AT64672B - Fuel injection device for internal combustion engines that work with fuel that is difficult to ignite. - Google Patents
Fuel injection device for internal combustion engines that work with fuel that is difficult to ignite.Info
- Publication number
- AT64672B AT64672B AT64672DA AT64672B AT 64672 B AT64672 B AT 64672B AT 64672D A AT64672D A AT 64672DA AT 64672 B AT64672 B AT 64672B
- Authority
- AT
- Austria
- Prior art keywords
- fuel
- cam
- injection device
- ignite
- difficult
- Prior art date
Links
- 239000000446 fuel Substances 0.000 title claims description 16
- 238000002347 injection Methods 0.000 title claims 3
- 239000007924 injection Substances 0.000 title claims 3
- 238000002485 combustion reaction Methods 0.000 title 1
- 238000011144 upstream manufacturing Methods 0.000 claims 1
Landscapes
- Fuel-Injection Apparatus (AREA)
Description
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Eine derartige Anordnung der beiden Nocken n'und 112 auf der Nockenscheibe N zeigt Fig. 2. Wie aus dieser Figur zu ersehen ist, ist der Hauptbrennstoffnocken n1 ungefähr doppelt so breit wie der Hilfsnocken n2. Ausserdem besitzt der Hilfsnocken n2 zwei verschieden hohe Laufflächen, die untereinander bzw. mit der Umfäche der Nockenscheibe durch schräge Auflauf- flächen verbunden sind. Die Nockenscheibe N ist in an sich bekannter Weise auf der Steuerwelle Rdurch Nut und Feder verschiebbar angeordnet und kann von Hand durch einen Stell-
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stehen müssen. Die Nockenscheibe nimmt dann zum Hebel P die aus Fig. 2 ersichtliche Lage ein, bei der die Steuerrolle p1 lediglich mit dem Brennstoffnocken n1 zusammenarbeitet.
Sinkt die Belastung der Maschine unter halbe Last. so muss der Stellhebel in die Mittellage 11 übergeführt werden. Hiedurch wird bewirkt, dass der niedrige Teil der Hilfsnockens n2 in die Bahn der Steuer- welle gelangt. Es findet dann eine geringe Voröffnung des Brennstofventils vor dem Einspritzen des Brennstoffes statt. Bei Leerlauf endlich würde der Stellhebel/3 in Stellung Ill zu bringen sein. wobei dann der hohe Teil des Hilfsnockens n2 wirksam wird und eine grössere Voröffnung des Brennstoffventils herbeiführt. Die Einstellung der Nockenscheibe A entsprechend den verschiedenen Belastungen kann natürlich auch vom Geschwindigkeitsregler aus erfolgen.
Die Stelle der Nockenscheibe Y, an der der Hilfsnocken n2 zweckmässig anzuordnen ist, muss durch Versuche festgestellt werden.
Die in Fig. 3 und 4 dargestellte Ausführungsform unterscheidet sich von der zuerst be- schriebenen im wesentlichen dadurch, dass die Verbindung des Ringraumes G mit dem Arbeitszylinder nicht durch die Brennstoffdüsenöffnung, sondern durch einen besonders gesteuerten Cmführungskanal K erfolgt. Das Öffnen und Schliessen dieses Kanals wird hiebei durch ein Hilfsnadelventil L bewirkt. das unter Vermittlung eines zweiten. mit Bezug auf den Steuerhebel l" etwas mehr nach vorn liegenden Steuerhebels T ebenfalls von der Nockenscheibe. v aus gesteuert wird. Zu diesem Zwecke ist wiederum ausser dem normalen Brennstoffnocken nl auf der Nocken-
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Such an arrangement of the two cams n 'and 112 on the cam disk N is shown in FIG. 2. As can be seen from this figure, the main fuel cam n1 is approximately twice as wide as the auxiliary cam n2. In addition, the auxiliary cam n2 has two running surfaces of different heights, which are connected to one another or to the surface of the cam disk by inclined contact surfaces. The cam disk N is arranged in a manner known per se on the control shaft R by means of a tongue and groove and can be adjusted by hand using an adjusting
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have to stand. The cam disk then assumes the position shown in FIG. 2 relative to the lever P, in which the control roller p1 only works together with the fuel cam n1.
If the load on the machine drops below half load. so the control lever must be moved to the central position 11. This causes the lower part of the auxiliary cam n2 to get into the path of the control shaft. There is then a slight pre-opening of the fuel valve before the fuel is injected. Finally, when idling, the control lever / 3 would have to be brought into position III. the high part of the auxiliary cam n2 then takes effect and brings about a larger pre-opening of the fuel valve. The setting of the cam disk A according to the different loads can of course also be done from the speed controller.
The position of the cam disk Y at which the auxiliary cam n2 is to be appropriately positioned must be determined through tests.
The embodiment shown in FIGS. 3 and 4 differs from the first described essentially in that the connection of the annular space G to the working cylinder is not made through the fuel nozzle opening, but rather through a specially controlled channel K. The opening and closing of this channel is brought about by an auxiliary needle valve L. that with the mediation of a second. With reference to the control lever l "a little more forward control lever T is also controlled by the cam disk. v. For this purpose, in addition to the normal fuel cam nl on the cam-
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Claims (1)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE64672X | 1911-10-31 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| AT64672B true AT64672B (en) | 1914-05-11 |
Family
ID=5632501
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| AT64672D AT64672B (en) | 1911-10-31 | 1912-07-15 | Fuel injection device for internal combustion engines that work with fuel that is difficult to ignite. |
Country Status (1)
| Country | Link |
|---|---|
| AT (1) | AT64672B (en) |
-
1912
- 1912-07-15 AT AT64672D patent/AT64672B/en active
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