CN108336644B - Multiple gap spark plug - Google Patents
Multiple gap spark plug Download PDFInfo
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- CN108336644B CN108336644B CN201810343121.4A CN201810343121A CN108336644B CN 108336644 B CN108336644 B CN 108336644B CN 201810343121 A CN201810343121 A CN 201810343121A CN 108336644 B CN108336644 B CN 108336644B
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- electrode
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- spark plug
- ceramic insulator
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01T—SPARK GAPS; OVERVOLTAGE ARRESTERS USING SPARK GAPS; SPARKING PLUGS; CORONA DEVICES; GENERATING IONS TO BE INTRODUCED INTO NON-ENCLOSED GASES
- H01T13/00—Sparking plugs
- H01T13/46—Sparking plugs having two or more spark gaps
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01T—SPARK GAPS; OVERVOLTAGE ARRESTERS USING SPARK GAPS; SPARKING PLUGS; CORONA DEVICES; GENERATING IONS TO BE INTRODUCED INTO NON-ENCLOSED GASES
- H01T13/00—Sparking plugs
- H01T13/20—Sparking plugs characterised by features of the electrodes or insulation
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Abstract
The utility model proposes a multiple gap spark plug comprising: a metal housing; the metal shell is fixed in the middle of the ceramic insulator; a side electrode provided on the metal case; the central electrode is arranged on the ceramic insulator, the upper end of the central electrode protrudes upwards from the upper surface of the ceramic insulator, and the side electrodes are mutually spaced from the central electrode; the first neutral electrode is arranged on the ceramic insulator and is positioned between the side electrode and the central electrode, wherein a first gap is formed between the first neutral electrode and the side electrode, a second gap is formed between the first neutral electrode and the central electrode, the first gap is smaller than the second gap, and the value range of the first gap is larger than 0 mm and smaller than 0.25 mm. According to the multi-gap spark plug provided by the embodiment of the utility model, the gap arrangement is reasonable, and the service life of the multi-gap spark plug can be prolonged.
Description
Technical Field
The utility model relates to the technical field of spark plugs, in particular to a double-gap spark plug.
Background
The spark plug is the heart of the engine. The spark plug is used for introducing high-voltage power provided by an ignition coil (high-voltage package) into a cylinder of the engine to generate electric spark, igniting combustible gas fuel and pushing a piston to move so as to enable the engine to run.
The common spark plug consists of a ceramic insulator, a center electrode, a metal shell, a side electrode on the metal shell, a binding post, an internal resistor, a sealing gasket and the like. The metal shell of the spark plug is screwed on the engine cylinder body, the engine cylinder body is connected with the negative electrode of the automobile storage battery, the metal shell of the spark plug and the side electrode on the metal shell are the negative electrode, and the central electrode of the spark plug is the positive electrode. The high voltage electricity generates an electric spark between the spark plug side electrode and the center electrode, which breaks down the combustible gaseous fuel.
The gap of the spark plug refers to the shortest distance between the positive electrode (center electrode) and the negative electrode (side electrode) of the spark plug, and is also the theoretical distance and path of discharge. Common spark plug gap values are between 0.6 mm and 1.5 mm. Common spark plugs have one or more side electrodes that are used in turn to extend the useful life of the spark plug. The spark plug can only perform one ignition every time, each ignition is an electric spark, and the energy of one electric spark can be exerted only in a limited way due to the extremely short time of one ignition, so that the combustion efficiency is difficult to ensure.
In order to improve the combustion efficiency of the spark plug, the innovative spark plug has a multi-gap and multi-spark plug, for example, the prior utility model patent ZL201620658999.3 of the inventor is a two-spark plug.
Disclosure of Invention
The applicant of the present utility model has found that the ignition energy of the spark plug is provided by an ignition coil (high voltage package), and generally, the ignition energy provided to the spark plug by the ignition coil (high voltage package) is fixed without changing the ignition coil (high voltage package), and the energy does not become more or less by air. The firing voltage and gap size of a spark plug are closely related, with common spark plug gap values between 0.6 mm and 1.5 mm. The ignition voltage is proportional to the gap distance between the positive electrode and the negative electrode of the spark plug, and the torque generated by the engine after ignition is proportional to the ignition voltage.
The ignition voltage is high when the gap is large, the ignition combustion effect is good, the ignition voltage is low when the gap is small, the ignition combustion effect is poor, and the gap is too large, so that the ignition is difficult. The gap of the spark plug must be appropriately sized according to the particular engine-related characteristics. The same applies to a multiple gap spark plug.
The multiple gap spark plug has 2 or more gaps, so that the combination of gap values becomes various, namely, whether the combination is a large and small combination, a large and large combination or a small and small combination, and different combinations have different performance results. The gap value is too small, the ignition voltage is low, the combustion effect is poor, the gap value is too large, the ignition is difficult to succeed, and the fire rate is high. In particular, complex gap arrangement is not reasonable, and complex gap spark plugs are not easy to successfully ignite, namely the defect of short service life.
The present utility model aims to solve at least one of the technical problems in the related art to some extent.
Therefore, one purpose of the utility model is to provide a multi-gap spark plug with reasonable gap arrangement, which can prolong the service life of the multi-gap spark plug.
A multiple gap spark plug according to one embodiment of the present utility model includes:
a metal housing;
the metal shell is fixed in the middle of the ceramic insulator;
a side electrode provided on the metal case;
a center electrode provided on the ceramic insulator with an upper end thereof protruding upward from an upper surface of the ceramic insulator, the side electrode being spaced apart from the center electrode;
the first neutral electrode is arranged on the ceramic insulator and is positioned between the side electrode and the center electrode, a first gap is formed between the first neutral electrode and the side electrode, a second gap is formed between the first neutral electrode and the center electrode, and the first gap is smaller than the second gap and the value range of the first gap is larger than 0 mm and smaller than 0.25 mm.
Advantageously, the first neutral electrode is a metal electrode or a semiconductor electrode.
Advantageously, the first neutral electrode is not in contact with the side electrode and the first neutral electrode is not in contact with the central electrode.
A multiple gap spark plug according to another embodiment of the present utility model includes:
a metal housing;
the metal shell is fixed in the middle of the ceramic insulator;
a side electrode provided on the metal case;
a center electrode provided on the ceramic insulator with an upper end thereof protruding upward from an upper surface of the ceramic insulator, the side electrode being spaced apart from the center electrode;
the second neutral electrode and the third neutral electrode are arranged on the ceramic insulator at intervals and are positioned between the side electrode and the center electrode, wherein a third gap is reserved between the second neutral electrode and the side electrode, a fourth gap is reserved between the second neutral electrode and the third center electrode, a fifth gap is reserved between the third neutral electrode and the center electrode, the third gap is smaller than the fourth gap and smaller than the fifth gap, and the value range of the third gap is larger than 0 mm and smaller than 0.25 mm.
Advantageously, the second neutral electrode is a metal electrode or a semiconductor electrode and the third neutral electrode is a metal electrode or a semiconductor electrode.
Advantageously, the second neutral electrode is not in contact with the third neutral electrode, the second neutral electrode is not in contact with the side electrode and the second neutral electrode is not in contact with the center electrode, the third neutral electrode is not in contact with the side electrode and the third neutral electrode is not in contact with the center electrode.
A multiple gap spark plug according to yet another embodiment of the present utility model includes:
a metal housing;
the metal shell is fixed in the middle of the ceramic insulator;
a side electrode provided on the metal case;
a center electrode provided on the ceramic insulator with an upper end thereof protruding upward from an upper surface of the ceramic insulator, the side electrode being spaced apart from the center electrode;
and the fourth neutral electrode is arranged on the ceramic insulator and is positioned between the side electrode and the central electrode, a sixth gap is formed between the fourth neutral electrode and the side electrode, a seventh gap is formed between the fourth neutral electrode and the central electrode, the seventh gap is smaller than the sixth gap, and the value range of the seventh gap is larger than 0 mm and smaller than 0.25 mm.
Advantageously, the fourth neutral electrode is a metal electrode or a semiconductor electrode.
Advantageously, the fourth neutral electrode is not in contact with the side electrode and the fourth neutral electrode is not in contact with the central electrode.
A multiple gap spark plug according to yet another embodiment of the present utility model includes:
a metal housing;
the metal shell is fixed in the middle of the ceramic insulator;
a side electrode provided on the metal case;
a center electrode provided on the ceramic insulator with an upper end thereof protruding upward from an upper surface of the ceramic insulator, the side electrode being spaced apart from the center electrode;
the fifth neutral electrode and the sixth neutral electrode are arranged on the ceramic insulator at intervals and are positioned between the side electrode and the center electrode, wherein the fifth neutral electrode is close to the center electrode, an eighth gap is reserved between the fifth neutral electrode and the center electrode, a ninth gap is reserved between the fifth neutral electrode and the sixth center electrode, the sixth neutral electrode is close to the side electrode, a tenth gap is reserved between the sixth neutral electrode and the side electrode, the eighth gap is smaller than the ninth gap, the eighth gap is smaller than the tenth gap, and the value range of the eighth gap is larger than 0 mm and smaller than 0.25 mm.
Advantageously, the fifth neutral electrode is a metal electrode or a semiconductor electrode and the sixth neutral electrode is a metal electrode or a semiconductor electrode.
Advantageously, the fifth neutral electrode is not in contact with the sixth neutral electrode, the fifth neutral electrode is not in contact with the side electrode and the fifth neutral electrode is not in contact with the center electrode, the sixth neutral electrode is not in contact with the side electrode and the sixth neutral electrode is not in contact with the center electrode.
Additional aspects and advantages of the utility model will be set forth in part in the description which follows, and in part will be obvious from the description, or may be learned by practice of the utility model.
Drawings
FIG. 1 is a schematic view of a conventional spark plug of the related art;
FIG. 2 is a top view of FIG. 1;
FIG. 3 is a schematic illustration of a multiple gap spark plug according to one embodiment of the present utility model;
FIG. 4 is a top view of FIG. 3;
FIG. 5 is a schematic illustration of a multiple gap spark plug according to another embodiment of the present utility model;
FIG. 6 is a top view of FIG. 5;
FIG. 7 is a schematic view of a multiple gap spark plug according to yet another embodiment of the present utility model;
FIG. 8 is a top view of FIG. 7;
FIG. 9 is a schematic view of a multiple gap spark plug according to yet another embodiment of the present utility model;
fig. 10 is a top view of fig. 9.
Detailed Description
Embodiments of the present utility model are described in detail below, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to like or similar elements or elements having like or similar functions throughout. The embodiments described below by referring to the drawings are illustrative and intended to explain the present utility model and should not be construed as limiting the utility model.
A multiple gap spark plug according to an embodiment of the present utility model is described in detail below with reference to the accompanying drawings.
It should be noted that, in the following description, "gap" refers to a minimum distance between two electrodes; the "double gap" means that two gaps are formed between the side electrode and the center electrode by providing one neutral electrode, or three gaps are formed between the side electrode and the center electrode by providing two neutral electrodes between the side electrode and the center electrode.
The double gap is formed (from a top view) by two or three line segments which are not necessarily in the same line (for example, a folding line may be formed), and the free ends of the upper electrode, the center electrode and the neutral electrode are not necessarily in the same horizontal plane in space. In other words, the spatial positions of the side electrode, the center electrode and the neutral electrode are not particularly limited in the present utility model as long as the "gap" therebetween meets the following description, which will be understood by those skilled in the art.
As shown in fig. 1 and 2, the conventional spark plug includes a side electrode 100 and a center electrode 200 disposed at a distance, the side electrode 100 and the center electrode 200 have a gap 1200, and the gap 1200 has a value ranging from 0.6 mm to 1.5 mm as described above.
As shown in fig. 3 and 4, a multiple gap spark plug according to one embodiment of the present utility model includes: a metal shell (not shown), a ceramic insulator (not shown), a side electrode 100, a center electrode 200, and a first neutral electrode 301.
Specifically, the metal shell is fixed in the middle of the ceramic insulator.
The side electrode 100 is provided on the metal case.
The center electrode 200 is provided on the ceramic insulator and an upper end of the center electrode 200 protrudes upward from an upper surface of the ceramic insulator, and the side electrode 100 is spaced apart from the center electrode 200.
The first neutral electrode 301 is provided on the ceramic insulator and is located between the side electrode 100 and the center electrode 200. The first neutral electrode 301 and the side electrode 100 have a first gap 1301 therebetween, the first neutral electrode 300 and the center electrode 200 have a second gap 2301 therebetween, the first gap 1301 is smaller than the second gap 2301, and the value range of the first gap 1301 is greater than 0 mm and less than 0.25 mm. In other words, the first neutral electrode 301 is adjacent to the side electrode 100.
Advantageously, the first neutral electrode 301 is a metal electrode or a semiconductor electrode. Advantageously, the first neutral electrode 301 is not in contact with the side electrode 100 and the first neutral electrode 301 is not in contact with the central electrode 200.
According to one embodiment of the present utility model, the first gap is provided to make the distance between the side electrode and the first neutral electrode close, so as to enhance the electric field strength, and the higher the electric field strength, the higher the tendency of high-voltage breakdown and the higher the breakdown speed. The second gap is arranged to provide proper gap distance, so that the ignition voltage is kept at a proper and reasonable high voltage value, and the ignition combustion effect is good. The range of the first gap is limited to be more than 0 mm and less than 0.25 mm, and when the second gap is more than the first gap, the ignition combustion effect is best, and the service life of the spark plug can be relatively prolonged.
As shown in fig. 5 and 6, a multiple gap spark plug according to another embodiment of the present utility model includes: a metal housing (not shown), a ceramic insulator (not shown), a side electrode 100, a center electrode 200, a second neutral electrode 302, and a third neutral electrode 303.
And the metal shell is fixed in the middle of the ceramic insulator.
The side electrode 100 is provided on the metal case.
The center electrode 200 is provided on the ceramic insulator and an upper end of the center electrode 200 protrudes upward from an upper surface of the ceramic insulator, and the side electrode 100 is spaced apart from the center electrode 200.
The second neutral electrode 302 and the third neutral electrode 303 are arranged on the ceramic insulator at intervals and are positioned between the side electrode 100 and the central electrode 200, wherein the second neutral electrode 302 is close to the side electrode 100, a third gap 1302 is formed between the second neutral electrode 302 and the side electrode 100, a fourth gap 3023 is formed between the second neutral electrode 302 and the third central electrode 303, the third neutral electrode 303 is close to the central electrode 200, a fifth gap 2303 is formed between the third neutral electrode 303 and the central electrode 200, the third gap 1302 is smaller than the fourth gap 3023 and the third gap 1302 is smaller than the fifth gap 2303, and the value of the third gap 1302 is in the range of more than 0 mm and less than 0.25 mm. In other words, the second neutral electrode 302 is more adjacent to the side electrode 100.
Advantageously, the second neutral electrode 302 is a metal electrode or a semiconductor electrode and the third neutral electrode 303 is a metal electrode or a semiconductor electrode. Advantageously, the second neutral electrode 302 and the third neutral electrode 303 are not in contact with each other, the second neutral electrode 302 is not in contact with the side electrode 100 and the second neutral electrode 302 is not in contact with the center electrode 200, the third neutral electrode 303 is not in contact with the side electrode 100 and the third neutral electrode 303 is not in contact with the center electrode 200.
According to the complex gap spark plug provided by the embodiment of the utility model, the third gap is arranged to enable the distance between the side electrode and the second neutral electrode to be close, so that the electric field strength is enhanced, and the higher the electric field strength is, the higher the tendency of high-voltage electric breakdown is, and the higher the breakdown speed is. The fourth gap and the fifth gap are arranged to provide proper gap distance, so that the ignition voltage is kept at proper and reasonable high voltage value, and the ignition combustion effect is good. And the range of the third gap is limited to be more than 0 mm and less than 0.25 mm, and when the fourth gap and the fifth gap are both more than the third gap, the ignition combustion effect is best, and the service life of the spark plug can be relatively prolonged.
As shown in fig. 7 and 8, a multiple gap spark plug according to still another embodiment of the present utility model includes: a metal shell (not shown), a ceramic insulator (not shown), a side electrode 100, a center electrode 200, and a fourth neutral electrode 304.
And the metal shell is fixed in the middle of the ceramic insulator.
The side electrode 100 is provided on the metal case.
The center electrode 200 is provided on the ceramic insulator and an upper end of the center electrode 200 protrudes upward from an upper surface of the ceramic insulator, and the side electrode 100 is spaced apart from the center electrode 200.
The fourth neutral electrode 304 is disposed on the ceramic insulator and is located between the side electrode 100 and the center electrode 200, wherein a sixth gap 1304 is provided between the fourth neutral electrode 304 and the side electrode 100, a seventh gap 2304 is provided between the fourth neutral electrode 304 and the center electrode 200, the seventh gap 2304 is smaller than the sixth gap 1304, and the value range of the seventh gap 2304 is greater than 0 mm and less than 0.25 mm. In other words, the fourth neutral electrode 304 is adjacent to the center electrode 200.
Advantageously, the fourth neutral electrode 304 is a metal electrode or a semiconductor electrode. Advantageously, the fourth neutral electrode 304 is not in contact with the side electrode 100 and the fourth neutral electrode 304 is not in contact with the center electrode 200.
According to the complex gap spark plug provided by the embodiment of the utility model, the seventh gap is arranged to enable the distance between the center electrode and the fourth neutral electrode to be short, so that the electric field strength is enhanced, and the higher the electric field strength is, the higher the tendency of high-voltage electric breakdown is, and the higher the breakdown speed is. The sixth gap is provided to provide a proper gap distance, so that the ignition voltage is kept at a proper and reasonable high voltage value, and the ignition combustion effect is good. And the range of the seventh gap is limited to be more than 0 mm and less than 0.25 mm, and when the sixth gap is more than the seventh gap, the ignition combustion effect is best, and the service life of the spark plug can be relatively prolonged.
As shown in fig. 9 and 10, a multiple gap spark plug according to still another embodiment of the present utility model includes: a metal shell (not shown), a ceramic insulator (not shown), a side electrode 100, a center electrode 200, a fifth neutral electrode 305, and a sixth neutral electrode 306.
And the metal shell is fixed in the middle of the ceramic insulator.
The side electrode 100 is provided on the metal case.
The center electrode 200 is provided on the ceramic insulator and an upper end of the center electrode 200 protrudes upward from an upper surface of the ceramic insulator, and the side electrode 100 is spaced apart from the center electrode 200.
The fifth neutral electrode 305 and the sixth neutral electrode 306 are arranged on the ceramic insulator at intervals and are positioned between the side electrode 100 and the center electrode 200, wherein the fifth neutral electrode 305 is close to the center electrode 200, an eighth gap 2305 is arranged between the fifth neutral electrode 305 and the center electrode 200, a ninth gap 3056 is arranged between the fifth neutral electrode 305 and the sixth center electrode 306, the sixth neutral electrode 306 is close to the side electrode 100, a tenth gap 1306 is arranged between the sixth neutral electrode 306 and the side electrode 100, the eighth gap 2305 is smaller than the ninth gap 3056 and the eighth gap 2305 is smaller than the tenth gap 1306, and the value range of the eighth gap 2305 is larger than 0 mm and smaller than 0.25 mm. In other words, the fifth neutral electrode 305 is more adjacent to the center electrode 200.
Advantageously, the fifth neutral electrode 305 is a metal or semiconductor electrode and the sixth neutral electrode 306 is a metal or semiconductor electrode. Advantageously, the fifth neutral electrode 305 and the sixth neutral electrode 306 are not in contact with each other, the fifth neutral electrode 305 is not in contact with the side electrode 100 and the fifth neutral electrode 305 is not in contact with the center electrode 200, the sixth neutral electrode 306 is not in contact with the side electrode 100 and the sixth neutral electrode 306 is not in contact with the center electrode 200.
According to the complex gap spark plug provided by the embodiment of the utility model, the eighth gap is arranged to enable the distance between the center electrode and the fifth neutral electrode to be short, so that the electric field strength is enhanced, and the higher the electric field strength is, the higher the tendency of high-voltage electric breakdown is, and the higher the breakdown speed is. The ninth gap and the tenth gap are arranged to provide proper gap distance, so that the ignition voltage is kept at proper and reasonable high voltage value, and the ignition combustion effect is good. And the range of the eighth gap is limited to be more than 0 mm and less than 0.25 mm, and when the ninth gap and the tenth gap are both more than the eighth gap, the ignition combustion effect is best, and the service life of the spark plug can be relatively prolonged.
The shape of the neutral electrode is not limited, and includes, but is not limited to, dot, needle, stripe, irregular, ring, and the like. For convenience of understanding, the electrodes are indicated by stripes in the drawings (in which the electrodes are indicated by circles in a plan view), and the positional relationship between the electrodes is merely shown in the drawings and is not to be construed as limiting the shape of the electrodes. In addition, the present utility model relates only to improvement in the positional relationship between electrodes, and thus other components of the spark plug are not shown in the drawings.
In the description of the present utility model, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings are merely for convenience in describing the present utility model and simplifying the description, and do not indicate or imply that the device or element being referred to must have a specific orientation, be configured and operated in a specific orientation, and therefore should not be construed as limiting the present utility model.
Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include one or more such feature. In the description of the present utility model, the meaning of "plurality" is two or more unless specifically defined otherwise.
In the present utility model, unless explicitly specified and limited otherwise, the terms "mounted," "connected," "secured," and the like are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communicated with the inside of two elements or the interaction relationship of the two elements. The specific meaning of the above terms in the present utility model can be understood by those of ordinary skill in the art according to the specific circumstances.
In the present utility model, unless expressly stated or limited otherwise, a first feature "up" or "down" a second feature may be the first and second features in direct contact, or the first and second features in indirect contact via an intervening medium. Moreover, a first feature being "above," "over" and "on" a second feature may be a first feature being directly above or obliquely above the second feature, or simply indicating that the first feature is level higher than the second feature. The first feature being "under", "below" and "beneath" the second feature may be the first feature being directly under or obliquely below the second feature, or simply indicating that the first feature is less level than the second feature.
In the description of the present specification, a description referring to terms "one embodiment," "some embodiments," "examples," "specific examples," or "some examples," etc., means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the present utility model. In this specification, schematic representations of the above terms are not necessarily directed to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples. Furthermore, the different embodiments or examples described in this specification and the features of the different embodiments or examples may be combined and combined by those skilled in the art without contradiction.
While embodiments of the present utility model have been shown and described above, it should be understood that the above embodiments are illustrative and not to be construed as limiting the utility model, and that variations, modifications, alternatives, and variations may be made to the above embodiments by one of ordinary skill in the art within the scope of the utility model.
Claims (1)
1. A multiple gap spark plug comprising:
a metal housing;
the metal shell is fixed in the middle of the ceramic insulator;
a side electrode provided on the metal case;
a center electrode provided on the ceramic insulator with an upper end thereof protruding upward from an upper surface of the ceramic insulator, the side electrode being spaced apart from the center electrode;
the second neutral electrode and the third neutral electrode are arranged on the ceramic insulator at intervals and are positioned between the side electrode and the center electrode, wherein the second neutral electrode is close to the side electrode, a third gap is formed between the second neutral electrode and the side electrode, a fourth gap is formed between the second neutral electrode and the third neutral electrode, a fifth gap is formed between the third neutral electrode and the center electrode, the third gap is smaller than the fourth gap, the third gap is smaller than the fifth gap, and the value range of the third gap is larger than 0 mm and smaller than 0.25 mm;
the second neutral electrode is a metal electrode or a semiconductor electrode, and the third neutral electrode is a metal electrode or a semiconductor electrode;
the second neutral electrode is not in contact with the third neutral electrode, the second neutral electrode is not in contact with the side electrode and the second neutral electrode is not in contact with the center electrode, the third neutral electrode is not in contact with the side electrode and the third neutral electrode is not in contact with the center electrode.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810343121.4A CN108336644B (en) | 2018-04-17 | 2018-04-17 | Multiple gap spark plug |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810343121.4A CN108336644B (en) | 2018-04-17 | 2018-04-17 | Multiple gap spark plug |
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| CN108336644A CN108336644A (en) | 2018-07-27 |
| CN108336644B true CN108336644B (en) | 2023-08-18 |
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| CN201810343121.4A Active CN108336644B (en) | 2018-04-17 | 2018-04-17 | Multiple gap spark plug |
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2297812Y (en) * | 1997-03-26 | 1998-11-18 | 田永志 | Multipolar sparking plug |
| US8269405B1 (en) * | 2011-06-29 | 2012-09-18 | Calvin Wang | Neutral electrode spark plug |
| CN102780160A (en) * | 2012-05-29 | 2012-11-14 | 张景明 | High energy spark plug |
| TW201742343A (en) * | 2016-05-23 | 2017-12-01 | 羅森伯格高頻科技公司 | Spark plug for a high-frequency ignition system |
| CN208045936U (en) * | 2018-04-17 | 2018-11-02 | 上海极燃汽车科技有限公司 | Multiple gap spark plug |
-
2018
- 2018-04-17 CN CN201810343121.4A patent/CN108336644B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2297812Y (en) * | 1997-03-26 | 1998-11-18 | 田永志 | Multipolar sparking plug |
| US8269405B1 (en) * | 2011-06-29 | 2012-09-18 | Calvin Wang | Neutral electrode spark plug |
| CN102780160A (en) * | 2012-05-29 | 2012-11-14 | 张景明 | High energy spark plug |
| TW201742343A (en) * | 2016-05-23 | 2017-12-01 | 羅森伯格高頻科技公司 | Spark plug for a high-frequency ignition system |
| CN208045936U (en) * | 2018-04-17 | 2018-11-02 | 上海极燃汽车科技有限公司 | Multiple gap spark plug |
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| Publication number | Publication date |
|---|---|
| CN108336644A (en) | 2018-07-27 |
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