CN104426057A - Spark plug, and ignition system of internal combustion engine using same - Google Patents

Spark plug, and ignition system of internal combustion engine using same Download PDF

Info

Publication number
CN104426057A
CN104426057A CN201310368292.XA CN201310368292A CN104426057A CN 104426057 A CN104426057 A CN 104426057A CN 201310368292 A CN201310368292 A CN 201310368292A CN 104426057 A CN104426057 A CN 104426057A
Authority
CN
China
Prior art keywords
spark plug
diversion division
hole
guiding gutter
housing
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
CN201310368292.XA
Other languages
Chinese (zh)
Other versions
CN104426057B (en
Inventor
张蝶儿
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Individual
Original Assignee
Individual
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Individual filed Critical Individual
Priority to CN201310368292.XA priority Critical patent/CN104426057B/en
Priority to PCT/CN2013/085119 priority patent/WO2015024292A1/en
Priority to PCT/CN2014/084840 priority patent/WO2015024516A1/en
Publication of CN104426057A publication Critical patent/CN104426057A/en
Application granted granted Critical
Publication of CN104426057B publication Critical patent/CN104426057B/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01TSPARK GAPS; OVERVOLTAGE ARRESTERS USING SPARK GAPS; SPARKING PLUGS; CORONA DEVICES; GENERATING IONS TO BE INTRODUCED INTO NON-ENCLOSED GASES
    • H01T13/00Sparking plugs
    • H01T13/20Sparking plugs characterised by features of the electrodes or insulation

Landscapes

  • Spark Plugs (AREA)

Abstract

The invention relates to a spark plug. The spark plug comprises an insulator, a center electrode, a casing, a flow-guiding portion and a grounding electrode, wherein the insulator is provided with an axially extending axle hole; the center electrode is inserted into the axle hole penetrating the insulator and exposes an end portion; the casing is hollow and cylindrical-shaped and sleeves the surface of the insulator; the flow-guiding portion is disposed at the opening end, which faces the cylinder of an internal combustion engine, of the casing, the flow-guiding portion is a cylindrical body and has a sparking hole penetrating the upper and lower bottom surfaces at the center, a flow-guiding groove is disposed axially in the side wall of the flow-guiding portion, and the flow-guiding groove communicates with the sparking hole; and the grounding electrode is disposed on the inner wall of the casing or on the inner wall of the sparking hole of the flow-guiding portion, and an ignition end portion with a spark discharge gap is formed between the grounding electrode and the end portion of the center electrode. Compared with the prior art, the spark plug prevents a part of fuel from remaining at the outside of the casing and accordingly forming black stains, makes fuller use of the fuel and improves the utilization rate of the fuel. Besides, the spark plug prevents the occurrence of deposits and corrosion resulting therefrom, thereby prolonging the service life.

Description

A kind of spark plug and use the ignition system of internal combustion engine of this spark plug
Technical field
The present invention relates to a kind of igniting field of internal combustion engine, especially relate to a kind of spark plug, and use the ignition system of internal combustion engine of this spark plug.
Background technology
Internal combustion engine is after liquid or gaseous fuel being mixed with air, and the high compression combustion chamber burning outburst directly inputting cylinder internal produces power.Be a kind of heat engine of mechanical energy by thermal energy.Spark plug is installed on internal combustion engine, for the sparking of the mist in combustion chamber.Refer to Fig. 1, it is the structural representation of the ignition system of internal combustion engine of the prior art.The ignition system of this internal combustion engine comprises combustion chamber 11, fuel injector 12 and spark plug 13.This combustion chamber 11 comprises the cylinder body 111 of a cavity, and it is that screw-shaped spark plug installs passage 112, in order to be arranged on combustion chamber 11 by spark plug 13 that the upper end of cylinder body 111 has an inwall; And there is a fuel injector installation passage 114 near spark plug installation passage 112, in order to be arranged on combustion chamber 11 by fuel injector 12.Please refer to Fig. 2, it is the structural representation of prior art spark plug 13.This spark plug 13 comprises a central electrode 132, insulator 134, housing 136 and grounding electrode 138.This insulator 134 is ceramics insulator, has the axis hole extended in the axial direction, and this central electrode 132 inserts the axis hole running through this insulator 134.This housing 136 is arranged on the periphery of this insulator 134, and the surface of housing 136 has screw thread.This grounding electrode 138 is connected with the end of this housing 136, and bending extension is relative with central electrode 132, and forms the gap of sparkover between central electrode 132.Form firing end portion between this central electrode 132 and grounding electrode 138, this firing end portion produces electric arc by the effect of pulse power, and then produces the mist of spark ignition surrounding them, reaches the object of automatic ignition.
Usually, this combustion chamber 11 is circular or elliptic cylinder body, in order to can powerful combustion efficiency be produced, can the firing end portion that the central electrode of spark plug 13 and grounding electrode are formed be arranged in the cylinder body 111 of combustion chamber 11, namely the screw thread twist of passage 112 installed by this spark plug 13 by its housing 136 and spark plug, the housing 136 of spark plug 13 is filled with whole spark plug and installs passage 112, and spark plug 13 installs passage 112 through this spark plug makes its firing end portion extend out in the cylinder body 111 of combustion chamber 11.In order to strengthen the combustion efficiency of ignition system, this fuel injector 12 can be arranged near spark plug 13, and the nozzle of this fuel injector 12 sprays facing to the firing end portion side of this spark plug 13.
But, the housing 136 meeting extension of usual spark plug 13 is in the cylinder body of combustion chamber 11, because fuel injector 12 is the sides being arranged on spark plug 13, housing 136 meeting stop portions fuel directly arrives the firing end portion of spark plug, thus affects combustion efficiency; After Long-Time Service, usually can form the carbon black stain of incomplete combustion on the housing of fuel injector 12 side, namely the local carbon deposition phenomenon that causes of incomplete combustion, reduces combustion efficiency, have impact on the power output of engine.And, because the operational environment of spark plug is exceedingly odious, this central electrode 132 and grounding electrode 138 need igniting many times in combustion chamber 11 under high-temperature and high-pressure conditions, and this electrode there will be deposit and cause it to corrode, and cause being worse off of spark plug 13.
Summary of the invention
The object of the invention is to overcome the shortcoming of prior art and deficiency, the spark plug that a kind of combustion efficiency is high is provided.
The present invention is achieved by the following technical solutions:
A kind of spark plug, comprise insulator, it has the axis hole extended in the axial direction; Central electrode, it inserts the axis hole exposed end that run through this insulator; Housing, it is hollow columnar, and this housing is set in this insulator surface; Diversion division, it is arranged on the openend of this housing towards internal combustion engine cylinders, and this diversion division is column, and its center has the fire jetting hole that runs through bottom surface on it, and its sidewall is provided with guiding gutter in the axial direction, and this guiding gutter is communicated with fire jetting hole; Grounding electrode, it is arranged on the inwall of housing, or is arranged on the inwall of fire jetting hole of diversion division, and forms the firing end portion in the gap with sparkover between the end of central electrode.
Further, this diversion division also comprises air admission hole, and it arranges on sidewall and with the guiding gutter end of diversion division and is communicated with, and/or is arranged on guiding gutter, and this guiding gutter is communicated with fire jetting hole by this air admission hole.
Further, this guiding gutter runs through the upper bottom surface of this diversion division, and is communicated with fire jetting hole by the cavity of housing.
Further, this diversion division also comprises a bocca, and this bocca is arranged on the end of this diversion division towards internal combustion engine cylinders.
Further, this bocca is connected with the end of diversion division by door, and this door is provided with the through hole be communicated with the fire jetting hole of diversion division.And the sidewall of this bocca is provided with through hole.
Relative to prior art, the guiding gutter on the sidewall of the diversion division of this spark plug and air admission hole this fuel bootable enter in spark plug, avoid part of fuel and remain in outside formation carbon black stain, utilize fuel more fully, improve the utilance of fuel.And the central electrode of this spark plug, by the protection of diversion division, avoids and occurs deposit and the situation causing it to corrode, improve its useful life.
In addition, present invention also offers a kind of ignition system of internal combustion engine, it comprises combustion chamber and spark plug, and this combustion chamber comprises the cylinder body of a cavity, the inwall of cylinder body has a spark plug and installs passage; This spark plug is arranged on this spark plug and installs on passage.Wherein, this spark plug comprises insulator, and it has the axis hole extended in the axial direction; Central electrode, it inserts the axis hole exposed end that run through this insulator; Housing, it is hollow columnar, and this housing is set in this insulator surface; Diversion division, it is arranged on the openend of this housing towards internal combustion engine cylinders, and this diversion division is column, and its center has the fire jetting hole that runs through bottom surface on it, and its sidewall is provided with guiding gutter in the axial direction, and this guiding gutter is communicated with fire jetting hole; Grounding electrode, it is arranged on the inwall of housing, or is arranged on the inwall of fire jetting hole of diversion division, and forms the firing end portion in the gap with sparkover between the end of central electrode.
Relative to prior art, the ignition system of internal combustion engine of the present invention avoids part of fuel and remains in shell of spark plug external body formation carbon black stain, utilizes fuel more fully, improves the utilance of fuel.
Below in conjunction with Figure of description, spark plug of the present invention is described in detail.
Accompanying drawing explanation
Fig. 1 is the structural representation of the ignition system of internal combustion engine of the prior art.
Fig. 2 is the structural representation of spark plug in prior art.
Fig. 3 is embodiment 1 structural representation of spark plug of the present invention.
Fig. 4 is the perspective view of diversion division shown in Fig. 3.
Fig. 5 is the structural representation of the diversion division of embodiments of the invention 2.
Fig. 6 is the structural representation of the diversion division of embodiments of the invention 3.
Fig. 7 is the structural representation of the diversion division of embodiments of the invention 4.
Embodiment
embodiment 1
Refer to Fig. 3, it is embodiment 1 structural representation of the spark plug of invention of the present invention.This spark plug 20 comprises a central electrode 21, insulator 24 and housing 26.This insulator 24 is ceramics insulator, and it has the axis hole extended in the axial direction.This central electrode 21 inserts the axis hole exposed end 211 that run through this insulator 24.This housing 26 is hollow structure, is set in the surface of this insulator 24, and housing 26 is provided with a diversion division 28 towards the openend of cylinder body.Please refer to Fig. 4, it is the perspective view of diversion division shown in Fig. 3.This diversion division 28 is column, is provided with fire jetting hole 282, guiding gutter 283 and air admission hole 284.Wherein, this fire jetting hole 282 is positioned at the axis place of this diversion division 28, and runs through the upper bottom surface of this diversion division 28.This guiding gutter 283 is positioned on the sidewall of this diversion division 28, and its cross section is arc.The quantity of guiding gutter 283 is not limit, and can arrange as required.This air admission hole 284 is communicated with the end of guiding gutter 283, and runs through the sidewall of diversion division 28, and this guiding gutter 283 is communicated with fire jetting hole 282 by this air admission hole 284.The end 211 of this central electrode 21 extends in the fire jetting hole 282 of this diversion division 28, and the inwall of this fire jetting hole 282, as grounding electrode 22, forms the firing end portion in the gap with sparkover with central electrode 21.This diversion division 28 makes it be fixed on housing 26 by welding procedure.The outer surface of this central electrode 21 and grounding electrode 22 is all coated with one deck noble metal, as iraurite, to improve the performance of its igniting.
When the induction stroke of internal combustion engine, the nozzle of fuel injector directly carries out burner oil facing to this spark plug 20, guiding gutter 283 on the sidewall of the diversion division of spark plug and air admission hole 284 this fuel bootable enter in spark plug, avoid part of fuel and remain in outside formation carbon black stain, utilize fuel more fully, improve the utilance of fuel.In addition, the mist that fuel and air are formed is full of the cylinder body of combustion chamber simultaneously, and because the pressure in cylinder body is much larger than the pressure of plug ignition end, mist is advanced into spark plug rapidly and is full of around firing end portion.
And when the pulse firing of spark plug, mist is filled with around firing end portion in the fire jetting hole of this spark plug, the mist discharged between this central electrode 21 and grounding electrode 22 around ignitor, gas now in fire jetting hole is ignited and undergoes rapid expansion, pressure increases rapidly, and then promotion spark discharges to cylinder body direction.
Further, this air admission hole can also accelerate the backflow of mist in cylinder body.The direction of gas backstreaming is perpendicular to the sidewall of diversion division 28 substantially, so the region near air admission hole is exactly the intersection of crossflow and longitudinal air flow, is the maximum place of gas flow momentum.Therefore, as the optimal way of the present embodiment, the end of central electrode is arranged near air admission hole 284, in the maximum full out side of gas flow momentum, make the position of firing tip can realize the cylinder fuel when lighting a fire and be gathered in firing tip in a large number rapidly, can the gas spark lighted be made when flame to arrive cylinder body rapidly again, achieve the acceleration backflow of gas in spark plug cavity and in the cylinder body of combustion chamber, thus improve the combustion efficiency of internal combustion engine.And as the optimal way of the present embodiment, can arrange air admission hole further in guiding gutter 283, to increase gas flow momentum, thus the speed improving gas backstreaming further improves the combustion efficiency of internal combustion engine.
In addition, because the central electrode 21 of this spark plug is by the protection of diversion division, avoids and occur deposit and the situation causing it to corrode, improve its useful life.
embodiment 2
The spark plug of the present embodiment 2 and the roughly the same of embodiment 1, its difference is only that the structure of the diversion division of spark plug is different.Refer to Fig. 5, it is the structural representation of the diversion division 38 of the present embodiment 2.This diversion division 38 is column, is provided with fire jetting hole 382 and guiding gutter 383.Wherein, this fire jetting hole 382 is circular, is positioned at the axis place of this diversion division 38, and runs through the upper bottom surface of this diversion division 38.This guiding gutter 383 is positioned on the sidewall of this diversion division 38, and runs through the upper bottom surface of this diversion division 38, and this guiding gutter 383 is communicated with fire jetting hole 382 by the inner chamber of housing.The irregular polygons formed by straight cuts punching press to guiding gutter 383.The end of this central electrode extends in the fire jetting hole 382 of this diversion division 38, using the inwall of this fire jetting hole 382 as grounding electrode, forms the firing end portion in the gap with sparkover with central electrode.Equally, this diversion division 38 makes it be fixed on housing by welding procedure.
Guiding gutter in this embodiment had both served effect fuel being carried out to water conservancy diversion, play a part air admission hole simultaneously, its be directly communicated with the bottom surface of diversion division with increase gas to flow area, thus improve the combustion efficiency of internal combustion engine further by the speed of raising gas backstreaming.
embodiment 3
The spark plug of the present embodiment 3 and the roughly the same of embodiment 1, its difference is only that the structure of the diversion division of spark plug is different.Refer to Fig. 6, it is the structural representation of the diversion division 48 of the present embodiment 3.This diversion division 48 is column, is provided with fire jetting hole 482, guiding gutter 483 and air admission hole 484.This diversion division 48 is formed by carrying out Sheet Metal Forming Technology process to the housing of spark plug.Wherein, this guiding gutter 383 carries out cutting by the sidewall of this diversion division 38 and inwardly punching press forms inner groovy, makes this guiding gutter 383 run through the upper bottom surface of this diversion division 38.This fire jetting hole 482 is by being made up of the inner concave arc surface of guiding gutter 483 and the sidewall of diversion division 48, and it runs through the axis place of this diversion division 48, and runs through the upper bottom surface of this diversion division 48.This guiding gutter 383 is communicated with fire jetting hole 382 by the inner chamber of housing.The end of this central electrode is positioned at its housing 26, using the inwall of housing as grounding electrode, forms the firing end portion in the gap with sparkover with central electrode.This firing end portion is close to the fire jetting hole 482 of this diversion division 48.
The present embodiment have employed Sheet Metal Forming Technology, the housing of spark plug itself is directly utilized to form diversion division, can reach raising fuel availability equally, avoid sedimentation of fuel on sidewall, and ensure that gas flow momentum in spark plug, thus ensure that the speed of gas backstreaming improves the combustion efficiency of internal combustion engine.As the optimal way of the present embodiment, arrange in guiding gutter 483 further air admission hole 484 increase with fire jetting hole be communicated with area, to increase gas flow momentum, thus the speed improving further gas backstreaming improves the combustion efficiency of internal combustion engine
embodiment 4
The spark plug of the present embodiment 4 and the roughly the same of embodiment 1, its difference is only that the structure of the diversion division of spark plug is different.Refer to Fig. 7, it is the structural representation of the diversion division 58 of the present embodiment 4.This diversion division 58 is column, is provided with bocca 581, fire jetting hole 582, guiding gutter 583 and air admission hole 584.Wherein, this bocca 581 is arranged on the end of this diversion division 58 towards internal combustion engine cylinders, and the external diameter of this bocca is less than the external diameter of diversion division, is chimney shape.This fire jetting hole 582 is positioned at the axis place of this diversion division 58, and runs through upper bottom surface and the bocca 581 of this diversion division 58.The sidewall that this guiding gutter 583 is positioned at this diversion division 58 runs through the upper bottom surface of this diversion division 58, and its cross section is arc.This air admission hole 584 is positioned at guiding gutter 583, and this guiding gutter 583 is communicated with fire jetting hole 582 by the inner chamber of housing and this air admission hole 584 simultaneously.The end of central electrode extends in the fire jetting hole 582 of this diversion division 58, and the inwall of this fire jetting hole 582, as grounding electrode, forms the firing end portion in the gap with sparkover with central electrode.This diversion division 28 makes it be fixed on housing by welding procedure.The outer surface of this central electrode and grounding electrode is all coated with one deck noble metal, as iraurite, to improve the performance of its igniting.
As the improved procedure of the present embodiment, this bocca 581 is connected with the end of diversion division by a door, and this door is provided with the through hole (not shown) be communicated with the fire jetting hole of diversion division.Further, the sidewall of this bocca also can be provided with through hole, to increase the speed that gas backstreaming exchanges further.
Compared with embodiment 1, the diversion division of the present embodiment is by arranging bocca advantageously in the ignition effectiveness improving internal combustion engine.Bocca plays stack effect in this spark plug, and utilize pressure reduction to be led in cylinder body by the spark lighted, air-flow is now that spark plug is to cylinder body direction.And the guiding gutter of diversion division and on air admission hole, and the through hole on bocca tube wall can accelerate the backflow of mist in cylinder body further.Thus improve the combustion efficiency of internal combustion engine.
In addition, present invention also offers the ignition system of the internal combustion engine using this spark plug.The ignition system of this internal combustion engine comprises combustion chamber and spark plug, and this combustion chamber comprises the cylinder body of a cavity, and the inwall of cylinder body has a spark plug and installs passage, this spark plug is arranged on this spark plug and installs on passage.Wherein, the structure of this spark plug can adopt the structure of any spark plug in above-described embodiment 1 ~ 4, does not repeat them here.
The present invention is not limited to above-mentioned execution mode, if do not depart from the spirit and scope of the present invention to the various change of inventing or distortion, if these are changed and distortion belongs within claim of the present invention and equivalent technologies scope, then the present invention is also intended to comprise these changes and distortion.

Claims (10)

1. a spark plug, is characterized in that, comprises
---insulator, it has the axis hole extended in the axial direction;
---central electrode, it inserts the axis hole exposed end that run through this insulator;
---housing, it is hollow columnar, and this housing is set in this insulator surface;
---diversion division, it is arranged on the openend of this housing towards internal combustion engine cylinders, and this diversion division is column, and its center has the fire jetting hole that runs through bottom surface on it, and its sidewall is provided with guiding gutter in the axial direction, and this guiding gutter is communicated with fire jetting hole;
---grounding electrode, it is arranged on the inwall of housing, or is arranged on the inwall of fire jetting hole of diversion division, and forms the firing end portion in the gap with sparkover between the end of central electrode.
2. spark plug according to claim 1, is characterized in that: this diversion division also comprises air admission hole, and it arranges on sidewall and with the guiding gutter end of diversion division and is communicated with, and/or is arranged on guiding gutter, and this guiding gutter is communicated with fire jetting hole by this air admission hole.
3. spark plug according to claim 1, is characterized in that: this guiding gutter runs through the upper bottom surface of this diversion division, and is communicated with fire jetting hole by the cavity of housing.
4. the spark plug according to claim arbitrary in claim 1-3, is characterized in that: this diversion division also comprises a bocca, and this bocca is arranged on the end of this diversion division towards internal combustion engine cylinders.
5. spark plug according to claim 4, is characterized in that: this bocca is connected with the end of diversion division by door, and this door is provided with the through hole be communicated with the fire jetting hole of diversion division.
6. spark plug according to claim 4, is characterized in that: the sidewall of this bocca is provided with through hole.
7. the spark plug according to claim arbitrary in claim 1-3, is characterized in that: the cross section of this guiding gutter is arc, or irregular polygon.
8. an ignition system for internal combustion engine, is characterized in that: comprise combustion chamber and spark plug, and this combustion chamber comprises the cylinder body of a cavity, the inwall of cylinder body has a spark plug and installs passage; This spark plug is arranged on this spark plug and installs on passage, and this spark plug comprises:
---insulator, it has the axis hole extended in the axial direction;
---central electrode, it inserts the axis hole exposed end that run through this insulator;
---housing, it is hollow columnar, and this housing is set in this insulator surface;
---diversion division, it is arranged on the openend of this housing towards internal combustion engine cylinders, and this diversion division is column, and its center has the fire jetting hole that runs through bottom surface on it, and its sidewall is provided with guiding gutter in the axial direction, and this guiding gutter is communicated with fire jetting hole;
---grounding electrode, it is arranged on the inwall of the fire jetting hole of diversion division, and forms the firing end portion in the gap with sparkover between the end of central electrode.
9. the ignition system of internal combustion engine according to claim 8, it is characterized in that: this diversion division also comprises air admission hole, it is arranged on the sidewall of guiding gutter end of diversion division, and/or is arranged on guiding gutter, and this guiding gutter is communicated with fire jetting hole by this air admission hole.
10. the ignition system of internal combustion engine according to claim 8, is characterized in that: this guiding gutter runs through the upper bottom surface of this diversion division, and is communicated with fire jetting hole by the cavity of housing.
CN201310368292.XA 2013-08-21 2013-08-21 Spark plug, and ignition system of internal combustion engine using same Active CN104426057B (en)

Priority Applications (3)

Application Number Priority Date Filing Date Title
CN201310368292.XA CN104426057B (en) 2013-08-21 2013-08-21 Spark plug, and ignition system of internal combustion engine using same
PCT/CN2013/085119 WO2015024292A1 (en) 2013-08-21 2013-10-12 Spark plug and internal combustion engine ignition system using said spark plug
PCT/CN2014/084840 WO2015024516A1 (en) 2013-08-21 2014-08-20 Spark plug and ignition system of internal combustion engine using same

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201310368292.XA CN104426057B (en) 2013-08-21 2013-08-21 Spark plug, and ignition system of internal combustion engine using same

Publications (2)

Publication Number Publication Date
CN104426057A true CN104426057A (en) 2015-03-18
CN104426057B CN104426057B (en) 2017-05-10

Family

ID=52483004

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201310368292.XA Active CN104426057B (en) 2013-08-21 2013-08-21 Spark plug, and ignition system of internal combustion engine using same

Country Status (2)

Country Link
CN (1) CN104426057B (en)
WO (2) WO2015024292A1 (en)

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106549304A (en) * 2015-09-21 2017-03-29 张蝶儿 A kind of spark plug
CN106549305A (en) * 2015-09-21 2017-03-29 张蝶儿 A kind of spark plug
CN106549307A (en) * 2015-09-21 2017-03-29 张蝶儿 A kind of spark plug
CN106549303A (en) * 2015-09-21 2017-03-29 张蝶儿 A kind of spark plug
CN108023276A (en) * 2017-08-08 2018-05-11 应用太空科技有限公司 A kind of spark plug
CN112490853A (en) * 2020-11-27 2021-03-12 陕西航空电气有限责任公司 Ignition electric nozzle of engine
US11885900B2 (en) 2019-01-10 2024-01-30 Technische Universität München Method and system for tracking a mobile device

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB119419A (en) * 1918-01-14 1918-10-03 Henri Victor Jules Jouffret Improvements relating to Sparking Plugs for Internal Combustion Engines.
US4442807A (en) * 1979-04-21 1984-04-17 Robert Bosch Gmbh Method for igniting lean fuel-air mixtures and an apparatus to perform the method
JPH01294390A (en) * 1988-05-21 1989-11-28 Bandou Kiko Kk Spark plug
CN2678214Y (en) * 2004-01-19 2005-02-09 金战神有限公司 Sparking plug
JP2007035570A (en) * 2005-07-29 2007-02-08 Denso Corp Spark plug and combustion engine
CN203434439U (en) * 2013-08-21 2014-02-12 张蝶儿 Spark plug and spark-plug-using igniting system of internal combustion engine

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CA2572280A1 (en) * 2004-06-24 2006-02-02 Woodward Governor Company Pre-chamber spark plug
CN101471543B (en) * 2007-12-28 2011-10-26 李忠尧 Sparkle guiding device
JP5002566B2 (en) * 2008-10-16 2012-08-15 大阪瓦斯株式会社 Engine and spark plug for engine
CN201937165U (en) * 2010-12-28 2011-08-17 李忠尧 Bow-shaped multi-point dazzle fire side electrode spark plug
CN102623896A (en) * 2012-04-20 2012-08-01 张蝶儿 Spark plug
CN202840241U (en) * 2012-08-10 2013-03-27 张蝶儿 Spark plug
CN203056372U (en) * 2013-01-12 2013-07-10 谭松林 Lateral electrode of spark plug
CN203119292U (en) * 2013-02-07 2013-08-07 张蝶儿 Spark plug

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB119419A (en) * 1918-01-14 1918-10-03 Henri Victor Jules Jouffret Improvements relating to Sparking Plugs for Internal Combustion Engines.
US4442807A (en) * 1979-04-21 1984-04-17 Robert Bosch Gmbh Method for igniting lean fuel-air mixtures and an apparatus to perform the method
JPH01294390A (en) * 1988-05-21 1989-11-28 Bandou Kiko Kk Spark plug
CN2678214Y (en) * 2004-01-19 2005-02-09 金战神有限公司 Sparking plug
JP2007035570A (en) * 2005-07-29 2007-02-08 Denso Corp Spark plug and combustion engine
CN203434439U (en) * 2013-08-21 2014-02-12 张蝶儿 Spark plug and spark-plug-using igniting system of internal combustion engine

Cited By (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106549304A (en) * 2015-09-21 2017-03-29 张蝶儿 A kind of spark plug
CN106549305A (en) * 2015-09-21 2017-03-29 张蝶儿 A kind of spark plug
CN106549307A (en) * 2015-09-21 2017-03-29 张蝶儿 A kind of spark plug
CN106549303A (en) * 2015-09-21 2017-03-29 张蝶儿 A kind of spark plug
CN106549305B (en) * 2015-09-21 2019-02-05 张蝶儿 A kind of spark plug
CN106549307B (en) * 2015-09-21 2019-02-05 张蝶儿 A kind of spark plug
CN106549304B (en) * 2015-09-21 2019-02-05 张蝶儿 A kind of spark plug
CN108023276A (en) * 2017-08-08 2018-05-11 应用太空科技有限公司 A kind of spark plug
CN108023276B (en) * 2017-08-08 2020-04-28 应用太空科技有限公司 Spark plug
US11885900B2 (en) 2019-01-10 2024-01-30 Technische Universität München Method and system for tracking a mobile device
CN112490853A (en) * 2020-11-27 2021-03-12 陕西航空电气有限责任公司 Ignition electric nozzle of engine

Also Published As

Publication number Publication date
CN104426057B (en) 2017-05-10
WO2015024516A1 (en) 2015-02-26
WO2015024292A1 (en) 2015-02-26

Similar Documents

Publication Publication Date Title
CN103746291B (en) A kind of spark plug
CN104426057A (en) Spark plug, and ignition system of internal combustion engine using same
CN103779788B (en) A kind of spark plug and use the ignition system of internal combustion engine of this spark plug
JP2008523547A (en) Spark plug
CN203434439U (en) Spark plug and spark-plug-using igniting system of internal combustion engine
CN104767123A (en) Spark plug
CN202840241U (en) Spark plug
CN103956654A (en) Sparking plug
CN203434440U (en) Spark plug
CN203218710U (en) Efficient ignition spark plug
CN203826770U (en) Spark plug and igniting system of internal combustion engine using spark plug
CN203826769U (en) Spark plug
CN204597221U (en) A kind of spark plug
CN104421091A (en) Ignition system of internal combustion engine and method for installing spark plug in combustion chamber
CN103259195B (en) Spark plug capable of sparking efficiently
CN106549307B (en) A kind of spark plug
CN105119144A (en) Novel spark plug
CN203430683U (en) Ignition system of internal combustion engine
CN203119294U (en) Spark plug and fire guide part thereof
CN106549304B (en) A kind of spark plug
RU74524U1 (en) SPARK PLUG
CN203119293U (en) Spark plug and fire guide unit
CN205070158U (en) Spark plug
CN106549303B (en) A kind of spark plug
CN204012190U (en) A kind of spark plug

Legal Events

Date Code Title Description
C06 Publication
PB01 Publication
C10 Entry into substantive examination
SE01 Entry into force of request for substantive examination
GR01 Patent grant
GR01 Patent grant