Abstract: A fuel conditioning device having temperature controlled fuel duct to vary the residence time of the fuel within the device to regulate fuel temperature and allow water entrapped in the fuel to separate from the fuel under the influence of gravity.

Abstract: Fuel for a diesel engine is fed to the engine through a small float tank provided with a fuel heater. A cooling unit is employed to cool overheated fuel recycled from the engine. A temperature controlled valve is utilized to divert recycled fuel from the cooling unit through the float tank and back to the engine if the recycled fuel is sufficiently cool. The fuel heater, cooling unit and valve are adapted to optimize fuel temperature based on engine performance design.Water, propane, LPG, etc. also may be injected into the engine along with the diesel fuel to improve the combustion process and fuel economies.

Abstract: A method for protecting vehicle emissions control catalyst from phosphorus poisoning comprising contacting at least one of the crankcase ventilation stream and the exhaust gas recirculation stream with a bed of solid adsorbent capable of removing phosphorus compounds in the gas stream, and circulating the treated gas stream to the intake side of the engine.

Abstract: An electromagnetic fuel saving device for internal combustion engines. The device includes two electromagnetic assemblies and two connectors. Each electromagnetic assembly includes a coil, a spool, an insulating tape, a casing, a core, two studs, and two terminals. The coil is wound around the spool and is covered by the insulating tape. The casing encloses the coil, the spool, and the insulating tape. The core is pivotally mounted within the spool cylinder and extends on either side of the spool. A stud is connected to each end portion of the core. The terminals are connected to the coil and are adapted to be used to operatively connect the coil to a battery. Two electromagnetic assemblies are installed on a fuel line in opposing relationship by aligning them so that they contact the periphery of the fuel line, by connecting them with the two connectors, and by operatively connecting them in parallel to a 12 volt direct current circuit. When so installed, there is a gap between the opposing studs.

Abstract: A circulating fuel heating system for internal combustion engines of both gas and diesel types. The system is sizeable through staged heat exchanger components to provide the necessary fuel heating for various engine sizes and fuel consumption rates. The system basically comprises a plurality of staged fuel/hot water heat exchangers, a fuel controller interposed between the heat exchangers and the carburetor bowl, a by-pass/metering valve and a vapor capture system for returning unused fuel to the heat exchanger and a fuel/exhaust manifold heat exchanger operably connected to the controller to satisfy initial heating requirements for the period after cold-engine starting.

Abstract: An air and fuel mixture heater for disposition between the usual opposing and coaction mounting flange portions of a combustion engine intake manifold and associated carburetor base mounting flange, and which heater basic structure and operation may also be incorporated in the inlet portion of the associated intake manifold, if desired, when carburetor air cleaner-to-hood clearance is minimal. The heater defines a thin hollow housing including a pair of closely spaced, parallel and registered opposite top and bottom side walls having at least generally registered air and fuel mixture openings formed therethrough. The housing also includes peripheral wall portions extending between corresponding peripheral edge portions of the housing side walls and baffle plate is mounted within the housing spaced intermediate and generally paralleling the housing side walls.

Abstract: A fuel mixture heating device of an internal combustion engine having a downdraft type carburetor mounted on the collecting portion of the intake manifold. A hollow cylindrical body having a radially outwardly extending flange is arranged at the lower end of the air horn of the carburetor. A plurality of PTC elements is arranged to be in contact with the flange of the hollow cylindrical body for heating the inner wall of the hollow cylindrical body.

Abstract: An improved fuel temperature control system is disclosed for attachment to a diesel engine. The control system comprises a fuel tank, an injection pump and a transfer pump along with associated fuel lines. The transfer pump is designed to draw fuel out of the fuel tank and route it to the injection pump. In the injection pump, a portion of the fuel is directed to the cylinders of the engine while the unused portion is returned via a return line to the fuel tank. In addition to the above, a temperature control means is positioned across the fuel supply line between the transfer pump and the injection pump. This temperature control means contains a temperature sensor interconnected to a temperature compensator valve. The temperature sensor is capable of sensing the temperature of the fuel as it flows through the fuel supply line while the temperature compensator alters the direction of flow of the fuel in response to commands from the temperature sensor.

Abstract: An arrangement and method is disclosed for improving the fuel economy of an internal combustion engine of the type having a carburetor for mixing a fuel with air, in which the air is saturated with a mixture of ether, alcohol and water.

Abstract: An improved internal combustion engine having a means for heating the fuel-air mixture by injecting hot air into the carburetor, said hot air having a temperature of at least 150.degree. F. whereby the fuel and the fuel-air mixture is volatilized and the fuel-air mixture is heated to impart turbulence to the fuel-air mixture.

Abstract: A method and apparatus for utilizing both a liquid fuel and a gaseous fuel with a minimum change in a standard internal combustion engine. The gaseous and liquid fuels are fed from separate fuel supplies with the flow of fuels being controlled in response to engine load so that at engine idle only gaseous fuel is supplied and combusted by the engine and both gaseous and liquid fuels are supplied and combusted when the engine is operating under load conditions.

Abstract: A suction-limiting check valve for a crankcase ventilating line which is connected to the engine intake downstream of the carburetor, the valve having two valve devices arranged for parallel operation, each including a spring-biased diaphragm which closes against a valve mouth at a predetermined level of negative pressure, one valve mouth being much smaller than the other to produce an earlier reopening of that valve device under elevated suction on the outlet side of the valve.

Abstract: A method and apparatus are provided for treating fluid hydrocarbon fuels. The method includes flowing the fuel through a treater region defined by the apparatus including a cylindrical outer electrode positioned coaxially about an insulated inner electrode. The annular treater region is preferably filled with small dielectric beads of a selected size and having spaces therebetween of a selected size. Also, in the preferred embodiment, the electrodes are connected across the high voltage ignition circuit of a motor, such a motor thereafter consuming the treated fuel, to thereby establish a high intensity electric field within the treater region.

Abstract: Hot water is transmitted from an automobile's cooling system to a fuel vaporizer wherein it is utilized to heat gasoline to a vapor state. Air is drawn into the fuel vaporizer utilizing carburetor vacuum and is added to the vapor and drawn into the carburetor. Vaporized fuel and outside air are mixed in a separate dry vapor section within the vaporizer and the amount of air allowed to enter the fuel vaporizer is controlled utilizing a valve system. In this manner, the fuel-air vapor is more efficiently burned in the engine and improved gas mileage is achieved.

Abstract: A heated fuel line for preventing solidifying of fuel in the fuel line of an engine in extremely low-temperature environments includes an electrical resistance heating element positioned directly inside the fuel line. A thin, tape-like heating element is preferably employed through the length of the fuel line between the tank and the connection to a fuel filter near the engine. Lead wires extend from the downstream end of the heating element through a fitting which carries the leads to the exterior of the fuel line. The heating element is preferably of a type including a pair of spaced conductor wires covered with and separated by a sheath of a radiation cross-linked polymer which has the property of becoming more conductive in lower temperatures and less conductive in higher temperatures. At lower temperatures, where heating of the fuel in the line is most needed, the element therefore produces the greatest amount of heat.

Abstract: Apparatus for receiving crankcase emissions from an internal combustion engine and for separating the liquid and solid portions of the emissions from the gaseous portion thereof. The apparatus includes a container or vessel having an open top which is closed by a cap. The cap has an inlet port for receiving crankcase emissions, an outlet port for permitting the separated gaseous portion of the emissions to be directed through a PVC valve to the intake manifold of the engine, and an air inlet port for allowing ambient air to mix with the crankcase emissions as they are directed toward the interior of the container. The cap carries a porous body which separates the incoming crankcase emissions flowing between the inlet port and outlet port into the liquid, solid and gaseous portions, the liquid and solid portions being trapped in the container while the gaseous portion is permitted to flow toward the outlet port for exit from the container.

Abstract: Apparatus for producing a combustible fuel/air mixture in which the fuel is completely vaporized for operating an internal combustion engine. Exhaust gases from the engine (40) pass through a heating manifold (8) in a vaporization chamber (2) to raise the temperature of a body of volatile liquid fuel in the bottom of the chamber. An air stream is also heated by passing it in heat exchange relation with hot exhaust gases from the engine. The stream of heated air is then drawn through an enclosed vapor space (6) at the top of the vaporization chamber, and fuel vapors are entrained therein. The fuel vapor-containing air stream is then mixed with additional air in a mixing chamber (26) to produce a combustible fuel/air mixture which is conveyed to the intake manifold (38) of the engine. Safety screens (64) are provided to prevent entry of sparks or flame into the fuel chamber.

Abstract: A vacuum responsive injection system for engines which includes a vacuum conduit extending from a carburetor to a crankcase ventilation valve, injection means in said vacuum conduit connected to a metering means through a tube, the metering means is operatively attached to a liquid containing reservoir having an alcohol water mixture, the metering means includes an air bleed which allows the ratio of liquid to air to be finely varied so that upon demand by the engine through the vacuum, the fluid formed from alcohol, water and air mist can be introduced within the engine for increased mileage, less oil consumption, and removal of carbon.

Abstract: A structure of a cylinder assembly of an internal combustion engine has a coolant circulating system for cooling the cylinder assembly while the engine is driving. The cylinder assembly generally comprises a cylinder block formed therein a plurality of engine cylinder in line, and a cylinder head sealingly mounted on the cylinder block. The coolant circulating system comprises a coolant chamber formed within the cylinder block so that it surrounds substantial part of each engine cylinder, a return passage formed in the cylinder head. The coolant chamber communicates with the return passage through a plurality of vertical passages. Adjacent the top of the vertical passage, there is provided with a projecting portion inwardly projecting thereto. A sloped passage is formed within a partition disposed between each of adjacent engine cylinder. The upper end of the sloped passage is opened at the projecting portion at right angle to the planar surface of the projecting portion.

Abstract: A new fuel processor apparatus for diesel engines, particularly diesel engine powered vehicles, with the apparatus having no moving parts and no internal gaskets or connections to leak or deteriorate, and said apparatus being capable of removing water from the diesel fuel while promoting filterability and combustion efficiency of the fuel.