Abstract: A water-alcohol injection apparatus for an internal combustion engine having a crankcase and a carburetor mounted on the air fuel manifold of the engine, the apparatus including a reservoir for a water-alcohol mixture, a main reservoir conduit connected to the reservoir, a first conduit connecting the main conduit to manifold to provide a continuous flow of the fluid mixture to the manifold, a second conduit connecting the main conduit to the carburetor to provide fluid mixture flow in response to demand and a third conduit connecting the crankcase to the first conduit, the third conduit including a pressure compensating valve to control the flow of crankcase emissions to the carburetor.

Abstract: The present disclosure shows a system for providing a continuous supply of at least partly distilled water to an internal combustion engine for inclusion in the air-fuel mixture passing through the carburetor, in order to increase the efficiency of the engine to decrease fuel consumption, to reduce emissions and to prevent knocking. The water may be mixed and emulsified with the liquid fuel before these components enter the carburetor, or the fuel may be introduced to the carburetor separately, or the water and the fuel may be introduced together without a preliminary mixing. The partially distilled water, that is free of solid ingredients, is produced continuously during engine operation by diverting a portion of the exhaust gas from the engine to an air cooled condenser to condense water therefrom and a controlled amount of water is passed to the engine. Means are provided for variably proportioning the quantity of water delivered to the quantity of liquid fuel passing to the carburetor.

Abstract: The present invention relates to a water vapor injection system for introducing artificially high humidity air into the carburetor of an internal combustion engine. Once delivered to the carburetor, the high humidity or moisture-laden air mixes with the air-fuel mixture normally passing from the carburetor into the combustion chambers to increase the combustion efficiency of the internal combustion engine.A forced air system is generated by an air injection pump, and this forced air is heated to alter its vaporization characteristics prior to being circulated through a water filled container. As the heated air is exposed to the water within the container, the air increases in moisture content as the heat associated with the air tends to vaporize water about the interface between respective bubbles and the surrounding water.

Abstract: A fluid injection system and method for an internal combustion engine such as a spark-ignition or compression-ignition engine in which an injection nozzle injects a finely divided spray of fluid, such as water or a water solution, into the engine in response to a flow of atomizing air. The nozzle is connected to a fluid supply reservoir and to the outlet line of an air-injection pump that supplies pressurized air to the exhaust system of the engine. The air-injection pump provides the supply of atomizing air to the nozzle with the pressure of the air and therefore the fluid injection being responsive to both the engine speed and the exhaust gas pressure. The injected fluid advantageously functions as a cooling agent to suppress detonation and provide smoother engine operation and greater fuel efficiency.

Abstract: The present invention relates to a water vapor injection system for introducing artifically high humidity air into the carburetor of an internal combustion engine. Once delivered to the carburetor, the high humidity or moisture-laden air mixes with the air-fuel mixture normally passing from the carburetor into the combustion chambers to increase the combustion efficiency of the internal combustion engine.A forced air system is generated by an air injection pump, and this forced air is heated to alter its vaporization characteristics prior to being circulated through a water filled container. As the heated air is exposed to the water within the container, the air increases in moisture content as the heat associated with the air tends to vaporize water about the interface between respective bubbles and the surrounding water.