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Ignition system for internal combustion engine and ignition method of fuel charged in a fuel chamber

An ignition system and internal combustion engine technology, applied in engine ignition, electric spark ignition controller, spark plug, etc., can solve the problems of complex ignition system, high cost, poor operability, etc.

Inactive Publication Date: 2007-12-19
矶野靖雄
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Therefore, there are problems such as poor operability of replacement and repair and high cost
[0011] In addition, for the continuous ignition system, since an ignition control circuit is required, the ignition system is more complicated.
When replacing or repairing components, the entire ignition control circuit must be replaced, resulting in increased costs

Method used

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  • Ignition system for internal combustion engine and ignition method of fuel charged in a fuel chamber
  • Ignition system for internal combustion engine and ignition method of fuel charged in a fuel chamber
  • Ignition system for internal combustion engine and ignition method of fuel charged in a fuel chamber

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Embodiment Construction

[0036] Embodiments of the present invention will be described below with reference to the drawings, in which the same numerals represent the same symbols.

[0037] As shown in FIG. 1 , in the first embodiment, the ground electrode 20 on the spark plug is cylindrical. The ground electrode 20 includes a ground electrode base 27 located on the spark plug, a main ground electrode 21 protruding from the ground electrode base 27 and an auxiliary ground electrode 30 protruding from the ground electrode base 27 . The ground electrode base 27 has a threaded portion 28 which is threaded into a hole in the conductive outer wall surface of the combustion chamber to electrically ground the ground electrode base 27 and secure the spark plug.

[0038] The main ground electrode 21 is integrated with the ground electrode base 27 through the protruding portion 22 . The curved portion 23 is located between the convex portion 22 and the straight portion 24 . The length of the straight portion 2...

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Abstract

A grounding electrode 20 is electrically grounds, and a center electrode 10 to which high voltage pulse is applied that an end of the grounding electrode 20 and an end of the center electrode 10 are disposed closely. The grounding electrode 20 is branched into a main grounding electrode 21 and an auxiliary grounding electrode 30. An end 25 of the main grounding electrode 21 and an end 36 of the auxiliary grounding electrode 30 are disposed close to an end 11 of the center electrode. An inductor section that counterelectromotive force is generated according to a variation amount of flowing current is integrally provided between a portion of the auxiliary grounding electrode branched from the grounding electrode 20 and the end 36 of the auxiliary grounding electrode 30.

Description

technical field [0001] The invention relates to an ignition system of an internal combustion engine and a method for igniting fuel discharged into a combustion chamber. The ignition system ignites a mixture of air and fuel (such as gasoline) through electric sparks, thereby converting combustion pressure into power. Background technique [0002] As a method of igniting a mixture of air and fuel (such as gasoline) in an internal combustion engine, a method generally used is to apply a high-voltage pulse between electrodes to generate an electric spark to ignite the mixture. [0003] During the discharge process, when the duration of the electric spark and the quantity of the electric spark are sufficient, the molecules of the mixed gas are immediately activated by the electric spark. Subsequently, the molecules of the ionized mixed gas are accelerated by the electric field generated by the discharge and collide with other mixed gas molecules to generate numerous ionized molec...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H01T13/32H01T13/46F02P13/00F02P15/08H01T13/20H01T13/40
CPCH01T13/467H01T13/32
Inventor 矶野靖雄
Owner 矶野靖雄