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A family of sliding vane rotary power devices provides two and four-phase internal combustion engines, as well as serving as pumps and compressors. All of these devices have an improved donut shaped rotor assembly having an integrated axial pump portion, an end shaft, a plurality of radial-directed

A family of sliding vane rotary power devices provides two and four-phase internal combustion engines, as well as serving as pumps and compressors. All of these devices have an improved donut shaped rotor assembly having an integrated axial pump portion, an end shaft, a plurality of radial-directed passages and an equal plurality of sliding vanes in respective slots that are medially guided by cam followers moving in a pair of cam grooves The devices include an axial pump portion that acts as a supercharger for the four-phase internal combustion engine, a scavenger for the two-phase internal combustion engine, and as an axial pressure inducer when operating as a pump or compressor.

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1. A supercharged radial vane rotary power device comprising:an end shaft extending along a rotation axis;a rotor assembly rotatable about the rotation axis; anda stator comprising:a front stator portion having the end shaft journaled therewithin, the front stator portion joined to a back stator por

1. A supercharged radial vane rotary power device comprising:an end shaft extending along a rotation axis;a rotor assembly rotatable about the rotation axis; anda stator comprising:a front stator portion having the end shaft journaled therewithin, the front stator portion joined to a back stator portion along respective mating surfaces to form an internal volume containing the rotor assembly;the back stator portion comprising a central inwardly projecting cylindrical portion comprising at least one channel comprising an intake channel communicating with at least one radial intake port formed in a peripheral wall of the central inwardly projecting portion;and wherein the rotor assembly comprises:a rotor block having the end shaft extending therefrom, the end shaft coupled to the rotor block by an axial fan portion comprising a plurality of fan blades extending radially across an intake opening communicating with a central bore for receiving, with rotational clearance, the central inwardly projecting cylindrical portion of the back stator portion; the rotor block rotatably carried by the stator;radial compartments equidistantly spaced apart about the rotation axis, each of the radial compartments open to an outer peripheral surface of the rotor block, each of the radial compartments having a respective inner opening intermittently communicating with the at least one radial port in the peripheral wall of the central cylindrical inwardly projecting portion of the stator during the course of each rotation of the rotor assembly; andradially extending vane assemblies slidably disposed in respective slots within the rotor block in alternating relation with the radial compartments, each of the vane assemblies comprising a respective cam follower engaging a cam track define by grooves formed in mating surfaces of the front and back stator portions. 2. The supercharged radial vane rotary power device of claim 1 wherein spaces between the fan blades provide fluid communication between the intake opening and the intake channel. 3. The supercharged radial vane rotary power device of claim 1 wherein each of the cam followers comprises a respective freely sliding element capture within a medial ring portion adjacent an outer tip of a respective vane assembly. 4. The supercharged radial vane rotary power device of claim 3 wherein each freely sliding element comprises a respective ball. 5. The supercharged radial vane rotary power device of claim 1 wherein the at least one radial intake port communicates with each of the radial compartments in the course of each rotation of the rotor block;and the stator portion further comprises:at least one exhaust channel comprising at least one radial exhaust port formed in a peripheral wall of the central inwardly projecting cylindrical stator portion and communicating with each of the radial compartments in the course of each rotation of the rotor block; andat least one ignition port communicating with each of the radial compartments during each rotation of the rotor block;whereby the radial vane rotary power device is adapted to function as a four-phase internal combustion engine. 6. The supercharged radial vane rotary power device of claim 1 wherein the at least one radial intake port communicates with each of the radial compartments in the course of each rotation of the rotor block; andthe stator portion further comprises:at least one exhaust channel comprising an exhaust port communicating with each of the radial compartments in the course of each rotation of the rotor block; andat least one ignition port communicating with each of the radial compartments during the course of each rotation of the rotor block;whereby the radial vane rotary power device is adapted to function as a four-phase internal combustion engine. 7. The supercharged radial vane rotary power device of claim 1, whereinthe central inwardly projecting cylindrical stator portion comprises at least two channels comprising the one intak e channel connected to a pair of diagonally disposed intake ports, each of the intake ports communicating with each of the radial compartments in the course of each rotation of the rotor block; andone exhaust channel connected to a pair of diagonally disposed exhaust ports, each exhaust port communicating with each of the radial compartments in the course of each rotation of the rotor block;whereby the radial vane rotary power device is adapted to function as one of a pump, a compressor, a fluid-driven motor and an expander device. 8. The supercharged radial vane rotary power device of claim 1, whereinthe intake channel is connected to a pair of diagonally disposed intake ports, each intake port communicating with each of the radial compartments in the course of each rotation of the rotor block; andan outer portion of the comprises at least a diagonally disposed pair of exhausts channels connected to at least one exhaust port, each exhaust channel communicating with each of the radial compartments in the course of each rotation of the rotor block;whereby the radial vane rotary power device is adapted to function as one of a pump, a compressor, a fluid-driven motor and an expander device. 9. The supercharged radial vane rotary power device of claim 1 whereinthe central inwardly projecting cylindrical portion comprises at least two channels comprising:the intake channel, which is connected to a pair of diagonally disposed intake ports, each intake port communicating with each of the radial compartments in the course of each rotation of the rotor block; andan exhaust channel, which is connected to a pair of diagonally disposed exhaust ports, each exhaust port communicating with each of the radial compartments in the course or each rotation of the rotor block; andwherein an outer portion of the back stator portion comprises at least a pair of diagonally disposed ignition ports for receiving respective igniters, each of the ignition ports communicating with each of the radial compartments during each rotation of the rotor block;whereby the radial vane rotary power device is adapted to function as two-phase internal combustion engine. 10. The supercharged radial vane rotary power device of claim 1 whereinthe intake channel is connected to a pair of diagonally disposed intake ports, each intake port communicating with each of the radial compartments in the course of each rotation of the rotor block;an outer portion of the back stator portion comprises a pair of diagonally disposed exhaust channels connected to at least one exhaust port, each exhaust channel communicating with each of the radial compartments in the course of each rotation of the block; andthe outer portion of the back stator portion comprises at least a pair of diagonally disposed ignition ports, each ignition port communicating with each of the radial compartments during each rotation of the rotor block;whereby the radial vane rotary power device is adapted to function as two-phase internal combustion engine. 11. The supercharged radial vane rotary power device of claim 1 wherein the central inwardly projecting cylindrical stator portion comprises a transverse wall separating a frontal intake channel from a back exhaust channel. 12. A supercharged four-phase rotary internal combustion engine comprising:a stator defining an internal volume having an oval cross-section transverse to an axis of rotation and comprising front and back stator portions having mating surfaces for mating along a medial plane transverse to the axis of rotation:the front and back stator portions comprising cam grooves in the mating surfaces to define a cam track encircling the internal volume and to communicate with the internal volume through an encircling slot formed from recessed wall portions of the mating surfaces of the back and front stator portions;the front stator portion comprising a central throughhole for receiving an end shaft extending along the axis from a rotor block, the back s tator portion comprising a central inwardly projecting cylindrical portion projecting into the internal volume along the axis of rotation, the central inwardly projecting cylindrical portion comprising at least one intake channel for communicating with at least one peripheral intake port;a rotor assembly comprising the rotor block comprising a central cylindrical bore for receiving the central inwardly projecting cylindrical stator portion, the rotor block coupled to an end shaft by an axial fan portion for inducting a charge and for communicating the charge to the at least one intake channel of the central inwardly projecting portion of the back stator portion, the rotor block rotatable within a rotor chamber portion of the internal volume lying between the central inwardly projecting cylindrical stator portion and an inner peripheral wall of the internal volume, the rotor block comprising radial compartments equidistantly spaced apart about the rotation axis of the device, each of the radial compartments open to a peripheral surface of the block and having a respective inner opening communicating with the at least one axially aligned radial port in the central inwardly projecting cylindrical stator portion during the course of each rotation of the rotor assembly, the rotor assembly further comprising radially extending vane slots disposed within the rotor block in alternating relation with the radial compartments; andvane assemblies, each vane assembly comprising a respective inner flat portion slidably received in a respective rotor slot and a respective cam follower captured within the cam track. 13. The supercharged four-phase rotary internal combustion engine of claim 12 wherein the central inwardly projecting cylindrical stator portion further comprises an exhaust channel communicating with a peripheral exhaust port; and wherein an outer external stator portion comprises an ignition port. 14. The supercharged four-phase rotary internal combustion engine of claim 12 wherein an outer external stator portion comprises an igniter and an exhaust channel connected to an exhaust port. 15. The supercharged four-phase rotary internal combustion engine of claim 12 wherein the axial fan portion comprises a plurality of blades, each of the blades having a respective base coupled to the end shaft, each of the blades further having a respective outer tip fixed to the rotor block. 16. A rotary power device operable as one of a pump and an expander, the device comprising:a stator having an internal volume having an oval cross-section transverse to an axis of rotation and comprising front and back stator portions mating along a medial transverse plane perpendicular to the axis of rotation; the front stator portion comprising a central throughhole, the back stator portion comprising a central inwardly projecting cylindrical portion extending into the internal volume along the axis of rotation, the central inwardly projecting cylindrical portion comprising at least one intake channel communicating with at least one pair of diagonally opposed peripheral intake ports, the intake channel for receiving an intake fluid charge passing between blades of an axial fan portion of a rotor block;a rotor assembly comprising:an end shaft rotatable about the axis of rotation and extending outwardly from the throughhole in the front stator portion, the end shaft connected to the rotor block by the axial fan portion;the rotor block comprising a central cylindrical bore for receiving the central inwardly projecting cylindrical stator portion, the rotor block rotatable within a rotor chamber portion of the internal volume lying between the central inwardly projecting cylindrical stator portion and an inner peripheral wall of the internal volume;radial compartments equidistantly spaced apart about the axis of rotation, each of the radial compartments open to a peripheral surface of the block, each of the radial compartments having a respective inner opening communicating with the at least one port in the peripheral wall of the central inwardly projecting cylindrical stator portion at least once during the course of each rotation of the rotor assembly;radially extending vane slots disposed within the rotor block in an alternating relation with the radial compartments; andvane assembles, comprising respective inner flat portions slidably received in respective vane slots and respective cam followers slidably received in a cam track formed in the stator. 17. The rotary power device of claim 16 wherein the stator further comprises two diametrically opposed exhaust channels, each of the exhaust channels comprising a respective recessed wall portion in an inner wall of the stator, each of the exhaust channels connected to a respective exhaust port spaced radially outwardly from the central inwardly projecting cylindrical stator portion. 18. The rotary power device of claim 16 wherein the central inwardly projecting cylindrical stator portion comprises two diametrically opposed exhaust ports communicating with a common exhaust channel. 19. The rotary power device of claim 16 wherein each of the blades of the axial fan portion comprises a respective base coupled to the end shaft and a respective outer tip fixed to a hub portion of the rotor block. 20. A supercharged two-phase internal combustion engine comprisinga stator defining an internal volume having an oval cross-section transverse to an axis of rotation, the stator comprising respective front and back stator portions comprising respective mating surfaces for mating along a medial plane transverse to the axis of rotation, the front and back stator portions comprising respective cam grooves in mating surfaces to define a cam track encircling the internal volume and communicating with the internal volume through an encircling slot formed from recessed wall portions of the respective mating surfaces of the back and front stator portions; the front stator portion comprising a central throughhole for rotatably carrying an end shaft; the back stator portion comprising a central inwardly projecting cylindrical portion projecting into the internal volume along the axis of rotation, the central inwardly projecting cylindrical portion comprising at least one intake channel having at least one pair of diagonally disposed peripheral intake ports;a rotor assembly comprising a rotor block comprising a central cylindrical bore for receiving the central inwardly projecting cylindrical stator portion, the rotor block coupled to the end shaft by an axial fan portion for inducting a charge into the at least one intake channel in the central inwardly projecting cylindrical stator portion of the back stator portion the rotor block rotatable within a rotor chamber portion of the internal volume lying between the central inwardly projecting cylindrical stator portion and an inner peripheral wall of the internal volume, the rotor block comprising radial compartments equidistantly spaced apart about the axis of the device, each of the rotor compartments open to a peripheral surface of the block, each of the rotor compartments having a respective inner opening communicating with the at least one axially aligned radial port in the central inwardly projecting cylindrical stator portion during the course of each rotation of the rotor assembly, the rotor assembly further comprising radially extending vane slots disposed within the rotor block in alternating relation with the radial compartments; andvane assembles comprising respective inner flat portions slidably received in respective rotor slots and respective cam followers adjacent respective outer tips of associated inner flat portions, the cam followers captured within the cam track. 21. The supercharged two-phase rotary internal combustion engine of claim 20 wherein the central inwardly projecting cylindrical stator portion further comprises an exhaust channel communicating with a pair of diagonally dispo sed peripheral exhaust ports. 22. The supercharged two-phase rotary internal combustion engine of claim 20 wherein the central inwardly projecting cylindrical stator portion comprises an intake channel communicating with a pair of diagonally disposed peripheral intake port and the outer stator portion comprises both a pair of exhaust channels connected to respective exhaust ports and a pair of diagonally disposed ignition ports. 23. The supercharged two-phase rotary internal combustion engine of claim 20 wherein the axial fan portion comprises a plurality of blades, each blade having a respective base fixed to the end shaft and a respective outer tip fixed to the rotor block.