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Internal-combustion engine and method for operating internal-combustion engine

A technology for internal combustion engines and gas engines, applied to internal combustion piston engines, combustion engines, machines/engines, etc., to achieve the effect of avoiding misfires

Inactive Publication Date: 2009-09-30
MAN B & W DIESEL AS
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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  • Internal-combustion engine and method for operating internal-combustion engine

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Embodiment Construction

[0010] figure 1 A schematic partial view of an internal combustion engine according to the invention, which is preferably designed as an Otto gas engine, is shown in the region of a cylinder head 1 of the internal combustion engine, which delimits a main combustion chamber of the internal combustion engine 2. according to figure 1 , an accessory 3 is provided on the cylinder head 1 of the internal combustion engine, and the accessory (or insert) is preferably screwed into the cylinder head 1 by screwing, wherein the accessory 3 defines a pre-chamber 4, which is connected to the main combustion chamber 2 Separated and connected to the main combustion chamber via at least one opening 5 .

[0011] Projecting into the pre-chamber 4 is an ignition device 6 which is preferably shielded. Gas can be sprayed into the pre-chamber 4 under high pressure by the gas nozzle 7 that is connected on the high-pressure gas pipeline, wherein the gas injected into the pre-chamber 4 under high pr...

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Abstract

The invention relates to an internal-combustion engine and a method for operating internal-combustion engine, comprising a main combustion chamber (2) and a precombustion chamber (4) connected with the main combustion chamber through at least an opening (5). A gas nozzle (7) connected on a high pressure gas pipeline is disposed in the precombustion chamber, and the gas nozzle is used for injecting gas into the precombustion chamber in high pressure and mixing the gas with the thin gas-air mixture in the precombustion chamber. The internal-combustion engine also comprises an ignition unit (6) stretched into the precombustion chamber to fire the thick gas-air mixture. At least one nozzle (9, 10) is arranged in the precombustion chamber for leading air and / or waste gas into the precombustion chamber and mixing the gas with the thin gas-air mixture in the precombustion chamber before the gas nozzle leads the gas, thereby the limited non-flammable gas-air mixture exists before the gas nozzle leads the gas, and the limited ignitable gas-air mixture exists after the gas nozzle leads the gas.

Description

technical field [0001] The invention relates to an internal combustion engine according to the preamble of claim 1 . The invention also relates to a method for operating an internal combustion engine according to the preamble of claim 5 . Background technique [0002] An internal combustion engine for gaseous fuels is known from DE 10217996, which has a main combustion chamber and a pre-chamber separate from the main combustion chamber. The pre-chamber is connected to the main combustion chamber via at least one opening. A gas nozzle connected to the high-pressure gas pipeline is introduced into the pre-combustion chamber for injecting gas into the pre-combustion chamber under high pressure. In this case, the gas is mixed with a lean gas-air mixture in the pre-chamber and this mixture is enriched. An ignition device protrudes into the pre-chamber for igniting the enriched gas-air mixture and thus ultimately for igniting the gas-air mixture in the main combustion chamber. ...

Claims

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Application Information

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IPC IPC(8): F02B19/12F02M21/02
CPCF02B19/12Y02T10/32Y02T10/125F02M21/0275F02M21/0209F02P13/00Y02T10/12Y02T10/30F02B19/18F02B47/08
Inventor I·威尔克
Owner MAN B & W DIESEL AS
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