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Class 123/265 - Precombustion and main chambers form an "I" head


Subclass of Class 123 - Internal-combustion engines
Definition: Subject matter in which the main and prechamber are so located
No. of patents: 13
Last issue date: 05/13/2008


NumberTitleIssue Date
7370626High 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 a precombustion chamber, which is connected to the main combustion ch...
05/13/2008
7093567Internal combustion system and method of operation
Internal combustion (I.C.) systems and methods provided herein substantially eliminate incomplete combustion, unburned hydrocarbon emission, and hydrocarbon, CO, NOx, and SOx emissions. A method of one embodiment includes the steps of providing...
08/22/2006
6952923Split-cycle four-stroke engine
An engine has a crankshaft, rotating about a crankshaft axis of the engine. An expansion piston is slidably received within an expansion cylinder and operatively connected to the crankshaft such that the expansion piston reciprocates through an expansion stroke and ...
10/11/2005
5205246Economy engine
The invention presents new and useful improvements in the mechanical design of control elements used in the sequencing of the exhaust and intake process cycles of the 4-stroke reciprocating piston engine. The exhaust and induction circuits pass through th...
04/27/1993
5010860Internal 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 communication is established between the combustion space ...
04/30/1991
4329955Combustion chamber of an internal combustion engine
A combustion chamber of an internal combustion engine has the form of a B-shaped chamber which consists of two spheroidal or spherical contiguous chambers which form an inwardly extending projection against which the air and fuel mixture impinges so as to...
05/18/1982
4140090Precombustion chamber, stratified charge internal combustion engine system using a highly combustible gas in the precombustion chamber
A gaseous fuel is used in a precombustion chamber for igniting lean fuel-oxidant mixtures in a main combustion chamber of an internal combustion engine. The precombustion chamber preferably utilizes a highly combustible gaseous fuel which burns clean with...
02/20/1979
4125105Four cycle internal combustion engine
An externally ignited four cycle internal combustion engine equipped with an inlet valve and an outlet valve, both valves being positioned on one side of the cylinder. A swirl (or vortex) chamber is provided within the cylinder head, the height of the swi...
11/14/1978
4111177Internal combustion engine
A stratified charge, internal combustion engine having a cylinder, a piston reciprocally disposed within the cylinder, a head secured over the cylinder, a chamber in the head above the cylinder, an air pocket adjacent the chamber and extending radially be...
09/05/1978
4103664Combustion chamber for compact engine of the side valve type for universal use having contactless ignition system
The spark gap portion of an ignition plug in a combustion chamber is adapted to be opposed to a bundle of streams of the air-fuel mixture withdrawn from an intake valve and is positioned on a line extending from the center of the cylinder to a midpoint be...
08/01/1978
3976038Reciprocating stratified charge internal combustion engine and mixture formation process
In a two or four cycle reciprocating internal combustion engine, an intake section is defined in the combustion chamber wherein a stratified charge of a rich fuel-air mixture is established in close proximity to the intake valve and the spark plug. An exh...
08/24/1976
3967595Side valve internal combustion engine
An internal combustion piston engine employs a stratified charge. Separate carburetor throats are provided for directing rich air-fuel mixture to a prechamber and lean air-fuel mixture to a main combustion chamber. The rich mixture is heated by the engine...
07/06/1976
3945365Low emission combustion system for internal combustion engine using multiple spark
A system capable of accommodating extremely lean mixtures and operating with greatly reduced engine emissions and good fuel consumption. The system is applicable to "L" head, "F" head and "OHV" engines. A combustion chamber is used which encloses at a bro...
03/23/1976
 
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