Internal-combustion engines – Water and hydrocarbon
Patent
1988-03-10
1990-04-03
Cross, E. Rollins
Internal-combustion engines
Water and hydrocarbon
1235591, F02D 1900
Patent
active
049130986
ABSTRACT:
A system for supercharging an internal combustion engine. In the present invention, waste heat from an internal combustion engine heats surrounding coolant water to make steam. Steam then passes through a steam compressor, which feeds a high-velocity stream of steam to the intake manifold of the combustion chamber of the engine. This stream draws air and fuel vapor to it, and the resulting supercharged mixture is injected into the combustion chamber of the engine. The high-pressure super-charged mixture exerts pressure on the piston during the intake stroke, increases the pressure inside the combustion chamber, absorbs more heat during combustion, and gathers the engine's waste heat into a high-energy exhaust stream. As a result, the fuel burns more efficiently, less heat is lost from the combustion chamber, engine knocking decreases, thermal stress is reduced, fewer nitrogen oxide pollutants are produced, and the exhaust stream may be used for by-product power generation. In sum, the engine's power output is increased without a corresponding increase in fuel input.
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