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Method and associated device for determining electrode wear of a spark plug

A technology of spark plugs and sparks, which is applied in mechanical equipment, ignition safety devices, spark ignition controllers, etc., can solve the problems of time and cost, and achieve better estimates, lower operating costs, and improved use efficiency

Inactive Publication Date: 2016-04-13
MAN ENERGY SOLUTIONS SA
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

For the user of the internal combustion engine, therefore, regular checks and maintenance are time-consuming and costly, even in the absence of conclusive spark plug wear.

Method used

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  • Method and associated device for determining electrode wear of a spark plug
  • Method and associated device for determining electrode wear of a spark plug

Examples

Experimental program
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Embodiment Construction

[0027] figure 1 A block diagram of a device is shown for determining the wear of electrodes 4 of a spark plug 2 of an internal combustion engine with spark plugs (not shown in detail). In the embodiment shown, the device has an engine control device 1 which determines whether a control variable or an operating variable for the ignition of the spark plug 2 has reached a predetermined threshold value and activates a signal generator 3 if it is determined that the threshold value has been reached.

[0028]In the embodiment shown, the internal combustion engine is a stable-running high-performance gas engine, which works according to the Otto principle. In the present case, the setpoint value of the ignition energy U is used as the control variable, and the actual value of the ignition energy U, which is applied to generate the spark combustion duration required for the specified ignition, is used as the operating parameter. A simple incandescent bulb is used as signal generator ...

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PUM

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Abstract

The invention relates to a method for determining the wear of an electrode (4) of a spark plug (2) of an internal combustion engine. During continuous operation of the internal combustion engine, it is determined whether an actual value of a control variable or an operating parameter characterizing the ignition of the spark plug (2) has reached a predetermined threshold value, and a signal generator (3) is activated if the threshold value has been reached.

Description

technical field [0001] The invention relates to a method for determining electrode wear of a spark plug of an internal combustion engine. Furthermore, the invention relates to the use of the method and a device for carrying out the method. Background technique [0002] To initiate ignition in internal combustion engines with forced ignition, especially in high-power gas engines, but also for example in vehicle engines, an ignition spark is generated between the electrodes of the spark plug. The ignition energy required for a successful ignition process, ie neither too short nor too long, is released by a suitable spark ignition duration. However, the distance between the electrodes changes over time during operation of the spark plug due to thermal influences, deposits, corrosion or other wear phenomena. This distance can be enlarged, for example due to thermal influences, or can also be reduced, for example, due to deposition or mechanical damage. In the case of an incre...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): F02P17/12F02P11/06
CPCF02D41/221F02P11/06F02P17/12Y02T10/40F02P11/00
Inventor S·格吕克
Owner MAN ENERGY SOLUTIONS SA