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Ignition devices for igniting gas mixtures in gas-operated internal combustion engines

A technology of gas mixture and ignition device, which is applied in the direction of engine ignition, internal combustion piston engine, combustion engine, etc., can solve the problems of loss and rising maintenance cost of internal combustion engine, and achieve the effect of prolonging service life and reducing throttling effect

Active Publication Date: 2018-10-09
MAN ENERGY SOLUTIONS SA
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

As a result of corrosion, oxidation and erosion, this effect leads to a loss of the pre-chamber in the region of the transfer hole, so that the maintenance costs of the gas-operated internal combustion engine thus increase

Method used

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  • Ignition devices for igniting gas mixtures in gas-operated internal combustion engines

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Experimental program
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Embodiment Construction

[0040]The ignition device 1 has a schematically shown housing 2 , which, due to the section-varying outer diameter of the housing 2 , has a section-changing outer contour along the longitudinal extension of the housing 2 . This makes it possible to provide a housing shape that takes into account the thermal and mechanical loads acting on the housing during operation of the ignition device 1 , which lead to corresponding component stresses. In this case, the housing quite generally has a longitudinal extension which is larger than the transverse extension in the region of the largest housing diameter.

[0041] The housing has an inner recess 3 which has three sections of different arrangement and is designed as a pre-chamber 4 . The prechamber 4 has a prechamber belly 5 in which a spark plug 6 is arranged for igniting the gas mixture in the prechamber 4 .

[0042] The prechamber 4 is flushed with gas during the intake stroke of the main combustion chamber of the gas motor (not...

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Abstract

The invention relates to an ignition device for igniting a gas mixture of a gas-operated internal combustion engine for igniting a gas mixture in a main combustion chamber (11) of a gas-operated internal combustion engine, wherein the ignition device (1) has a housing (2) with an internal recess (3) configured as a pre-chamber (4) and means (6) providing an ignition spark for igniting the gas mixture in the pre-chamber (4), and the housing (2) has an overflow hole (10) for the ignition flame to penetrate from the pre-chamber (4) into the main combustion chamber (11) for igniting the gas mixture in the main combustion chamber (11), and inside The recess (3) has a region (8) that widens in cross-section in the direction of the overflow opening (10).

Description

technical field [0001] The invention relates to an ignition device for igniting a gas mixture in the main combustion chamber of a gas-operated internal combustion engine, wherein the ignition device has a housing with an internal recess configured as a pre-chamber and a device for providing an ignition spark device for igniting the gas mixture in the pre-chamber, and the housing has an overflow hole for the ignition flame (Zündfackel) to penetrate from the pre-chamber into the main combustion chamber for igniting the gas in the main combustion chamber mixture. Background technique [0002] In order to reduce pollutant emissions, gas motors are usually operated as lean-burn motors (Magermotors) with a high excess air, so that in order to reliably ignite the lean mixture, such motors require an initial ignition (Initial Zündung), which diffuses into the main combustion chamber , that is to say, in such a way that the pilot ignition is not extinguished before the gas mixture s...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): F02B19/12
CPCF02B43/00H01T13/54F02B19/12F02P13/00F02P15/006Y02T10/12Y02T10/30
Inventor S.施托尔M.伦茨
Owner MAN ENERGY SOLUTIONS SA
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