open toward cylinders of an alternative...
6098588 Injection device and combustion process for an internal combustion engine  
An injection device for an internal combustion engine, especially a diesel engine, with a combustion chamber (16) for each defined by piston (2), cylinder and cylinder head (1), a multi-hole...
6095112 Reciprocating piston engine  
A reciprocating piston engine which is selectively operable in either a gas operation mode with a gaseous fuel or a diesel operation mode with a liquid fuel includes a main combustion chamber which...
5970944 Combustion chamber structure in engines  
To minimize an increase in friction during the compression stroke, a part of the force to compress the air in the main combustion chamber is stored as a spring force to prevent an excess rise of...
5887566 Gas engine with electronically controlled ignition oil injection  
A gas engine with electronically controlled and/or regulated injection of relatively small quantities of injection oil in such a way as to improve the metering accuracy of the injection oil...
5829407 Internal combustion engines  
Disclosed is an internal combustion engine (20) having a combustion chamber (36), a pre-combustion chamber (38) communicating with the combustion chamber (36), injection means (70) located and...
5794584 Stratified combustion chamber for a cross-scavenged, two stroke, internal combustion engine  
Disclosed herein is an internal combustion engine comprising a cylinder block, a cylinder, an exhaust port, an inlet port, and a cylinder head fixed to the cylinder block including a recess, a...
5746171 Direct fuel injection stratified charge engine  
A Stratified Charge Engine where the main combustion chamber is made into one part of the cylinder head is described. The main combustion chamber in this engine is smaller than in Pre-Mixture...
5724937 Internal combustion engine with direct fuel injection  
In an internal combustion engine with direct fuel injection having a piston disposed in a cylinder and a cylinder head which together define a combustion chamber, wherein a fuel injector is mounted...
5664541 Diesel engine having auxiliary combustion chamber  
A diesel engine having an auxiliary combustion chamber which includes a cylindrical auxiliary combustion chamber, which is vertically formed in the center part of the cylinder head so as to be able...
5555868 Gas delivery system  
A gas delivery system for gas fuelled internal combustion engines, comprising a gas fuel delivery means for delivering a controlled amount of gaseous fuel to a region adjacent a source of ignition....
5293851 Combustion system for gas engine other than dual fuel engine  
A combustion system for gas, non-dual-fuel engines utilizes a torch cell having a glow plug and a fuel injector. Pilot fuel is directed to the surface of the glow plug and main fuel is supplied to...
5277159 Two stroke diesel engine  
A piston and cylinder arrangment for an internal combustion engine designed to run on diesel and similar fuels, comprises a cylinder defining a main combustion chamber, a piston reciprocatable...
5203298 Pre-combustion chamber for internal combustion engine  
A pre-combustion chamber for internal combustion engine according to the present invention includes a cylindrical base portion having threads providing means for threadable engagement with a...
5163385 Coal-water slurry fuel internal combustion engine and method for operating same  
An internal combustion engine fueled with a coal-water slurry is described. About 90 percent of the coal-water slurry charge utilized in the power cycle of the engine is directly injected into the...
5144924 Internal combustion engne, and method for achieving ignition of fuel in an internal combustion engine  
A reciprocating internal combustion engine operates by drawing at least substantially only air into the cylinder during the suction stroke and, at the final phase of the compression stroke,...
5090378 Dual nozzle single pump fuel injection system  
A fuel-injection system for a stratified charge hybrid internal combustion engine including a main combustion chamber and prechamber, fuel injectors in both the main chamber and the prechamber...
5085189 Air-assisted fuel injection applied in the two-stroke engine of flame-jet ignition type  
An air-assisted fuel injection applied in the two-stroke engine of flame-jet ignition type which a fuel pump and fuel pressure regulator valve establish stable fuel rail pressure. With respect to...
5081970 Heat-insulating engine with swirl chamber  
The heat-insulating engine with swirl chamber of this invention injects fuel at a low pressure along the inner wall surface of swirl chambers having a heat-insulating structure by subsidiary...
5080060 Prechamber combustion system with forced injection for two-stroke gasoline engine  
The present invention relates to a fuel injection system driven by compressor. The system is used in two-stroke gasoline engine, wherein high speed air flow is applied to assist in fuel atomization...
5070834 Diesel engine with a precombustion chamber  
A diesel engine comprising a plurality of cylinders each having a precombustion chamber and a fuel injector. A first camshaft for driving intake valves and a second camshaft for driving exhaust...
5060610 Combustion process for internal combustion engines using gaseous fuel  
An improved combustion process for an internal combustion engine including cylinders provided with inlet and outlet valves as well as inlet and outlet ducts. During a suction stroke with the outlet...
5050550 Hybrid step combustion system  
Hybrid step combustion system (HYSCOM) is available for four-stroke and two-stroke internal combustion engines. HYSCOM uses diesel and gasoline as fuels in operation. HYSCOM has a main combustion...
5033430 Diesel engine with indirect injection  
In a diesel engine with indirect injection, the precombustion chamber (18) and respective outflow duct (20) associated with each cylinder have a plane of symmetry which is tangential to the axis of...
5010852 Heat engine  
A multifuel hybrid heat engine having an internal combustion system and an external combustion system wherein a coaxial array of three tappet valves controls the expansion from the external...
4962736 Diesel engine  
A combustion chamber and method of operating a diesel engine to insure maximum air utilization. The engine has a main chamber and a subchamber that communicates with the main chamber through a...
4942858 Cylinder head for air-compressing, self-ignition internal combustion engines  
A cylinder head for air-compressing, self-ignition fuel-injection internal combustion engines has four valves per cylinder and an auxiliary combustion chamber between the inlet ducts of the inlet...
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