Internal combustion engine

Details Internal combustion engine Internal combustion engine

1983-11-07

1984-11-06

Cuchlinski, William A.

Internal-combustion engines

Miscellaneous

Fuels, lubricants and additives

123 3, 123DIG12, 123525, F02M 2512, F02M 2702

Patent

active

044805950

ABSTRACT:
An improvement to an internal combustion engine having a fuel system for feeding a hydrocarbon fuel-air mixture to the combustion chambers and an auxiliary fuel system which utilizes anhydrous ammonia dissociated into hydrogen and nitrogen gas for use as an auxiliary fuel with the hydrocarbon fuel-air mixture of the engine. The improvements provide for feeding ammonia gas from a relief valve on a storage tank for anhydrous ammonia into the bottom of the windshield wiper container for a vehicle having water therein to absorb the ammonia to prevent the release of the ammonia to the atmosphere. The improvements also provide for a first auxiliary fuel dissociator to dissociate the ammonia utilizing the exhaust heat of the engine and a second auxiliary fuel dissociator to dissociate ammonia until the engine generates sufficient heat for the operation of the first dissociator. A control system allows the engine to be switched from running only on a hydrocarbon fuel-air mixture to running on a lean fuel-air mixture whenever dissociated ammonia is being fed to the fuel system. The system is also providing for capturing undissociated ammonia following the dissociation and recycling the ammonia through the dissociator.

REFERENCES:
patent: 3602202 (1971-08-01), Kobayashi
patent: 4068639 (1978-01-01), Cook
patent: 4085709 (1978-04-01), Tangi
patent: 4308840 (1982-01-01), Hiramatsu et al.

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