CN101895063B - Spark plug of gasoline engine with multiple laterals and multifold gap - Google Patents
Spark plug of gasoline engine with multiple laterals and multifold gap Download PDFInfo
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- CN101895063B CN101895063B CN201010215935A CN201010215935A CN101895063B CN 101895063 B CN101895063 B CN 101895063B CN 201010215935 A CN201010215935 A CN 201010215935A CN 201010215935 A CN201010215935 A CN 201010215935A CN 101895063 B CN101895063 B CN 101895063B
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Abstract
The invention discloses a spark plug of a gasoline engine with multiple laterals and a multifold gap. Various improved electrodes are provided, for example, an electrode (12) is provided with multiple laterals and a multifold gap, the middle of the electrode (12) is provided with the multifold gap (18) which is favorable for opening a discharging channel and is easy to have more sparking; an improved electrode is an electrode (21) provided with multiple laterals and a multifold gap (grid plate grid) and has the transverse characteristic of multiple plates which are favorable for forming grid plate grid lattice effect so as to improve the probability of electric sparks and drum shape discharging; and a particularly improved electrode is an electrode (22) provided with a round basin with a lateral surface and a dug middle acute-angle star, which is characterized by the round basin with the lateral surface and the dug middle acute-angle star, the electrode has the basin, the top and the lateral surface so as to increase the lateral discharging front, the five-pointed star dug in the middle of the electrode is favorable for the wedge effect of the discharging gap and marginal discharging effect to form asymmetrical multi-point random discharging channels so as to contribute to improving discharging probability and removing accumulated carbon, and the acute-angle star-shaped electrode is favorable for the continuous electric spark effect, turbulence-caused spark-front torsion, mutual penetration of molecules, the increase of turbulence rate and the increase of ignition probability. The various improved electrodes are selected according to different machine types, particularly ignition angles, more or less in experimental units during practical use.
Description
Technical field
The present invention relates to the ignition mechanism in a kind of fuel-burning equipment, the spark plug of gasoline engine in many sides and a plurality of gaps is especially arranged, belong to the technical field of the spark plug of ignition internal combustion engine.
Background technique
The ignition mechanism that is used for fuel-burning equipment, especially gasoline motor spark plug are widely used in the high voltage pulse electric current is introduced into the firing chamber, and make the mixed gas sparking of inspiration cylinder and light, and then diffusive combustion and break out work done.The outside joiner 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, the knot of being prone to charcoal is arranged, and is prone to ablate 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 ignition mechanism that is used for fuel-burning equipment; Especially the shortcoming of working state due to the existing mechanism of gasoline motor spark plug; The present invention provides a kind of special improvement of gasoline motor spark plug; The method of the electrode in many sides and a plurality of gaps is promptly arranged, so that improve the present situation of spark plug.
Summary of the invention
The technological scheme that the present invention taked is:
A kind of ignition mechanism that is used for fuel-burning equipment, especially gasoline motor spark plug are used for anti-High-frequency Interference and the anti-spark plug of pegging graft and getting loose with interior induction reactance and outer calibration high pressure coupling piece; By having calibration (1a), zigzag fashion umbrella rib (1c), the outer calibration high pressure joiner (1) of fixing hole (1b) and internal thread; Pad (2), the insulator (3) of the multiple tracks umbrella rib of toothed tee section, the interior induction reactance of a threaded end (4) and the threaded the other end (4b) and inductance coil (15); The shell (5) of band heat radiation wing, S shape retaining washer (6) contains the glass-sealing agent (7) of resistance; Embed steel core (8), discharging electrode bar (9) receives electrode tie rod (10); Discharge cartridge (11) is formed by electrode tip (12); The described calibration (1a) that has, zigzag fashion umbrella rib (1c), the characteristic of the outer calibration high pressure joiner (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 joiner (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 motor by the internal structure of spark plug, the bigger just nearlyer 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 prone to obscure.The beneficial effect of on the electric conductor of the joiner of spark plug, slotting 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 joiner 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 joiner (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.Discharging electrode also is called centre electrode, receives electrode also to be called ground electrode.
The described calibration (1a) that has; Zigzag fashion umbrella rib (1c), the further feature of the outer calibration high pressure joiner (1) of fixing hole (1b) and internal thread is: described zigzag fashion umbrella rib (1c), like Fig. 5; Fig. 6 and Fig. 9; Shown in Figure 10, the zigzag fashion in the outer part and the angle of axis are more slow, insert in order to the socket of spark cap is easy; And the angle of zigzag fashion in the inner part and axis is bigger, is difficult for deviating from order to the socket of spark cap.Like Fig. 5, Fig. 6 and Fig. 7, Fig. 8, shown in Figure 9, described groove depth is the half the of joiner 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 joiner (1d); Like Fig. 6, Fig. 1 and shown in Figure 2 links with a threaded end (4); And the insulator (3) of the multiple tracks umbrella rib of retaining washer (2) and toothed tee section, and the interior induction reactance of a threaded end (4) and the threaded the 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 the other end (4b); The glass-sealing agent (7) of the threaded the other end (4b) through containing resistance, with embedding steel core (8), discharging 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, said resistance and inductance have the effect of series parallel connection RCL equivalent circuit, and allotment suitably just has the effect of anti-radio interference.Embed steel core (8) and insert discharging electrode bar (9), in order to gaining in strength and heat conduction.Discharging electrode bar (9) or participate in discharge directly, or link to each other with discharge cartridge (11) that special special material is processed.Receive 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 receives that special special material is processed, or link to each other with the electrode tip (12) that receives that special special material is processed, and install additional and receive electrode tip shell back-up ring (14) through receiving electrode tip shell (13).The characteristic of the insulator (3) of the multiple tracks umbrella rib of described toothed tee section is, the zigzag fashion of described zigzag fashion umbrella rib and the angle of axis are more slow, is prone to wrap in order to the rubber or the plastic insulation shell of spark cap; And the angle of zigzag fashion 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 fashion of described zigzag fashion umbrella rib has than original semicircle umbrella rib more Duos 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 of described toothed tee section is provided with the shell (5) of being with the heat radiation wing, and S shape retaining washer (6).The described characteristic 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, keep the material that will be cut away in vain originally a part and process 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, socket wrench 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), 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 discharging electrode; Thereby constitute the discharging gap (20) that receives electrode and discharging 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 a plurality of gaps are arranged that the present invention improves electrode especially, like 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, and this three part equates with the spacing of discharging electrode, thereby constitutes the discharging gap that receives electrode and discharging 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 receiving electrode (12) by electrode stem (10), receives the middle part of electrode (12) to have a plurality of gaps (18), helps opening discharge channel.Kind electrode (12) also can be only with half in some firing 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, like 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, and this three part equates with the spacing of discharging electrode, thereby constitutes the discharging gap that receives electrode and discharging electrode; And than original front head's characteristics, also be provided with a plurality of sharp notch (17) especially, be beneficial to discharge; Each receives electrode stem and be connected as one by electrode; 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 discharging 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 receives, like Figure 26, and Figure 27 and shown in Figure 28; It is characterized in that aforesaid characteristic is not only arranged, specialization is that the electrode (23) that singly receives the many sides of having of electrode stem and many gaps is arranged.Its usefulness is a material-saving, and be prone to form little the trembling of grid sheet grating compartment and favourablely shrug off carbon deposit and favourable discharging gap 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, like 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 in the center, or a star, or two stars, or a plurality of star, preferably five-pointed star.Help wedge effect and the point discharge effect of discharging gap and form asymmetric multipoint random discharge channel.Its characteristic 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.
Below in conjunction with accompanying drawing and embodiment the present invention is further specified.
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 the other end (4b) and inductance coil (15).
Fig. 4 is the schematic representation of insulator (3) of the multiple tracks umbrella rib of toothed tee section.
Fig. 5 has calibration (1a), zigzag fashion umbrella rib (1c), the schematic perspective view of the outer calibration high pressure joiner (1) of fixing hole (1b) and internal thread.
Fig. 6 has zigzag fashion umbrella rib (1c), and the generalized section of the outer calibration high pressure joiner (1) of internal thread.
Fig. 7 is the generalized section of electrode (12) that many sides and a plurality of gaps are arranged.
Fig. 8 is the worm's eye view of electrode (12) that many sides and a plurality of gaps are arranged.
Fig. 9 is the schematic perspective view of electrode (12) that many sides and a plurality of gaps are arranged.
Figure 10 is that schematic representation is looked on the right side of electrode (12) that many sides and a plurality of gaps are arranged.
Figure 11 is the schematic top plan view of electrode (12) that many sides and a plurality of gaps are arranged.
Figure 12 is the schematic top plan view of electrode (23) that many sides and many gaps are arranged.
Figure 13 is the sectional drawing that the shell (5) of heat radiation wing is arranged.
Figure 14 is the schematic perspective view of the spark plug of electrode (12) that many sides and a plurality of gaps 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 plan 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 worm's eye 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 plan 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 plan view of electrode (23) that many sides and many gaps are arranged.
Figure 28 has extension (16a), arc portion (16b), the sectional view of the cranked electrode (16) of turn of bilge (16c).Among the figure, 1. be to have calibration (1a), zigzag fashion umbrella rib (1c), the outer calibration high pressure joiner (1) of fixing hole (1b) and internal thread (1d); 2. be pad (2); 3. be the insulator (3) of the multiple tracks umbrella rib of toothed tee section; 4. be the interior induction reactance of a threaded end (4) and the threaded the 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 discharging electrode bar (9); 10. be to receive electrode tie rod (10); 11. be discharge cartridge (11); 12. be to receive electrode tip (12); 13. be to receive electrode tip shell (13); 14. be to receive 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 receives the many sides of having of electrode stem and many gaps is arranged.
Embodiment
Respectively assembling successively (and sintered ceramic and welding receive electrode tie rod) has calibration (1a), zigzag fashion umbrella rib (1c), the outer calibration high pressure joiner (1) of fixing hole (1b) and internal thread, pad (2); The insulator (3) of the multiple tracks umbrella rib of toothed tee section, the interior induction reactance of a threaded end (4) and the threaded the other end (4b) and inductance coil (15), the shell (5) of band heat radiation wing; S shape retaining washer (6) contains the glass-sealing agent (7) of resistance, embeds steel core (8); Discharging electrode bar (9) receives electrode tie rod (10), discharge cartridge (11); Receive electrode tip (12), receive electrode tip shell (13), receive electrode tip shell back-up ring (14).The described calibration (1a) that has, zigzag fashion umbrella rib (1c) is opened a groove on the electric conductor of the outer calibration high pressure joiner (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.Screw in the electric conductor of the fluting of described joiner (1) a threaded end (4) and knock fixing hole (1b) spark plug is made.Screw in spark plug in the tapped hole of motor, S shape retaining washer (6) is closely fastened.Be inserted with the spark cap of rubber or plastic insulation shell, the electric conductor of joiner (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 passes through joiner (1), the interior induction reactance of a threaded end (4) and the threaded the other end (4b) and inductance coil (15) successively; The glass-sealing agent (7) that contains resistance embeds steel core (8), discharging electrode bar (9); Receive electrode tie rod (10), discharge cartridge (11) receives electrode tip (12); Receive electrode tip shell (13), and discharge with receiving between electrode tip (12) at discharge cartridge (11).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 series parallel connection RCL equivalent 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 heat diffusion area of the heat radiation wing more much bigger than original cylindrical body, and it is self-evident that its thermal diffusivity is improved to some extent.The described calibration (1a) that has, zigzag fashion umbrella rib (1c), the zigzag fashion umbrella rib (1c) of the outer calibration high pressure joiner (1) of fixing hole (1b) and internal thread, the zigzag fashion in the outer part and the angle of axis are more slow, insert in order to the socket of spark cap is easy; And the angle of zigzag fashion 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 joiner 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 characteristic 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, keep the material that will be cut away in vain originally a part and process 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.Socket wrench 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), 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 discharging electrode, thereby constitutes the discharging gap that receives electrode and discharging 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 hopes 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 hope to have strong air-flow directly to rush at discharging gap, thereby dispel fire nuclear, increase the cyclical variations rate of in-cylinder pressure at ignition point; 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 who improves 2, be the electrode (12) that many sides and a plurality of gaps are arranged because 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 discharging electrode; Receive the discharging gap of electrode and discharging electrode thereby constitute, and, also be provided with a plurality of sharp notch (17) especially than original front head; So, be breakdown phase in the phase I of spark ignition process, when helping discharging; Make the ion flux that has punctured mixed gas, march on towards discharging electrode from receiving electrode.Though Peak current is big, the time of whole breakdown phase is very short, is merely ten microseconds, so a plurality of sharp notch (17) is feasible.Again because each is linked to each other with receiving electrode (12) by electrode stem (10); And the middle part that receives electrode (12) has many foldings gap (18); The second stage that helps in the spark ignition process is the electric arc stage, and is the glow discharge stage in the phase III of spark ignition process, the favourable discharge channel of opening; And be prone to make a plurality of gaps that more multi-hop fire passage is arranged, and be prone to make the mixed gas 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 who improves 3, it is the electrode (21) that many sides and many gaps are arranged that the present invention improves electrode especially, aforesaid by extension (16a) because it not only has; Arc portion (16b); This three part that turn of bilge (16c) is formed equates with the spacing of discharging electrode, thereby constitutes the discharging gap that receives electrode and discharging electrode; And, also be provided with a plurality of sharp notch (17) especially than original front head; Each receives 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 discharging 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, and 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, and 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, be prone to 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 who improves 4; Because described have the electrode (21) in many sides and many gaps or remove the single electrode stem that receives; Its characteristic specialization is that the electrode (23) that singly receives 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 who 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 in the center, is meant that the angle of its star pawl that stretches out of star is an acute angle; Its characteristic is acute angle particularly, rather than right angle or obtuse angle.Or a star, or two stars, or a plurality of star; Five-pointed star preferably; Form asymmetric multipoint random discharge channel so help wedge effect and the point discharge effect of discharging gap, help increasing the possibility of discharge and remove carbon deposit, the electrode of acute angle star helps the continuity of electrical 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 according to different machine types when practicality be selected for use after particularly firing angle comes pilot.
Claims (3)
1. the spark plug of gasoline engine with many sides and many gaps comprises discharging electrode and receives electrode, it is characterized in that: receive electrode to be connected successively and constituted by extension, arc portion, turn of bilge; This three part equates with the spacing of discharging electrode; Receive electrode to be provided with a plurality of sharp notch, linked to each other with receiving electrode stem by electrode, linked to each other with spark plug shell by electrode stem in a side relative with discharging electrode; Discharging electrode is a centre electrode, and receiving electrode is ground electrode.
2. spark plug of gasoline engine as claimed in claim 1 is characterized in that: receive the electrode middle part to have a plurality of broken line shapes gap.
3. spark plug of gasoline engine as claimed in claim 1 is characterized in that: receive electrode to have the gap of a plurality of grid sheet grid.
Priority Applications (1)
| 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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| 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 CN101895063A (en) | 2010-11-24 |
| CN101895063B true CN101895063B (en) | 2012-10-03 |
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Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN103261676B (en) * | 2010-12-14 | 2016-04-20 | 费德罗-莫格尔点火公司 | There is the corona ignition device of 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 |
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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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- 2010-06-24 CN CN201010215935A patent/CN101895063B/en active Active
Patent Citations (4)
| 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 |
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| Publication number | Publication date |
|---|---|
| CN101895063A (en) | 2010-11-24 |
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