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Class 123/280 - Atomizer, deflector, or shield in precombustion chamber


Subclass of Class 123 - Internal-combustion engines
Definition: Subject matter wherein the prechamber or prechamber throat
No. of patents: 58
Last issue date: 10/07/2008


1    
NumberTitleIssue Date
7431008Ignition system of an internal combustion engine
An ignition system of an internal combustion engine, of a motor vehicle in particular, having at least one device for igniting a jet of a fuel/air mixture which has a chamber enclosing a process space in which the ignition of the fuel/air mixture takes place. The ch...
10/07/2008
7373956Passageway having non-linear flow path
A tube for directing fluid along a path that includes a bend. The tube comprising a conduit having a first aperture, a second aperture, and a bend portion adjacent the second aperture. An outer bend surface is integrally formed as part of the conduit to at least par...
05/20/2008
7243634Turbocharging and precombustion chamber spark plug internal combustion engine, ignition method and application
The invention concerns an internal combustion engine with at least one engine member, the engine member including a combustion chamber (4) of a combustible mixture with fuel components and oxidants, an ignition system of the combustible mixture by an igniter ...
07/17/2007
7237526Internal combustion engine with direct injection and sparking plug with precombustion chamber, ignition method and application
The invention concerns an internal combustion engine with at least one engine member, the engine member including a combustion chamber (4) of a combustible mixture with fuel and oxidant components fitted with a compression system (9), an ignition syste...
07/03/2007
7100567Method to extend lean ignition limit within internal combustion engine
A method of operating an internal combustion engine is provided. The engine includes a main combustion chamber in fluid communication with a prechamber. The method comprises the step of varying the volume within the prechamber during a portion of a compression strok...
09/05/2006
6830601Carburetor arrangement
The invention relates to a carburetor arrangement for an internal combustion engine (1) which drives a work apparatus. The engine (1) has an intake channel (3) leading through a carburetor (2). The intake channel (3) includes an in...
12/14/2004
6725824Internal 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, which is separate from the compression chamber. The combustion of fu...
04/27/2004
6098588Injection 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 injection nozzle (5) and a shroud (3) projecting from the cylind...
08/08/2000
6055954Spark ignition type internal combustion engine with sub-combustion chamber
A spark ignition internal combustion engine includes a sub-combustion chamber in which gas mixture with an air-fuel ratio adapted for an operating state of the engine over a wide operating range of the engine is supplied to a combustion chamber. The amoun...
05/02/2000
5105781Air-compressing internal combustion engine with self-ignition, with a main combustion space and an insert adjoining the latter, accommodated in the cylinder head and having an antechamber
An air-compressing internal combustion engine with oblique injection into an antechamber having a sphere-like combustion space and conduit of arranged offset relative to one another. A spheroid impact head with a cup shaped recess on the underside thereof...
04/21/1992
5069179Internal combustion engine
An internal combustion engine is described which comprises a main combustion chamber and a secondary combustion chamber which is arranged in the cylinder head of the internal combustion engine and is connected via a shot channel to the main combustion cha...
12/03/1991
5031588Internal combustion engine utilizing stratified charge combustion process
Internal combustion stratified-charge engine having within a cylinder thereof a variable volume space wherein a piston pursuant to an air intake stroke draws a stream of intake air through an entrance end of the combustion chamber and through such chamber...
07/16/1991
4884538Diesel engine swirl chamber
The nozzle throat through which fuel is injected into a swirl chamber is arranged so that a flame front which travels back through the plume of injected fuel is deflected and prevented from directly propagating thereinto. The orientation of the nozzle thr...
12/05/1989
4784098Internal combustion engine utilizing stratified charge combustion process
High-compression spark-ignited stratified-charge fuel-injection reciprocating-piston engine in which the combustion chamber initial charge includes a discrete air-fuel stratum that is lean with fuel at low speed idle and progressively increased in fuel ri...
11/15/1988
4770138Fuel injection type internal combustion engine
An engine comprising a piston having a cavity formed on the top face thereof. A projection having an impingement face at the top thereof is formed at the center of the cavity. Fuel is injected from a fuel injector toward the impingement face to form a ric...
09/13/1988
4722309Internal combustion engine
The internal combustion engine performs the thermodynamic cycle partially inside the cylinder, with the piston connected to the crankshaft, and partially in a turbo blower in which there takes place the final stage of the expansion of the burnt gases and,...
02/02/1988
4612888Diesel engine
A diesel engine has a cylinder head, an auxiliary combustion chamber defined in the cylinder head, an atomization passage communicating with the auxiliary combustion chamber, and a fuel injection nozzle means mounted in the cylinder head and having a prim...
09/23/1986
4572133High compression ratio and efficiency governed self-ignition internal combustion engine
A high compression ratio internal combustion engine operable on a fuel capable of being pressurized and vaporized to pressures above atmospheric pressure and having dual fuel introduction means respectively communicating with dual fuel sources. The first ...
02/25/1986
4541376Internal combustion engine
Spark ignited internal combustion engine of the reciprocal piston type, having inlet means 7 for substantially tangentially introducing a combustible mixture into a combustion chamber 6 to generate a swirling motion of the mixture and provided with means ...
09/17/1985
4499399Anti-pollutant spark plug adaptor
A spark plug adaptor for an internal combustion engine is provided with two chambers, an upper preliminary chamber and a lower secondary chamber. The upper chamber encompasses the spark plug electrodes and communicates with the lower chamber through an ac...
02/12/1985
4480613Catalytic late direct injection spark ignition engine
A late injection direct injection stratified charge spark ignition engine is provided with a catalytic grid disposed in the path of injected fuel spray and downstream of the point of spark ignition to assist the completion of combustion of previously igni...
11/06/1984
4421079Diesel engine combination fuel vaporizer and air/fuel mixer
A diesel type prechamber has a centrally located heated tubular member supplied internally with hot air through a secondary throat or transfer passage, the air vaporizing the fuel sprayed against the outer surface of the hot member and also mixing with th...
12/20/1983
4323039Antechamber system diesel engine
An antechamber system Diesel engine including an antechamber consisting of a front chamber and a rear chamber and a communication port communicating said antechamber with a main combustion chamber wherein at least one of fuel injection ports of a fuel inj...
04/06/1982
4318377Internal combustion engine with fuel injection
An internal combustion engine has a fuel injector in a side wall of each cylinder to direct a fuel jet onto a flat or concave impingement surface of a shield projecting into the cylinder from the cylinder head, to atomize the fuel in the vicinity of the s...
03/09/1982
4270498Internal combustion engine
An internal combustion engine has a fuel injector located in a side wall of each cylinder, and a combustion chamber in each cylinder formed largely by a cavity recessed in the crown of the piston, to define substantial "squish" areas between the piston cr...
06/02/1981
4258680Reciprocating engine with cylindrical combustion chamber
A reciprocating internal combustion engine has a cylindrical combustion chamber lying substantially entirely within the cylinder head and including a fuel injection nozzle and possibly a glow plug. The top of the cylindrical combustion chamber is defined ...
03/31/1981
4242990Spark ignited internal combustion engine
The invention is in an externally ignited internal combustion engine which has one main combustion chamber per cylinder and one ignition chamber which communicates with the main combustion chamber via an excess flow channel, the opening member of which pr...
01/06/1981
4224902Air-compressing injection internal combustion engine with auxiliary chamber
An air-compressing injection internal combustion engine with a main combustion space arranged in the piston and with an auxiliary chamber equipped with an injection nozzle and with a glow plug, which is in continuous communication with the main combustion...
09/30/1980
4219992Row crop attachment for combines
A row crop attachment adapting a combine for efficient harvesting of soybeans and similar crops, has crop-receiving structure disposed forwardly of the cutter for catching beans prematurely separated from the stalks by action of the combine cutter. Multip...
09/02/1980
4218992Externally ignited internal combustion engine
An internal combustion engine in which each cylinder or combustion volume includes a separate ignition chamber which communicates with the main combustion chamber through a relatively narrow channel or channels. The combustible mixture is delivered to the...
08/26/1980
4193379Compression-ignition internal combustion engine
A compression-ignition internal combustion engine including a mixing chamber in permanently open communication with a cylinder of the engine via a duct, there being provided means for injecting fuel into the mixing chamber during compression of combustion...
03/18/1980
4186692Compression ignition internal combustion engine with auxiliary swirl combustion chamber
A compression ignition internal combustion engine having a swirl chamber and a primary combustion chamber both of which are fluid-connected by a primary communicating passage has a recess portion at the fuel impinged portion of the swirl chamber for produ...
02/05/1980
4182281Spark plug adapter and process
A spark plug adapter has a tubular member provided with an enlarged upper portion internally threaded to receive a spark plug and the spark gap thereof and a smaller lower portion externally threaded and adapted for threading into a spark plug receiving b...
01/08/1980
4160431Insert liner for divided auxiliary combustion chamber of engine
The auxiliary combustion chamber of a four-cycle stratified-charge piston engine is divided into a primary cavity and a secondary cavity both formed in an insert liner received in the cylinder head. The primary cavity receives a relatively rich mixture wh...
07/10/1979
4127095Torch-ignition internal combustion engine
A torch-ignition internal combustion engine has a main and pre-combustion chambers communicated with each other through a torch aperture. Electrodes of a spark plug are disposed in the pre-combustion chamber at a point remote from the torch aperture. A fr...
11/28/1978
4123998Flame deflector for the auxiliary combustion chamber of an internal combustion engine
An internal combustion engine is provided with a relatively small auxiliary combustion chamber opening into a main combustion chamber, a spark plug adapted to ignite a combustible mixture in the auxiliary combustion chamber, and a deflector means for caus...
11/07/1978
4112877Internal combustion engine
An internal combustion chamber including a main combustion chamber receiving an air-fuel mixture, an auxiliary combustion chamber in communication with the main combustion chamber, and an air supply source for supplying air to the auxiliary combustion cha...
09/12/1978
4091774Stratified combustion type engine
The present invention relates to a stratified combustion type engine comprising an engine cylinder, a main combustion chamber located above the cylinder, an injection nozzle for injecting auxiliary fuel towards the combustion chamber, and an open pre-comb...
05/30/1978
4086885Carburetor for stratified internal combustion engine
A carburetor for an internal combustion engine of the stratified combustion type supplies a rich air-fuel mixture in the neighborhood of the ignition plug in each cylinder and a lean air-fuel mixture in the remaining space in the cylinder. The carburetor ...
05/02/1978
4085713Torch ignition internal combustion engine
A torch ignition internal combustion engine has a main combustion chamber for the combustion of a lean air-fuel mixture and an auxiliary combustion chamber for the combustion of a rich air-fuel mixture. The auxiliary combustion chamber has a suction and a...
04/25/1978
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