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Author Topic: sistem aprindere SX4  (Read 600 times)
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Laurentiu
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« Reply #8 on: January 27, 2011, 12:10:48 PM »

cum este aprinderea multipunct, din moment ce unul din cilindri este la evacuare???
Fiind cuplate 2 cite 2 bujii pe aceeasi bobina, in momentul cind un cilindru este in faza de compresie -explozie, moment in care se dau un rind de scintei pt a initializa aprinderea in cilindru, in cilindru "pereche" care se afla in faza de evecuare, se mai da un rind de scintei pt arderea eventualelor gaze ramase nearse inainte de evacuare. Am spus ca banuiesc ca e o masura antipoluare. Eu cel putin asa vad lucrurile.
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« Reply #9 on: January 27, 2011, 12:44:00 PM »

Quote
eu am scris aici exact ce scrie "cu o pagina inainte de schema"
asa e, schema spunea totul, doar confirmarea era inainte.
Sistemul este deosebit fata de cel clasic, nu am mai auzit/vazut pe la alte masini (nu ca as fi o "teleenciclopedie" in materie) si de-asta nu te increzi in prima poza. Si eu am crezut ca e o poza simplificata pina ce am citit pagina.
Probabil ca s-au redus multe prin acest sistem: 2 bobine de inductie mai putin, poate senzorii de citit arborii (care o fi ei) s-au injumatatit, distribuitor, variabile de intrare in unitatea de calcul (ai doar un bit in loc de doi), mai putine piese=fiabilitate marita, poate costuri mai mici.
O fi si cu poluarea, desi cred ca gazelor alea semiarse le trebuie o scanteie si ceva O2, da' e posibil, na.
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adrian_r5
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« Reply #10 on: January 27, 2011, 12:57:41 PM »

poate senzorii de citit arborii (care o fi ei) s-au injumatatit
Pai aia tot 2 sint - CKP si CMP  (pag. 153 respectiv 155 din manual)

The CMP sensor located on the transmission side of cylinder head (for M16 engine model) or timing chain cover (for
M15 engine model) consists of the signal generator (magnetic sensor) and signal rotor (intake camshaft portion (for
M16 engine model) or exhaust camshaft timing sprocket (for M15 engine model)).
The signal generator generates reference signal through slits in the slit plate which turns together with the camshaft.
Reference signal
The CMP sensor generates 6 pulses of signals each of which has a different waveform length while the camshaft
makes one full rotation. Refer to “Inspection of ECM and Its Circuits: ”.
Based on these signals, ECM judges which cylinder piston is in the compression stroke and the engine speed.


... despre CKP n-am gasit proza
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« Reply #10 on: January 27, 2011, 12:57:41 PM »

2% pentru SuzukiClub ROMANIA!

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