Catalytic combustion engines

Details Catalytic combustion engines Catalytic combustion engines

1982-04-01

1984-01-17

Nelli, Raymond A.

Internal-combustion engines

Precombustion and main combustion chambers in series

Precombustion chamber liner or coating

123275, F02B 1908

Patent

active

044258844

ABSTRACT:
A catalytic combustion engine, each cylinder of which has a pre-combustion chamber communicating through an inclined transfer cylinder to produce swirl around the chamber, and has a pair of spaced parallel or nearly-parallel catalytic screen elements, e.g. gauzes, mounted to both the mouth of the transfer passage and the fuel injector nozzle, so as to be clear of the circumferential swirl path of the gas circulating in the chamber. The minimum spacing between the two catalytic screens should exceed the width of the mouth of the transfer passage. The injector injects a fuel spray between the two catalytic screens which preferably just brushes each screen and impinges on a heater plug. The compression ratio may be much lower than that for a conventional Diesel engine, for example down to 12:1.

REFERENCES:
patent: 455329 (1836-10-01), Jackson
patent: 2113711 (1938-04-01), Ricardo
patent: 2513874 (1950-07-01), Howard
patent: 2821177 (1958-01-01), Holt
patent: 4092967 (1978-06-01), Haslett
patent: 4369746 (1983-01-01), Thring
Vol. 89, No. 11, pp. 89-91, "Automotive Engineering", Article on Catalytic Engines.

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