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| Number | Title | Issue Date |
| 4519206 | Multi-fuel rotary power plants using gas pistons, elliptic compressors, internally cooled thermodynamic cycles and slurry type colloidal fuel from coal and charcoal A multi-fuel rotary power plant using novel internal cooling and energy saving thermodynamic cycles, gas pistons, the unique rotary centers of the ellipse in a novel compressor and a slurry type fuel made out of colloidal carbon, hydrocarbon and other sol... | 05/28/1985 |
| 4513707 | Multiple port intake means for rotary piston engines A rotary piston engine including a casing comprised of a rotor housing and a pair of side housings attached to the opposite sides of the rotor housing to define a rotor cavity. A substantially triangular rotor is disposed in the rotor cavity. The intake s... | 04/30/1985 |
| 4463718 | Lubricant metering system for rotary internal combustion engine The lubricant metering system for a rotary internal combustion engine has a lubricant metering device connected to the engine to communicate with the working chambers of the engine during the compression phase of operation thereof and is in communication ... | 08/07/1984 |
| 4425883 | Intake means for two-rotor type rotary piston engines A two rotor type rotary piston engine including a casing comprised of a pair of rotor housings connected together with an intermediate housing interposed therebetween and side housings attached to the outer sides of the rotor housings to define rotor cavi... | 01/17/1984 |
| 4423711 | Multiple port intake means for rotary piston engines A rotary piston engine including a casing comprised of a rotor housing and a pair of side housings attached to the opposite sides of the rotor housing to define a rotor cavity. A substantially triangular rotor is disposed in the rotor cavity. The intake s... | 01/03/1984 |
| 4424013 | Energized-fluid machine According to the exemplary embodiment shown, the machine comprises a housing having a chamber formed therewithin which is circumscribed by a plurality of spiralled, parallel and arcuate lands with intervening, narrow grooves, and a rotor journalled therew... | 01/03/1984 |
| 4314533 | Rotary engine employing double eccentric A rotary engine wherein a piston is moving within the inside of a cylindrical housing describing its geometrical center or shaft a hypocycloid while the remaining points are generated by a circumference gyrating in the inside of a hypocycloid. The piston ... | 02/09/1982 |
| 4237848 | Rotary-piston internal combustion engine The rotary-piston internal combustion engine comprises a trochoidal working chamber with a vertical major axis, a rotor shaft mechanically coupled to a generator and a water pump mounted on the engine housing, an auxiliary drive shaft used for driving an ... | 12/09/1980 |
| 4209001 | Orbital internal combustion engine An orbital internal combustion engine comprises an engine housing having first and second end walls and intermediate, axially spaced first and second annular, inwardly projecting wall members. First and second axial drive shaft portions are installed thro... | 06/24/1980 |
| 4169451 | Rotary piston internal combustion engine and method for influencing its operation A rotary piston internal combustion engine includes a two-curve housing, a triangular piston rotor in the housing and a pressure reservoir connected through a channel to the compression chamber, or volume, formed between the housing and rotary piston. Rot... | 10/02/1979 |
| 4135485 | Split-multi-unit rotary combustion engine A multi-unit rotary combustion engine in which at light loads the engine can be operated on only some of the units with those units having side intake ports and with the other units having peripheral intake ports.... | 01/23/1979 |
| 4116190 | Trochoidal rotary piston engine with bypass of compressed mixture to exhaust chamber Rotary piston engine comprising a casing and a substantially tri-angular rotor disposed in the trochoidal cavity of the casing. The casing is provided with a take-out port for drawing compressed air from the compressing working and a discharge port locate... | 09/26/1978 |
| 4108137 | Rotary piston engines Rotary piston engines in which the rotor housing is formed with a peripheral intake port of relatively small area and at least one of the side housings is formed with a side intake port, and the side intake port is used only in high load engine operation.... | 08/22/1978 |
| 4091770 | Rotary engine A rotary engine comprises a rotor housing, rotor and seal pieces at the apexes of the rotor, all of which define combustion chambers. Of these combustion chambers, one is divided at the compression cycle into two sections. A mixed gas is explosively ignit... | 05/30/1978 |
| 4072131 | Spark ignition device and fuel injection means for internal combustion engines In one embodiment of the invention, the engine comprises a rotary-piston, Wankel-type machine having a ceramic-material housing. Within the wall of the housing are confined pluralities of passageways which provide conduits for the conduct therethrough of ... | 02/07/1978 |
| 4070994 | Modification for selectively operating a fraction of multiple rotors of a rotary engine An easily installed modification is disclosed for selectively supplying fuel and air to all or only a fraction of the rotors in a multirotor rotary engine for substantially increasing the fuel economy efficiency of the engine while reducing the emission b... | 01/31/1978 |
| 4067670 | Internal combustion engine with insulated piston An improved internal combustion engine of the type having a relatively high surface to volume ratio. An exemplary embodiment depicts the invention in a rotary engine having a rotor within a combustion chamber. The surfaces of the rotor that are exposed to... | 01/10/1978 |
| 4063535 | Rotary piston internal combustion engine A rotary piston engine having fuel-air inlets controlled by the piston and which supply a stratified charge to the inlet chamber of the engine. The inlets comprise first inlets which are opened first and which supply a lean mixture along the sides of the ... | 12/20/1977 |
| 4062326 | Rotary engine with rotary intake valve A rotary internal combustion engine having a variable rotary throttle valve in the engine intake passage immediately adjacent to the discharge end of said passage with the axis of the rotary valve being disposed substantially at right angles to the engine... | 12/13/1977 |
| 4040392 | Rotary engine modified for low emissions A rotary combustion engine and method of operating said engine in which grooves are provided in the engine trochoid surface to permit any unburnt fuel at the trailing end of a working chamber of the engine to blow back into the following working chamber s... | 08/09/1977 |
| 3996901 | Rotary piston mechanism A rotary piston mechanism for internal combustion engines, fluid motors, pumps and the like has an outer body enclosing a chamber that is defined by three equal curvilinear walls that circumscribe the chamber axis and define an equilateral triangle in a p... | 12/14/1976 |
| 3995602 | High combustion surface temperature rotor for an internal combustion rotary engine A multi-apex rotor for an internal combustion rotary engine is provided on its radially outwardly facing flanks with hot plates which each form a portion of a combustion chamber and have a shape and coefficient of expansion in relation to the rotor body s... | 12/07/1976 |
| 3990406 | Roto-reciprocating engine The invention relates to a roto-reciprocating engine combining the reciprocating principle with rotary movement by using an orbiting non-rotating piston and sliding chamber seals to form positive displacement chambers distributed radially around the crank... | 11/09/1976 |
| 3981276 | Induction-exhaust system for a rotary engine An induction and exhaust system for a rotary engine is disclosed which has a wing-type reed valve assembly disposed in the intake port of said system and effective to respond instantaneously to a back-flow differential pressure for closing the intake port... | 09/21/1976 |
| 3978826 | Rotary engine with intake valve having a variable open period for power control An internal combustion engine having an intake port with a valve movable to open and close the intake port and with the duration of the period in which the valve is fully open during each intake phase being varied to regulate the power output of the engin... | 09/07/1976 |
| 3977369 | Orbital displacers An everted orbital displacer is formed by locating the working cavities within the orbiting piston. If the piston is double sided, a normal orbital displacer may have its working cavities located on the outer periphery of the piston, and the combination o... | 08/31/1976 |
| 3973526 | Rotary combustion engine A rotary combustion engine having a rotor with separate ignition-exhaust ports which extend from one rotor flank to the same rotor side and open to a spark plug in the opposite stationary side wall during rotor rotation to provide for ignition of the char... | 08/10/1976 |
| 3967594 | Rotary power unit A rotary engine includes a tri-lobular casing provided an elliptical piston having two opposite faces alternately cooperating to define one of three firing chambers with a segment of the casing wall. Gearing and eccentric means supporting the piston withi... | 07/06/1976 |
| 3964448 | Rotary piston type engine A rotary piston type engine having an exhaust port and an intake port which are provided in a rotor housing at circumferentially spaced positions, the intake port being connected with an intake passage which has a valve provided in close proximity with th... | 06/22/1976 |
| 3964442 | Internal combustion engine A compact orbital core internal combustion engine comprising a casing defining a working space, a non-rotating but orbiting core body movable in the working space about a principal power output shaft, a plurality of partitions operable between the core bo... | 06/22/1976 |
| 3951112 | Rotary internal combustion engine with rotating circular piston A rotary internal combustion engine wherein the combustion chamber and the piston is formed with similar generally circular surfaces with the piston moving in an eccentric path of rotation within the combustion chamber and carrying with it improved combus... | 04/20/1976 |
| 3937186 | Rotary combustion engine with improved fuel control A trochoidal type rotary internal combustion engine wherein the intake port is controlled by the rotor, and variation in the fuel feed is provided by a slidable valve member in the intake pipe, which in closed position seats very close to the peripheral s... | 02/10/1976 |
| 3934558 | Throttling means for trochoidal rotary combustion engines A rotary internal combustion engine of trochoidal type, having a fuel-air intake port in a side wall thereof, with a rotary valve disposed immediately adjacent to the port and serving as a throttling means as well as controlling the timing of port closing... | 01/27/1976 |
| 3930469 | Carbureted prechamber rotary combustion engine A rotary combustion engine arrangement having a prechamber rotary engine section in which a rich air-fuel mixture is spark ignited with the hot combustion gases thereof directed into a lean air-fuel mixture for ignition thereof in a main chamber rotary en... | 01/06/1976 |
