CN1042457C - Contactless ignition device for internal combustion engine - Google Patents

Contactless ignition device for internal combustion engine Download PDF

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Publication number
CN1042457C
CN1042457C CN94107858A CN94107858A CN1042457C CN 1042457 C CN1042457 C CN 1042457C CN 94107858 A CN94107858 A CN 94107858A CN 94107858 A CN94107858 A CN 94107858A CN 1042457 C CN1042457 C CN 1042457C
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mentioned
signal
time
testing signal
rotating speed
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CN1115006A (en
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寺田金千代
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Denso Corp
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Denso Corp
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    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
    • Y02T10/00—Road transport of goods or passengers
    • Y02T10/10—Internal combustion engine [ICE] based vehicles
    • Y02T10/40—Engine management systems

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  • Electrical Control Of Ignition Timing (AREA)
  • Ignition Installations For Internal Combustion Engines (AREA)

Abstract

A timing sensor is formed by forming a protrusion on a rotor, and a contactless ignition device for an internal combustion engine used in a two-wheeled vehicle with a step advance at the time of starting is provided. Based on signals G1, G2 corresponding to the leading and trailing edges of the rotor protrusion, a G2 interruption time TG2 is calculated after a time TG1 of G1, and a time interval TG1G2 is calculated in step 206. If it is judged that the engine speed is less than N1, step 208 calculates the ignition time Ts, step 209 counts down the count set for time Ts, and if "0" indicates that P is not enough0The end is "0" and ignition is performed. After the specific time has elapsed as confirmed in step 313, step 214 enables P0The end is "0" to end the firing event.

Description

The contactless ignition mechanism that is used for internal-combustion engine
The present invention relates to a kind of in the cart that for example has starting time stage advance angle employed internal-combustion engine contactless ignition mechanism.
In the Kick-start type internal-combustion engine,, and carry out such control for the generation degree of the recoil (recoil of kickpedal) that reduces when it starts, to be produced; Compare the firing time when postponing starting during with idle running, this just needs the so-called electronics advance angle ignition control device that has classification, adopt: for example,, use sensor to detect passing through of this projection being integral two projections of formation on the ground rotor rotated with internal-combustion engine for this reason.
But, if having the rotor of two projections, such usefulness constitutes a sensor, just must form 2 projections with specific interval with respect to rotor, and owing to positional accuracy requirement to some extent to 2 projections, must cause it to cost an arm and a leg with regard to making the process complications that forges the rotor projection, simultaneously, thus circuit structure also can complicatedly cause the maximization of parts.And, owing to when minute level width changes, must change epitrochanterian forging projection, thereby exist the problem that correspondingly needs time and cost.
Like this, just consider that opening the rotor by having a projection shown in the clear 59-23067 communique as the spy constitutes 1 sensor.That is, make the classification advance angle from the trailing edge of a rotor to leading edge.But,,, just limited the degrees of freedom of setting owing to be by sensor pulse width decision classification for this sensor construction.And, on igniting beginning revolution,, particularly when starting, divide level width to diminish owing to be to set output waveform summit from sensor by the leading edge of projection and trailing edge, just seldom have to prevent the effect that recoils.
In view of the foregoing, the purpose of this invention is to provide and a kind ofly constituting by rotor under the situation of a sensor, in internal-combustion engine rotation change, have the internal-combustion engine contactless ignition mechanism of strong low speed classification with a projection.
The rotor that internal-combustion engine contactless ignition mechanism involved in the present invention comprises has a projection that makes the synchronous rotation of rotation of Time Pick-off Units and internal-combustion engine, above-mentioned internal-combustion engine whenever turns around this ignition mechanism at its specific spin angular position output 1st and 2nd testing signal G1 and G2 corresponding with the interval of above-mentioned spout width, and has an ignition control device, this ignition control device is obtained the rotational speed of above-mentioned internal-combustion engine according to the time lag of the 1st testing signal G1 or the 2nd testing signal G2, when this engine speed is lower than the specific slow-speed of revolution, igniting time timer when setting low rotation according to the time lag of the 1st and the 2nd testing signal G1 and G2, and control ignition switch device when passing through the firing time that sets is by above-mentioned the 2nd testing signal set positions above-mentioned firing time of timer.
On the internal-combustion engine contactless ignition mechanism that constitutes like this, the ignition mechanism that can be realized having the low speed classification by 1 sensor corresponding to the rotor of 1 projection is arranged, when just carrying out IGNITION CONTROL effectively by simple structure, can easily realize the change of branch level width, its setting degrees of freedom can also be determined fully, also bigger effect can be brought into play preventing to recoil.
Fig. 1 is the circuit structure diagram of the contactless ignition mechanism that is used to illustrate that one embodiment of the present of invention are related;
Fig. 2 illustrates engine speed in this ignition mechanism and the relation of firing time and from the position relation of output signal G1, the G2 of Time Pick-off Units;
Fig. 3 (A) and (B) represent signal G1, the G2 pairing P of engine speed under the situation of situation below the N1 and N1-N2 respectively 0Output state;
Fig. 4 is the figure of the IGNITION CONTROL main program of the above-mentioned ignition mechanism of expression;
Fig. 5 is an interrupt routine;
Fig. 6 is the figure of G1 interrupt routine equally;
Fig. 7 is the structural drawing of explanation an alternative embodiment of the invention.
One embodiment of the present of invention are described with reference to the accompanying drawings.Fig. 1 represents its circuit structure, has the Time Pick-off Units 11 that detects the internal-combustion engine rotation status.Become the projection 11b that forms 1 specific width on the rotor rotated 11a integrally in rotating shaft with internal-combustion engine.And, in abutting connection with this rotor periphery electromagnetic coil 11c is set, its structure be with output detection signal when relative with the projection of internal-combustion engine rotor rotated together.Electromagnetic coil 11c is corresponding with the projection of rotor, exports for example the 1st testing signal G1 of negative direction when relative with the projection leading edge, and when relative with the trailing edge of projection the 2nd testing signal G2 of output postive direction.
Magneto-electric generator is set in internal-combustion engine.Be provided with the generator coil 13 that is used for to ignition capacitor 12 charging in this generator, the circuit that the electric energy in the postive direction cycle of being sent by this generator coil 13 constitutes by diode 14 and 15 is supplied with capacitor 12 as rechargeable electrical energy.This capacitor 12 forms discharge circuit when controllable silicon 16 triggers, with the primary air 171 of this discharge electric energy feed point fire coil 17.Thereby, the igniting electric energy is supplied with the spark plug 18 that links to each other with the secondary winding 172 of this spark coil 17, ignition spark is taken place.
In the future the negative direction voltage of spontaneous motor coil 13 is supplied with the power circuit 19 of igniting temporal calculation circuit, produces as initialized reset signal for microcomputer 20 during by the power connection of these power circuit 19 starter generators.
Microcomputer 20 has output terminal P 0And P 1, from output terminal P 0Output is supplied to the base stage of triode 21.Because this triode 21 is at P 0End turn-offs control when being output as " 1 " and is switched on when " 0 ", trigger signal is provided then for when these triode 21 conductings controllable silicon 16, and capacitor 12 discharges and lights a fire.
From the output signal of Time Pick-off Units 11, supply to the base stage of triode 24 and 25 respectively by the diode 22 and 23 that is respectively forward for the 1 2nd testing signal G1 and G2.Thereby,, be set to " 0 " to the input signal of the input end P3 of microcomputer 20 corresponding to 24 conductings of the 1st testing signal G1 triode.And, making triode 25 conductings corresponding to the 2nd testing signal G2, supply is set to " 0 " to the input signal of the input end P2 of microcomputer 20." 0 " signal under the on state of triode 24 and 25 is fed into the input end/IRQ (/ expression negative logic) of microcomputer 20 by OR circuit 26, and this microcomputer 20 produces and interrupts (insertion).
Will be from microcomputer 20 output terminal P 1Output signal offer the base stage of triode 27, triode 27 conductings when this output signal is " 0 ", and triode 28 conductings during triode 27 conductings.Triode 28 is connected the input end P of the triggering control of controllable silicon 16 with triode 21 and microcomputer 20 2Between, conducting/shutoff is offered the signal of triode 21 by triode 25.
Fig. 2 is the schematic representation of explanation characteristic firing time.Because engine speed is divided into rotating speed and is lower than that to get below the idle revolutions be that the utmost point low speed rotation state of the 1st rotational speed N 1 and rotating speed are higher than that to get more than the idle revolutions be the zone of the 2nd rotational speed N 2, correspondingly provides testing signal G1 and G2 from Time Pick-off Units 11 in the drawings.Wherein, A ° is to be equivalent to angle between the G1-G2 of formed projection 11b width on the rotor, S ° is the angle between firing time in when starting and the G2 signal, for example, be 10 ° of BTDC (budc firing time) in the position of G2, A ° is set under 30 ° the situation, G1 is BTDC40 °, in addition, in case be set at 10 ° to S °, the starting ignition time just becomes BTDC0 °.
In the ignition mechanism that constitutes like this, make internal-combustion engine begin rotation by depressing kickpedal or starting motor, will produce positive and negative alternating voltage this moment in by the power coil 13 of the magneto-electric generator that this internal-combustion engine drove.Thereby in case produce positive voltage in this generator coil 13, electric current will flow through in the circuit of diode 14, capacitor 12 and diode 15, and then ignition capacitor 12 is recharged.And when generator coil 13 produces negative direction voltage, guarantee power supply by the power circuit 19 and the diode 30 of circuit, simultaneously, reset signal is provided for microcomputer 20, with microcomputer 20 initialization from power circuit 19.
Like this, in case microcomputer 20 is reset, main program shown in Figure 4 is just started working.In step 101, the output terminal P of microcomputer 20 1And P 0Output " 1 " respectively is by output terminal P 1Output turn-off triode 27, thereby turn-off triode 28.Thus, make triode 25 conductings, also can not produce igniting action described later even in Time Pick-off Units 11, produce the G2 signal.Then, at P 0In the time of the initial setting of end, in step 102, carry out the initial setting of various RAM.
When producing negative voltage in the Time Pick-off Units 11, triode 24 is converted on state from off state, to identification interrupt usefulness terminals P 3 and/IRQ imports " 0 ".In case/IRQ end is " 0 ", microcomputer 20 just interrupts the carrying out of this main program, simultaneously, starts interrupt routine shown in Figure 5.
In this interrupt routine, confirm P by step 201 2The level of end simultaneously, is being confirmed P 2The end level enters step 202 when being " 1 " and carries out P 3The level of end is confirmed.If confirmed P by step 202 3The level of end is " 0 ", just carries out G1 Interrupt Process shown in Figure 6.
In this G1 Interrupt Process, at first carry out the affirmation of FSTEP by step 301.The revolution that sign FSTEP represents motor more than N1 changes/below.When judging that by step 301 engine revolution is N1 when following, carries out step 302 P 1End is set at " 1 ", by step 303, carry out G1 and interrupt the metering of TG1 constantly, and after preparing to carry out main program and returning 360 ° blanking time TIG1 calculating.Then, by step 204 G1 signal metering end mark is set, at step 305 couple P 0End carries out initialization and turns back to main program.
In the main program of Fig. 4, step 103 judges whether the interruption of G1 is arranged, if there is the interruption of G1 just to enter step 104, moment TG1 and the metering of last time moment TG1 according to metering in this processing calculate rotor rotation 1 and change 360 ° rotational time TIG1.For this situation, if calculated 360 ° time T IG1, then obtain the revolution of motor in view of the above, judge that in step 105 engine revolution obtain like this is whether more than N2.If judge revolution more than N2, then carry out calculating firing time of T θ (referring to Fig. 2) by step 106.
If in Time Pick-off Units 11, produce forward voltage, just control triode 25 conductings, triode 25 1 conductings, just by OR circuit 26 make microcomputer 20 /IRQ and P 2End is " 0 ", thereby interrupting being defeated by microcomputer 20, the interrupt routine of starting Fig. 5.In this interrupt routine since in step 201 to P 2The level of end is judged to be " P 2=0 ", just in step 203, carries out metering, judge whether carried out the TG1 metering before this by step 204 as the TG2 of G2 break period.At this moment, because the metering of TG1 has been finished, enter step 205.
In step 205, remove set TG1 metering sign, at next procedure 206, calculate spout width A ° the time T IG1G2 that is equivalent to timer rotor by " TG2-TG1 ".In step 207, carry out the whether judgement more than N1 of present engine speed according to the TG1G2 that so obtains, enter step 208 when following when being judged to be N1, calculate Ts firing time that use firing time before the classification from present TIG1G2, be set firing time.
If be set firing time like this, just carry out the countdown of time T s by step 209, if in step 210, determine count value, just enter step 211 for " 0 ".
In step 211, make the P of microcomputer 20 0End is output as " 0 ", thereby makes triode 21 conductings, provides trigger signal so that its conducting for controllable silicon 16.In case controllable silicon 16 is switched on, the electric charge of ignition capacitor 12 is just by spark coil 17 discharges, thereby level side generation high voltage is lighted a fire by spark plug secondarily.
After this, will indicate that in step 212 FSTEP is initialized as " 0 ", and in step 213, confirm afterwards, in step 214, to make P through certain hour (for example 100 μ second) 0End is " 1 ", and with shutoff triode 21, thereby end is to the trigger signal of controllable silicon 16.Like this, light a fire in the period of the timing Ts that only lags behind than signal G2.Prevent to produce recoil when thus, revolution is less than the starting below the N1.
When engine speed rise to surpass N1 and changes, the judgement according to the step 207 of the interrupt routine of Fig. 5 was set at " 1 " to sign FSTEP in step 215.After this, if produce the interruption of G1 signal, then in step 306, export " 0 " at the P1 end according to the judgement output of step 301 among Fig. 6.Output by this P1 end makes triode 27 conductings, because triode 28 is switched on, just carries out pure circuit type igniting by the next one from the G2 signal of Time Pick-off Units 11 and moves, and do not use output information from microcomputer 20.
In case the rotation of internal-combustion engine further is elevated to above N2 from idle revolutions, just detect this state by step 307, in step 308, be set in T θ firing time that calculates in the G1 interrupt routine, and it is carried out countdown, in step 309, when firing time, T θ was " 0 ", make the P0 end be " 0 " relight action by step 310.
The G1 of Fig. 3 (A) expression Time Pick-off Units 11 when being " 0-N1 " from engine speed and G2 signal are at the P of microcomputer 20 0And P 1The state of end, in this state, P 1End is " 1 " always, makes P by the timing Ts behind the G2 signal 0The end for " 0 " thus light a fire action.
(B) expression is signal G1 under the N1-N2 situation and the P of G2 corresponding to engine speed 0The state of end, corresponding with the signal G2 of Time Pick-off Units, the P0 end is " 0 ", at this moment P 1End is set to " 0 " always.
Though in an embodiment, the igniting that is produced by signal G2 is that conducting and the shutoff by triode 28 forms, also structure that can be such, and take according to the P from microcomputer 20 0The igniting form of software mode of the output of end, the hardware mode that the G2 signal in the time of so just can be by the resetting of microcomputer 20 the is produced form of lighting a fire.
The power supply that is used for circuit can be made of battery, is not magnetic-capacitor discharge type ignition mechanism (CDI) but DC-CDI and triode igniting etc. are good.And, use microcomputer with independent interruption (insertion) end, also can abolish OR circuit shown in Figure 7 and P 2, P 3End.In addition, also can be as from the output of comparison circuit and obtain from the output signal G1 of Time Pick-off Units 11 and G2.And, also can be according to obtaining rotating speed from the time lag of any among the output signal G1 of Time Pick-off Units 11 and the G2.Though used microcomputer in the above-described embodiments, by with comparator etc. to constitute arithmetic circuit good.And the projection that is located on the roller also can be a depression, also can utilize the recess of crank arm.
The above-mentioned internal-combustion engine contactless ignition mechanism according to the present invention, constituting by rotor under the situation of a sensor with a projection, calculate, set the classification premature ignition time when starting according to rotor spout width time data, thereby in the rotation change of internal-combustion engine, have the contactless IGNITION CONTROL of strong low speed classification.

Claims (10)

1. internal-combustion engine contactless ignition mechanism, comprising:
The solid of rotation (11a) that rotates with internal-combustion engine;
Be located on this solid of rotation, have with the corresponding leading edge in full aduance position and with the characteristic (11b) of corresponding trailing edge firing time in when idle running.
Detect above-mentioned characteristic, produce the 1st testing signal (G1), produce the sensor (11c) of the 2nd testing signal (G2) at above-mentioned trailing edge in above-mentioned leading edge;
Examine signal (G2) then according to above-mentioned the 1st testing signal (G1) and the 2nd and obtain speed detector with the corresponding signal of above-mentioned internal-combustion engine rotational speed;
The advance angle control gear of the advance angle position generation fire signal when the 1st rotating speed of setting greater than the preliminary election of expression during above-mentioned engine starting by the resulting rotating speed of this speed detector (N1) above-mentioned the 2nd testing signal (G2) before;
The firing circuit that responds above-mentioned fire signal and carry out the igniting action of internal-combustion engine,
It is characterized in that: igniting time-setting mechanism when also comprising low speed rotation, by the resulting rotating speed of above-mentioned speed detector during less than predefined the 1st rotating speed (N1) of expression during above-mentioned engine starting, measure above-mentioned the 1st testing signal (G1) and the above-mentioned the 2nd and examine the then generation blanking time (TIG1G2) of signal (G2), the timing (Ts) of firing time when setting the expression low speed rotation according to this time (TIG1G2), from above-mentioned the 2nd testing signal (G2) at the fire signal that produces the fire signal that replacement produced by above-mentioned advance angle control gear through above-mentioned timing (Ts) afterwards;
Above-mentioned timing (Ts) is set like this: produce fire signal in above-mentioned the 2nd testing signal (G2) predetermined angular position (S °) afterwards according to the above-mentioned time (TIG1G2);
Above-mentioned timing (Ts) is set by following equation:
Firing time during wherein low speed rotation the predetermined angular position (S °) after as above-mentioned the 2nd testing signal (G2), the angle intervals between above-mentioned the 1st testing signal (G1) and above-mentioned the 2nd testing signal (G2) as angle intervals (A °).
2. ignition mechanism according to claim 1 is characterized in that: what above-mentioned speed detector measured in above-mentioned the 1st testing signal (G1) or above-mentioned the 2nd testing signal (G2) any repeats to produce blanking time (TIG1).
3. ignition mechanism according to claim 1 is characterized in that: above-mentioned characteristic (11b) is arranged on projection or the recess on the above-mentioned solid of rotation, is used to make the interval of above-mentioned solid of rotation and the sensor to change.
4. according to any described ignition mechanism in the claim 1 to 3, it is characterized in that above-mentioned advance angle control gear comprises:
Igniting time-setting mechanism when when the 2nd rotating speed (N2) set greater than the 1st rotating speed (N1) and less than the preliminary election of expression more than the above-mentioned idling of IC engine revolution by the resulting rotating speed of above-mentioned speed detector, responding the idle running that above-mentioned the 2nd testing signal (G2) produces fire signal;
By the resulting rotating speed of above-mentioned speed detector during greater than predefined 2nd rotating speed (N2) of expression more than the above-mentioned idling of IC engine revolution according to above-mentioned the 1st detection signal (G1) or above-mentioned the 2nd detection signal (G2) in any generation interlude (TIG1) duration of ignition when setting the expression High Rotation Speed timing (T θ), when producing the High Rotation Speed of ignition signal from above-mentioned the 1st detection signal (G1) afterwards through above-mentioned timing (T θ) the igniting time-setting mechanism.
5. ignition mechanism according to claim 4, the igniting time-setting mechanism comprises when it is characterized in that above-mentioned low speed rotation: when the invalid ineffective treatment device of fire signal that above-mentioned advance angle control gear is produced during predefined the 1st rotating speed (N1) during less than the above-mentioned engine starting of expression by the resulting rotating speed of above-mentioned speed detector.
6. ignition mechanism according to claim 5, it is characterized in that: the igniting time-setting mechanism comprises response above-mentioned the 2nd testing signal (G2) and produces the transistor circuit of fire signal during above-mentioned idle running, thereby above-mentioned ineffective treatment device makes above-mentioned transistor circuit remain on that predetermined state stops response above-mentioned the 2nd testing signal (G2) and the fire signal that produces.
7. internal-combustion engine contactless ignition mechanism, comprising:
The solid of rotation (11a) that rotates with internal-combustion engine;
Be arranged on this solid of rotation, have with the corresponding leading edge in full aduance position and with the characteristic (11b) of corresponding trailing edge firing time in when idle running;
Detect above-mentioned characteristic, produce the 1st testing signal (G1), produce the sensor (11c) of the 2nd testing signal (G2) at above-mentioned trailing edge in above-mentioned leading edge.
Obtain speed detector with the corresponding signal of above-mentioned internal-combustion engine rotational speed according to above-mentioned the 1st testing signal (G1) and above-mentioned the 2nd testing signal (G2);
When by the resulting rotating speed of this speed detector during greater than predefined 1st rotating speed (N1) of expression during above-mentioned engine starting by the advance angle control gear of above-mentioned the 1st testing signal (G1) as the advance angle position generation fire signal of time measurement before above-mentioned the 2nd testing signal (G2) of benchmark;
The firing circuit that responds above-mentioned fire signal and carry out the internal-combustion engine ignition action,
It is characterized in that: igniting time-setting mechanism when also comprising low speed rotation, when by the resulting rotating speed of above-mentioned speed detector during less than predefined the 1st rotating speed (N1) of expression during above-mentioned engine starting, by measuring above-mentioned the 1st testing signal (G1) or above-mentioned the 2nd testing signal (G2) time lag separately, by above-mentioned the 2nd testing signal (G2) the lag position after deciding angle, replace above-mentioned advance angle control gear to produce fire signal.
8. ignition mechanism according to claim 7, it is characterized in that: igniting time-setting mechanism during above-mentioned low speed rotation, by time measurement the lag position generation fire signal by above-mentioned 2nd testing signal (G2) definite angle after of above-mentioned the 2nd testing signal (G2) as benchmark.
9. ignition mechanism according to claim 7 is characterized in that: during above-mentioned low speed rotation the igniting time-setting mechanism make from the fire signal of above-mentioned advance angle control gear invalid.
10. ignition mechanism according to claim 8, it is characterized in that, above-mentioned advance angle control gear is higher than above-mentioned the 1st rotating speed (N1) and is higher than preliminary election when setting than the 2nd rotating speed (N2) of idling of IC engine revolution at the rotating speed that is recorded by above-mentioned speed detector, by above-mentioned the 1st testing signal (G1) is produced the 1st ignition mechanism as the time measurement of benchmark; And at the rotating speed that records by above-mentioned speed detector during, respond above-mentioned the 2nd testing signal (G2) and produce the 2nd fire signal greater than above-mentioned the 1st rotating speed (N1) and less than above-mentioned the 2nd rotating speed (N2).
CN94107858A 1994-07-15 1994-07-15 Contactless ignition device for internal combustion engine Expired - Fee Related CN1042457C (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN94107858A CN1042457C (en) 1994-07-15 1994-07-15 Contactless ignition device for internal combustion engine

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN94107858A CN1042457C (en) 1994-07-15 1994-07-15 Contactless ignition device for internal combustion engine

Publications (2)

Publication Number Publication Date
CN1115006A CN1115006A (en) 1996-01-17
CN1042457C true CN1042457C (en) 1999-03-10

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CN94107858A Expired - Fee Related CN1042457C (en) 1994-07-15 1994-07-15 Contactless ignition device for internal combustion engine

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Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4350137A (en) * 1980-05-29 1982-09-21 Nippon Soken, Inc. Ignition system for internal combustion engines
EP0284054A2 (en) * 1987-03-25 1988-09-28 Japan Electronic Control Systems Co., Ltd. Spark ignition timing system for internal combustion engine with feature of supression of jerking during engine acceleration
US4790280A (en) * 1986-08-26 1988-12-13 Suzuki Jidosha Kogyo Kabushiki Kaisha Ignition apparatus
US4802454A (en) * 1986-02-19 1989-02-07 Honda Giken Kogyo Kabushiki Kaisha Device for controlling ignition timing in internal combustion engine

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4350137A (en) * 1980-05-29 1982-09-21 Nippon Soken, Inc. Ignition system for internal combustion engines
US4802454A (en) * 1986-02-19 1989-02-07 Honda Giken Kogyo Kabushiki Kaisha Device for controlling ignition timing in internal combustion engine
US4790280A (en) * 1986-08-26 1988-12-13 Suzuki Jidosha Kogyo Kabushiki Kaisha Ignition apparatus
EP0284054A2 (en) * 1987-03-25 1988-09-28 Japan Electronic Control Systems Co., Ltd. Spark ignition timing system for internal combustion engine with feature of supression of jerking during engine acceleration

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