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Class Information
Number: 123/286
Name: Internal-combustion engines > Precombustion and main combustion chambers in series > Having specific connecting passage means between precombustion and main combustion chambers
Description: Subject matter wherein significance is attributed to the design of the passage between the pre and main combustion chambers.


Sub-classes under this class:

Class Number Class Name Patents
123/289 Fluid flow through passage controlled by working piston 26
123/288 Having fuel, a combustible mixture, or air added in the connecting passage 10
123/293 Having multiple passages 107
123/287 With ignition means in connecting passage 42
123/292 With valve means or variable orifice means in the passage 69


Patents under this class:
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Patent Number Title Of Patent Date Issued
7398743 Compression ignition initiation device and internal combustion engine using same Jul. 15, 2008
7204225 Internal combustion engine with auxiliary combustion chamber Apr. 17, 2007
7082920 Precombustion chamber ignition device for an internal combustion engine, precombustion chamber igniter and ignition method Aug. 1, 2006
7063247 Power driven equipment utilizing hydrogen from the electrolysis of water Jun. 20, 2006
6899076 Swirl chamber used in association with a combustion chamber for diesel engines May. 31, 2005
6848413 Method for homogenous charge compression ignition start of combustion control Feb. 1, 2005
6135084 Device for integrated injection and ignition in an internal combustion engine Oct. 24, 2000
6098588 Injection device and combustion process for an internal combustion engine Aug. 8, 2000
6065441 Divided chamber diesel combustion system May. 23, 2000
5769050 Prechamber for diesel engine Jun. 23, 1998
5746173 Divided combustion chamber for diesel engine May. 5, 1998
5477822 Spark ignition engine with cylinder head combustion chamber Dec. 26, 1995
5417189 High speed indirect injection diesel engine May. 23, 1995
5309879 Double overhead camshaft four valve diesel engine with side prechamber May. 10, 1994
5307773 Squish structure for spark ignition engine May. 3, 1994
5307772 Redox catalysis of NO.sub.x in internal combustion engines May. 3, 1994
5179839 Alternative charging method for engine with pressurized valved cell Jan. 19, 1993
5117788 Apparatus for control of pressure in internal combustion engines Jun. 2, 1992
5014663 Two-stroke internal combustion engine and cylinder head for the latter May. 14, 1991
4940029 Turbocompounded two-stroke piston engines Jul. 10, 1990
4924829 Apparatus for torch jet assisted spark ignition May. 15, 1990
4854280 Two-stroke internal combustion engine and cylinder head for the latter Aug. 8, 1989
4838213 Thermal ignition method and apparatus for internal combustion engines Jun. 13, 1989
4817388 Engine with pressurized valved cell Apr. 4, 1989
4798183 Swirl chamber type combustion chamber for diesel engine Jan. 17, 1989
4774919 Combustion chamber importing system for two-cycle diesel engine Oct. 4, 1988
4719884 Combustion chamber with a domed auxiliary chamber for a spark-ignition engine Jan. 19, 1988
4696269 Device for improving the ignition of fuel-air mixtures in internal combustion engines Sep. 29, 1987
4635598 Swirl chamber arrangement for diesel engine or the like Jan. 13, 1987
4619229 Structure for combustion chamber of auxiliary chamber type internal combustion engine Oct. 28, 1986
4557230 Swirl chamber for internal combustion engine Dec. 10, 1985
4545344 Diesel engine having turbulent combustion chamber Oct. 8, 1985
4541375 Diesel engine swirl chamber having improved multiple transfer passage arrangement Sep. 17, 1985
4483291 Process of segregating air-fuel mass in engine auxiliary chamber Nov. 20, 1984
4467759 Combined air intake passage and precombustion chamber for internal combustion engine Aug. 28, 1984
4446826 Ignition system for internal combustion engine May. 8, 1984
4446831 Precombustion chamber for internal combustion engine May. 8, 1984
4444166 Method and apparatus for reducing the operating compression ratios of compression ignition engines Apr. 24, 1984
4440125 Diesel engine combustion chamber Apr. 3, 1984
4434758 Diesel engine Mar. 6, 1984
4433647 Internal combustion motor with turbulence chamber Feb. 28, 1984
4426966 Precombustion chamber in the cylinder head of a diesel engine Jan. 24, 1984
4329956 Diesel cycle engine having a precombustion chamber May. 18, 1982
4325334 Prechamber cup for an internal combustion engine Apr. 20, 1982
4323039 Antechamber system diesel engine Apr. 6, 1982
4320728 Engine precombustion chamber with provisions for venting thereof and fuel stratification therein Mar. 23, 1982
4305357 Internal combustion engine having a main combustion chamber and an ignition chamber associated therewith provided with an ignition device Dec. 15, 1981
4294208 Atomizing shock wave precombustor Oct. 13, 1981
4292935 Low nitrous oxide (NOX) precombustor Oct. 6, 1981
4256071 Torch chamber apparatus and method for a spark plug of an internal combustion engine Mar. 17, 1981

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