CS227640B1 - Mechanical fuel injection advance device - Google Patents

Mechanical fuel injection advance device Download PDF

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Publication number
CS227640B1
CS227640B1 CS734382A CS734382A CS227640B1 CS 227640 B1 CS227640 B1 CS 227640B1 CS 734382 A CS734382 A CS 734382A CS 734382 A CS734382 A CS 734382A CS 227640 B1 CS227640 B1 CS 227640B1
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CS
Czechoslovakia
Prior art keywords
gear
fuel injection
mechanical fuel
injection pump
advance device
Prior art date
Application number
CS734382A
Other languages
Czech (cs)
Slovak (sk)
Inventor
Jozef Ing Csc Knoll
Ladislav Ing Vachal
Original Assignee
Jozef Ing Csc Knoll
Ladislav Ing Vachal
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Jozef Ing Csc Knoll, Ladislav Ing Vachal filed Critical Jozef Ing Csc Knoll
Priority to CS734382A priority Critical patent/CS227640B1/en
Publication of CS227640B1 publication Critical patent/CS227640B1/en

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Description

Vynález sa týká presuvníka vstreku paliva u vznětových motorov realizovaného dvomi šikmými ozubenými kolesami, ktorého účelom je oproti doterajším zariadeniam tohoto druhu dosiahnúť to, aby za čiatok vstreku paliva bolo možné meniť plynule v závislosti od otá čok spal’ovacieho motora, množstva dodávaného paliva do motora, tep loty výfukových plynov, pracovně j teploty motora atď. v celom rozsahu otáčok motora. Doteraz známe zariadenia menia uhol predstreku len od otáčok motora.BACKGROUND OF THE INVENTION The present invention relates to a fuel injector for two-helical diesel engines with the aim of achieving, in comparison with prior art devices, that the amount of fuel supplied to the engine can be varied smoothly depending on the engine speed. , exhaust gas temperatures, engine operating temperatures, etc. over the entire engine speed range. Previously known devices vary the spray angle only from the engine speed.

Nevýhody doteraz používaných zariadení odstraňuje mechanický presuvník vstreku paliva pre vstrekovacie čerpadlá vznětových spalovacích motorov podlá vynálezu, ktorý je založený na principe vzájomného uhlového natočenia klukového hriadela a hriadela vstrekovacieho Čerpadla, ktorého podstata spočívá v tom, že koleso na klukovom hriadeli je opatřené po obvode šikmým ozubením, do ktorého zapadá koleso so šikmým ozubením hriadela vstrekovacieho čerpadla s opačným zmyslom stúpania šikmého ozubenia, pričom ozubené kolesá sú upevněné na hriadeToch obvyklým sposobom, pričom ozubené koleso hriadela vstrekovacieho čerpadla je axiálně posuvnéDisadvantages of the devices used so far are eliminated by the mechanical fuel injector for injection pumps of compression-ignition engines according to the invention, which is based on the principle of angular rotation of the crankshaft and the injection pump shaft, which is based on the crankshaft into which the bevel gear of the injection pump shaft engages the opposite direction of the helical gear pitch, the gears being fixed to the shaft in the usual manner, wherein the gear pump shaft of the injection pump is axially displaceable

227 640227 640

Význam vynálezu spočívá v tom, že axiálnym posuvom ozubeného kolesa vstrekovacieho čerpadla po hriadeli mění sa vzájomné uhlové pootočeni* hriadelov, pričom presuvník zapadajúei do drážky ozubeného kolesa je přestavovaný servomotorom podl’a požadovanej hodnoty V3treku.The importance of the invention lies in the fact that the axial displacement of the injection pump gear on the shaft changes the relative angular rotation of the shafts.

Zariadenie podlá vynálezu je schématicky znázorněné na pripojenom výkrese, obr. 1., kde je znázorněné v pozdlznom řeze a obr. 2., kde je znázorněný záběr kolies s pravotočivým a Tavobočivým vonkajším ozubením.The device according to the invention is shown schematically in the attached drawing, FIG. 1, in longitudinal section, and FIG. 2, showing the engagement of the wheels with right-hand and flux-rotating external teeth.

Na klukovom hriadeli 1 spalovacieho motora je upevněné ozubené koleso 2 s vonkajším šikmým ozubením, ktoré zaberá s ozubeným kolesom 3, ktoré je opatřené vonkajším šikmým ozubením s opačným zmyslom stúpania ako má ozubené koleso 2 . Ozubené koleso 3 je axiálně posuvné po hriadeli 4 vstrekovacieho palivového čerpadla, ktoré je posúvané posúvačom £ riadeného servomotoru 6, ktorý dostává impulzy k prestaveniu predstreku napr. od raikropočítača. Posunutím ozubeného kolesa 3 obr. 2 v naznačenom smere sa mění vzájomné uhlové natočenie hriadelov 1 a 4.On the crankshaft 1 of the internal combustion engine, a gear 2 with external bevel gear is mounted which engages a gear 3 which is provided with an external bevel gear with the opposite sense of inclination than the gear 2. The gear 3 is axially displaceable on the fuel injection pump shaft 4, which is moved by the slider 6 of the controlled servomotor 6, which receives impulses to adjust the pre-injection e.g. from a rcputer. By sliding the gear 3 fig. 2, the relative angular rotation of the shafts 1 and 4 varies in the indicated direction.

Uvedené zariadenie je účelne usporiadané, pričom móže byť ozubené koleso na klukovom hriadeli posuvné a ozubené koleso na hriadeli vstrekovacieho čerpadla pevne uchytené.Said device is expediently arranged, wherein the gear wheel on the crankshaft can be slidable and the gear wheel on the injection pump shaft can be fixedly attached.

Uplatnenie vynálezu je predovšetkým u vznětových motorov automobilov a traktorov, ktoré budú riadené mikropočítačom a tak móžu motory pracovať s minimálnou měrnou spotřebou bez toho, že by dochádzalo k zbytočnému dymeniu a tak k zhoršeniu životného prostredia.The invention is particularly applicable to automotive and tractor diesel engines, which will be controlled by a microcomputer, so that the engines can operate with minimum specific consumption without unnecessary smoke and thus environmental degradation.

Claims (1)

Predmet vynálezuObject of the invention 227 640227 640 Mechanický presuvník vstreku paliva pre vstrekovaciě čerpadlá vznětových motorov, založený na principe vzájomného uhlového natočenia kíukového hriadela a hriadela vstrekovacieho čerpadla sa vyznačuje tým, že na klukovom hriadeli /1/ je upevněné ozubené koleso /2/ so šikmým čelným ozubením, ktoré zaberá s ozubeným čelným kolesom /3/, ktoré je axiálně posuvné po hria děli, ktorý je spojený so vstrekovacím čerpadlom.A mechanical fuel injector for diesel injection pumps based on the principle of the angular rotation of the crankshaft and the injection pump shaft is characterized in that the crankshaft (1) is fitted with a helical gear (2) which engages the gear a wheel (3) which is axially displaceable over the gun shaft which is connected to the injection pump.
CS734382A 1982-10-15 1982-10-15 Mechanical fuel injection advance device CS227640B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CS734382A CS227640B1 (en) 1982-10-15 1982-10-15 Mechanical fuel injection advance device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CS734382A CS227640B1 (en) 1982-10-15 1982-10-15 Mechanical fuel injection advance device

Publications (1)

Publication Number Publication Date
CS227640B1 true CS227640B1 (en) 1984-04-16

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Family Applications (1)

Application Number Title Priority Date Filing Date
CS734382A CS227640B1 (en) 1982-10-15 1982-10-15 Mechanical fuel injection advance device

Country Status (1)

Country Link
CS (1) CS227640B1 (en)

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