DEP0000659DA - Cylinder arrangement for internal combustion piston engines - Google Patents
Cylinder arrangement for internal combustion piston enginesInfo
- Publication number
- DEP0000659DA DEP0000659DA DEP0000659DA DE P0000659D A DEP0000659D A DE P0000659DA DE P0000659D A DEP0000659D A DE P0000659DA
- Authority
- DE
- Germany
- Prior art keywords
- axis
- cylinder
- internal combustion
- piston
- crank
- Prior art date
- Legal status (The legal status 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 status listed.)
- Expired
Links
- 238000002485 combustion reaction Methods 0.000 title claims description 3
- 230000001154 acute effect Effects 0.000 claims description 3
- 230000007812 deficiency Effects 0.000 description 1
- 238000004880 explosion Methods 0.000 description 1
- 230000002028 premature Effects 0.000 description 1
Description
Bei den bisher üblichen Kolbenmaschinen, insbesondere Verbrennungskraftmaschinen, befinden sich bei äußerer Totpunktstellung des Kolbens die Achse des Kolbenbolzens, die Achse des Kurbelzapfens und die Achse der Kurbelwelle in einer Ebene. Dies hat zur Folge, dass, wenn in dieser Stellung die Explosion erfolgt, Pleuelstange und Kurbel einen harten Stoß aufzunehmen haben, der vorzeitigen Verschleiß und geminderten Wirkungsgrad bedingt.In the previously common piston machines, in particular internal combustion engines, the axis of the piston pin, the axis of the crank pin and the axis of the crankshaft are in one plane when the piston is in the outer dead center position. As a result, if the explosion occurs in this position, the connecting rod and crank have to absorb a hard impact, which causes premature wear and a reduced degree of efficiency.
Der Erfindung liegt zugrunde, diesen Mangel zu beheben.The invention is based on eliminating this deficiency.
Zur Lösung dieser Aufgabe ist die Anordnung so getroffen,dass die Kurbelwellenachse seitlich außerhalb der Zylinderachse liegt, sodass bei der Kolbenstellung, bei welcher die Zylinderachse mit der Ebene durch die Kolbenbolzenachse und die Kurbelzapfenachse zusammen fällt, die Zylinderachse und die Kurbel einen spitzen Winkel einschließen. Zweckmäßig ist die Sitzfläche des Zylinders im Kurbelgehäuse durch einen keiligen überhöhten Flansch gebildet.To solve this problem, the arrangement is such that the crankshaft axis lies laterally outside the cylinder axis, so that in the piston position in which the cylinder axis coincides with the plane through the piston pin axis and the crank pin axis, the cylinder axis and the crank enclose an acute angle. The seat of the cylinder in the crankcase is expediently formed by a wedge-shaped raised flange.
Die Fig zeigt schematisch ein Ausführungsbeispiel im Zylinderachsschnitt.The figure shows schematically an embodiment in the cylinder axis section.
Der Kolben 1 befindet sich gemäß Zeichnung in der äußeren Totpunktstellung. Die Kurbelwellenachse 4 befindet sich seitlich außerhalb der Achse 2 des Zylinders 3. Es schließen also in der Kolbenstellung, in welcher die Zylinderachse 2 mit der Ebene durch die Kolbenbolzenachse 7 und die Achse 5 des Kurbelzapfens 6 zusammen fällt, die Zylinderachse 2 und die Kurbel einen spitzen Winkel (alpha) ein; mit anderen Worten, die Verbindung zwischen Kurbelwellenachse 4, der Achse 5 des Kurbelzapfens und der Achse 7 ist keine Gerade, sondern eine bei 5 gebrochene Linie. Un diese Stellung des Zylinders 3 gegenüber dem Kurbelgehäuse 9 auf einfachste Weise zu erreichen, ist die Sitzfläche 10 des Zylinders 3 im Kurbelgehäuse 9 keilig überhöht. Der Keilwinkel (alpha) entspricht dem Winkel (alpha), den die Zylinderachse 2 und die Kurbel einschließen, wenn die Zylinderachse mit der Ebene durch die Kolbenbolzenachse und die Kurbelzapfenachse zusammen fällt.The piston 1 is in the outer dead center position as shown in the drawing. The crankshaft axis 4 is located laterally outside the axis 2 of the cylinder 3. In the piston position in which the cylinder axis 2 coincides with the plane through the piston pin axis 7 and the axis 5 of the crank pin 6, the cylinder axis 2 and the crank one acute angle (alpha); In other words, the connection between the crankshaft axis 4, the axis 5 of the crank pin and the axis 7 is not a straight line, but a line broken at 5. In order to achieve this position of the cylinder 3 with respect to the crankcase 9 in the simplest manner, the seat surface 10 of the cylinder 3 in the crankcase 9 is elevated in a wedge-like manner. The wedge angle (alpha) corresponds to the angle (alpha) which the cylinder axis 2 and the crank enclose when the cylinder axis coincides with the plane through the piston pin axis and the crank pin axis.
In der Figur sind die maßgebende Achse 2', die Kurbelzapfenachse 5' und der entsprechende Winkel (alpha) für einen zweiten, in V-Lage zu dem Zylinder 3 zu denkende Zylinder angedeutet. Sinngemäß wäre die Einrichtung für Motore mit beliebiger anderer Anzahl und Anordnung der Zylinder zu treffen.In the figure, the decisive axis 2 ', the crank pin axis 5' and the corresponding angle (alpha) for a second cylinder to be thought of in a V-position to the cylinder 3 are indicated. Analogously, the device would have to be made for engines with any other number and arrangement of the cylinders.
Claims (2)
Family
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