CN101895063A - The spark plug of gasoline engine that many sides and many foldings gap are arranged - Google Patents
The spark plug of gasoline engine that many sides and many foldings gap are arranged Download PDFInfo
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- CN101895063A CN101895063A CN2010102159353A CN201010215935A CN101895063A CN 101895063 A CN101895063 A CN 101895063A CN 2010102159353 A CN2010102159353 A CN 2010102159353A CN 201010215935 A CN201010215935 A CN 201010215935A CN 101895063 A CN101895063 A CN 101895063A
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Abstract
The spark plug of gasoline engine that many sides and many foldings gap are arranged has for example a kind of electrode (12) that many sides and many foldings gap are arranged of multiple improvement electrode, and the middle part has many foldings gap (18), the favourable discharge channel of opening, and easily make many foldings gap that more multi-hop fire is arranged; And for example improve electrode for the electrode (21) of many sides and many gaps (grid sheet grid) is arranged, transverse features is a multi-disc, helps forming grid sheet grid point battle array effect, thereby increases the possibility of electricity fire nuclear and cydariform discharge; And to improve electrode especially be that the round basin of side and the electrode (22) that acute angle star is dug at the middle part are arranged, and it is characterized in that having the round basin of side and middle part to dig acute angle star; There is basin shape promptly not only end face to be arranged but also the side is arranged, thereby added the front of sideflash; Pentalpha has been dug at its middle part, help the wedge effect of discharging gap and point discharge effect and form asymmetric multipoint random discharge channel, help increasing the possibility of discharge and remove carbon deposit, the electrode of acute angle star helps the continuity of electric spark effect and the distortion of the spark sharp side due to the turbulent flow, molecule interpenetrates, the probability increase that turbulent flow speed increases and catches fire.Described various improvement electrode, when practicality more or less will according to different type particularly the angle of ignition come pilot to select for use.
Description
Technical field
The present invention relates to the igniter in a kind of combustion apparatus, the spark plug of gasoline engine in many sides and many foldings gap is especially arranged, belong to the technical field of the spark plug of ignition internal combustion engine.
Background technology
The igniter that is used for combustion apparatus, especially gasoline motor spark plug are widely used in the high voltage pulse electric current is introduced into the combustion chamber, and make the gaseous mixture sparking of inspiration cylinder and light, and then diffusion combustion and break out work done.The outside coupling of existing spark plug and having between the spark cap of rubber jar has the loose diffusing phenomenon of pine sometimes.Resistance is made though be provided with glass-sealing agent in the inside of existing spark plug, and impedance is only arranged; If add induction reactance and capacitive reactance, form suitable R CL loop, then have the effect of better inhibition radio interference.Multiple tracks umbrella rib on the insulator also can be improved to saw-tooth shaped cross section by semi-circular cross-section, better blocks rubber jar so that the creepage passage of more insulation reaches.The heat radiation of the metal shell of existing spark plug also can further improve.The electrode of existing spark plug is well imagined, easy knot charcoal is arranged, and easily ablates single-point arcing, the shortcoming of low temperature difficult point.Described problem is a hard nut to crack.In order to remedy a kind of igniter that is used for combustion apparatus, especially the shortcoming of operating state due to the existing mechanism of gasoline motor spark plug, the invention provides a kind of special improvement of gasoline motor spark plug, the method that the electrode in many sides and many foldings gap is promptly arranged is so that improve the present situation of spark plug.
Summary of the invention
The technical solution used in the present invention is:
A kind of igniter that is used for combustion apparatus, especially gasoline motor spark plug reaches outer calibration high pressure hookup with interior induction reactance, be used for anti-High-frequency Interference and the anti-spark plug of pegging graft and getting loose, by having calibration (1a), zigzag umbrella rib (1c), the outer calibration high pressure coupling (1) of fixing hole (1b) and internal thread, pad (2), the insulator (3) of the multiple tracks umbrella rib in band saw profile of tooth cross section, the interior induction reactance of a threaded end (4) and the threaded other end (4b) and inductance coil (15), the shell (5) of band heat radiation wing, S shape retaining washer (6), the glass-sealing agent (7) that contains resistance, embed steel core (8), discharge electrode bar (9) is subjected to electrode tie rod (10), discharge cartridge (11) is formed by electrode tip (12); The described calibration (1a) that has, zigzag umbrella rib (1c), the feature of the outer calibration high pressure coupling (1) of fixing hole (1b) and internal thread is: the described calibration (1a) that has is by equal calibration fluting on the electric conductor of described coupling (1); At least open a groove, or multiple-grooved; Preferably the number of multiple-grooved is by the degree value; For example, the number of degrees of certain spark plug are 6, and the number of then slotting is 6; The number of degrees of certain spark plug are 7, and the number of then slotting is 7.Though the number of degrees of the calorific value of general spark plug are divided into 5-13 by the difference of engine by the internal structure of spark plug, the big more just near more cold mould of numerical value, the engine that is fit to high rotating speed high compression ratio uses; The more little just near-thermal type more of numerical value, the engine that is fit to low compression ratio uses; But difficult appearance from spark plug is judged, or is easily obscured.The beneficial effect of slotting on the electric conductor of the coupling of spark plug has two, one, makes the selecting for use of the number of degrees of the calorific value of spark plug be difficult for obscuring, and the 2nd, make the coupling of the latch capitiform of original Dan Yuan make the latch effect better owing to fluting becomes claw type.The electric conductor of the fluting of described coupling (1) is to be inserted with in and the electrically conductive socket in cap that link to each other with the high pressure external connection of spark cap of rubber or plastic insulation shell.
The described calibration (1a) that has, zigzag umbrella rib (1c), the further feature of the outer calibration high pressure coupling (1) of fixing hole (1b) and internal thread is: described zigzag umbrella rib (1c), as Fig. 5, Fig. 6 and Fig. 9, shown in Figure 10, the zigzag in the outer part and the angle of axis are more slow, more easily insert in order to the socket of spark cap; And the angle of zigzag in the inner part and axis is bigger, is difficult for deviating from order to the socket of spark cap.As Fig. 5, Fig. 6 and Fig. 7, Fig. 8, shown in Figure 9, described groove depth is half of coupling length overall; Fixing hole (1b) is located at i.e. in the inner part the end of the end of not slotting, so that knock fixing.The internal thread of described coupling (1d), as Fig. 6, Figure 1 and Figure 2, link with a threaded end (4), and the insulator (3) of the multiple tracks umbrella rib in setting-up piece (2) and band saw profile of tooth cross section, and the interior induction reactance of a threaded end (4) and the threaded other end (4b) and inductance coil (15); A threaded end (4) links to each other with inductance coil (15); Inductance coil (15) links to each other with the threaded other end (4b); The glass-sealing agent (7) of the threaded other end (4b) by containing resistance, with embedding steel core (8), discharge electrode bar (9) links to each other.Described (4), part (15), part (7), part (8), part (9) insulated body (3) particularly ceramic body surrounds, just meeting coupling capacitive reactance mutually, described resistance and inductance have the effect of connection in series-parallel RCL equivalent electric circuit, and allotment suitably just has the effect of anti-radio interference.Embed steel core (8) and insert discharge electrode bar (9), in order to gaining in strength and heat conduction.Discharge electrode bar (9) or participate in discharge directly, or link to each other with discharge cartridge (11) that special special material is made.Be subjected to electrode tie rod (10) at least one or a plurality of, or participate in discharge directly, or link to each other with the electrode tip (12) that is subjected to that special special material is made, or link to each other with the electrode tip (12) that is subjected to that special special material is made, and install additional and be subjected to electrode tip shell back-up ring (14) through being subjected to electrode tip shell (13).The feature of the insulator (3) of the multiple tracks umbrella rib in described band saw profile of tooth cross section is, the zigzag of described zigzag umbrella rib and the angle of axis are more slow, more easily wraps in order to the rubber or the plastic insulation shell of spark cap; And the angle of zigzag in the inner part and axis is bigger, is difficult for deviating from order to the rubber or the plastic insulation shell of spark cap.The zigzag of described zigzag umbrella rib has than original semicircle umbrella rib and more manys the creepage passage of insulation and can better block rubber jar.The outside of an end of (being inner discharge side) in the inner part of the insulator (3) of the multiple tracks umbrella rib in described band saw profile of tooth cross section is provided with the shell (5) of being with the heat radiation wing, and S shape retaining washer (6).The described feature that is provided with the shell (5) of band heat radiation wing is to be provided with heat radiation wing (5a), heat radiation wing (5b), and heat radiation wing (5c), particularly described heat radiation wing is hexagonal, or circular.The steel material at the position of diffusing hot wing of original spark plug has been cut away in vain, and only deposits less cylindrical in cross section.The invention has the beneficial effects as follows: utilize original steel material, the material that will be cut away is in vain originally kept a part and makes the heat radiation wing.Described heat radiation wing has one at least, or 2,3 or a plurality of.The heat radiation wing be that hexagonal benefit has two, one, be convenient to its on the hex wrench nut process with cutter, the 2nd, box spanner can be inserted in deeper and more when being convenient to install.
As improvement, the present invention improves very cranked electrode (16) of common single ordinary telegram especially; It is characterized in that: described cranked electrode (16), as shown in figure 28, by extension (16a), arc portion (16b), turn of bilge (16c) is formed, and this three part equates with the spacing of discharge electrode, thereby constitute the discharging gap (20) that is subjected to electrode and discharge electrode, and than original front head, helping the absolute quantity increase of the mixed air in the gap and the probability that catches fire increases, and this is another beneficial effect of the present invention.
As improving 2, it is the electrode (12) that many sides and many foldings gap are arranged that the present invention improves electrode especially, as Figure 14 and Fig. 7, Fig. 8, Fig. 9, Figure 10, shown in Figure 11, it is characterized in that not only having aforesaid by extension (16a), arc portion (16b), turn of bilge (16c) is formed, this three part equates with the spacing of discharge electrode, thereby constitutes the discharging gap that is subjected to electrode and discharge electrode, and than original front head's characteristics, also be provided with a plurality of sharp notch (17) especially, be beneficial to discharge; Each is linked to each other with being subjected to electrode (12) by electrode stem (10), is subjected to the middle part of electrode (12) to have many foldings gap (18), helps opening discharge channel.Kind electrode (12) also can be only with half in some combustion chamber, to save material.
As improving 3, it is the electrode (21) that many sides and many gaps are arranged that the present invention improves electrode especially, as Figure 15 and Figure 16, Figure 17, shown in Figure 180, it is characterized in that not only having aforesaid by extension (16a), arc portion (16b), turn of bilge (16c) is formed, this three part equates with the spacing of discharge electrode, thereby constitutes the discharging gap that is subjected to electrode and discharge electrode, and than original front head's characteristics, also be provided with a plurality of sharp notch (17) especially, be beneficial to discharge; Each is subjected to electrode stem and be connected as one by electrode; As shown in figure 18, it is characterized in that: the two ends of making discharging gap (20) at the middle part of the described electrode (21) that many sides and many gaps are arranged have outstanding (19) down, the described bottom of outstanding (19) down is lower than the discharge electrode top, and its use is the front that has added sideflash.The particularly described transverse features that the electrode (21) in many sides and many gaps arranged is a slice at least, or is more than two, for example three.Be preferably multi-disc, in order to forming grid sheet grid point battle array effect, the electricity fire is examined and the possibility of cydariform discharge thereby increase.As improving 4, described have the electrode (21) in many sides and many gaps or remove the single electrode stem that is subjected to, as Figure 26, and Figure 27 and shown in Figure 28, it is characterized in that aforesaid feature is not only arranged, special feature is that the electrode (23) that singly is subjected to the many sides of having of electrode stem and many gaps is arranged.Its usefulness is a material-saving, and easily forms little the trembling of grid sheet grating compartment and favourable carbon deposit and the favourable discharging gap of shrugging off forms discharge channel.
As improving 5, it is that the round basin of side and the electrode (22) that acute angle star is dug at the middle part are arranged that the present invention improves electrode especially, as Figure 19 and Figure 20, and Figure 21, Figure 22, Figure 23 and shown in Figure 24 is characterized in that: have the round basin of side and middle part to dig acute angle star.There is basin shape promptly not only end face to be arranged but also the side is arranged, thereby added the front of sideflash; Acute angle star has been dug at its middle part, or a star, or two stars, or a plurality of star, preferably five-pointed star.Help the wedge effect of discharging gap and point discharge effect and form asymmetric multipoint random discharge channel.Its feature is acute angle particularly, rather than right angle or obtuse angle.
The invention has the beneficial effects as follows that particularly aforesaid five improved beneficial effects are all to help increasing the possibility of discharge and remove carbon deposit.
The present invention is further described below in conjunction with drawings and Examples.
Description of drawings
Fig. 1 is the generalized section that the present invention is used for spark plug.
Fig. 2 is the exploded perspective view that the present invention is used for spark plug.
Fig. 3 is the schematic perspective view of the interior induction reactance of a threaded end (4) and the threaded other end (4b) and inductance coil (15).
Fig. 4 is the schematic diagram of insulator (3) of the multiple tracks umbrella rib in band saw profile of tooth cross section.
Fig. 5 has calibration (1a), zigzag umbrella rib (1c), the schematic perspective view of the outer calibration high pressure coupling (1) of fixing hole (1b) and internal thread.
Fig. 6 has zigzag umbrella rib (1c), and the generalized section of the outer calibration high pressure coupling (1) of internal thread.
Fig. 7 is the generalized section that the electrode (12) in many sides and many foldings gap is arranged.
Fig. 8 is the upward view that the electrode (12) in many sides and many foldings gap is arranged.
Fig. 9 is the schematic perspective view that the electrode (12) in many sides and many foldings gap is arranged.
Figure 10 has the right side of the electrode (12) in many sides and many foldings gap to look schematic diagram.
Figure 11 is the schematic top plan view that the electrode (12) in many sides and many foldings gap is arranged.
Figure 12 is the schematic top plan view of electrode (23) that many sides and many gaps are arranged.
Figure 13 is the profile that the shell (5) of heat radiation wing is arranged.
Figure 14 is the schematic perspective view that the many sides and the spark plug of the electrode (12) in many foldings gap are arranged.
Figure 15 is the schematic perspective view of electrode (21) that many sides and many gaps are arranged.
Figure 16 is the elevational schematic view of the spark plug of electrode (21) that many sides and many gaps are arranged.
Figure 17 is the vertical view of the spark plug of electrode (21) that many sides and many gaps are arranged.
Figure 18 is the elevational schematic view of electrode (21) that many sides and many gaps are arranged.
Figure 19 is the schematic perspective view that the spark plug of the round basin of side and the electrode (22) that acute angle star is dug at the middle part is arranged.
Figure 20 is the elevational schematic view that the spark plug of the round basin of side and the electrode (22) that acute angle star is dug at the middle part is arranged.
Figure 21 is the schematic perspective view that the inside of the round basin of side and the electrode (22) that acute angle star is dug at the middle part is arranged.
Figure 22 is the schematic perspective view that the outside of the round basin of side and the electrode (22) that acute angle star is dug at the middle part is arranged.
Figure 23 has the round basin of side and the upward view of the electrode (22) that acute angle star is dug at the middle part.
Figure 24 has the round basin of side and the vertical view of the electrode (22) that acute angle star is dug at the middle part.
Figure 25 is the schematic perspective view of the spark plug of electrode (23) that many sides and many gaps are arranged.
Figure 26 is the elevational schematic view of the spark plug of electrode (23) that many sides and many gaps are arranged.
Figure 27 is the vertical view of electrode (23) that many sides and many gaps are arranged.
Figure 28 has extension (16a), arc portion (16b), the cutaway view of the cranked electrode (16) of turn of bilge (16c).Among the figure, 1. be to have calibration (1a), zigzag umbrella rib (1c), the outer calibration high pressure coupling (1) of fixing hole (1b) and internal thread (1d); 2. be pad (2); 3. be the insulator (3) of the multiple tracks umbrella rib in band saw profile of tooth cross section; 4. be the interior induction reactance of a threaded end (4) and the threaded other end (4b) and inductance coil (15); 5. be the shell (5) of band heat radiation wing; 6. be S shape retaining washer (6); 7. be the glass-sealing agent (7) that contains resistance; 8. be to embed steel core (8); 9. be discharge electrode bar (9); 10. be to be subjected to electrode tie rod (10); 11. be discharge cartridge (11); 12. be to be subjected to electrode tip (12); 13. be to be subjected to electrode tip shell (13); 14. be to be subjected to electrode tip shell back-up ring (14); 15. be inductance coil (15); 16. be that extension (16a) is arranged, arc portion (16b), the cranked electrode (16) of turn of bilge (16c); 17. be a plurality of sharp notch (17); 18. be many foldings gaps (18); 19. under being outstanding (19); 20. be discharging gap (20); 21. be the electrode (21) that many sides and many gaps are arranged; 22. be that the round basin of side and the electrode (22) that acute angle star is dug at the middle part are arranged; 23. be that the electrode (23) that singly is subjected to the many sides of having of electrode stem and many gaps is arranged.
Embodiment
Respectively assembling successively (and sintered ceramic and welding be subjected to electrode tie rod) has calibration (1a), zigzag umbrella rib (1c), the outer calibration high pressure coupling (1) of fixing hole (1b) and internal thread, pad (2), the insulator (3) of the multiple tracks umbrella rib in band saw profile of tooth cross section, the interior induction reactance of a threaded end (4) and the threaded other end (4b) and inductance coil (15), the shell (5) of band heat radiation wing, S shape retaining washer (6), the glass-sealing agent (7) that contains resistance, embed steel core (8), discharge electrode bar (9) is subjected to electrode tie rod (10), discharge cartridge (11), be subjected to electrode tip (12), be subjected to electrode tip shell (13), be subjected to electrode tip shell back-up ring (14).The described calibration (1a) that has, zigzag umbrella rib (1c) is opened a groove on the electric conductor of the outer calibration high pressure coupling (1) of fixing hole (1b) and internal thread at least, or multiple-grooved; Preferably the number of multiple-grooved is by the degree value; For example, the number of degrees of certain spark plug are 6, and the number of then slotting is 6; The number of degrees of certain spark plug are 7, and the number of then slotting is 7.The electric conductor of the fluting of described coupling (1) being screwed in a threaded end (4) and knock fixing hole (1b) makes spark plug.Spark plug is screwed in the screwed hole of engine, S shape retaining washer (6) is closely fastened.Be inserted with the spark cap of rubber or plastic insulation shell, the electric conductor of coupling (1) and electrically conductive socket cap in that link to each other with the high pressure external connection linked to each other.When to ignition advance angle, electric current is successively by coupling (1), the interior induction reactance of a threaded end (4) and the threaded other end (4b) and inductance coil (15) contains the glass-sealing agent (7) of resistance, embeds steel core (8), discharge electrode bar (9), be subjected to electrode tie rod (10), discharge cartridge (11) is subjected to electrode tip (12), be subjected to electrode tip shell (13), and at discharge cartridge (11) be subjected between electrode tip (12) to discharge.Described (4), part (15), part (7), part (8), part (9) insulated body (3) particularly ceramic body surrounds, just meeting coupling capacitive reactance mutually, described resistance and inductance have the effect of connection in series-parallel RCL equivalent electric circuit, and allotment suitably just has the effect of anti-radio interference.The shell (5) of band heat radiation wing is because of there being the area of dissipation of the heat radiation wing more much bigger than original cylinder, and it is self-evident that its thermal diffusivity is improved to some extent.The described calibration (1a) that has, zigzag umbrella rib (1c), the zigzag umbrella rib (1c) of the outer calibration high pressure coupling (1) of fixing hole (1b) and internal thread, the zigzag in the outer part and the angle of axis are more slow, more easily insert in order to the socket of spark cap; And the angle of zigzag in the inner part and axis is bigger, is difficult for deviating from order to the socket of spark cap.The groove depth of described fluting is the only about half of of coupling length overall; Fluting is different with its effect of not slotting, and is easy to behind the electric conductor fluting that little expansion forms multijaw and the socket of favourable spark cap is difficult for deviating from.Because the described feature that is provided with the shell (5) of band heat radiation wing is to be provided with heat radiation wing (5a), heat radiation wing (5b), heat radiation wing (5c), particularly described heat radiation wing is hexagonal, or circular, so will utilize original steel material, the material that will be cut away is in vain originally kept a part and makes the heat radiation wing as far as possible.Described heat radiation wing has at least one or more.The heat radiation wing can be processed with cutter with the hex wrench nut on it.Box spanner can be inserted in deeper and morely when also being convenient to install, and is difficult for skidding.Because as improving, the present invention improves very cranked electrode (16) of common single ordinary telegram especially; It is characterized in that: described cranked electrode (16), as shown in figure 15, by extension (16a), arc portion (16b), turn of bilge (16c) is formed, and this three part equates with the spacing of discharge electrode, thereby constitutes the discharging gap that is subjected to electrode and discharge electrode, and than original front head, helping the absolute quantity increase of the mixed air in the gap and the probability that catches fire increases.The residual gas at discharging gap place wishes and can clean that mixed air is caught fire easily, and this is bigger to warming-up and low-load performance effect; But do not wish to have strong air-flow directly to rush at discharging gap at ignition point, thereby dispel fire nuclear, increase the cyclical variations rate of in-cylinder pressure, cause even catching fire, and by extension (16a), arc portion (16b), the described cranked electrode (16) that turn of bilge (16c) is formed, beneficial to this; Moreover this cranked electrode also helps the fine setting in gap and the removing of carbon deposit.
As the embodiment 2 that improves 2, because it is the electrode (12) that many sides and many foldings gap are arranged that the present invention improves electrode especially, it not only has aforesaid by extension (16a), arc portion (16b), three parts that turn of bilge (16c) is formed, equate with the spacing of discharge electrode, thereby constitute the discharging gap that is subjected to electrode and discharge electrode, and than original front head, also be provided with a plurality of sharp notch (17) especially, so, in the phase I of spark ignition process is breakdown phase, when helping discharging, make the ion flow that has punctured gaseous mixture, march on towards discharge electrode from being subjected to electrode.Though peak current is big, the time of whole breakdown phase is very short, only is ten microseconds, so a plurality of sharp notch (17) is feasible.Again because each is linked to each other with being subjected to electrode (12) by electrode stem (10), and the middle part that is subjected to electrode (12) has many foldings gap (18), the second stage that helps in the spark ignition process is the electric arc stage, and it is the glow discharge stage in the phase III of spark ignition process, the favourable discharge channel of opening, and easily make many foldings gap that more multi-hop fire passage is arranged, and easily make the gaseous mixture circulation.Kind electrode (12) also can be only with half, and also there is discharging gap its end face and side.
As the embodiment 3 that improves 3, it is the electrode (21) that many sides and many gaps are arranged that the present invention improves electrode especially, because it not only has aforesaid by extension (16a), arc portion (16b), this three part that turn of bilge (16c) is formed equates with the spacing of discharge electrode, thereby constitutes the discharging gap that is subjected to electrode and discharge electrode, and, also be provided with a plurality of sharp notch (17) especially than original front head; Each is subjected to electrode stem and be connected as one by electrode, is convenient to make; Because the two ends of making discharging gap (20) at the middle part of the described electrode (21) that many sides and many gaps are arranged have outstanding (19) down, the described bottom of outstanding (19) down is lower than the discharge electrode top again, and its use is the front that has added sideflash.The particularly described transverse features that the electrode (21) in many sides and many gaps arranged is a slice at least, or is more than two, for example three.Be preferably multi-disc, thus help forming grid sheet grid point battle array effect, thus increase the possibility of electricity fire nuclear and cydariform discharge; Because under engine operational conditions, static ignition of mixed gas energy only needs 0.2 milli burnt, the ignition of mixed gas energy of high flow velocities only needs 3 millis burnt, and the energy that classic ignition system is supplied with is burnt greater than 30 millis, 10 times of amounts are promptly arranged, positive these characteristics of good utilisation, design multi-disc grid sheet grid of the present invention, at various physical fields aerodynamic field for example, electric field, and fluid field turbulent flow, and under the electrochemical comprehensive function, easily form little the trembling of grid sheet grating compartment, and favourable carbon deposit and the favourable discharging gap formation discharge channel of shrugging off.As the embodiment 3 that improves 4, because described have the electrode (21) in many sides and many gaps or remove the single electrode stem that is subjected to, its feature special feature is that the electrode (23) that singly is subjected to the many sides of having of electrode stem and many gaps is arranged, so its usefulness is material-saving still not, and can form little the trembling of grid sheet grating compartment and favourablely shrug off carbon deposit and favourable discharging gap forms discharge channel.
As the embodiment 5 that improves 5, it is that the round basin of side and the electrode (22) that acute angle star is dug at the middle part are arranged that the present invention improves electrode especially, because of it is characterized in that having the round basin of side and middle part to dig acute angle star; There is basin shape promptly not only end face to be arranged but also the side is arranged, thereby added the front of sideflash; Acute angle star has been dug at its middle part, is meant that the angle of its star pawl that stretches out of star is an acute angle; Its feature is acute angle particularly, rather than right angle or obtuse angle.Or star, or two stars, or a plurality of stars, five-pointed star preferably, form asymmetric multipoint random discharge channel so help the wedge effect of discharging gap and point discharge effect, help increasing the possibility of discharge and remove carbon deposit, the electrode of acute angle star helps the continuity of electric spark effect and the distortion of the spark sharp side due to the turbulent flow, molecule interpenetrates, and turbulent flow speed increases.
Described various improvement electrode more or less will be selected for use after particularly the angle of ignition comes pilot according to different types when practicality.
Claims (4)
1. the spark plug of gasoline engine that many sides and many foldings gap are arranged is mainly formed by being provided with by multiple improved electrode respectively, for example a kind of electrode (12) that many sides and many foldings gap are arranged; And for example improve electrode for the electrode (21) of many sides and many gaps (grid sheet grid) is arranged; And to improve electrode especially be that the round basin of side and the electrode (22) that acute angle star is dug at the middle part are arranged.
2. the spark plug of gasoline engine that many sides and many foldings gap are arranged is provided with a kind of electrode (12) that many sides and many foldings gap are arranged; It is characterized in that by extension (16a), arc portion (16b), turn of bilge (16c) is formed, and this three part equates with the spacing of discharge electrode, also is provided with a plurality of sharp notch (17) especially; Each is linked to each other with being subjected to electrode (12) by electrode stem (10), particularly is subjected to the middle part of electrode (12) to have many foldings gap (18); Kind electrode (12) also can be only with half in some combustion chamber.
3. one kind has many sides and the spark plug of gasoline engine of rolling over the gap more, be provided with a kind of electrode (21) that many sides and many gaps (grid sheet grid) are arranged, it is characterized in that by extension (16a), arc portion (16b), turn of bilge (16c) is formed, this three part equates with the spacing of discharge electrode, also be provided with a plurality of sharp notch (17), particularly its transverse features and be a slice at least, or be two or more than, for example three, be preferably multi-disc.
4. one kind has many sides and the spark plug of gasoline engine of rolling over the gap more, and being provided with a kind of special improvement electrode is that the round basin of side and the electrode (22) that acute angle star is dug at the middle part are arranged, and it is characterized in that: have the round basin of side and middle part to dig acute angle star.There is basin shape promptly not only end face to be arranged but also the side is arranged, thereby added the front of sideflash; Acute angle star has been dug at its middle part, or a star, or two stars, or a plurality of star, and preferably five-pointed star is characterized in that acute angle, rather than right angle or obtuse angle; There is the round basin of side to it is characterized in that by extension (16a), arc portion (16b), turn of bilge (16c) is formed, and this three part equates with the spacing of discharge electrode, also is provided with a plurality of sharp notch (17).
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| Application Number | Priority Date | Filing Date | Title |
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| CN201010215935A CN101895063B (en) | 2010-06-24 | 2010-06-24 | Spark plug of gasoline engine with multiple laterals and multifold gap |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201010215935A CN101895063B (en) | 2010-06-24 | 2010-06-24 | Spark plug of gasoline engine with multiple laterals and multifold gap |
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| CN101895063A true CN101895063A (en) | 2010-11-24 |
| CN101895063B CN101895063B (en) | 2012-10-03 |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2012082583A3 (en) * | 2010-12-14 | 2012-12-13 | Federal-Mogul Igntion Company | Corona ignition device having asymmetric firing tip |
| CN104989489A (en) * | 2015-06-02 | 2015-10-21 | 宁波大叶园林设备有限公司 | Engine of lawn mower, with fuel gas mixer integrating gas mixing flues and three-level decompressing chamber |
Citations (4)
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| CN85201762U (en) * | 1985-04-30 | 1986-04-16 | 张景明 | Combined spark plug |
| CN1034787A (en) * | 1987-10-01 | 1989-08-16 | 吴和水 | Multipolar interchangeable induction spark plug |
| CN1414671A (en) * | 2002-09-24 | 2003-04-30 | 任淑萍 | Dicyclic inverted arc spark plug |
| JP2005127324A (en) * | 2003-10-22 | 2005-05-19 | Robert Bosch Gmbh | Cylinder head and ignition plug |
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2010
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN85201762U (en) * | 1985-04-30 | 1986-04-16 | 张景明 | Combined spark plug |
| CN1034787A (en) * | 1987-10-01 | 1989-08-16 | 吴和水 | Multipolar interchangeable induction spark plug |
| CN1414671A (en) * | 2002-09-24 | 2003-04-30 | 任淑萍 | Dicyclic inverted arc spark plug |
| JP2005127324A (en) * | 2003-10-22 | 2005-05-19 | Robert Bosch Gmbh | Cylinder head and ignition plug |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2012082583A3 (en) * | 2010-12-14 | 2012-12-13 | Federal-Mogul Igntion Company | Corona ignition device having asymmetric firing tip |
| CN103261676A (en) * | 2010-12-14 | 2013-08-21 | 费德罗-莫格尔点火公司 | Corona ignition device having asymmetric firing tip |
| US9103313B2 (en) | 2010-12-14 | 2015-08-11 | Federal-Mogul Ignition Company | Corona ignition device having asymmetric firing tip |
| CN104989489A (en) * | 2015-06-02 | 2015-10-21 | 宁波大叶园林设备有限公司 | Engine of lawn mower, with fuel gas mixer integrating gas mixing flues and three-level decompressing chamber |
Also Published As
| Publication number | Publication date |
|---|---|
| CN101895063B (en) | 2012-10-03 |
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