Internal combustion engine

Details Internal combustion engine Internal combustion engine

1982-07-12

1988-06-14

Feinberg, Craig R.

Internal-combustion engines

Miscellaneous

Fuels, lubricants and additives

123575, 123406, F02B 4308

Patent

active

047504536

ABSTRACT:
An improvement to an internal combustion engine (10, 90) having a fuel system for feeding a fuel-air mixture to the combustion chambers which utilizes ammonia gas as an auxiliary fuel which is partially dissociated and added to the fuel-air mixture of the engine (10, 90). The dissociated ammonia allows the engine to have its fuel-air ratio leaned down well below the misfire limits of hydrocarbon fuel and air to thereby improve the mileage of a vehicle and reduce certain pollutants in the exhaust of the engine. The ammonia is stored in a liquefied state under pressure in a storage container (24, 98) and is fed to a dissociator (28) including a heater (30, 106) using heat from the engine's exhaust and a catalyst chamber (31, 107) and is then fed to the engine (10, 90). The partially dissociated ammonia being fed to the engine is metered simultaneously with the changing of the fuel-air mixture and is controlled to lean the normal fuel-air mixture down.

REFERENCES:
patent: 2140254 (1938-12-01), Zavka
patent: 4013050 (1977-03-01), Lace
patent: 4230072 (1980-10-01), Noguchi et al.

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