DE2324784A1 - ELECTRONIC IGNITION DEVICE FOR COMBUSTION ENGINES - Google Patents

Description

Aniu .:

s tr-rlnclinuta nr.12 ?, Bukares L / itum,

PATENT LAWYERS

DR. ERNST STURM 2324 7

DR. HORST REINHARD

DIPL.-ING. KARL-JÜRGEN KREUTZ

8000 Munich 40, Lcopoldstrasse 20 / IV Telephone: (0811) 39 6451

Wire: Isarpatent

Bank: Deutsche Bank AG Munich 21/14171

Postal check: Munich 9756-809

Date ok kai 197 5 ma

Electronic ignition device for Combustioniao Loren

sxon aux purchases an electronic iüündvox - direction for internal combustion engines, which in particular uie Uevvührieistuiig a correct ignition ues fuel at high speed is intended.

There are various electronic devices for ignition ues fuel stolies known in internal combustion engines. The operation Our devices are based on the principle of externally controlled xiutlauuiiä a capacitor through a thyristor, wouei the kouuensator at the required voltage with that of the voltage supplied to a converter is reloaded. This principle has the disadvantage that because of the presence of the iielbstinduKtioiissspannung the durability of the thyristor short and the converter is very busy. Another disadvantage is that at very low temperatures the systems do not provide any security when the vehicle starts up

409828/0639

: Offer.

■

The electronic ignition device for internal combustion engines proposed in accordance with aer Jürinuung is characterized by the fact that when it is operated, the above mentioned disadvantages
üurcii be a static üml'ormer oeseiti, t. This converter equipped with a SehutzstroniKreis offers the

■ Advantage that uer Schutzs trouikreis feeds a circuit surrounded by the thyristor for the formation of high voltage pulses and
ΐ although with iiuirecuieriialtung ues Schutzstronicreises unu one
Outer circle in the case of very low skin perforations,

The next menu becomes a preferred execution, see example of application the invention in connection with the drawing, which aie the electrical circuit of the electronic ignition device is explained in more detail.

If the external contact of the motor is interrupted, the : former 1 is fed and this supplies the running voltage of the

Capacitor group Ο., Ο ^, Ο ^ in series with the primary winding P the inductance coil ü.

During the periodic closing of the platinum contact 3, pulses are emitted through the input of a thyristor T, which opens and enables the capacitor group to be closed by the primary winding P of the inductance coil 2.
The sparks required to ignite the fuel are created in this way. Parallel to the primary winding of the

-3-

AO9828 / 0639

Inuuivtivitatsspuie ü is the Dioue 1 in series uu t ueni re- j sLana d. to protect ues thyristor iiir cteu case, uaü too boiling j

lui.juiso aux ^{1 should} step, rustic eggiosaen. So that j

i do not have such impulses to cut through the diodes of the converter ± \

iüiiren, parallel to the exit the üioue D ₁ in berie with j

each * ■

connected to the resistance xi. :

ι In order to obtain impulses of coarser strength when starting

ues engine, controls uer starter through uas uas uelais 4 the insert ues capacitor C ^ parallel to tiruppe C, 0, C „for
Securing a greater overall performance in the circle. After operating the starter 4, the n-onuensatorC ^ is automatically removed from the circuit.

The capacitor group C _{,, C 1.} , C ^ with the coils L, L, L and

1 6 D 1 * - J j

L, form a lvette 5 »through the one extension of the |

ι Duration of the high voltage pulses is reached. j

According to the invention, the electronic ignition _; ;

system achieves the following advantages in particular:

(a) The system is able to ZündiuiiKen a much ^ ^r ° üere isnergie
than the i-'all in other known systems
where u the increase in tension no longer depends on the
Speed depends on the motor.

(b) The current through the platinum contact is reduced by the

409828/0 639 BAD ORH3INAi

4u-jLuoiie, and aie uies allows reduction ues'Auatan ues zwiscaeu atm i-la tixiiv.on clock from O ₅ I uiiu o, - ltiia Luici thus the v "erlan _a augmentation aer duration iuror üe trieosianiguei L.

(e) as the high voltage increases, uer üUstanu at dun iverüeneieKtroueu from 1 - i, 4 mm and dahurou uie Juauei · their Jie triebyx uiigkci L um aas ü - 5-i'a che.

(u) uie duration of the üeaaspruciiuug now ^ uvivumuialors v »iru down.

(e) The ureuislOiiveroraucii niru uui ungei'uur L ~ j, Ό aerabgeao ii, L, without uafj uaüei üie performance in other iainsiuhu des luütors' reduced. ^: *

(i) jis werueu eiu overdue use uts Lo tors and the Jilrhcihung his achievement uli achieved about j / ό.

(ίί) At the same time there is complete combustion. ues Breimstoiies ensures ivas among other things au cn uie reduction;

Regarding contamination or remuneration, j

40982 8/06 39

Claims (2)

J - ra ι. e η ca u s μ r U υ he ι. ^ ieKtiOtij-sone / imiavorrientuiig i'tir Veibreimuiigsmucoren, uauuruh, -, ei.i ua '<it consists of a static opunuu-i.bxxOiiv e our (i), a uar is preceded with uineiu Se .uizs broiiiiu'uis, v / ei rather / from a thyristor ('i) gesouiiexLUii ureib to uxiuung aei ^- xiocnbe s | mjjlhl \ j), uaui'rechlerüal umg ues i, rotiiä.reis around an aniaiic circle at semi- xiieurigen i Temperaturon. 2. vorx-iciitimg after Auspruuh i, uauureh geiceiinzeichneL, üalj you for protection, cles -iiiyristers (i) luit a Schutzstroni- Circle, üer a jjioue (d) auiu ^r e ± si ,, üie in üorie is verseiieu isi with a. "Iüeryiaiiii (it) paraiiei to Priiaarwicklung üer lnüuiitivit.lLsspuie (2) geseilalte ι, \ ^ orri cn lung according to claim 1 or 2, uauureh ^ eLabelzeionneL, uaii it is provided with a Sehutzs trotaki ice cream for protection against uiuiormers (1), over a uioue (i> _VJ ) auiwoist, üie in aerie mi L a viiiderstanü (ti ,.) is connected in parallel to the output ües umioriiiers (l) . Device according to claim 1, 2 or 5, Uciuuroh characterized, inter alia.j to the external Stroiu circuit for the purpose of increasing motor start-up 409828/0639 Reliable at any given temperature. hex eiitlattenei.L Ai-nu ^ ula tor em n-ondensator (C.) by means of a Jielais (■ t) aui "cter ^ uene uer btroiuversorgiuig ues iUiiaasers des Kraitxaiirzeug-esuhiosüeii is. Device according to one of claims i-4, characterized uauureh, uau for the purpose of lengthening it via mailer ues nociispaiiuimpulses lax t a biiuungs.- tronui.reis (i>) is provided, which coils the koiiuensaLuren (C ,, (J _1. , Ci) and cie coils (L, L ₍ ,, L " , L,) has, 409828/06 3 9
BAD ORiGiNAL