Abstract: The invention concerns a radial-piston engine of rotary type of the kind having a valve system comprising apertured disc rings arranged in intersliding relationship, one of said rings being stationary while the other one is arranged to take part in the rotary motion of the rotor. The valve opening relationship is determined by the manual angular positions of the discs. In accordance with the invention, filed injection takes place via an injection nozzle positioned in the stationary disc. The valve ring is formed with a through opening which in response to the position assumed my the rotor at the moment of fuel ignition forms an open communication means between the injection nozzle and the combustion chamber.

Abstract: The present invention is for cooling combustion engines of the kind in which two pistons are working against each other in a common cylinder bore and having a common combustion space. The invention is for a liquid cooling of such a power machine, preferably a combustion engine. Cooling channels are arranged in the housing (4). The pumpwheel (11) is mounted directly onto the outgoing shaft (9) and can be an integrated part thereof. The pump housing is integrated into the lower part of the cylinder housing (4).

Abstract: The present invention is for a means for transmission of force whereby linear movement is transferred into rotating movement or reverse. The invention is primarily intended to be used by combustion engines. The invention is for a means to transmit force between a forward and backward movement and a rotating movement by means of a ballbearing which runs in several tracks comprising a ball which is surrounded by ballholder which is fixed onto a piston rod for each respective ball or corresponding device for transmission of the linear movement. Fixed connected to each piston (4,5) is a piston rod (6,7) which in its opposite end has a holding device (17,18) for the ball (15,16) through which the force from the forward and backward movement is transmitted to the rotating disc (13). The balls (15,16) also serve as bearing between the stationary disc (8) and the rotating disc (13).

Abstract: A unitary cylinder useful in internal combustion engines having external threads at one end for a connection with the engine; the cylinder providing internal bearing support to an associated piston mounted internally thereof and external bearing support to a cam actuated saddle embracing the cylinder's exterior. Elongated openings in opposing walls of the cylinder accommodate passage of a transverse wrist pin connection between the internal piston and external saddle.

Abstract: A rotary internal combustion engine comprising a housing containing a rotatable cylinder having a circular wall containing at least two rows of radially extending circular passageways forming compression and power engine cylinders, respectively, displaced from each other along the axis of rotation. Each of the engine cylinders contains a freely reciprocal and rotatable spherical piston. A stationary cam is mounted within the housing surrounding each of the rows of engine cylinders, each cam consisting of a pair of edges circular in diameter whose axis coincides with the axis of rotation of the rotatable cylinder. Each pair of edges is in contact with all of the spherical pistons within its respective row, the spacing of the edges varying over 360 degrees of rotation so that the spherical pistons move at a uniform velocity within each cylinder.

Abstract: An rotary internal combustion engine consisting of a rotatable cylinder made up of fuel charge and multiple working segments rotating in unison. The fuel charge and working segments each contain a plurality of radially arranged cylinders open at both ends and a spherical piston in and freely movable within each of the cylinders. A stationary cam surrounds the cylinder having cam surfaces to contact the spherical pistons within each of the cylinders causing each piston in its respective cylinder to reciprocate as the cylinder rotates. A stationary core is located within and enclosed by the rotatable cylinder for supplying and carrying away working fluid into and from the cylinders as well as igniting and delivering fuel charge to the working segments. An alternative embodiment consists of a sealing arrangement between the pistons and cylinders utilizing rings with pressure balancing to reduce friction.

Abstract: On the rotary drive shaft of a four stroke engine is non-rotationally mounted a hub supporting four cylinders wherein pistons are arranged for reciprocal movement radially towards the hub. The hub is providing with a combustion chamber having common inlets and outlets formed in a valve ring rotating together with the hub and sealingly abutting against a stationary port ring having intake and exhaust ports communicating with inlet and outlet channels arranged alternatingly to assume a position in registry with the inlets and outlets associated with the respective combustion chamber. One spark plug for each combustion chamber is arranged to rotate with the hub, with the spark plug electrode end projecting into the associated combustion chamber opposite the common valve ring inlets and outlets.

Abstract: A rotary internal combustion engine wherein the cylinders making up the engine block are radially disposed in a common plane and rotate with the output shaft. The engine block rotates within a surrounding cam surface and the pistons in each cylinder move radially in and out in a motion geometrically defined by connecting rods, a rocker arm pivoted at a point fixed with respect to the rotating engine block and a cam follower which rides on the cam surface. The rocker arm preferably is counterbalanced to reduce centrifugal forces on the cam surface. The cam surface is contoured to produce the motion to the pistons by means of the linkage as the engine block rotates. The engine block includes a rotary valve port associated with each cylinder. The engine block rotates into cooperating relationship with stationary inlet and exhaust ports in the engine housing to provide intake and exhaust cycles.

Abstract: An internal combustion engine in which various engine functions are carried out simultaneously rather than sequentially with the result that engine operation is smoother, less subject to vibrational forces, and has greater efficiency due to the elimination of the need to overlap functions. The engine comprises a rotatable cylinder made up of fuel charge, combustion, and working segments rotating in unison. The fuel charge and working segments each contain a plurality of radially arranged cylinders open at both ends and a spherical piston in and freely movable within each of the cylinders. A stationary cam surrounds the cylinder having cam surfaces to contact the spherical pistons within each of the cylinders causing each piston in its respective cylinder to reciprocate as the cylinder rotates. A stationary core is located within and enclosed by the rotatable cylinder for supplying and carrying away working fluid into and from the cylinders.

Abstract: A rotary internal combustion engine wherein the cylinders making up the engine block are radially disposed in a common plane and rotate with the output shaft. The engine block rotates within a surrounding cam surface and the pistons in each cylinder move radially in and out in a motion geometrically defined by connecting rods, a rocker arm pivoted at a point fixed with respect to the rotating engine block and a cam follower which rides on the cam surface. The rocker arm preferably is counterbalanced to reduce centrifugal forces on the cam surface. The cam surface is contoured to produce the motion to the pistons by means of the linkage as the engine block rotates. The engine block includes a rotary valve port associated with each cylinder. The engine block rotates into cooperating relationship with stationary inlet and exhaust ports in the engine housing to provide intake and exhaust cycles.

Abstract: A rotary internal combustion engine wherein the cylinders making up the engine block are radially disposed in a common plane and rotate with the output shaft. The engine block rotates within a surrounding cam surface and the pistons in each cylinder move radially in and out in a motion geometrically defined by connecting rods, a rocker arm pivoted at a point fixed with respect to the rotating engine block and a cam follower which rides on the cam surface. The rocker arm preferably is counterbalanced to reduce centrifugal forces on the cam surface. The cam surface is contoured to produce the motion to the pistons by means of the linkage as the engine block rotates. The engine block includes a rotary valve port associated with each cylinder. The engine block rotates into cooperating relationship with stationary inlet and exhaust ports in the engine housing to provide intake and exhaust cycles.

Abstract: A rotary internal combustion engine wherein the cylinders making up the engine block are radially disposed in a common plane and rotate with the output shaft. The engine block rotates within a surrounding cam surface and the pistons in each cylinder move radially in and out in a motion geometrically defined by connecting rods, a rocker arm pivoted at a point fixed with respect to the rotating engine block and a cam follower which rides on the cam surface. The rocker arm preferably is counterbalanced to reduce centrifugal forces on the cam surface. The cam surface is contoured to produce the motion to the pistons by means of the linkage as the engine block rotates. The engine block includes a rotary valve port associated with each cylinder. The engine block rotates into cooperating relationship with stationary inlet and exhaust ports in the engine housing to provide intake and exhaust cycles.

Abstract: A rotary internal combustion engine having spherical pistons mounted in radially arranged cylinders formed in a stacked series of rotatable cylindrical members. A stationary cam surface is located around the rotatable member to maintain contact with the pistons. A stationary member located with the rotatable cylindrical member provides fresh fuel mixture, withdraws exhaust products, and provides ignition as required. Power is taken from the rotating cylindrical members at the end of the engine through a planetary gear train.

Abstract: A rotary internal combustion engine wherein the cylinders making up the engine block are radially disposed in a common plane and rotate with the output shaft. The engine block rotates within a surrounding cam surface and the pistons in each cylinder move radially in and out in a motion geometrically defined by connecting rods, a rocker arm pivoted at a point fixed with respect to the rotating engine block and a cam follower which rides on the cam surface. The rocker arm preferably is counterbalanced to reduce centrifugal forces on the cam surface. The cam surface is contoured to produce the motion to the pistons by means of the linkage as the engine block rotates. The engine block includes a rotary valve port associated with each cylinder. The engine block rotates into cooperating relationship with stationary inlet and exhaust ports in the engine housing to provide intake and exhaust cycles.

Abstract: A four cycle internal combustion, rotary engine is disclosed in which a cylindrical rotor having plural arcuately spaced, radially extending, piston carrying cylinders is mounted about a coaxially aligned central combustion chamber and main bearing for rotation therewith about a stationary main bearing support shaft which incorporates a fuel intake and exhaust manifold communicating with the combustion chamber and individual cylinders. A pair of stationary cam plates having registeringly aligned asymmetrical cam tracks are mounted in parallel spaced relation adjacent opposite axial ends of the rotor; the tracks thereof being simultaneously engaged by cooperating pairs of follower rollers slidably coupled to pistons in each of the cylinders in a manner requiring movement of the pistons radially of the rotor in response to rotational movement of the latter about the main bearing shaft.

Abstract: A self-propelled vehicle includes a body and a set of four internal-force generating devices, in the form of radial piston engines. Each device has a central axis about which some internal portions rotate. The four devices are configured in two opposed pairs, the two devices of one pair having parallel axes but turning in opposite directions, the two devices of the other pair also having parallel axes but turning in opposite directions. The axes of one pair are at right angles to the axes of the other pair. Each device provides an eccentric orbit for each of three pistons about a central axis the piston cylinders being defined by a rotor which rotates uniformly about that axis. As a result, the angular momentum and resulting centrifugal effect generated within each cylinder at its furthest displacement from the axis is significantly greater than the angular momentum and centrifugal effect when it is at its closest approach. The difference in these two effects is utilized to generate lift.

Abstract: An internal combustion engine combines the efficiency of a radial engine with the practicality of a piston and crankshaft arrangement. A stationary frame supports a stationary sun gear, and a rotor is pivoted about the axis of the sun gear. The rotor carries three crankshafts at 120.degree. intervals, each having an eccentric portion. Each crankshaft is fixed to rotate with a respective planetary gear, and all the planetary gears mesh with the sun gear and have the same pitch diameter as the sun gear. The crankshaft eccentricity is substantially 1/3 times the pitch radius of a planetary gear. The eccentric portion of each crankshaft has roller means rotatable about the same axis as the connection between the connecting rod and the eccentric portion, and a ring member with an internal surface surrounds and contacts all of the roller means simultaneously, the ring member being free to rotate about its own axis. Three valves admit the combustible mixture to each cylinder.

Abstract: Constant volume, continuous external combustion rotary engine which incorporates at least one radial piston compressor, at least one continuous-combustion chamber, at least one radial piston expander together with a means to supply fuel to the combustion chamber. A novel arrangement of compressor and expander manifolding controls admission and discharge to and from the compressor and expander sections. Power output is realized when opposed expander pistons equipped with roller bearings react directly on the internal cam lobe surfaces of a stationary housing causing the cylinder block to rotate and drive the compressor piston inwardly or outwardly as their roller followers engage their cam tracks. As a fresh charge of compressed air is delivered to the hydrocarbon fueled combustion chamber, an equal amount of combustion product under almost equal pressure is withdrawn by the expander. When combustion charging is completed, both compressor and expander are momentarily disconnected from the combustion chamber.

Abstract: Rotary power engines driven by explosive or expansive media have pistons which reciprocate in cylinder cavities of a rotor at opposite sides of the rotor axis and which contact the walls of a stator by means of rollers. The rotor is turned by the reactive force of the pistons on the stator and by the reactive force of the working medium which exhausts from the cylinders as jets. In an internal combustion embodiment, one set of cylinders is used for compression of the working medium, and the compressed medium is transferred cyclically to adjoining cylinders for driving the rotor.

Abstract: A rotary-block engine is provided with an eccentrically mounted cylinder block about the main drive shaft. The radial cylinders of the cylinder block each contain a reciprocating piston which is also eccentrically mounted about a secondary shaft, so that a point on the piston traces a path in the form of a hypotrochoid while a point on the cylinder block traces a path in the form of an epitrochoid. The secondary shafts are held in place relative to the main shaft by projections engaging in grooves of the side walls of the stationary housing, or alternatively by holders rotatably mounted about the main shaft.