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Match Document Document Title
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...
7322321 Engine valve assembly having holding tank with return valve and discharge valve in the valve assembly  
An Elevated Expansion-Ratio Internal Combustion Engine has a substantially standard repeating four-stroke sequence for each of a plurality of cylinders. The head of each cylinder has an intake...
7216623 Internal combustion engine with auxiliary combustion chamber  
An internal combustion engine comprises a main combustion chamber part, an auxiliary combustion chamber part, a first communicating passage, a second communicating passage and an igniting...
7117826 Pilot oil ignition gas engine and method of operating pilot oil ignition gas engine  
The gas engine of the present invention has a pilot oil fuel valve, a pilot oil pump, and first and second pipes connected to a pilot oil main pipe, for each of a plurality of combustion chambers....
7055491 Piston-cylinder combination for a combustion engine  
A combustion engine with compression-initiated combustion comprises at least one cylinder in which a piston is movable axially between a lower dead center point and an upper dead center point, with...
6953020 Control of auto-ignition timing for combustion in piston engines by prechamber compression ignition  
A method and system of controlling auto-ignition timing in an internal combustion engine cylinder in which the timing of auto-ignition in prechambers that are coupled to the cylinder is precisely...
6912988 Multiple-front combustion chamber system with a fuel/air management system  
A combustion chamber of a positive-displacement spark-ignited internal combustion engine is divided into a main combustion chamber and a pre-combustion chamber having proximal and distal ends. The...
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...
6708666 Multi-zone combustion chamber for combustion rate shaping and emissions control in premixed-charge combustion engines  
An apparatus and method for improving efficiency of combustion engines. At least two combustion chambers are provided by contouring the surface of a piston or a cylinder head or a combination...
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...
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...
6318335 Operating method of an internal combustion engine and corresponding internal combustion engine  
The invention relates to an operating method of an internal combustion engine. According to the method, a fuel-air mixture is rapidly combusted in order to move a piston. The fuel contained in or...
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...
6206660 Apparatus for controlling gas temperature in compressors  
An apparatus is provided for controlling gas temperature during compression or expansion. The apparatus comprises a chamber for containing gas, a piston for changing the volume of gas in the...
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...
5947076 Fuel combustion assembly for an internal combustion engine having an encapsulated spark plug for igniting lean gaseous fuel within a precombustion chamber  
An internal combustion engine includes a precombustion member which has a number of first ignition orifices defined therein. The precombustion member further has a precombustion chamber defined...
5570670 Two stroke internal combustion engine  
A two stroke internal combustion engine has two opposed pistons (8) which reciprocate in opposite directions in cylinder (4) and define a common compression chamber (6) therebetween. Blower (10)...
5465695 Ignition system for internal combustion engine  
An ignition system for an internal combustion engine has a plurality of peripheral ignition gaps arranged at appropriate separations along the periphery of a combustion chamber and a center...
5351665 Internal combustion engine  
A combustion chamber located in the piston of an internal combustion engine is divided by restrictions into two or more partial chambers. The ratio between the minimum distance in the restricted...
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...
5271365 Jet plume injection and combustion system for internal combustion engines  
An improved combustion system for an internal combustion engine is disclosed wherein a rich air/fuel mixture is furnished at high pressure to one or more jet plume generator cavities adjacent to a...
5237964 Internal combustion engine with a new sequence of operation and combustion  
An internal combustion engine having multiple constant volume combustion chambers associated with each piston of the engine. The combustion within each of the combustion chambers is controlled to...
5222993 Ignition system for water-cooled gas engines  
A water-cooled, spark-ignited, natural gas burning engine that includes an improved ignition system having a pair of precombustion chambers located in series connected by an orifice from the first...
5156123 Engine with variable combustion chamber  
An engine with a variable combustion chamber has a a first combustion chamber defined in a piston slidably disposed in a cylinder, a second combustion chamber defined in a cylinder head and...
5115775 Internal combustion engine with multiple combustion chambers  
An internal combustion engine having two separate main combustion chambers isolated from the cylinder and from each other by means of a valve throttle mechanism. Combustion occurs first in one...
5111786 Air cell for an internal combustion engine  
An internal combustion engine having an air cell combustion system includes a cylinder block having at least one bore with a piston reciprocably housed therein, and a cylinder head attached to a...
5103776 Diesel engine  
The diesel engine includes a first combustion chamber defined by a recess in a piston top and a projection formed in the first combustion chamber. The projection stands on a bottom wall of the...
5076229 Internal combustion engines and method of operting an internal combustion engine using staged combustion  
An internal combustion engine and method of operation is disclosed as having a combustion chamber design which allows for staged combustion within the chambers. The internal combustion engine of...
5010860 Internal combustion engine with twin combustion chambers  
An internal-combustion engine includes two combustion spaces for each cylinder. Each combustion space is separated from the cylinder space and has a valve to open and close a passage through which...
4913111 Turbulence generator for two-stroker spark-assisted diesel engines  
A combustion chamber for a spark assisted diesel engine embodying a main combustion chamber and an energy cell. Fuel is injected into the main chamber and into the energy cell and combustion is...
4883032 In-cylinder control of particulates and nitric oxide for diesel engine  
A method using concurrently and simultaneously certain control factors for in-cylinder combustion, at least two of such factors being at levels never tried before by the prior art. The combination...
4852525 Combustion chamber in internal combustion engine  
According to the present invention, main and subcombustion chambers into which fuel is fed directly in an atomized state and in each of which a swirl is formed, are formed in communication with...
4745891 Otto cycle internal combustion engine giving increased performance  
Disclosed is an improvement whereby performance of an internal combustion engine, an Otto cycle engine in particular, is increased by the provision of two distinct in-piston combustion chambers (2,...
4742805 Internal combustion engine  
A number of embodiments of combustion chamber configurations for internal combustion engines as applied as power units for outboard motors. In each embodiment, the combustion chamber comprises a...
4742804 Spark-ignition engine  
There is disclosed a spark-ignition engine having a combustion chamber in which cavities are formed. The cavities are in communication with each other via a communication passage. Air-fuel mixture...
4721080 Structure of combustion chamber in diesel engine  
In a combustion chamber structure in a direct injection type diesel engine, in order to prevent flames from flowing out to a quench zone Q from a combustion chamber (32) which opens to a top part...
4696269 Device for improving the ignition of fuel-air mixtures in internal combustion engines  
A flame ignitor for internal combustion engines. This flame ignitor is, in one embodiment, an insert unit to be received in, for example, a conventional spark plug hole of an engine. It is to...
4686941 Turbulence generator for two-stroke spark-assisted diesel engines  
A combustion chamber for a spark assisted diesel engine embodying a main combustion chamber and an energy cell. Fuel is injected into the main chamber and into the energy cell and combustion is...
4641616 Internal combustion engine  
Internal combustion engine having a main combustion chamber (26) and a subsidiary combustion chamber (30) interconnected by a passageway (32) having a flow control element (34) arranged therein to...
4566413 Mixture-compression internal combustion engine  
A mixture-compression internal combustion engine has an auxiliary chamber opening into the combustion space via an injection duct, to which is allocated an ignition unit. In order to provide...
4532899 Internal combustion engine fuel-injection system  
A fuel injection and precombustion chamber arrangement for internal combustion engines comprising a pair of concentric poppet valves. The outermost valve is arranged to open and close the...
4509476 Spark-plug assembly for internal-combustion engine  
A spark-plug assembly comprises a fitting mounted on the piston cylinder of an internal-combustion engine and formed with a generally closed firing chamber, at least one firing port extending...
4444166 Method and apparatus for reducing the operating compression ratios of compression ignition engines  
A method and apparatus for combusting diesel, gasoline, kerosene, alcohol and other compression ignition fuels in either direct or indirect injection compression auto ignition internal combustion...
4440124 Internal combustion engine  
An internal combustion engine has a cylinder with a movable piston and a cylinder head, a main combustion chamber and an additional combustion chamber, elements producing a twisted stream rotating...
4433659 Precombustion chamber for internal combustion engines with compression-ignition  
A precombustion chamber for a compression-ignition internal combustion engine is formed in a cylindrical metal insert seated in the cylinder head. The internal cavity of the insert has a central...
4404938 Four-stroke-cycle internal combustion engine with fuel injection  
In a four stroke cycle internal combustion engine, a combustion chamber is disposed above the cylinder head and is connected by a passage to the piston chamber. The piston at its top dead center...
4401072 Combustion chamber of a compression-ignition type internal combustion engine  
A compression-ignition type internal combustion engine comprising a combustion chamber and an accumulation chamber which are interconnected to each other via an accumulation valve. The opening...
4340019 Internal combustion diesel engine  
An internal combustion diesel engine having a piston sliding in a cylinder and forming a main combustion chamber between the piston and the cylinder head. The cylinder head also has a...
4329956 Diesel cycle engine having a precombustion chamber  
A diesel cycle internal combustion engine has at least one cylinder and a precombustion chamber formed by a cavity in a metal insert in the cylinder head of the engine the precombustion chamber...
4300497 Prevaporizing diesel precombustion chamber  
An improved diesel engine wherein fuel is preheated and vaporized within the precombustion chamber during a substantial portion of the engine cycle in which the precombustion chamber is isolated...
Matches 1 - 50 out of 80 1 2 >