Abstract: A recirculation grill that includes a cooktop and an intake aperture defining a plurality of slats configured for receiving smoke from the cooktop; an interior plenum configured to create a vacuum force to pull air and smoke from the cooktop into the intake aperture; a diffuser positioned within the plenum and extending downwardly and outwardly; a tunnel configured to receive air flow from the plenum and having at least a filter; a blower housing enclosing a variable speed blower fan configured for pulling air and smoke from the cooktop into the intake aperture and through the plenum and into the tunnel; and a variable fan drive (VFD) for controlling the variable speed blower fan and improving the life of the filter. The intake aperture, the plenum, and the blower are configured to achieve 100% visible smoke capture.

Abstract: The invention relates to a mixer for a device for selective catalytic reduction of exhaust gases from internal combustion engines. The mixer comprises a structure of mixer elements through which the mixture of exhaust gas and reducing agent is to flow. The mixer elements have an electric current flowing through them for electrical heating due to the electrical resistance thereof. The invention further relates to a device for selective catalytic reaction of exhaust gases from an internal combustion engine having an exhaust gas pipe leading to a mixer according to the invention and having a reducing agent pipe which is connected to a reservoir for reducing agent and which opens into the exhaust gas pipe in the flow direction upstream of the mixer, and a catalyst in the flow direction downstream of the mixer.

Abstract: Provided is an intake noise reduction device that can suppress an occurrence of noise in an intake pipe. An intake noise reduction device (100) disposed on a downstream side of a throttle valve in an intake pipe and including a flow-guiding net (110) that guides an air flow, wherein the flow-guiding net includes a mesh that is configured to be fine in a vicinity of a center of a flow passage in the intake pipe and to become coarser with distance from the vicinity of the center. For example, the mesh flow-guiding net (110) is formed of a plurality of radial portions (111) extending radially outward from the vicinity of the center of the flow passage in the intake pipe and a plurality of concentric portions (112) provided concentrically from the vicinity of the center.

Abstract: A method for producing aerated fuels that includes introducing a gas and a liquid fuel into a high shear device; and processing the gas and the liquid fuel in the high shear device at a shear rate of greater than about 20,000 s?1 to form an emulsion of aerated fuel comprising gas bubbles dispersed in the liquid fuel.

Abstract: An apparatus for improving the performance of a radial compressor 36 forming part of an inlet system of an engine 10 is disclosed in which the configuration and positioning of a flow management device 137 used to generate pre-whirl is optimized so as to produce a pressure drop below a maximum acceptable level. An inlet duct ‘I’ connected to the radial compressor 36 has a tapered end portion so that a flow management device 137 of a larger diameter d2 can be accommodated than the diameter d1 of an inlet port ‘IP’ to the radial compressor 36.

Abstract: An air inlet system of an engine includes a throttle, a fan, a motor, and a throttle sensor. The fan is connected to the throttle. The motor is for driving the fan to force air into at least one intake manifold of the engine through the throttle. The throttle sensor is for controlling the rotational speed of the fan according to the motion of a throttle pedal.

Abstract: The air intake accessory includes a housing containing a non-electric fan. The housing has an inlet and outlet each of which connects between the air filter and engine on the air intake line. The housing has a nozzle along the side of the fan closest the air filter, which speeds up movement of the intake air. The inclusion of the nozzle and non-electric fan improves fuel efficiency and engine performance.

Abstract: The invention relates to a dilution and dispersion device for the exhaust and/or cooling gases of a vehicle's engine, that incorporates blades and a hub. The hub of said device incorporates means intended to reduce the loss in the gaseous flow rate generated by said gases. The flow rate loss reduction means are constituted by one or several openings in said hub or by a profiled element allowing said gases to be defected towards said blades. The blades are fastened to a ring.

Abstract: The present invention relates to an internal combustion engine, and more particularly, to an internal combustion having improved performance by promoting mixing of fuel and air using a fuel mixing means installed at an intake port to improve the flow property of the mixture introduced into a combustion chamber. In an internal combustion engine according to the present invention, a fuel mixing means is installed at an intake port for use in supplying a mixture of fuel and air into a combustion chamber. The fuel mixing means is provided with a stream-disturbing body having a plurality of vanes for disturbing a stream passing through the intake port. The stream-disturbing body is installed rotatably in the intake port to generate a vortex or turbulence so that fuel and air are mixed uniformly and then supplied into the combustion chamber.

Abstract: Use of a high shear mechanical device in a process to produce aerated fuels for efficient combustion in an engine. In instances, the method comprises forming an emulsion of a gas and liquid fuel in a high shear device prior to introduction to an engine. A vehicular system for producing aerated fuels comprising a high shear device.

Abstract: This invention relates to the creation of an environmentally friendlier, higher efficiency fuel supply system for the composition of on demand vaporized fuel-air mixture for an internal combustion engine.

Abstract: A turbine assembly comprising a hub and a plurality of vanes. The hub has a plurality of slits angularly disposed thereon. The plurality of vanes, each comprises an interior edge and an exterior edge. Each of the plurality of vanes has curvature and trespasses the plurality of slits. Exterior edges on the plurality of vanes comprise at least two protrusions. The protrusions fill channels defined in an air intake line of an engine, thereby allowing the hub to spin within the air intake line to create a vortex.

Abstract: A mixing and/or evaporating device (7) is provided for an exhaust system (3) of an internal combustion engine (1), especially in a motor vehicle. The mixing and/or evaporating device (7) has a tubular body (8), at one axial end of which a plurality of blades (9) are arranged, which blades are located adjacent to each other in the circumferential direction, project radially inwardly and have angles of incidence in relation to one another in the axial direction. For manufacture at a low cost, the tubular body (8) is manufactured together with the blades (9) from a single sheet metal body (11) by shaping.

Abstract: A device configured to impart a vortex motion in a fluid for an internal combustion engine, the internal combustion engine comprising a throttle. The device comprises at least one mixing element, the mixing element being disposed transversely to a main direction of a flow of said air/fuel mixture, and the device is configured to be disposed downstream of the throttle.

Abstract: The invention relates to an induction regulator (201) for an internal combustion engine which comprises one or more features selected from: at least one perforated element (203) for allowing the passage of fuel/air mixture therethrough, at least one open-topped reservoir (205) for retaining excess unvapourised fuel and means (204) for mounting the regulator in the inlet manifold of an engine, the open-topped reservoir (205) comprising a series of perforations (207) therein; at least one perforated element for allowing the passage of fuel/air mixture therethrough, means for mounting the perforated element in the inlet manifold of an engine and the means (510) for heating the perforated element; and a propeller and means for mounting the propeller (703, 803, 903) in the inlet manifold of an engine.

Abstract: A regulator is provided for increasing the efficiency of an engine. The regulator is locatable in or adjacent to an engine manifold and has a propeller (18) connected to a power supply (58) for driving the propeller. The propeller is mounted (18) in the manifold. The propeller has a longitudinal pin (16) defining a rotation axis and at least one blade attached to the pin by an elongated blade root that substantially follows the longitudinal axis of the pin.

Abstract: A device configured to impart a vortex motion in a fluid for an internal combustion engine, the internal combustion engine comprising a throttle. The device comprises at least one mixing element, the mixing element being disposed transversely to a main direction of a flow of said air/fuel mixture, and the device is configured to be disposed downstream of the throttle.

Abstract: A system and devices to actively induce turbulent flow in the intake tract of an internal combustion engine. At least certain of the devices include moving components which induce a swirling or rotating movement about a major intake axis. The adjustment to the flow provides more complete atomization or vaporization of liquid fuel components in an incoming fuel air mixture. Individual devices can be provided in individual intake runners. A single device can be provided in the plenum region of integral or monolithic intake manifolds. Rotation axes of rotating flow diverters can be inclined to also provide a tumbling or rolling component to the mixture flow. Inclined vanes of non-moving flow adjusters can also be provided to induce a tumbling flow component.

Abstract: The invention relates to an induction regulator (201) for an internal combustion engine which comprises one or more features selected from: at least one perforated element (203) for allowing the passage of fuel/air mixture therethrough, at least one open-topped reservoir (205) for retaining excess unvapourised fuel and means (204) for mounting the regulator in the inlet manifold of an engine, the open-topped reservoir (205) comprising a series of perforations (207) therein; at least one perforated element for allowing the passage of fuel/air mixture therethrough, means for mounting the perforated element in the inlet manifold of an engine and the means (510) for heating the perforated element; and a propeller and means for mounting the propeller (703,803,903) in the inlet manifold of an engine.

Abstract: A flow guiding structure for guiding into a clockwise swirling flow pattern gas flowing into a gas passageway leading toward a combustion chamber of an internal combustion engine. The structure includes a tubular peripheral wall having a base section for securing the structure to the gas passageway and an integrally extending guiding section. A plurality of guiding vanes extend radially inward from the guiding section each about a corresponding vane first edge. Each guiding vane includes a vane second edge extending in a geometrical plane perpendicular to the structure longitudinal axis. Each guiding vane further includes a substantially convex vane third edge. The guiding section is provided with a plurality of guiding bents formed therein and extending radially inwardly. The guiding bents are adapted to act as an auxiliary guide and as reinforcement for the structure.

Abstract: The device includes a set of rotatable vanes and a set of stationary vanes which are mounted within a cylindrical housing. The set of rotatable vanes are connected to a post located at the axis of the housing and rotate relative to the post in response to the intake or exhaust fluid impinging on the vanes which are angled relative to the direction of flow of the fluid stream. The set of stationary vanes are rigidly secured to the post and also rigidly secured to the housing walls. The set of stationary vanes are positioned adjacent the set of rotatable vanes and are similarly angled relative to the direction of flow of the fluid stream in order to deflect the fluid stream and impart a swirling motion to the fluid stream in order to provide more complete mixing of the air/fuel mixture of the intake fluid stream or scavenging of the exhaust fluid stream. Tabs which extend radially outwardly from the housing ends secure the device within an intake or exhaust passageway.

Abstract: In a system for controlling an internal combustion engine having a plurality of cylinders and connected to the automatic transmission and mounted on a vehicle and the operation of the engine is switched between full-cylinder operation during which all of the cylinders are operative and cutoff-cylinder operation during which some of the cylinders are non-operative, based on at least the load of the engine, a gradient of road on which the vehicle runs is estimated and the cutoff-cylinder operation is prohibited when the estimated gradient is equal to or greater than a threshold value. With this, it becomes possible to generate sufficient deceleration, when the vehicle runs a downhill during cutoff-cylinder operation, while ensuring to prevent the operator to feel excessive acceleration.

Abstract: The air-stirring blade is provided that comprises a cylindrical body whose mid portion is provided with blade of such a construction that the inner side of the blade takes the form of stirred grooves with dip angle of about 10° to 80° or typically 30° with respect to vertical axis of the body. The outer side of the blade is of the same shape with the inner side thereof and there are four tangent lines between the blade and body forming a channel of cap-shaped cross-section which is twisted along the body.

Abstract: The apparatus has a pneumatic controller, which controls the pressure in a gas conduit (1) in dependence on the pressure in an air conduit (2). Provided downstream of the regulator is a mixing device (4), which has a venturi-like mixing chamber (7). Extending into the inlet opening of the mixing chamber (7) is a nozzle (8), which is connected to the air conduit (2). Defined between the nozzle (8) and the edge (9) of the inlet opening of the mixing chamber (7) is an annular gap (10), which is connected to the gas conduit (1). Also operating in the air conduit (2) is a conical member (11) which is actuated by a linear motor (12). The mixture is withdrawn from the mixing chamber (7) by a fan (5), whose speed is controllable, and fed to the combustion device. The adjusting motor (12) for the conical member (11) operates in dependence on a signal from a sensor, which detects changes in the gas quality, the air pressure and/or the combustion air temperature.

Abstract: The device is utilized to provide swirling of either intake air flow or exhaust gas flow of an internal combustion engine. When used to swirl intake fluid flow, the device is positioned in the intake passageway for air entering the carburetor or fuel injection subsystem. The swirling of the air provides more complete mixing of the air and fuel entering the combustion chamber of the engine thereby providing more complete combustion of the fuel mixture. When utilized to swirl exhaust fluid flow, the device is positioned in the exhaust passageway for exhaust gases exiting the exhaust manifold. The swirling of the exhaust gases minimizes slowing of exhaust gas flow through the exhaust system to reduce back pressure and thereby provide more complete combustion. The device includes a set of flat planar vanes which are mounted within a housing. The varies are angled to impart a swirling motion to the intake air or exhaust gas passing through the housing.

Abstract: The invention relates to an induction regulator (201) for an internal combustion engine which comprises one or more features selected from: at least one perforated element (203) for allowing the passage of fuel/air mixture therethrough, at least one open-topped reservoir (205) for retaining excess unvapourised fuel and means (204) for mounting the regulator in the inlet manifold of an engine, the open-topped reservoir (205) comprising a series of perforations (207) therein; at least one perforated element for allowing the passage of fuel/air mixture therethrough, means for mounting the perforated element in the inlet manifold of an engine and the means (510) for heating the perforated element; and a propeller and means for mounting the propeller (703,803,903) in the inlet manifold of an engine.

Abstract: A vortex generator is adapted for use with an engine so as to enhance combustion efficiency of the engine. The vortex generator includes a tubular body and a plurality of curved blades. The tubular body is adapted to be disposed anterior to an air intake port of the engine and is formed with an air inlet, an air outlet, and an inner wall surface that defines an air passage extending from the air inlet to the air outlet. A plurality of curved blades are mounted in the air passage on the inner wall surface of the tubular body, and cooperate to direct air that flows through the air passage from the air inlet to the air outlet to form a vortex which is supplied to the air intake port. As such, the vortex can mix with fuel in the engine to enhance the combustion efficiency.

Abstract: Swirl is imparted to an air intake charge by a gas swirling device which may be inserted into an air intake hose or secured to a throttle body. The gas swirling device has a cylindrical body which is split along a generally longitudinally extending seam to allow the device to adjust its radial dimension. The device is formed from a single piece of bendable material and includes a plurality of swirling vanes which are formed integral with the cylindrical body of material and which are bent radially inwardly toward the central axis of the cylinder. In an embodiment for axial air flow, each of the blades is skewed relative to the axis of the cylinder for changing the direction of air flow through the cylinder and to encourage swirl in the air flow.

Abstract: An improved air intake conduit for a fuel metering device including an air inlet passage, the air intake conduit including a primary duct which is configured to be attachable to the fuel metering device permitting fluid communication of air through the primary duct to the fuel metering device. An air flow directing vane extends across the passage of the primary duct, typically at the upstream end of the primary duct, and is configured and oriented in relation to the air flow to impart a controlled and substantially inclined circular air flow within the air inlet passage. One embodiment of the invention includes a plurality of air flow directing vanes extending axially from the sides of the primary duct towards the center region of the air inlet passage. A secondary duct, including a venturi, is attached at ends of the plurality of air flow directing vanes. Each air flow directing vane may be configured as an asymmetrical airfoil including a leading edge and trailing edge.

Abstract: An integrally cast, non-welded coal spreader for a furnace or boiler burner has integrally cast swirl vanes. A shaft of the spreader extends into the hollow interior of a cap of the spreader and the vanes extend outwardly of the cap and are cast as one piece with the cap.

Abstract: A device for transforming internal combustion engines using liquid fuel into over-pressurized engines using gas. Liquid fuel is fed into an annular chamber surrounding a needle. The fuel and primary air is injected at a controlled flow and pressure into a choke chamber to form an air-fuel premixture made of very fine microdrops. During the downstroke of the piston, the premixture is aspirated, causing the projection of the premixture against the blades of a rotor which rotates at high speed. The gasification chamber is then over pressurized during the closing of the intake valve and the introduction of the mixture.

Abstract: An injection/mixing device for improving the mixing of fuel and air in a petrol driven internal combustion engine. The device is fitted in the engine inlet manifold close to the fuel inlet from a carburettor or fuel injector and uses a vortex generator. The vortex generator is in the form of an array of lenticular, conical or deltoid disks located in the fuel/air flow and which serve to disperse the impinging fuel droplets and mix the fuel and air. The effect of the device is preferably enhanced by allowing the vortex generator to rotate or spin about its axis. This rotation is achieved by means of a turbine associated with the disks or by means of an external motor. The device may also be connected to a vacuum relief valve to attenuate the level of the depression in the intake manifold under certain conditions. The vacuum relief valve may be integral or separate from the device.

Abstract: A gas vortex device for an internal combustion engine includes at least a guider body installed in a predetermined position of a flowing passage provided between an inlet chamber of a cylinder body and an exhaling end of an air inputting arrangement of the internal combustion engine. The guider body which has an inlet end and an outlet end installed in such a manner that the outlet end should be more proximate to the inlet chamber of the cylinder body than the inlet end. The guider body further has an axial portion and at least two guiding wings extending symmetrically, outwardly and radially from the axial portion.

Abstract: An apparatus for generating turbulence in the intake manifold of an engine in a motor vehicle, the apparatus comprising a reversable step motor having a drive shaft and a drive gear fixed thereto; an elongated shaft being disposed for slidable movement along its axis and having one end disposed in the intake manifold and the other end extending outside the intake manifold, the other end of the shaft including a rack gear drivingly engaged by the drive gear; an anchor fixed in the intake manifold and supporting the shaft for axial movement; a plurality of fan blades mounted at the one end of the shaft for rotation about the shaft axis, each blade being pivotally mounted for movement between folded and unfolded positions in response to axial movement of the shaft; and a control unit for electrically operating the step motor in response to engine rotation rate or vehicle speed to cause the blades to unfold into the intake air stream when the rate or speed is below a predetermined value and to fold when the rate

Abstract: An air guiding device for producing a vortical and/or turbulent air flow in an inlet manifold, which device comprises a fixed supporting structure, a plurality of vanes carried by the supporting structure for deflecting an air flow impinging on the device in a first direction, a tab associated with at least one of the vanes for deflecting the air flow in a second direction, the arrangement being such that the air flow impinging on the device is deflected into a vortical and/or turbulent air flow by the vanes and/or tab or tabs.

Abstract: A device for enhancing the combustion of fuel in an internal combustion engine including an evaporation chamber adapted to contain a volume of liquid fuel. The evaporation chamber is adapted for communication with an airstream in the internal combustion engine travelling toward a combustion chamber of the internal combustion engine so that fuel vapor formed in the evaporation chamber may pass into the combustion chamber by operation of the internal combustion engine. A fuel agitator mounted for motion in the evaporation chamber agitates the liquid fuel to promote vaporization of the fuel and is driven by an actuator mounted for motion in the airstream.

Abstract: A device for converting a combustible liquid fuel into converted fuel having a smaller proportion of vapor and a larger proportion of microscopic fuel droplets, mixing the converted fuel with air in a manifold to convert more of the converted fuel to a vapor and transferring the converted fuel and air mixture into a combustion chamber is provided. The device includes a vacuum chamber formed as a cylindrical housing wall having a longitudinal axis with at least one fuel inlet in the housing wall and a fuel outlet in the housing wall offset from the inlet. An eccentrically mounted cylindrical rotor is provided within the housing wall for rotation about a longitudinal axis about bearings mounted in opposite end walls. The rotor has one or more radial slots and a generally rectangular vane slidably received in each of the slots. Each vane is urged outwardly against the housing wall when the rotor is rotated.

Abstract: A device for increasing fuel efficiency in an internal combustion engine and for reducing emissions, including a rotor assembly positioned entirely within the manifold of the engine and including a post secured to the bottom of the manifold below the carburetor and mounting a freely rotatable rotor on the top of the post adjacent the carburetor opening of the manifold. The rotor includes a plurality of angled slots therethrough whereby the flow of the combustible mixture impels the rotor to spin. The spinning rotor causes the droplets of gasoline to further vaporize, thus boosting the fuel efficiency of the engine and reducing emissions.

Abstract: A rotatable element is disposed in the central plenum of a minifold which rotates in response to the flow of the air-fuel mixture through the plenum and manifold. The rotation of the element enhances the atomization of entrained liquid fuel droplets in the flow and redirects the flow uniformly to all port runners. The rotatable element may include vanes for causing its rotation.

Abstract: An air flow system for an internal combustion engine comprising an air cleaner and a swirling device disposed therein and having a plurality of vanes with at least one elongated slit for causing the air to swirl thereby improving the properties of the air fuel mixture and improving the performance of the engine.

Abstract: The benefits of "The Hurricane Effect" are increased performance, increased consistency of that performance, a reduction of fuel consumption, and reduced toxic emissions from unburned or partially burned fuels. The "Hurricane Effect" weakens the molecular bonding of any given fuel by a series of various components that create the atmospheric conditions of a hurricane within the intake manifold of any internal combustion engine. The "Hurricane Effect" is guaranteed to evenly distribute fuel molecules among air molecules in preparation for burn.

Abstract: The device consists of a rotor (4) which is arranged in a suction pipe (1) and rotatably supported. The rotor (4) includes a hollow jacket body (5) on the outer wall of which vanes (2, 3) are arranged. A nozzle holder (26) is guided through the end (10) of the jacket body (5) directed against the air stream, which holder bears the injection nozzle (9) and is connected at the rear end with the fuel feed line (8). The fuel jets (24, 25) coming out of the injection nozzle (9) are directed against the inner wall (20) of the jacket body (5). This forms, at the same time, the jacket surface of the core hollow space (6) which widens toward the open end (11) of the jacket body (5). At the open end (11) is a centrifuge ring (14) with a spray edge (23). The rotor (4) is set in rotation by the stream of air flowing in the direction of the arrows (30, 31), and mixes the fuel centrifuged from the spray edge (23) homogeneously with the air.

Abstract: The invention refers to the mixing of gas or gases with air, in a controllable ratio, by means of a mixing apparatus wherein the entrance air is forced in a complete developed rotation stream, by which a strong suction pressure is created in the center, so that gas can be sucked in ratio independent of the total volume per second. The mixing ratio of gas and air is controlled through an adjustable angle of the air entrance nozzles. The rotating airstream is accelerated in the radial entrance plane and via a logarithmic curved profile, the airstream is guided in the axial outlet direction of the mixing apparatus. The rotating airstream develops a center-core stream, where inside it a maximal under-pressure is created. By this underpressure, the main gasstream can be sucked and mixed with the airstream via the whirl grates, which are fixed in the outletsection just in front of the mixture outlet valve.

Abstract: A carburetion system for an internal combustion engine includes a fuel heater and vaporizer unit which produces a 30% liquid/70% vapor fuel mixture for delivery to the carburetor, and a flow control valve connected to be responsive to the ported vacuum pressure in the carburetor to increase the flow of heated and vaporized fuel to the carburetor when the ported pressure decreases, and decrease the flow of such heated and vaporized fuel when the ported pressure increases. The air drawn into the carburetor as a result of engine operation is further heated to a temperature within the range 160.degree. F. to 180.degree. F., by thermister controlled heating elements. In operation, the flow control valve works in conjunction with the carburetor float chamber to provide varying amounts of heated liquid fuel and heated vaporized fuel for mixing within the carburetor with the heated air, to enhance combustion within the engine and produce a corresponding reduction in exhaust pollutants.

Abstract: A substantially circular strip air swirling device is provided for positioning in the annular space of air filters on internal combustion engines. Such device has a plurality of upper outwardly extending vanes and a plurality of upper inwardly extruding vanes with a transverse support member. Such device creates a swirling stream of air as the air enters the air horn of the carburetor to provide improved carburetion which results in improved gasoline mileage.

Abstract: A carburetion system for an internal combustion engine includes a fuel heater and vaporizer unit which produces a 30% liquid/70% vapor fuel mixture for delivery to the carburetor, and a flow control valve connected to be responsive to the ported vacuum pressure in the carburetor to increase the flow of heated and vaporized fuel to the carburetor when the ported pressure decreases, and decrease the flow of such heated and vaporized fuel when the ported pressure increases. The air drawn into the carburetor as a result of engine operation is further heated to a temperature within the range 160.degree. F. to 180.degree. F., by thermister controlled heating elements. In operation, the flow control valve works in conjunction with the carburetor float chamber to provide varying amounts of heated liquid fuel and heated vaporized fuel for mixing within the carburetor with the heated air, to enhance combustion within the engine and produce a corresponding reduction in exhaust pollutants.

Abstract: An internal combustion engine having three valves per cylinder includes a novel fuel injector that produces a heated 30% liquid/70% vapor fuel mixture at the injector's outlet. This heated fuel mixture combines with air heated to a temperature within the range of 160.degree. F. to 180.degree. F. by thermistor controlled heating elements prior to entering a combustion chamber. To help reduce pollutants and increase efficiency of the engine, a methanol/water vapor mixture is further drawn through a PCV line and combined with the air/fuel mixture prior to entering into the combustion chamber.

Abstract: An apparatus for enhancing fuel atomization in an internal combustion engine includes an impeller assembly mounted between the carburetor and intake manifold of the engine with a rotational rotor for impingement by the moving fuel entrained airstream from the carburetor and the intake manifold to rotationally disperse and further atomize the fuel particles in the airstream. An E.G.R. valve operated by the vacuum draw from the engine controls the admission of a supplemental airstream into the impeller assembly radially against the rotor member at engine speeds in excess of a predetermined threshold level to impart increased rotational speed to the rotor member to further enhance fuel atomization and to achieve a turbocharging-like effect.

Abstract: A fuel distribution system for a multi-cylinder internal combustion engine includes an intake manifold having a tubular inlet stack with an inlet including a mounting for a carburetor on the top thereof and a plurality of runner passages extending generally transverse to the bottom of the stack and to intake ports at each cylinder. The manifold includes a housing downstream of the stack providing a freely rotatable mounting for a shaft having a plurality of axial flow turbine blades thereon and a radial flow impeller is also mounted on the shaft, spaced from the turbine blades. The stack has a cylindrical interior wall section closely fitted to the turbine blades, defining therewith a ducted velocity turbine, and beneath the stack the housing surrounds the impeller and is connected to each of the runner passages, whereby all fuel/air mixture passes through the turbine and impeller.

Abstract: A method and apparatus for operating an electric ignition, internal combustion engine that substantially improves the fuel efficiency by utilizing heat normally discharged to the ambient to condition and prepare the fuel mixture prior to entry into the combustion chambers. The apparatus comprises a fuel vaporizer that transfers heat from the engine coolant system to the fuel mixture as it leaves a fuel introducing device such as a carburetor; a fuel mixture heater for heating the mixture above the vaporization temperature of the liquid fuel; and, a mixture homogenizer for thoroughly stirring the fuel mixture that is located in the fuel mixture flow path intermediate the vaporizer and heater. The homogenizer is operative to compress the fuel mixture under certain engine operating conditions and the heater forms the intake manifold for the engine and includes branch flow paths and associated conduits that communicate directly with each combustion chamber through a valve controlled port.