Abstract: A rotary piston compressor/pump/blower includes a housing spatially limiting a working chamber, an intake connection for guiding fluid into the working chamber, a pressure connection for guiding the fluid out of the working chamber, and a rotor assembly having a first rotor rotatably arranged in a first working sub-chamber and a second rotor cooperating with the first rotor and rotatably arranged in a second working sub-chamber. The rotary piston compressor/pump/blower also includes a ventilation channel, formed in the housing and connected to the working chamber via a ventilation channel opening, for the temporally limited introducing of air into the working chamber, wherein the ventilation channel opening is open at least in sections, in particular completely open, in a compression phase.

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: The instant invention provides a torodial internal combustion engine with lengthened pistons that move through three perpendicularly intersecting torodial cylinders. The engine includes one central power ring and a pair of charge rings which intersect opposite quadrants of the power ring at right angles to supply a fuel/air mixture to the power ring for combustion. The charge rotors are connected to the power rotor, through a gear-train, so that all of the rotors rotate at the same rate. The fuel/air mixture is combusted within a combustion chamber formed entirely within the power ring.

Abstract: The rotary internal combustion engine is a rotary internal combustion engine that uses the unique combination of multiple rotors on a vertical axis with piston vanes, which are intersected by horizontally oriented valve rings so that rotating rotors intersect gaps on the rotating valve rings, thus creating the intake compression and power and exhaust cycles on this internal combustion engine. The unique design allows the motor to operation as either a motor or pump. High volume of compressed air virtually eliminates the need for a storage tank. These engines are an elegant solution that fulfills the century long quest for quiet, clean, highly efficient rotary power. When available, the demand for the benefits of rotary piston power in air, surface, and marine applications, will be immediate and rewarding.

Abstract: A device to convert energy having exterior and interior rotors where the number of legs (&Lgr;) of an interior rotor divided by the number of chambers (X) defined by the fins of the outer rotor is equal to the effective radius of the inner reference circle r1 divided by the effective radius of the outer reference circle ro (i.e. &Lgr;/X=r1/ro). Where the surface of the fins of the outer rotor and the toe and heel portion of the interior rotor allow for a sealed chamber for a finite amount of rotation of the inner and outer rotors.

Abstract: A nozzle supply valve is positioned in the nozzle supply passage of a fuel injector, and is constructed to generate a boot shaped rate trace mechanically. The goal of the concept is to restrict the flow area during the first boot step and release the flow area restriction in the second step. During the first stage of injection, the flow to the nozzle only goes through a restricted orifice. When the line pressure is high enough to overcome the valve movement pressure spring preload, the nozzle supply valve moves to an unrestricted position, and the boot shaped rate trace is formed. Since this boot shape rate trace is generated mechanically, it can be combined with fuel injectors having a direct control needle valve in order to get different rate traces including, ramps, squares, pilots, posts and other split injections.

Abstract: An alternator comprises a brush holding assembly holding brushes within a holding portion and being provided with a cover capable of being opened to remove the brush; and a cap which is disposed on an open portion for removal and insertion of the brush, the open portion being formed at a position on the case facing the cover. The removal and insertion of the brush is performed through the open portion with the open portion opened.

Abstract: A rotary internal combustion engine includes a housing within which is mounted for rotation at least one rotor. The rotor includes at least one flow conduit. The flow conduit defines a compression region having an inlet proximate to the rotation axis of the rotor and extending radially towards a periphery of the rotor. A mixture of air and fuel enters the flow conduit through the inlet and travels downstream through at least a portion of the compression region prior to combustion. A combustion region communicates with the compression region and is proximate to the periphery of the rotor. The air/fuel mixture flows from the compression region to the combustion region to undergo combustion in the combustion region. A power region communicates with the combustion region and includes an outlet proximate to the rotation axis of the rotor. The power region extends from the periphery of the rotor to the outlet.

Abstract: The internal combustion engine allows charging with an air/fuel mixture into the combustion chamber while the combustion chamber is under combustion pressure and outputs power virtually continuously at the same time, i.e., the novel engine has an almost continuous fuel feed and, due to substantially continuous combustion, it also has an almost continuous power output. The fuel and/or air is injected by way of mutually intertwined worm spindles that form a fluidtight displacement system. The blades of the impeller system are almost flat, i.e., their attack angle relative to backpressure is close to perpendicular so that they will turn quite freely in the forward direction, but will not be turned backwards by a pressurized backflow. The impeller rotation that is introduced via the spindle shafts nevertheless leads to a volume displacement towards the chamber to be pressurized or to be subjected to equal pressure.

Abstract: A grooved double combustion chamber rotary engine includes a rotary compression unit, a rotary gas motor unit, and a combustion chamber, the rotary compression unit being connected to the respective rotary gas motor unit and the combustion chamber to constitute a stroke, and two strokes being alternating to achieve power output.

Abstract: A rotary internal combustion engine is disclosed having a housing with a compression chamber and an expansion chamber which can be separate chambers with separate rotors located therein or a combined chamber with a single double-lobed rotor located therein defining the two chambers. One or more combustion chambers having an inlet and an outlet is located adjacent to the compression and expansion chambers. Rotary valves are located between the combustion chamber inlet and the compression chamber and the combustion chamber outlet and the expansion chamber. Hollow, tubular, piston-like saddle seals are located in the combustion chamber and are urged into sealing engagement with the rotary valves by bias means and pressure in the combustion chamber.

Abstract: A rotary internal combustion engine including a rotary screw compressor for receiving and compressing a mixture of air and fuel, a rotary positive displacement pump for receiving the compressed air and fuel mixture from the rotary screw compressor and pumping the mixture of compressed air and fuel therethrough, the pump having igniting means for igniting the mixture of compressed air and fuel inside of the pump, and a rotary screw expander for receiving the ignited mixture of compressed air and fuel and for expanding the volume of the ignited mixture of air and fuel therethrough.

Abstract: A rotary internal combustion twin engine includes matching pairs of multilobed interengaging compression rotors compressing gas and air mixtures into compression chambers defined by concavities of transfer rotors. With a 180 degree rotation of transfer rotors, compression chambers become combustion chambers containing intermittent ignition devices. Ignited and expanded gasses impel lobes of matching pairs of multilobed interengaging expansion rotors providing rotational energy and exhausting burned gasses.

Abstract: In the subject invention an electronic control unit is used to control the air/fuel ratio in an engine combustion chamber in response to sensed engine parameters. More particularly, a magneto interface produces an ignition signal which is delivered to a spark plug. The spark plug is disposed essentially in the center of a combustion chamber, and it ignites an air/fuel mixture in the chamber in response to the ignition signal. A sensor such as an ion probe, for example, is further disposed in the combustion chamber longitudinally from the spark plug. The sensor produces an ionization signal in response to a flame front propagating past the sensor. A buffer circuit receives the ignition and ionization signals and produces a combustion signal in response to a time difference between the reception of these signals. The electronic control unit receives the combustion signal and calculates a combustion signal air/fuel ratio in response to the combustion signal.

Abstract: An internal combustion motor consists of three rotary units, namely a pump (A) with blades, a bladed motor (C) and a combustion space (B) which is a cylindrical chamber (7) including a rotor (8) performing a rotary motion in a sealed manner, having at least one open cavity (9) on the mantle near to its edge. An inflow port (1) of the pump (A) communicates with the ambient atmosphere through an air filter (11). The outflow port (2) communicates with the inflow port (2') of the combustion space (B). The outflow port (4') of the combustion space (B) is connected to the inflow port (4) of the motor (C), while the outflow port (5) of the motor (C) is connected through the silencer (13) with the ambient air. Progressing from the inflow port (2') to the outflow port (4') in a sense of rotation in the wall of the chamber (7) an aperture (3) is formed for injecting fuel and/or an ignition plug (14 ) is fastened therein. The central angle between the nearest points of the combustion space (B), i.e.

Abstract: A system for controlling the amount of intake air of an engine at cold engine operation. A control valve is provided in a bypass around a throttle valve of the engine. The opening degree of the control valve is determined by the opening degree of the throttle valve. When the throttle valve is closed to a position near a throttle valve closed position, the control valve is gradually closed.

Abstract: A rotary-vane internal combustion engine comprising, in combination, a rotary compressor for forming and igniting a combustible fluid mixture, a rotary power unit, and an expansion chamber that is connected both to the compressor for receiving the ignited mixture, and to the power unit, where the power developed by the expanding ignited combustible mixture in the expansion chamber drives a vane acting on a driven member.In each of the compressor and power units respective rotors are mounted for rotation. A plurality of vanes rotatably supported by a shaft within each rotor rotates with the rotor and slide in slots in guides mounted with the rotor. The rotor within the compressor is mounted eccentrically so that the fluid is compressed before it is ignited and leaves the compressor.The combustible fluid, after ignition, enters the expansion chamber where it drives one or more vanes coupled to the rotor mounted eccentrically within the rotary power unit.

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 rotary member is provided that includes a housing having a pair of rotors mounted therein, and wherein there is provided a shaft having a channel or passageway therein that selectively communicates with the chambers in which the rotors turn. The rotary machine is constructed and operates without the use of a crank shaft, cam shaft, and wherein the machine is air cooled.