DE244938C

DE244938C -

Info

Publication number: DE244938C
Application number: DENDAT244938D
Authority: DE

Description

Sitten «(EjempfarMorals «(Ejempfar

KAISERLICHESIMPERIAL

PATENTAMT.PATENT OFFICE.

PATENTSCHRIFTPATENT LETTERING

-JVI 244938-KLASSE 47e. GRUPPE -JVI 244938- CLASS 47e. GROUP

Patentiert im Deutschen Reiche vom 14. Dezember 1910 ab.Patented in the German Empire on December 14, 1910.

auf Grund der Anmeldung in Frankreich vom 5. Juli 1910 anerkannt.recognized on the basis of the registration in France on July 5, 1910.

Es sind bereits zum Schmieren von Kolben dienende Vorrichtungen bekannt, bei welchen am Umfange und im Innern des Kolbens Höhlungen vorgesehen sind, die zur Aufnahme des Schmiermittels dienen. Anderseits ist es bereits bekannt, an Explosionskraftmaschinen die Schmierung dadurch zu bewirken, daß der Kopf der Kurbelstange in öl eintaucht, das im Maschinengehäuse enthalten ist, und alsdann das Schmiermittel gegen die Wandungen des Zylinders spritzt. Die Schmierung kann auch unter Druck geschehen, indem das Schmiermittel durch Kanäle, welche bis zum Drehzapfen der Kurbelstange führen, geleitet wird. Im ersten Fall wird das gegen die Zylinderwandung gespritzte Öl durch den Kolben mitgeführt, wobei das Schmiermittel zwischen den Dichtungsringen und der Zylinderwandung vorbeigeht. Im zweiten Fall verteilt sich das Schmiermittel auf der Länge der äußeren Wand des Kolbens, und zwar auf jeder Seite seines Drehzapfens, wobei der eine Teil des Schmiermittels die oberhalb des Drehzapfens gelegenen Dichtungsringe schmiert, während der andere Teil zur Schmierung der unterhalb des Drehzapfens angeordneten Dichtungsringe dient. In diesen beiden Fällen wird der Schmiermittelbetrag entsprechend der Regelung durch die Verteilungsorgane verteilt und wieder erneuert. Die durch die Zersetzung des Schmiermittels erzeugten Produkte werden mit den Verbrennungsprodukten in großer Menge entfernt.There are already known for lubricating pistons serving devices in which on the circumference and inside the piston cavities are provided for receiving serve the lubricant. On the other hand, it is already known on explosion engines to effect the lubrication by dipping the head of the connecting rod in oil, the is contained in the machine housing, and then the lubricant against the walls of the cylinder splashes. Lubrication can also be done under pressure by using the Lubricant passed through channels that lead to the pivot of the connecting rod will. In the first case, the oil sprayed against the cylinder wall is passed through the piston entrained, the lubricant between the sealing rings and the cylinder wall passes by. In the second case, the lubricant spreads along the length of the outer wall of the piston, namely on each side of its pivot, the one part of the lubricant being the one above the The pivot pin lubricates the sealing rings, while the other part is used to lubricate the Sealing rings arranged below the pivot are used. In both of these cases the amount of lubricant is distributed by the distribution organs in accordance with the regulation and renewed again. The products created by the decomposition of the lubricant are removed in large quantities with the products of combustion.

Es ist nun sehr wichtig, das Schmiermittel so lange als möglich an der Außenwand des Kolbens zu halten, und zwar von dem Augenblick an, in dem das Schmiermittel an dem Kolben ankommt, bis zu dem Augenblick, in welchem das Schmiermittel zersetzt wird. Der Zeitraum, in dem sich das Schmiermittel in dem Kolben befindet, soll so lange als möglich andauern, um gleichzeitig die erforderliche Menge des Schmiermittels zu verringern und um stets eine gute Schmierung aufrecht zu erhalten. Dieser Zweck soll durch die Vorrichtung gemäß der Erfindung erfüllt werden. Bei der Einrichtung gemäß der Erfindung wird das Schmiermittel, welches sich auf die Zylinderwandung ergießt, in ringförmigen Rillen gesammelt, die zwischen den Dichtungsringen angebracht sind und durch Kanäle mit der Rückseite der Dichtungsringe in Verbindung stehen. Hierdurch wird eine ununterbrochene Schmierung auf der ganzen Oberfläche des Kolbens erzielt. Das Schmiermittel verteilt sich auf der ganzen Fläche des Kolbens und verläuft gleichzeitig in zwei geteilten Strömen an der Vorderseite und der Rückseite der Dichtungsringe. Der eine Strom dient zur Schmierung, während der andere eine Reserveschmiermenge für spätere Schmierung bildet.It is now very important to keep the lubricant on the outer wall of the for as long as possible To hold the piston from the moment the lubricant arrives at the piston until the moment in which the lubricant is decomposed. The period of time during which the lubricant is located in the piston should last as long as possible to simultaneously achieve the required To reduce the amount of lubricant and to always have good lubrication to maintain. This purpose is to be achieved by the device according to the invention will. In the device according to the invention, the lubricant, which poured onto the cylinder wall, collected in annular grooves between the O-rings are attached and through channels with the back of the O-rings stay in contact. This ensures uninterrupted lubrication all over the place Surface of the piston achieved. The lubricant spreads over the entire surface of the Piston and runs simultaneously in two split streams at the front and the Back of the sealing rings. One stream is used for lubrication, while the other forms a reserve lubrication amount for later lubrication.

Claims

An embodiment of the device according to the invention is on the drawing illustrated.

Fig. Ι shows a provided with a lubricating device according to the invention Piston half in a longitudinal section and half in a side view. Fig. 2 is part of the piston on a larger scale. '

According to the invention, the cylindrical wall of the piston α has between its sealing rings b channels c, the opposite edges of which are provided with projections which adjoin the fillets formed in the side walls of the channel. In these grooves, inclined channels or openings d are provided, through which the grooves are connected to the back of the grooves which are used to receive the adjacent sealing rings. The number of channels d of each flute can be any number. The channels of the two flutes of the same channel are arranged alternately in opposite directions in order to create a circulation of the lubricant. A series of conduits divides the entire cylindrical surface of the piston into suitably distributed zones, all of which are in communication with one another.

When applying the device according to the invention to a piston for explosion engines, which is not provided with sealing rings at the point at which the ends of the connecting axis of the piston meet with the drive rod, the rear sides of the sealing rings, which are on each side of the connecting axis are arranged, connected to the grooves that are located between these sealing rings and the axle. These channels are connected to one another by lines e , which are either arranged in the wall of the piston

. are net or are formed by tubes, as in the embodiment according to 1 is illustrated.

As a result of the device according to the invention, the whole amount of the lubricating material which hits the first sealing rings when the piston moves in one direction, for example in the direction indicated by the arrow f in FIG. 2, is introduced into the channel, which is arranged in front of this sealing ring. From here, the lubricant then passes through the channels d to the rear of the sealing ring, from which it lubricates the lateral rubbing walls and where it is partially distributed over the wall of the cylinder. The part of the lubricant which is located on the back of the sealing ring flows into the following channel, while the part which comes out on the outside of the first sealing ring is collected by the following sealing rings and fed into the channel which precedes this sealing ring. The lubricant is directed from this channel to the rear of this sealing ring. The same movement continues in one direction for each sealing ring during the entire stroke of the piston. The same effect, but in the opposite direction, is produced during the piston stroke in the opposite direction.

All of the lubricant used by the seal rings on each stroke of the piston runs off, spreads along the wall of the cylinder and partly goes between the sealing rings and the walls through and partially past the rear of the sealing rings.

As a result of this facility, there is uninterrupted circulation of the lubricant and achieves perfect lubrication of the piston on all its rubbing parts, without an accumulation of resinous parts being produced, as has hitherto been the case Case is.

In those cases where it is advisable to remove the lubricant from the work surface not to let the piston flow back, the outer, on this side of the piston lines are closed.

Patsnt claim:

Device for lubricating the pistons of explosion engines, in which annular lubrication channels are provided between the grooves serving to accommodate the sealing rings, characterized in that these grooves (c) are connected to the bottom surface of the grooves for the sealing rings through channels (d) of small cross-section stand and collect the lubricant sprayed against the inner cylinder surface during the movement of the piston, so that it partly wall between the sealing rings (b) and the cylinder and partly behind the sealing rings and there forms a lubricant supply through which the lubrication of the subsequent sealing rings happens.

1 sheet of drawings,