DE1451726B

DE1451726B - Mixture-compressing rotary piston internal combustion engine

Info

Publication number: DE1451726B
Authority: DE
Inventors: Heinz 7300 Esslingen Lamm
Original assignee: Daimler Benz AG
Current assignee: Daimler Benz AG

Description

Arbeitskammer 10 der Maschine während des gesamten Lastbereiches. Der Brennstoff wird im Ausführungsbeispiel durch die im ersten Einlaßkanal 6 angeordnete, mit dem Strom der Verbrennungsluft abspritzende Einspritzdüse 12 geliefert. Selbstverständlich kann die Einspritzdüse auch entgegen dem Strom der Verbrennungsluft oder quer dazu spritzend angeordnet sein. An Stelle einer Einspritzdüse kann auch ein Vergaser vorgesehen sein, der an das Saugrohr 8 angeschlossen ist. Um hohe Geschwindigkeiten zu erzielen, ist der Querschnitt des ersten Einlaßkanals 6 verhältnismäßig klein ausgebildet. Der Mündungsquerschnitt 12 des ersten Einlaßkanals 6 ist so gestaltet, daß sich kurze Steuerzeiten ergeben. Der zweite Einlaßkanal 7 in dem Seitenteil 4 dient nur für die Zufuhr von Verbrennungsluft ab einem höheren Lastbereich. Zu diesem Zweck ist die Drosselklappe 13, die in dem an den zweiten Einlaßkanal? angeschlossenen Saugrohr 14 gelagert ist, mit der Drosselklappe 9 im Saugrohr 8 durch mechanische oder andere Mittel so gekoppelt, daß bis zu einem bestimmten Lastbereich allein die Drosselklappe 9 betätigt wird und daß ab diesem Lastbereich zusätzlich noch die Drosselklappe 13 im Saugrohr 14 geöffnet wird. Der Querschnitt des zweiten Einlaßkanals 7 ist größer als der des ersten Einlaßkanals 6. Der Mündungsquerschnitt 15 ist so gestaltet, daß sich Steuerzeiten ergeben, die größer sind als die beim ersten Einlaßkanal 6 mit dem Mündungsquerschnitt 12. Working chamber 10 of the machine during the entire load range. In the exemplary embodiment, the fuel is supplied through the injection nozzle 12 which is arranged in the first inlet channel 6 and is sprayed off with the flow of the combustion air. Of course, the injection nozzle can also be arranged to spray against the flow of the combustion air or at right angles to it. Instead of an injection nozzle, a carburetor connected to the suction pipe 8 can also be provided. In order to achieve high speeds, the cross section of the first inlet channel 6 is made relatively small. The mouth cross-section 12 of the first inlet channel 6 is designed so that short control times result. The second inlet channel 7 in the side part 4 is only used for the supply of combustion air from a higher load range. For this purpose, the throttle valve 13, which is in the one on the second intake port? connected intake manifold 14 is mounted, coupled to the throttle valve 9 in the intake manifold 8 by mechanical or other means so that up to a certain load range only the throttle valve 9 is operated and that from this load range the throttle valve 13 in the intake manifold 14 is also opened. The cross section of the second inlet channel 7 is larger than that of the first inlet channel 6. The mouth cross section 15 is designed in such a way that control times result which are greater than those of the first inlet channel 6 with the mouth cross section 12.

Hierzu 1 Blatt Zeichnungen1 sheet of drawings

Claims

1 2 Angle of incidence of the fuel jet on the KoI patent claims: ben flank changed, no special measures are provided to reduce small fuel consumption

1. To achieve mixture-compressing rotary piston values.

Internal combustion engine, in particular in Trochoi- 5 In contrast, the object of the invention is to make an eccentric shell with a shell limited within one axially both of which is based on a formation of the above-mentioned machine side by side parts, in such a way that the mixture formation moves the trisch rotating piston, which has an outlet port. Load ranges are adjusted in order to achieve favorable fuel consumption values in the jacket and two in both side parts,
opposite arranged inlet channels over- io The object is controlled according to the invention, characterized in that it is achieved by that the first inlet channel by means of the first inlet channel (6) by means of an injection nozzle or a carburetor fuel injection nozzle (11) or a carburetor fuel - Material is supplied, and that the second inlet channel is supplied with material, and that the second inlet channel (7) is only used to guide combustion air and only serves to guide combustion air is switched on, preferably from full load,
operating condition, preferably from full load, trains- In an advantageous embodiment of the invention is switched. The second object can only be used for guidance

2. Internal combustion engine according to claim 1, in that the intake duct serving combustion air is insbedurch characterized in that the second, only 20 special in the area of its working chamber side for the guidance of combustion air serving confluence have a larger cross-section than The inlet channel (7), in particular in the area of its first inlet channel, is supplied to the fuel the opening on the side chamber side, a larger one, and the opening cross section of the second one cross section (15) as the first inlet channel can be longitudinal in the direction of rotation of the piston (6). 25 smaller than the mouth cross-section of the first inlet

3. Internal combustion engine according to claim 1 or laßkanals.

2, characterized in that the orifice The first inlet channel, either by means of a cross section (15) of the second inlet channel (7) in the carburetor or by means of an injection nozzle fuel The direction of rotation of the piston (5) is longer than that supplied, occurs in all load ranges in the radio orifice cross-section (12) of the first inlet port. Its cross-section is relatively small, so nals (6). that high speeds are achieved in the fuel-air mixture flowing through the channel

the. The mouth cross-section is dimensioned so that

the tax times become short. There are favorable

35 permanent partial load consumption values. The second inlet duct, which only carries combustion air, is from the top

The invention relates to a mixed-in part-load range. Its cross section is a sealing rotary piston internal combustion engine, overall larger than that of the first inlet port. The special one in trochoid design, with an inside mouth cross-section, is dimensioned in such a way that the controls are always large, axially limited on both sides by side parts. In connection with the first casing eccentrically rotating piston, the one inlet duct, the second inlet duct, outlet duct in the casing and two in both side parts achieve high volumetric efficiency and favorable inlet ducts arranged opposite part-load consumption values. Because the mouths are overdriven. of the inlet channels are opposite one another, such a mixture-compressing rotary piston takes place in the fuel-air mixture.
Patent 1,337,634 known. In this known- In the drawing, the subject matter of the invented rotary piston internal combustion engine run is shown in an exemplary embodiment,
the central longitudinal axes of the inlet ducts obliquely to The rotary column shown in a longitudinal section transversely to the axial direction of the machine lying 50 ben internal combustion engine in trochoid design be-plane and at a distance parallel to each other, in order to essentially consist of the jacket 1 with that of the intake chamber in the interest of a good Ge track 2 to achieve a vortex from the mixed formation on both sides of the jacket 1. An adapted side parts 3, 4 and from the piston 5. The solution of the mixture formation at the respective load piston 5 is mounted on the eccentric of an eccentric shaft (not shown) under which the internal combustion engine is operated, which in turn is in the side provided so that low fuel parts 3, 4 are stored. The piston 5 runs relatively substance consumption values are not to be expected. According to the French patent specification, the housing of the machine 1 350 439, which is formed by the side parts of the machine, is the eccentric shaft and that of the casing and other parts of a rotary piston internal combustion engine and an injection 60 slides in the intake duct during its rotation, which is known from the machine a transmission, not shown, is controlled with the nozzle to be arranged in such a way that the fuel jet arranged in its corners radial seals on the central longitudinal axis of the inlet channel and at raceway 2. Here, the piston S controls the arranged at the open inlet cross-section on the inner man jacket 1 Outlet channel, the first inlet channel 6 arranged in the side area for cooling the piston against the piston part 3, and which is directed in the flank. 65 side part 4 provided second inlet channel 7.

Although in this injection internal combustion engine, the first inlet port 6, through which in the suction line good mixture formation is achieved in that pipe 8 arranged throttle valve 9 is controlled, is continuously used during the injection process to feed the fuel-air mixture into the