Operation of an internal combustion engine with a pre-engine con

Details Operation of an internal combustion engine with a pre-engine con Operation of an internal combustion engine with a pre-engine con

1987-12-15

1989-09-05

Cross, E. Rollins

Internal-combustion engines

Combined devices

Generating plants

502253, F02B 4308

Patent

active

048628360

ABSTRACT:
A method is provided of operating an internal combustion engine comprising subjecting a hydrocarbon fuel of relatively low octane number to conversion at elevated temperatures by passing it through a reaction zone containing a fuel system of unidirectional, e.g., substantially parallel, channels with rigid walls, e.g., a monolith or series of monoliths, at least the internal surfaces of which contain an aluminosilicate zeolite catalyst having a Constraint Index in the approximate range of about 1 to 12 and a silica/alumina ratio in a range of about 20 to 5000, e.g., ZSM-5 preferably containing gallium or zinc, such that the fuel leaving said channels has an increased octane number, and passing the fuel to the combustion chamber of said engine.

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patent: 4350835 (1982-09-01), Chester et al.
patent: 4392989 (1983-07-01), Chu et al.
J. P. DeLuca and L. E. Campbell, "Monolithic Catalyst Supports" in Advanced Materials in Catalysis, J. J. Burton and R. L. Garten, eds., Academic Press, New York (1977), pp. 293 to 324.
J. Wei, "Catalysis for Motor Vehicle Emissions", Adv. Catalysis, vol. 24 (1975), pp. 77.varies.86.

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