DE3321631A1 - Rotary piston engine - Google Patents

Abstract

The casing contains a rotary piston, which rotates centrically on the fixed bearing in the casing. In addition the combustion chambers with the exhaust ports, the spark plugs or the fuel injection system and a fixed annular gear are located in the casing. The rotary piston compressor, the rotary slide valves, the sealing pistons, the camshaft, the ignition chambers and the seals, which seal off the inner surface of the casing and the outer surface of the rotary pistons, are located in the rotary piston. The eccentric compression shaft, the rotary slide valve and the camshaft are driven by gears which are turned by means of the annular gear. The fuel mixture is forced into the ignition chamber and ignited by the compressor rotary pistons and the rotary slide valve. In the combustion chambers it transmits energy to the rotary pistons. The number of ignition chambers, combustion chambers and rotary pistons is unlimited. This engine design, which is close to the ideal theoretical solution, permits - a high torque - high speeds and power - a low fuel consumption - and a faultless combustion of the fuel mixture, which leaves a low percentage of toxic emissions in the exhaust gas.

Description

Paul (Jzernek .Dipl.-J ng. Dieselstrasse 27 7987 Weingarten

Weingarten, 06/06/1983

German Patent Office Zweibrückestr. 8000 Munich 2

Description:

Rotary piston engine

Applicant: Paul Üzernek Dipl.-Ing., Dieselstr.

7987 Weingarten

Inventor: same as applicant

2. Rotary piston internal combustion engine:

The invention relates to a rotary piston internal combustion engine according to the preamble of the claim

The given rotary piston internal combustion engine should address the disadvantages of gasoline engines and those of the Loosen Wanktel motors with the triangular piston shape, should have a very good torque, whereby the length of the lever arm does not depend on the function of the motor, but only on the size and performance requirements of the engine will be dependent.

The only rotary piston internal combustion engines that were both practical and practical Have found spread, work according to the so-called Wankel "method, in which a triangular-shaped rotor rotates eccentrically in a trochoidal cavity in a stator. An internal gear ring of the rotor meshes with a smaller internal gear on an eccentric shaft which the rotor rotates in the stator.

Internal combustion engines of this type are known, and their weaknesses and disadvantages are also known. The rotary piston engine Wankel II should avoid this - see "Auto Zeitung" magazine No. 17/82 Page 60-63. In the cylinder, which has the shape of an eight, two runners rotate, in each of them the both halves a rotor, a four-star rotor and a counter rotor. In the middle of the figure eight of the cylinder, the counter-rotor creates a combustion chamber in the cavity of the four-star rotor.

This solution is also not flawless in the drawn state, as can be seen in the working diagram.

The invention is based on the object of a rotary piston internal combustion engine, in particular to construct with air compression, which also after smaller

Change is suitable for an expanded printing medium, with a fixed jacket, the inner surface of which forms a circle with combustion chambers in cross section. In an interior of the mantle rotates one or more rotary pistons mounted in the jacket, the center of which with the center of the jacket is identical and each point on the piston encircles a circle. In cross section perpendicular to the piston boss should this rotary piston internal combustion engine be similar to an electric motor, also the exhaust gas problems, which with the Otto engines already from the construction are difficult to solve, the new design of the engine should allow.

Such a construction is not known.

This task is performed in a species-specific manner by the characterizing features of claim 1. / A. and subsidiary claim 1. / B. solved.

Achievable advantages compared to the previously proven rotary piston engines with a triangular piston and compared to the reciprocating piston engines:

- The rotary pistons do not make any irregular movements, the resulting inertia forces are low.

- With the regular dismantling of the combustion chamber in the circumference of the jacket, the flow of forces is equal the gas forces on the piston pin bearing, which results in a smooth run.

- In our motor version, one torque component - lever arm - is unlimited and independent on the good function and size of the motor. The larger this component at constant force and the piston revolutions, the greater the torque and also the engine power; or at constant power low fuel consumption.

When using several rotary pistons, one work cycle runs for each degree of rotation of the piston hub from, this process yields:

a, higher performance even at low speeds and lower fuel consumption

b, good torque elasticity values c, low idle speeds

d, a better applied torque on the piston boss

- Energy savings by simply switching off second and further rotary pistons from the work step when low or unneeded engine power is required.

(E.g. a 300 HP machine can use 5-7 1/100 km according to the power requirement Fuel).

High speeds and power - higher efficiency

- ilin very favorable power-to-weight ratio; the motor can be used for various drives.

- Environmentally friendly due to the low proportion of toxic components in the exhaust gas.

- Average manufacturing accuracy and longer engine life.

- Easy maintenance.

Embodiment 1 ,

is described below with reference to the drawings.

Pig, 1 rotary piston internal combustion engine with four combustion chambers in the vertical Piston hub section in the position: Compress the end - ignition

Fig. 2 Rotary piston internal combustion engine in the vertical piston boss section in the position:
End of work - exhaust

The rotary piston internal combustion engine shown in Fig. 1 and 2 runs counterclockwise. in the The casing (1) with the four combustion chambers (2) and four spark plugs (3) shown is the rotary piston (?) centrally supported by the piston hub (8). The jacket is with the coolant channels (4), one fixed gear ring (5) and the exhaust ducts (6).

In our case, the rotary piston has four compressors (9) of the rotary piston type, each with an eccentric shaft (13) which turn clockwise. The eccentric shaft is driven by a gear (14), which is firmly connected to the eccentric shaft and which is attached to the gear ring (5) turns. The rotary piston compressor (9) has two compression chambers (11 and 12): for each half the trochoidal shape of the rotary piston compressor, which is arranged with inlet and outlet ducts (15,16 and 17,18) is provided. The following numbers belong together: compression chamber (11), Inlet channel (15) and outlet channel (17) and compression chamber (12), inlet duct (16) and outlet duct (18).

Likewise, how the eccentric shaft is coupled to the gear ring (5) and thus also controlled, are the

Rotary valve (19) and the camshaft (21) coupled and controlled. The camshafts control the Sealing cage (23) in the direction of the jacket, the return movement of the sealing piston is from the Combustion karamer wall has been secured. The sealing pistons are in the rotary piston respectively movably attached by a piston pin (24) and by circlips.

The sealing pistons, the side sealing strips and the front sealing strips (25) form some sealed ones Chambers so that the working process can proceed in this way. Next are in the rotary piston the lubrication and cooling channels through which the engine oil flows.

The course of the working procedure:

The fuel mixture flows through the inlet duct (16) into the compression chamber (12), where it passes through the compression piston (10) is compressed and via the outlet channel (18) through the opened rotary valve (19) into the sealed ignition chamber (26) is forced into it. Towards the end of compression, when the pressure reaches its maximum value, closes the rotary valve (19) / control valve / through the control and drive wheel (20) and the spark plug (3) ignites the compressed fuel mixture. At the same time the combustion chamber (2) opens, in which the burning gases do the work of expansion release the expansion pressure on the sealing piston (23) and the entire rotary piston (7).

While this is happening, fresh air flows through the inlet duct (15) into the due to the negative pressure Compression chamber (11). Towards the end of the expansion work, the air is released by the burning gases the compression piston (10) through the outlet channel (17) and the opened rotary valve (19) into the combustion chamber (2) pressed.

This - the rotary piston (7) is cooled and the Enables supply of oxygen to the combustion chamber. This oxygen supply and a longer one The combustion time of the gases ensures perfect fuel combustion. This contains the exhaust gas a significantly lower percentage of poison than other designs.

After a further movement of the rotary piston (7), the sealing piston (23) moves to the lower position passed through the combustion chamber wall. The exhaust duct (6) is open and the exhaust gases can leave the combustion chamber. The exhaust gas remains pushed out of the combustion chamber through the back of the next sealing piston. / See Fig. 2 /. The heat from the rotary piston is carried by the engine oil, which is also the moving parts of the rotary piston lubricated, discharged to an oil cooler. The inertial forces caused by the compressor rotary piston movement, the movement of the sealing piston and the movement of the camshaft balance each other out by themselves.

As from the description of the rotary piston internal combustion engine can be seen, forms a rotary piston compressor with the arranged rotary valve and the Ignition chamber a unit of work. The number of working units in the rotary piston is the, the Combustion chamber in the jacket and the number of pistons unlimited.

The performance of the rotary piston engine is increased by using a fuel injection system. In Figs. 1 and 2, four working units and four combustion chambers are shown. During one rotation of the rotary piston around 360 ° there are 16 work cycles that corresponds to a 32-cylinder gasoline engine.

Embodiment 2.

Economically more advantageous is the solution with two or more rotary pistons and accordingly Perimeter of the shell arranged combustion chambers so that the beginning of the combustion chamber of the next rotary piston with the end of the previous rotary piston covered. This way you get a higher and more even torque.

Second and further rotary pistons can be connected to the rotary piston hub of the first main rotary piston through a synchronized gear coupling be coupled. This solution enables the engine to get the Better adapt to driving conditions and driving needs. The engine only gives that at the moment desired performance. The second and further rotary pistons are designed in such a way that they have a bring higher performance than the first main rotary piston.

That is, the main rotary piston is locked for starting and idling the engine. During operation, you can connect the second or more rotary pistons, which are also more powerful.

It is particularly advantageous for motor vehicles where the performance requirements are significantly different (e.g. truck operation).

The effect is based on - fuel consumption

- Environmental pollution engine life.

- · Ή «Ϊ ™"

List of reference symbols

1 a coat 2 Combustion chamber / work 3 spark plug 4th Coolant duct 5 Gear ring 6th Exhaust duct 7th Rotary piston 8th Rotary piston hub 9 Rotary piston compressor 10 Compression piston 11th Compression chamber 12th Compression chamber 13th Eccentric shaft 14th Eccentric shaft gear 15th Starter port 16 Starter port 17th Let out the channel 18th Exhaust port 19th Rotary valve 20th Rotary valve wheel 21 camshaft 22nd Camshaft gear 23 Sealing piston 24 Piston pin 25th Front sealing strip 26th Ignition chamber

Claims (1)

Rotary piston engine claims; M.) / A. Rotary piston internal combustion engine in a circular design, which has the shape of a circle in cross section perpendicular to the piston hub, the center of the interior of the jacket with the center of the piston, - the piston hub of which is centrally mounted in the jacket is identical, with one or more combustion chambers located in the jacket arranged outlet opening / openings, in which the compression and combustion processes are carried out in separate rooms, compression piston hubs are operated by the movement of the rotary piston and the distance between the inner surface of the jacket and the outer surface of the piston are sealed at several points by sealant so that A large number of sealed chambers are formed, a) characterized in that the fuel mixture is supplied to the compression piston through the inlet channel (s), compressed, pushed into the ignition chamber by an open control valve (rotary slide valve) and, after the control valve has closed, by a spark plug is ignited in the ignition chamber. b) characterized in that the air is supplied to the compression piston through the inlet duct / ducts in the compression chamber, compressed and pressed into the ignition chamber through the open control valve (rotary slide valve), the fuel being injected through the injection system, followed by the closure of the control valve and ignition of the fuel mixture in the ignition chamber through a spark plug. c) characterized in that the air is supplied to the compression piston through the inlet duct / ducts in the compression chamber, compressed and pressed into the ignition chamber through the open control valve (rotary slide valve), then the control valve is closed and after fuel is injected by the injection system into the ignition chamber , Inflammation. 1. / B. Rotary piston internal combustion engine in circling Type, which has the shape of a circle in cross section perpendicular to the piston boss, the center of the Interior of the jacket with the center of the piston - the piston hub of which is mounted centrally in the jacket is identical is, one in the plurality of working chambers located in the jacket with an outlet opening arranged / openings. The distance between the inner surface of the jacket and the outer surface of the Pistons are sealed at several points by sealant so that a plurality of sealed Form chambers, characterized in that the expanded pressure medium through inlet channel / channels and control valve (rotary slide valve) is guided into the working chamber with the outlet channel in the jacket.