EP2134923A2

EP2134923A2 - Oscillating piston-type internal combustion engine

Info

Publication number: EP2134923A2
Application number: EP08717195A
Authority: EP
Inventors: Bernd Jung
Original assignee: Jung Brigitte; Jung Nadine
Current assignee: Jung Brigitte; Jung Nadine
Priority date: 2007-02-28
Filing date: 2008-02-27
Publication date: 2009-12-23
Also published as: DE102007009707A1; WO2008104569A3; WO2008104569A2

Abstract

The invention relates to an oscillating piston-type internal combustion engine (10) comprising a rotationally symmetrical cylinder chamber which extends concentric to a first shaft and contains at least one piston (18) that can be swiveled back and forth therein. In order to obtain a great degree of compression and high efficiency, the cylinder chamber is subdivided into n partial chambers, a piston can be swiveled back and forth in each partial chamber, each partial chamber is subdivided into two combustion chambers (22, 24) by means of said piston that can be swiveled back and forth therein, and preferably each combustion chamber is connected to a connection that delivers a supercharged gas.

Description

Schwin gkolbenverbrennun g smotor

The invention relates to an oscillating piston internal combustion engine comprising a concentric with a first shaft extending preferably rotationally symmetrical a torus shape or a portion of this cylinder having cylinder space with at least one in this reciprocating piston.

A corresponding oscillating piston internal combustion engine can be found in DE-C-195 23 736. This is a four-stroke engine, in which the oscillating piston limits a single combustion chamber. The piston is connected via a clutch with an output shaft such that the oscillatory movements are transformed into a uniform rotational movement of the output shaft.

Other oscillating piston engines or machines are z. DE-C-199 01 110, DE-B-10 2005 038 447, DE-A-10 2005 024 751, DE-B-10 2005 023 721 or DE-U-298 22 542 remove.

The present invention is based on the object to provide an oscillating piston internal combustion engine available, whereby a high compression while high efficiency can be achieved. The possibility of a uniform tappable rotational movement should be given. Also, according to a further aspect of the invention, the compression pressure in the combustion chambers should be variably adjustable.

The object is achieved essentially according to the invention in that the cylinder space is subdivided into subareas, that in each subspace a piston can be rocked back and forth, and that each subspace is subdivided into two combustion chambers by the piston reciprocatable in this submerged chamber is and that preferably each combustion chamber is connected to a pre-compressed gas supplying port. Every clock is a work cycle. According to the invention, an oscillating piston internal combustion engine is provided, in which, compared to four-stroke engines basically dead work is not performed. Rather, with each movement of the piston in one direction, a compression and ignition, so that a high efficiency can be achieved. Crank bearings are not required, so that an oil-free construction is possible. In this case, the cylinder housing and the piston can be made of ceramic material, so that results in a lightweight construction.

If the oscillating piston internal combustion engine is used as a direct drive for rotating or rotating movement, the output shaft can be the shaft about which the piston can be oscillated back and forth.

However, there is also the possibility that the fiction, contemporary engine is operated as a gas generator. In this case, the mechanical power is tapped on the turbine side. In this case, the turbine can be mounted on a shaft from which the rotor of a generator emanates, so that electrical energy can be generated at the same time. Furthermore, a compressor can start from the shaft, via which the combustion chambers pre-compressed air in the desired extent can be supplied. However, the compressor can be omitted if a separate supercharger or a fan are available.

Further advantages of the motor according to the invention are:

optimal torque, because the force always engages the best point. The concentricity of the motor benefits from the fact that there are no open work cycles and rotation-inhibiting dead center positions.

There is also the possibility of switching several oscillating piston internal combustion engines one behind the other or parallel to each other.

Between the individual combustion chambers pressure equalization channels can run, whereby equal working pressure conditions are generated. Due to the missing crank drive very high ignition pressures can be realized.

There is the possibility that ignition times and / or fuel management can be controlled by means of electronic detection of the torque and / or the piston speed.

In particular, it is provided that the piston emanates from a piston disk, which in turn starts from a shaft, which may be output shaft or is connected via at least one clutch and / or a transmission to the output shaft.

Several pistons can start from a common piston disc. However, there is also the possibility that pistons emanate from separate piston discs. In this case, the oppositely moving piston discs z. B. via gears or electronically synchronized.

Furthermore, there is the possibility that a multi-stage combustion takes place. For this purpose, fuel can be supplied to the combustion chamber at several points.

In order to implement the reciprocating motion, ie the reciprocating pivoting of the pistons in a same direction rotating movement is provided according to a proposal of the invention that the piston disc emanating from the first shaft, which is designed as a first hollow shaft, that the first hollow shaft is penetrated by a second shaft and in that the hollow shaft and the second shaft are connected to each other via gears, via which the movement is convertible into a uniform. In this case, the first hollow shaft is connected via connecting means such as a coupling with the second shaft and a second hollow shaft, wherein the connecting means transmit to the second shaft one of the two directions of movement and on the second hollow shaft the other of the two directions of movement of the piston disc. There is also the possibility that the second shaft is connected to a sun gear of a planetary gear, whereas the second hollow shaft is formed as a ring gear, which via planet gears with the Sun gear is in operative connection. Thus, the reciprocating motion of the piston or can be converted into a common direction of rotation.

There is also the possibility that the second hollow shaft is connected to a wheel of a planetary gear, the sun gear is connected to the second shaft, wherein the wheel and the sun gear combing a transition to the output bell gear.

According to a further proposal of the invention, the piston disc is formed as a cylindrical disc or has a portion of this, which has a circumferentially radially projecting first projection, that the cylinder space has a hollow cylinder geometry with a radially outwardly extending second projection extending from the inner wall , along which the cylinder disc sealingly abuts, and that the piston forming the first projection sealingly abuts against the inner wall of the cylinder chamber. Thus, the piston or first projection defines two combustion chambers which are delimited by the outer surfaces of the second projection.

In a further development it is provided that from diametrically opposite circumferential sides of the cylinder disc each emanate a radially protruding first projection as the respective piston and that emanating from the inner wall of the cylinder chamber of diametrically opposite regions, two radially inwardly directed second projections. Thus, the oscillating piston internal combustion engine has four combustion chambers, which are delimited by the two first projections of the piston disc.

Regardless of how many first protrusions emanating from the cylinder disk are provided, the protrusion should have a trapezoidal geometry in section. The or the second projections, which emanate from the inner wall of the cylinder chamber, have a triangular geometry in the radial direction, wherein the surfaces of the combustion chambers bounding the first and second projections are inclined to each other such that the combustion chamber outer side distance is greater than brennrauminnenseitiger distance. A further embodiment of the oscillating piston internal combustion engine provides that the piston disc is connected via freewheels with two shafts, that on one of the waves one of the directions of movement and on the other shaft, the other direction of movement of the piston disc is transferable, that the waves via connecting means such as gears or - belt is connected to a respective output shaft, which in turn are interconnected via gears.

Furthermore, there is the possibility that the piston disk can be flowed through by cooling air.

The pistons themselves can have an H-geometry in longitudinal section, whose transverse limb extends in the longitudinal direction of the combustion chamber. This results in a lightweight design.

The Gaseinlass- and -auslas söffnun conditions of the combustion chamber can be closed by preferably controlled valves such as solenoid valves, without this being a mandatory feature. In particular, however, it is provided that the gas inlet and outlet openings extend approximately centrally between the dead center positions of the piston. As a result - if any valves are used - they are applied only with low pressure, with no valve on the outlet side - only openings - and preferably meet on the inlet side check valves.

Further details, advantages and features of the invention will become apparent not only from the claims, the features to be taken from them-alone and / or in combination-but also from the following description of preferred embodiments to be taken from the drawings.

Show it:

Fig. 1 shows a first embodiment of an oscillating piston combustion engine in

Sectional view

2 shows the oscillating piston internal combustion engine according to FIG. 1 in longitudinal section, FIG. 3 shows a transmission for generating a rotational movement in the same direction,

4 shows a second embodiment of an oscillating piston combustion engine,

5 shows a detail of a third embodiment of an oscillating piston combustion smotor s,

6 shows a fourth embodiment of an oscillating piston internal combustion engine in section,

7 shows a fifth embodiment of an oscillating piston internal combustion engine in section,

Fig. 8 is a sectional view of the oscillating piston combustion engine according to

Fig. 7,

9 shows a sixth embodiment of an oscillating piston combustion engine,

10 shows a seventh embodiment of an oscillating piston combustion engine,

11 shows an eighth embodiment of an oscillating piston combustion engine,

Fig. 12 is a schematic diagram of the oscillating piston internal combustion engine according to

7 with integrated energy converter system,

13 shows a further embodiment of an oscillating piston combustion engine,

14 shows two synchronized oscillating piston combustion engines and

Fig. 15 coupled to each other Schwingkolbenverbrennungsmotore.

In the figures 1 to 12, in which basically the same elements are provided with the same reference numerals, preferred embodiments of oscillating piston internal combustion engines in the form of swing or oscillating piston engines and in Figs. 13 to 15 oscillating piston internal combustion engines in the form of free-piston engines shown purely in principle, the common Doctrine obeys that a cylinder space is subdivided into n subspaces, that in each subspace a piston is arranged back and forth swinging or -schwingbar and that divides each subspace of the reciprocating and swingable in this piston into two combustion chambers is, wherein preferably each combustion chamber to the desired extent a precompressed Gas can be supplied to adjust in this way a variable compression pressure can. Every clock is a work cycle.

The essential components of the oscillating piston internal combustion engine, in particular the piston and the cylinder housing, may be made of ceramic material, resulting in a lightweight construction. Since bearings, crankshafts, etc. are not required, an oil-free construction is possible. Ignition pressures in the very high range are readily manageable due to the lack of crank drive. Likewise, a chemical compression or the use of high-energy fuels is possible.

FIGS. 1 and 2 show a first embodiment of an oscillating piston internal combustion engine 10, which has a housing 12 in which a rotationally symmetrical cylinder space 14 extending in a section of a toroidal shape runs, in which a piston starting from a piston disk 16 has a piston with an H-geometry 18 is swingable back and forth. The Kobenscheibe 16 is sealed by means of circumferentially extending piston ring 20 relative to the cylinder chamber 14. The piston 18 divides the cylinder chamber 14 into two combustion chambers 22, 24, so that ignition takes place in each direction of movement with each pivoting of the piston 18. In the cylinder chamber 24 and thus in the combustion chambers 22, 24 can be carried out by injecting fuels such as water methanol emulsion at various points 30, 32, 34, 36 a multi-stage combustion.

The cylinder chamber 14 has an outgoing from the inner wall 26 projection 38 which is sealed against the piston ring 20 and faces 40, 42 of the combustion chambers 22, 24 forms. The opposite end surfaces are bounded by the outer surfaces 44, 46 of the piston, which is reciprocable to the end faces 40, 42.

Diametrically opposite to the projection 38 are a gas inlet 48 and in the middle between the gas inlet 48 and the projection 38 is a possibly. Via a controlled valve such as solenoid valve 50, 52 closable outlet 54, 56 is provided. The piston disk 16 is based on a hollow shaft 58 to be designated as a first shaft, which is supported in the cylinder housing 12 via bearings 60, 62. Outside the cylinder housing 12, the hollow shaft 58 is in cup-shaped discs 64, 66, which is connected via a respective freewheel or a clutch 68, 70 with shafts 72, 75. In this case, the shaft 72 merges into a second shaft 74, which extends within the hollow shaft 58 and is connected to a sun gear 76 of a planetary gear.

The shaft 74 is formed as a hollow shaft in the form of a ring gear, which forms the planetary gear with the sun gear 76 via planetary gears, not shown, so as to implement the reciprocating motion of the piston 18 and thus the piston disk 16 in the same direction rotational movement. However, this is not necessary if z. B. on each side a generator for power generation is installed. Hybrid drive for vehicles or other individual energy converters or combination thereof such as CHP etc.

The freewheels 78, 70 ensure that only one of the oscillating movements of the piston 18 is transmitted to the shaft 72 or 74. If clutches are used instead of freewheels, then this switches, if there is no relative speed between drive and driving, d. H. load-free, virtually at zero crossing. It is a wear-free use possible.

Non-contact electromagnetic, non-positive means of piezoelectric translators, electromechanical, pneumatic, mechanical, e.g. By means of mechanical freewheeling with electromagnetically or piezoelectrically influenced clamping pieces, hydroelectrically connected or even form-fitting couplings are possible for the realization of the transmission of the pivotal movement of the piston 18. A related type of coupling is otherwise conceivable for all embodiments.

In Fig. 3 is shown in a further embodiment, as the reciprocating motion of the piston 18 can be converted into a uniform rotational movement. Thus, an output shaft 78 emanating from a bevel gear 80 of a bevel gear 81, the bevel gear 82 of the first shaft 58 passing through the second shaft 74 is driven. The bevel gear 82 opposite wheel 84 is driven by the shaft 75.

A vibrating piston combustion engine 86 to be taken from FIG. 4 has - deviating from the teaching of FIG. 1 - two pistons 18, 88, one of each of which starts from a separate piston disc 16. The piston discs can mesh with each other via gears to mechanically ensure synchronous movement. Since two pistons 18, 80 are provided, the cylinder space 24 is divided by two projections 38, 90 into two subspaces 92, 94, wherein each subspace 92, 94 through the respective reciprocating in this piston 18, 88 in turn into two combustion chambers 96, 98, 100, 102 is divided. In the middle between the projections 38, 90 gas inlets 104, 106 and gas outlets 108, 110, 112, 114 are present, which if necessary. - According to FIG. 1 - controlled valves can be assigned. By way of the gas inlets 104, 106, pre-compressed gas can flow into the cylinder subspaces 92, 94 to the desired extent.

If pre-compressed gas is not supplied, fresh gas can be sucked into the cylinder chambers by the wandering pressure wave in the exhaust pipe and the resulting negative pressure in the cylinder space. By means of a z. B. pressure wave compressor, the effect can be optimized.

Furthermore, the projections 38, 90 which are sealed off from the piston ring 20 can have passage openings 116, 118, via which a connection between the combustion chambers 96, 100 or 98, 102 takes place. Thus, equal working pressure conditions in the combustion chambers 96, 98, 100, 102 can be generated.

In the region of the projections 38, 90, which limit the combustion chambers 96, 98, 100, 102 frontally, unspecified fuel injectors may be provided. In addition, ignition devices such as spark plugs are installed in this area.

Preferably, the engines of the invention are operated with auto-ignition. About the gas inlet openings 104, 106 can be mentioned pre-compressed gas combustion chambers 96, 98, 100, 012 are supplied. This can be done by means of an electric motor assisting turbocharger, which is preferably designed so that it can also be used as an electricity supplier for the operating system. The exemplary embodiment shows a compressor 120 whose wheel 122 starts from a shaft 124, on which a wheel 126 of a turbine 128 and a rotor 130 of a motor / generator 132 are arranged. Furthermore, the gas outlet openings 108, 110, 112, 114 are connected to the inlet of the turbine 128.

Of course, a separate supercharger or a blower may be present in order to feed the precompressed gas via the gas inlet openings 104, 106 to the combustion chambers 96, 98, 100, 102.

The oscillating piston engine 86 can also serve as a gas generator and, in conjunction with a downstream turbine and upstream compressor forms a compact powerful drive unit.

FIG. 5 shows a section of a further oscillating piston combustion engine 134, which differs from that of FIG. 4 in that no cross-sectionally H-shaped pistons 18, 88 but webs 136, 138 projecting from the piston disk 16 are provided exercise the function of short pistons.

Another embodiment of an oscillating piston combustion engine 140 characterizing the invention results purely in principle from FIG. 6.

In a cylinder housing 142, a piston plate 144 is arranged to swing back and forth. The piston disk 144 has a base body 146, which is similar to a cylinder disk, with first protrusions 148, 150 having a trapezoidal geometry projecting therefrom in opposite directions as the pistons which can be reciprocated back and forth along the inner wall 152 of the cylinder housing 142. From the inner wall 152 of the cylinder 142 extend radially inwardly directed and in the radial direction in the section a triangular geometry having second projections 154, 156, against the sealingly slides the disk-shaped base body 146 of the piston disk 144 along.

The corresponding geometry of the cylinder space 143 of the cylinder housing 142 and the formation of the piston disk 144 result in a total of four combustion chambers 158, 160, 162, 164.

The embodiment of FIG. 7 differs from that of FIG. 6 in that only one function of the piston exerts the first projection 148 of the piston disk 144, which is sealed against the inner wall 152 of the cylinder housing 142. Since only one piston 148 is present, only one second projection 154 projects from the inner wall 152, by means of which the cylinder interior 143 is subdivided into two combustion chambers 166, 168.

According to the teaching according to the invention, the reciprocating motion of the piston disc 146 can be implemented in a uniform, ie the same direction movement as shown in FIG. Thus, stub shafts 174, 176 which are mounted in the housing 142 extend from the piston disk 146, which is sealed off from the housing 142 via seals 170, 172. The stub shafts 174, 176 have drive plates 178, 180, which are connected via clutches 182, 184 of the type described above with output shafts 186, 188. In this case, the output shaft 186 is connected to a reversing gear 189, so that the outgoing from the reversing gear 189 shaft stub 190 rotates in the same direction to the output shaft 188. The various embodiments and others can be arranged universally or relate to all engine variants.

FIG. 9 shows an oscillating piston combustion engine 192, which may have a basic structure like that of FIG. Deviating from the relevant embodiment emanate from an oil chamber 194 shafts 196, 198, which are connected to arranged in the oil chamber 194 discs 200, 202, in turn, over Freewheels 204, 206 are in operative connection with the piston disk 16. The shafts 196, 198 are mounted in the housing 12.

The waves 196, 198 are then z. As gears or along discs running toothed belt 208, 210 connected to output shafts 212, 214, which in turn are connected via connecting means such as gears 216, 218. Thus, there is the possibility that either from the output shaft 212 or the output shaft 214, a rotational movement can be tapped, which runs opposite. Regardless, however, each output shaft 212, 214 has 100% power since the output shafts 212, 214 are connected via the gears 216, 218. One application is a hybrid drive for vehicles preferably with a downstream continuously variable transmission, such as mechanical transducers. On one side, a generator can be arranged.

The embodiments of FIGS. 10 and 11 represent purely oscillating piston engines 216 and 218, respectively, in which two pistons 220, 222 and four pistons 226, 228, 230, 232 originate from one piston disk 16. Accordingly, the cylinder chamber 134 is subdivided into two subspaces 236, 238 or the cylinder chamber 240 according to FIG. 11 into four subspaces 242, 244, 246, 248, which in turn are each connected by the pistons 220, 222, 226, 228, 230, 232 in FIG two combustion chambers are divided.

As shown in the diagram, compounds for the gas inlet and outlet start from the middle region of the subspaces 236, 238, 242, 244, 246, 248. These are symbolized by open circles, without these being marked.

As shown in FIG. 12, the oscillating piston engine 165 may be connected to an energy converter 250 as explained in FIG. 4. In this case, gas can be supplied from the supercharger 120 via a line 252 and an opening 254, which can be closed or released via a solenoid valve 256, to the cylinder chamber 143 and thus to the combustion chambers 166, 168. Basically illustrated outlet openings 258 is then combustion gas via a Lei device 260 is supplied to the turbine wheel 126 of the turbine 128, via which the generator 132 or other is driven.

FIGS. 13 to 15 show, purely in principle, embodiments of oscillating piston internal combustion engines with pistons which can be oscillated linearly back and forth, with which a rotational movement can likewise be generated by a mechanical drive in accordance with the teachings of the invention.

Thus, FIG. 13 shows an oscillating piston internal combustion engine 300, the piston 302 of which divides a cylinder space 304 into two combustion chambers 306, 308, so that each reciprocation is a working stroke. From the piston 302 is a piston rod 310, which merges in their running outside of the cylinder chamber 304 ends in racks 314, 316. The gas inlet and the combustion gas outlet can be clearly seen in the drawing without further explanation. Here, the combustion chambers 306, 308 supplied with precompressed gas which is generated by means of a compressor 320 whose wheel 322 emanates from a shaft 324 of a motor / generator 327 on which a paddle wheel of a turbine 326 is arranged. The compressor 320 is connected to the gas inlets 323 of the combustion chambers 306, 308 and the gas outlet 328 to the turbine 326. The motor 327 first serves to generate pre-compressed gas which is supplied to the oscillating piston internal combustion engine 300. After the oscillating piston internal combustion engine 300, d. H. whose piston oscillates, the electric motor as a generator, which is actuated via the turbine 326, which is acted upon by the combustion gas s of the oscillating piston engine 300, act or provide additional energy for the precompression.

The racks 314, 316 mesh with gears 330, which is connected according to the embodiment of FIG. 8 with a shaft 332, which in turn converts by means of the coupling 182, the rotational movement of the gear 330 in a same direction rotational movement. Accordingly, from the left side of the shaft 332, a disk corresponding to the disk 180 shown in FIG. 8 is formed to transform the rotational motion of the gear 330 not transmitted to the stub shaft 188. In FIG. 14, two oscillating piston internal combustion engines 300 corresponding to FIG. 13 are synchronized. For this purpose, the racks 314, 316, which emanate from the mutually aligned oscillating piston internal combustion engines 300, coupled via the gear 330, so that a synchronized movement takes place. As a result, a smooth run is given in mass balance. The gearwheel 330 is then connected to output shafts or output shaft stubs 188, 190 via clutches or freewheels, as explained in connection with FIGS.

Alternatively, the movement of the gear 330 in a direction z. B. transferred to a generator and in the other direction to a compressor or other generator.

FIG. 15 illustrates a further development of the embodiment of FIG. 14 and additionally takes into account the possibility that precompressed gas is supplied to the combustion chambers of oscillating piston combustion engines 334, 336 via a compressor 338 which is generated by a shaft 340 of a motor / generator 342 in accordance with FIG Fig. 13 goes out. On the same shaft 340, a turbine 344 is arranged with its paddle wheel. Further, the shaft 340 may be connected to an output shaft 346, z. B. via gears.

The oscillating piston combustion engines 334, 336, which basically have the same design, each comprise a total of six combustion chambers, so that basically a twelve-cylinder engine is represented. The piston rods 348, 350 of the oscillating piston engines 334, 336 are connected outside the cylinders to racks 352, 354, which intersect with the gearwheel 330 to be taken from FIGS. 13 and 15, which in turn corresponds to the explanations of FIG. 13 offset via couplings output shaft stumps in the same direction rotational movements.

It is also made clear from FIG. 15 that each of the pistons of the oscillating piston combustion engines 334, 336 subdivides a cylinder space into two combustion chambers that every bar is a working act. In that regard, however, reference is made to the previously made explanations. Incidentally, the figures are self-explanatory.

As shown in FIG. 15, the piston rod 350 outside of the cylinder having the combustion chambers in a further piston 356, which is in a space 356 back and forth swinging, in order z. B. exercise the function of a supercharger or act as a working module.

Claims

Claims: Engine combustion engine

An oscillating piston internal combustion engine (10, 86, 134, 140, 165, 116, 218) comprising a concentric about a first shaft (58, 174, 176, 196) extending preferably rotationally symmetrical a torus shape or a portion of this cylinder space having ( 14, 94, 134, 240) with at least one piston (18, 88, 136, 138, 148, 150, 120, 222, 226, 228, 230, 232) which can be swiveled or swiveled in the latter in that the cylinder space (14, 94, 134, 240) is subdivided into n subspaces (92, 94, 136, 238, 242, 244, 246, 248), that in each subspace a piston (18, 88, 136, 138, 148, 150, 220, 222, 226, 228, 230, 232) is swingable back and forth and that each subspace of the reciprocating in this reciprocating piston in two combustion chambers (22, 24, 96, 98, 100, 102, 158, 160, 162, 164, 166, 168), where n> 1 and each clock is a work cycle.

2. oscillating piston internal combustion engine according to claim 1, characterized in that each combustion chamber (22, 24, 96, 98, 100, 102, 158, 160, 162, 164, 166, 168) connected to a pre-compressed gas supplying port (48, 254) is.

3. oscillating piston internal combustion engine according to claim 1 or 2, characterized in that the piston (18, 88, 136, 138, 148, 150, 220, 222, 226, 228, 230, 232) of a piston disc (16, 144) emanates, which is connected to the first shaft (58, 174, 176), which in turn is the wear shaft (188) or at least one clutch and / or a transmission (81, 188, 208, 210) with the output shaft (78, 212, 214 , 190).

4. oscillating piston internal combustion engine according to at least one of the preceding claims, characterized in that ignition timing and / or fuel management by means of electronic detection of the torque and / or the piston speed can be controlled.

5. oscillating piston internal combustion engine according to at least one of the preceding claims, characterized in that combustion chambers (96, 100) via at least one pressure equalization channel (38) are connected.

6. oscillating piston internal combustion engine according to at least one of the preceding claims, characterized in that a plurality of pistons (148, 150, 220, 222, 226, 228, 230, 232) emanating from a common piston disc (16, 144).

7. oscillating piston internal combustion engine according to at least one of the preceding claims, characterized in that the pistons (18, 88, 136, 138) emanating from separate piston discs (16), preferably z. B. are synchronized via gears and / or electronically in their movement.

8. oscillating piston internal combustion engine according to at least one of the preceding claims, characterized in that the combustion chamber (22, 24) at more in the direction of movement of the piston

(18) spaced apart fuel is supplied.

9. oscillating piston internal combustion engine according to at least one of the preceding claims, characterized in that the first shaft (58) is designed as a first hollow shaft, that the first hollow shaft of a second shaft (74) is interspersed and that the first hollow shaft and the second shaft via a Gearboxes are interconnected, via which the movement is convertible into a uniform.

10. oscillating piston internal combustion engine according to at least one of the preceding claims, characterized in that the second shaft (74) is connected to the sun gear (76) of a planetary gear, which interacts via planet gears with a ring gear via a clutch or a freewheel (70) the shaft (58) is connected.

11. oscillating piston internal combustion engine according to at least one of the preceding claims, characterized in that the second shaft (74) with a sun or bevel gear (76, 82) of a transmission (81) is connected.

12. oscillating piston internal combustion engine according to at least one of the preceding claims, characterized in that the first hollow shaft (58) via first and second connecting means such as couplings (68, 70) with the second shaft (74) and a second hollow shaft (75) is connected, wherein first connecting means (68) transmit to the second shaft one of the two directions of movement of the piston disc (16) and via the second connecting means to the second hollow shaft (78) the other of the two directions of movement of the piston disc.

13. oscillating piston internal combustion engine according to at least one of the preceding claims, characterized in that the first shaft (174, 176) on both sides of the piston disc (144) each having a stub shaft (174, 176) extends, that each of the stub shafts via a connecting means such as Clutch (178,

180, 182, 184) transmits one of the directions of movement of the piston disc to a further shaft (186, 188) and that one of the further stub shafts (186)

Reversing gears (189) interspersed.

14. oscillating piston internal combustion engine according to at least one of the preceding claims, characterized in that the piston disc (144) has a cylindrical disc-shaped base body (146) with radially projecting from this the piston (148, 150) forming the first projection, that the cylinder chamber (143) has a hollow cylinder geometry with a second projection (154, 156) directed radially inwardly from its inner wall (142), against which the base body sealingly abuts, and in that the first projection bears sealingly against the inner wall of the cylinder chamber.

15. oscillating piston internal combustion engine according to at least one of the preceding claims, characterized in that from diametrically opposite areas of the base body (144) each have a radially projecting first projection than the piston (148, 150) and that of the inner wall (152) of diametrically opposite lying regions of the cylinder chamber (143) two radially inwardly directed second projections (154, 156) go out.

16. oscillating piston internal combustion engine according to at least one of the preceding claims, characterized in that the piston forming the first projection (148, 150) in the radial direction in

Section has a trapezoid geometry.

17. oscillating piston internal combustion engine according to at least one of the preceding claims, characterized in that of the inner wall (152) inwardly directed second projection

(154, 156) has a triangular geometry in the radial direction.

18. oscillating piston internal combustion engine according to at least one of the preceding claims, characterized in that the combustion chambers (158, 160, 162, 166, 168) limiting facing surfaces of the first and second projections (148, 150, 154, 156) are inclined to each other, that the outside space of the combustion chamber is greater than the distance between the burner chamber and the burner chamber.

19. oscillating piston internal combustion engine according to at least one of the preceding claims, characterized in that the piston disc (16) via freewheels or couplings (204, 206) with two shafts (196, 198) is connected, that a shaft one of the directions of movement of the piston disc and the other wave transmitted the other direction of movement and that the waves via connecting means such as gears or belts (208, 210) are each connected to an output shaft (212, 214), which via gears

(216, 218) are interconnected.

20. oscillating piston internal combustion engine according to at least one of the preceding claims, characterized in that the combustion chambers (96, 98, 100, 102, 166, 168) with their gas outlet openings (108, 110, 112, 114, 258) connected to a turbine (128) are whose shaft (124) shaft of a motor-generator (132).

21. oscillating piston internal combustion engine according to at least one of the preceding claims, characterized in that from the turbine or generator shaft (124) a compressor wheel (122) of a compressor (120) emanates whose output with gas inlet opening (104, 106, 254) of the combustion chamber ( 96, 98, 100, 102, 166, 168).

22. oscillating piston internal combustion engine according to at least one of the preceding claims, characterized in that the piston disc (146) can be flowed through by cooling air.

23. oscillating piston internal combustion engine according to at least one of the preceding claims, characterized in that the piston (18) in longitudinal section has an H-geometry whose transverse leg extends in the longitudinal direction of the combustion chamber (96, 98).

24. oscillating piston internal combustion engine according to at least one of the preceding claims, characterized in that the gas inlet and / or outlet opening (104, 106, 108, 110, 112, 254, 258) via a preferably controlled valve such as solenoid valve (256) closable is.

25. oscillating piston internal combustion engine according to at least one of the preceding claims, characterized in that the piston (18, 88, 136, 138, 148, 150, 220, 222, 226, 228, 230, 232) and / or the piston disc (16, 144 ) and / or the cylinder chamber (14, 143) surrounding the cylinder housing (12, 142) made of ceramic.

26. oscillating piston internal combustion engine according to at least one of the preceding claims, characterized in that the piston disc (16) relative to the cylinder chamber (14) via a piston ring (20) is sealed.

27 oscillating piston internal combustion engine with linear piston movement (300, 334, 336) having at least one cylinder space (304) in two combustion chambers (306, 308) dividing piston (302) from which a piston rod (310, 348, 350) emanating with a gear (330) meshes.

28. oscillating piston internal combustion engine according to claims 27, characterized in that the movement of the gear (330) via a connecting means such as clutch (182) or freewheel in a same direction rotary motion can be implemented.

29. oscillating piston internal combustion engine according to claim 27 and 28, characterized in that the movement of the gear (330) to a generator and / or a compressor and / or two compressors and / or two generators is transferable.

30. oscillating piston internal combustion engine according to at least one of claims 27 to 29, characterized in that the combustion chambers (306, 308) to the output of a compressor (320, 338) are connected.

31. oscillating piston internal combustion engine according to at least one of claims 27 to 30, characterized in that the gas outlet opening of the combustion chamber (306, 308) with the input of a turbine (326, 344) is connected.

32. oscillating piston internal combustion engine according to at least one of claims 27 to

31, characterized in that the compressor (320, 338) and / or the turbine (326, 344) of a shaft

(324, 340) is the shaft of a motor or generator (327).

33. oscillating piston internal combustion engine according to at least one of claims 27 to 32, characterized in that the oscillating piston internal combustion engine can be used in a hybrid drive.

34. oscillating piston internal combustion engine according to at least one of claims 27 to 33, characterized in that the oscillating piston internal combustion engine with a generator forms a hybrid drive.

35. An oscillating piston internal combustion engine according to at least one of claims 27 to 34, characterized in that the oscillating piston engine operates valveless.

36. oscillating piston internal combustion engine according to at least one of claims 27 to 35, characterized in that the oscillating piston internal combustion engine is in operative connection with a converter or continuously variable transmission.