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Ignition device for igniting fuel-air mixture in internal combustion engines by corona discharge

A technology of air mixture and ignition device, which is applied in the direction of corona discharge device, engine ignition, spark ignition controller, etc., to achieve the effect of reducing fuel consumption

Active Publication Date: 2018-12-14
BORGWARNER BERU SYST
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0006] This configuration of the corona ignition device provides effective protection of the ignition electrode tip, but is associated with significant expense

Method used

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  • Ignition device for igniting fuel-air mixture in internal combustion engines by corona discharge
  • Ignition device for igniting fuel-air mixture in internal combustion engines by corona discharge
  • Ignition device for igniting fuel-air mixture in internal combustion engines by corona discharge

Examples

Experimental program
Comparison scheme
Effect test

Embodiment Construction

[0065] Reference numerals

[0066] 1 tubular housing

[0067] 2 HF connection

[0068] 3 Screw-in body

[0069] 4 caps

[0070] 5 Cylindrical part of the cap

[0071] 6 Pre-curved front part of the cap

[0072] 7 holes

[0073] 8 insulators

[0074] 9 Ignition electrode

[0075] 10 electrode tip

[0076] 11 axes

[0077] 12 conductive glass element

[0078] 13 Second electrode

[0079] 14 Contact bushing

[0080] 15 shield cover

[0081] 16 coils

[0082] 17 Annular gap

[0083] 18 shielded space

[0084] Conductive layer on 19

[0085] 20 electrical insulating layer

[0086] 21 cylinder head

[0087] 22 Flamethrower

[0088] 23 combustion chamber

[0089] 24 pistons

[0090] figure 1 The ignition device is shown with a tubular housing 1 made of a metallic material, which simultaneously acts as the outer conductor of the ignition device due to the electrical conductivity of said metal material. At the rear end of the housing 1 a high frequency connector ...

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Abstract

An ignition device for igniting a fuel / air mixture in a combustion chamber (23) of an internal combustion engine by corona discharge, comprising an ignition electrode (9), outer conductors (1, 3) surrounding the ignition electrode (9), said outer conductor having a front end and The rear end, and comprising an electrical insulator (8) arranged between the ignition electrode (9) and the outer conductor (1, 3), from which at least one tip (10) of the ignition electrode (9) protrudes. At least one tip (10) of the ignition electrode (9) is arranged in a space (18) shielded by the insulator (8) in association with a cap (4) having an inner side facing the insulator (8) and oriented towards Remote from the outer side of the insulator (8) and one or more holes (7) through which the shielded space (18) is connected to the space arranged on the outer side of the cap (4).

Description

technical field [0001] The invention belongs to the technical field of internal combustion engines, and in particular relates to a design scheme and structural features of a corona ignition device. Background technique [0002] The invention is based on an ignition device as known from DE 10 2010 045 170 B3, having the following characteristics: comprising an ignition electrode and an outer conductor surrounding the ignition electrode, said outer conductor having a front end and a rear end, and being arranged at the ignition electrode and an electrical insulator between the outer conductor and at least one tip of the ignition electrode protruding from the insulator. Ignition devices of this type are known as corona ignition devices or HF ignition devices. [0003] DE 10 2010 045 170 B3 discloses how a fuel / air mixture in a combustion chamber of an internal combustion engine can be ignited by a corona discharge generated by the internal combustion chamber. To this end, the ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): F02P23/04
CPCH01T13/44H01T13/50H01T13/54F02P13/00F02P23/04H01T19/00
Inventor 提莫·斯蒂菲尔亚历山大·申克
Owner BORGWARNER BERU SYST
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