Abstract: A rotary motor (10;1 10) is described, comprising a stationary cylinder housing (12;1 12) having an internal mainly circular rotor (20;120) mounted on a drive shaft (14;1 14) and where the rotor (20;120) is equipped with a piston (16;1 16) and that provided about the rotor (20;120) is a circular working chamber (18;1 18) with an inlet (42;142) and an outlet (32;132) for supply and removal, respectively, of the relevant drive medium, where provided in front of the inlet (42; 142) of the working chamber (18;1 18) there is a passage valve (30; 130) arranged to allow passage of the piston (16;1 16) and to close the working chamber (18;1 18) after the piston (16;1 16) has passed.

Abstract: An engine assembly including an internal combustion engine, an impulse turbine, and an exhaust pipe providing fluid communication between the exhaust port of the internal combustion engine and the flow path of the turbine. The exhaust pipe terminates in a nozzle. A ratio Vp/Vd between the pipe volume Vp and the displacement volume Vd of the internal combustion engine is at most 1.5. A minimum value of a cross-sectional area of the exhaust pipe is defined at the nozzle. In one embodiment, a ratio An/Ae between the minimum cross-sectional area An and the cross-sectional area Ae of the exhaust port of the internal combustion engine is at least 0.2. A method of compounding at least one internal combustion engine is also discussed.

Abstract: A distributor apparatus 10 for distributing a plurality of portions or streams of a flowable material. The apparatus 10 comprises an enclosure 16 which locates rotors 48, 50. An inlet port 66 is provided in an upper part of the enclosure, which connects to a manifold 34 with five spaced inlets 36 through which material can pass to drive the rotors 48, 50. Material can pass round the rotors 48, 50 to a plurality of spaced outlets 38 for discharging to and from the apparatus 10.

Abstract: A compound engine assembly with at least one rotary internal combustion engine, an impulse turbine, and an exhaust pipe for each internal combustion engine providing fluid communication between the exhaust port of the respective internal combustion engine and the flow path of the turbine. Each exhaust pipe terminates in a nozzle. For each exhaust pipe, a ratio Vp/Vd between the pipe volume Vp and the displacement volume Vd of the respective internal combustion engine is at most 1.5. A minimum value of a cross-sectional area of each exhaust pipe is defined at the nozzle. In one embodiment, a ratio An/Ae between the minimum cross-sectional area An and the cross-sectional area Ae of the exhaust port of the respective internal combustion engine is at least 0.2. A method of compounding at least one rotary engine is also discussed.

Abstract: A compound cycle engine having an output shaft; at least two rotary units each defining an internal combustion engine, a velocity turbine, and a turbocharger is discussed. The velocity turbine includes a rotor in driving engagement with the output shaft between two of the rotary units. The exhaust port of each rotary unit is in fluid communication with the flowpath of the velocity turbine upstream of its rotor. The outlet of the compressor of the turbocharger is in fluid communication with the inlet port of each rotary unit. The inlet of the pressure turbine of the turbocharger is in fluid communication with the flowpath of the velocity turbine downstream of its rotor. A method of compounding at least two rotary engines is also discussed.

Abstract: In one aspect, described is a rotary engine having a purge port located rearwardly of the inlet port and forwardly of the exhaust port along a direction of the revolutions of the rotor, the purge port being in communication with the exhaust port through each of the chambers along a respective portion of each revolution, and the inlet and outlet ports being relatively located such that a volumetric compression ratio of the engine is lower than a volumetric expansion ratio of the engine.

Abstract: An engine comprises a rotor disposed within a housing having a side wall, a top portion, and a bottom portion. The housing includes at least one energy burst ignition chamber and electrical device that introduces an electric charge into at least one energy burst ignition chamber. The rotor is constructed and arranged to spin within the housing by action of a force. At least one energy burst ignition chamber is constructed and arranged to electrically react with the gas disposed in at least one chamber such that the gas expands and drives the rotor. A control system is used for introducing electric charges into at least one energy burst ignition chamber at a controlled time interval.

Abstract: In one aspect, described is a rotary engine having a purge port located rearwardly of the inlet port and forwardly of the exhaust port along a direction of the revolutions of the rotor, the purge port being in communication with the exhaust port through each of the chambers along a respective portion of each revolution, and the inlet and outlet ports being relatively located such that a volumetric compression ratio of the engine is lower than a volumetric expansion ratio of the engine.

Abstract: The problems of prior compressor structures relying upon conventional check valves are obviated by using, instead, flow control passages which operate to control flow while avoiding mechanical moving elements which may become problematical.

Abstract: A rotary piston and cylinder assembly having two rotary piston and cylinder devices, each device including a rotor and a stator, the stator at least partially defining an annular cylinder space, the rotor being in the form of a ring, and the rotor having at least one piston which extends from the rotor ring into the annular cylinder space. In use the at least one piston is moved circumferentially through the annular cylinder space on rotation of the rotor relative to the stator, the rotor body being sealed relative to the stator, and the device further having cylinder space shutter means which is capable of being moved relative to the stator to a closed position in which the shutter means partitions the annular cylinder space, and to an open position in which the shutter means permits passage of the at least one piston, the cylinder space shutter means including a shutter disc, wherein the devices are connected by a transfer passage.

Abstract: This invention presents a compact, light, efficient and high power output rotary internal combustion engine utilizing the waste heat. The engine has a rotor rotatable within a housing, but has no piston. The rotor has a plurality of combustion chambers, with inlets for introduction of fuel and outlets for exhaust of combustion products. The exhaust imparts rotation to the rotor within the housing. Fixed end caps are provided at each end of the housing. The engine is cooled with steam, air and water. The engine is suitable for applications that require efficient, high power to weight ratio, such as aircrafts, ships, and heavy duty transportation. The engine may use low grade fuel with a low cetane number, by using specially treated pulverized coal.

Abstract: An internal combustion engine features a stator containing a rotor mounted on a driveshaft, the rotor and a hollow interior of the stator each being cylindrical in shape and circular in cross section. An air and fuel intake communicates with the stator interior and a spark plug provide sparks within combustion chambers, each formed by a cavity in the rotor and a respective seal disposed thereabout to seal with the stator. An exhaust outtake is spaced about the driveshaft from the air and fuel intake and the spark plug. Combustion of the fuel introduced to the cavities by the air and fuel intake after ignition by the spark plug drives rotation of the rotor and drive shaft in a predetermined direction to pass the cavity through fluid communication with the exhaust outtake and once again reach the air and fuel intake to repeat the rotation.

Abstract: Air conducting connector with simplified wiring layout and water-proofing. Connector 2 has air conduction path 3, having a first opening 3a and a second opening 3b. A heater wire 5, air conducting wire and terminal 6 of ECU side are inserted into the first opening 3a, while an air-conducting heater wire 7 and terminal 8 of sensor side are inserted into second opening 3b. Within the air conduction path 3, the ECU side terminal 6 and the sensor side terminal 8 are electrically interconnected. First opening 3a is sealed with resin. The rear part of the air conduction path 3 is sealed with a sealing material 8b. The sensor side terminal 8 and the ECU side terminal 6 are electrically interconnected on insertion to communicate an air conducting part of the sensor side heater wire 7 with an air conducting part of the ECU side heater wire 5 through air conduction path 3.

Abstract: A rotary gear engine includes a gear pump or a Root's blower which can operate at expansion and contraction conditions and is generally comprised of a pair of gears with identical pitch or rotors meshed with each other and mounted on a pair of parallel axles, a vacuum hood and an exhaust hood mounted opposite to the connection between the two gears and closely fitted together with the gears in a cylinder, whereby when in operation, the engine sucks in air at one end and exhaust waste gas at the other to perform intake and exhaust strokes.

Abstract: The present invention is an improved method for producing synthesis gas from gaseous raw hydrocarbons. The method includes combustion of a mixture of raw hydrocarbons and air at ∝=0.5-0.8. The hydrocarbons are oxidized during the compression stroke of a piston in the cylinder of a modified internal combustion engine. The resulting products are expanded and cooled during the movement of the piston toward the bottom dead center. The products containing the synthesis gas are then expelled from the reaction volume when the piston moves toward the top dead center. A new portion of the working mixture is supplied when the piston moves back to the bottom dead center. The mixture of raw hydrocarbons with air is preheated to 200-450° C. before being fed into the cylinders of the modified internal combustion engine. The mixture is compressed until self-ignition takes place. A temperature of 1300-2300° C. is maintained over a time period of 10−2-10−3 s.

Abstract: A rotary internal combustion engine has a double pivot center and allows for efficient communication between a central cylindrical intake/compression chamber and a crescent-shaped expansion chamber. Power packs rotating about the upper pivot location receive compressed gases from the compression chamber located within a flywheel which is positioned to rotate about the lower pivot location. Intake gases are ultimately compressed within the power packs before being ignited and causing a delayed powering of the power packs through the expansion chamber. Intermeshing of the power packs with the flywheel allows for the conversion of the power of the expanding gases acting on the power pack into rotation of the flywheel to power a drive shaft intimately mounted to the flywheel.

Abstract: A rotary internal combustion engine composed of three identical rotors and a main shaft going through the centers of the three rotors. The first rotor is used for compressing a fuel/air mixture, the second rotor is used for creating power and the third rotor is used to compress fresh air. The rotating sequence of the three rotors is as follows: the first rotor compresses the fuel/air mixture into the second rotor, which then ignites the fuel/air mixture to create power. The third rotor compresses fresh air and supplies same to the second rotor to assist in the burning of the fuel/air mixture. Therefore, a second burning device is provided to more thoroughly burn the gas and exhaust relatively clean waste gas.

Abstract: A rotary engine that comprises a rotor having two side faces, a side housing disposed facing to one of the two side faces of the rotor and a center housing disposed facing to the other of the two side faces of the rotor. The side housing has an intake port formed therein. Also, the center housing has an intake port formed therein. The intake port of the center housing has an opening end which is dislocated from an opening end of the intake port formed in the side housing facing thereto to a retard side. A space is formed between the side face of the rotor and the center housing. And a relief hole is provided in the center housing in a dislocated portion of the opening end of the intake port of the center housing so as to escape a blow-bye gas pressure from the space.

Abstract: A rotary piston engine having a casing and a substantially triangular rotor disposed in the trochoidal cavity of the casing. The casing is provided with an intake port located to communicate with the intake working chamber and an exhaust port located to communicate with the exhaust working chamber. The exhaust port has an air nozzle discharging air or air-fuel mixture into the leading part of the exhaust working chamber at the leading end of the exhaust port.

Abstract: A rotary piston machine consisting of several circular, axially in series, on a shaft mounted, piston rotors, each piston rotor having a piston running along an associated, stationary working chamber wall of a circular cylindrical working chamber and being in mating engagement wich a recess in at least one shut-off rotor in rolling contact with the piston rotor, and, wherein the shafts of the piston rotor and the shut-off rotor are coupled to each other by means of coupling gears, and in which the gaseous high-expanded and combustible medium is admitted to and discharged from the respective working chamber by one or more rotary valve rotating with said shaft. The rotary piston machine as a combustion steam motor operates such that, after ignition of the combustible operating medium, water is injected into the working chamber by means of one or more injection nozzles distributed around the inner circumference of said working chamber wall.

Abstract: An improved "Wankel-type" rotary engine wherein the same trochoidal cavity employed for effecting a four-phase internal combustion engine operation is also employed to perform a supercharging function in that air is compressed in one chamber (chambers being defined between seals of the rotor with the wall bounding the trochoidal cavity) and transferred to another chamber in synchronization with the latter making its transition from its intake to its compression phase, with such transference being carried out in a manner causing substantial turbulence. The engine can optionally be operated in a diesel mode with diesel fuel injection being made at the conventional phase condition, or as a spark ignition engine with gasoline carburetion of air fed to the supercharging compression chamber being effected. Engine exhaust heat is optionally applied to compressed air or air-fuel mixture as the latter is being transferred respectively in the diesel or spark mode of engine operation.

Abstract: A rotary internal combustion engine consisting of a generally cylindrical housing assembly having three different sections, with a common power shaft eccentrically journalled in the assembly. Each section has a rotor mounted on the power shaft, with six evenly spaced radial vanes slidably carried thereby and being slidably and sealingly engageable with the inside surfaces of the associated section. A fuel intake duct is connected to the first section, which accomplishes fuel admission and compression strokes. A port in a partition wall admits compressed fuel into the second section, which has spark plugs for igniting the compressed fuel. The second section provides expansion and exhaust strokes. The gaseous products of combustion leave through an exhaust duct connected to the second section.

Abstract: This invention relates to a simplified design for a rotary internal combustion engine. The engine consists of rollers, acting as pistons and cranks, and specially designed vanes or seals which divide each roller housing into two working chambers. The vane is shaped in such a way that it is held down against the roller by the pressure of the gases which it is restraining. The vane on the expansion chamber also serves as the sealing valve on the outlet end of the fire tube. The engine cooling system is unique in the fact that the compressor is not cooled. The fire tube or combustion chamber is a titanium or high temperature material that is insulated from the rest of the engine. This tube is designed to stand the maximum temperatures and maximum pressures of combustion. The expander is cooled by a water injection spray which is introduced directly into the expansion chamber. Through cooling, the injected water removes energy from the gases and uses that energy to create steam for greater power.

Abstract: A dual rotor type rotary engine with primary and secondary rotor compartments around each rotor is described. The engine operates by activating in sequence an ignition means in the presence of a fuel and air mixture in primary and secondary compartments around one rotor and in primary and secondary rotor compartments around the other rotor. The engine is provided with a central housing between the rotors having a confined space for receiving hot exhaust gases from primary rotor compartments, for mixing with air introduced into the confined space and for conveying the mixture to secondary rotor compartments. The fuel, air and hot exhaust gas mixture in the secondary rotor compartments operates on a reduced amount of fuel by comparison to the fuel and air mixture in the primary compartments. The central housing preferably has air inlets on either side of the confined space to heat inlet air supplied to the primary rotor compartments by heat transfer from the hot surfaces and exhaust gases.

Abstract: A rotary internal combustion engine with four vanes carried by a rotor engaging an internal oval housing surface to define four chambers that orbit the rotor axis. Two of the chambers, diametrically opposed, are operated as working chambers on a four-phase internal combustion engine basis in phase with each other. Supercharging is continued through an early part of the volume expansion and firing phase, whereby the rate of expansion per degree of rotation is substantial at the time firing is initiated. The other two chambers are operated as air pumping chambers to supercharge the working chambers via an air pressure accumulator. A lubricating liquid within the chamber is introduced into the pumping chambers for engine lubrication with excess being returned to the accumulator. The pressure of the liquid is applied hydraulically against the vanes to urge each radially outward with equal force.

Abstract: An apparatus and method for improving the combustion process of an internal combustion engine is disclosed. A prechamber containing a combustible mixture is designed to generate a torch eminating therefrom upon ignition; the torch is controlled to extend and penetrate deeply into the main combustion at a predetermined orientation without contact with the chamber walls. The swirling flame front of the sustained torch produces superior mixing with the unburned combustible mixture in the main combustion, particularly of a rotary engine. The prechamber is located outside the epitrochoid chamber of the rotary engine; in a nonstratified charge mode of this invention, the prechamber serves to receive a portion of the main chamber inducted charge during the compression cycle, which may lean and difficult to ignite in the main chamber. In the prechamber, concentrated hot walls and a localized spark facilitate ready ignition, which in turn permits generation of a torch therefrom.