Internal combustion engine

Details Internal combustion engine Internal combustion engine

1978-05-30

1981-12-22

Argenbright, Tony M.

Internal-combustion engines

Precombustion and main combustion chambers in series

Two-cycle

123 65BA, 123259, F02B 1900

Patent

active

043065260

ABSTRACT:
A method of combusting natural gas fuel in a two cycle, turbocharged internal combustion engine substantially reduces the production of nitrogen-oxygen emissions. An improved turbocharger design provides increased air charging pressure, produces a controlled lean air/fuel mixture and lowers peak combustion temperatures. A jet cell ignition device ensures uniform, reliable ignition of the lean air/fuel mixture under all operating conditions and the lean air/fuel mixture in turn encourages complete fuel combustion and provides excellent combustion characteristics with methane, ethane and heavier paraffinic hydrocarbon fuels. These structural modifications and adjustment of other operating parameters combine to reduce nitric oxide (NO) and nitrogen dioxide (NO.sub.2) emissions by as much as 75% while effecting only a negligible increase in fuel consumption.

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Diesel and High-Compression Gas Engines-Fundamentals, by Edgar J. Kates, copyright 1965 by American Technical Society, pp. 361-367.

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