Method for converting a diesel engine to a natural gas fueled engine
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United States of America Patent
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-
May 31, 1994
Issued Date -
N/A
app pub date -
Aug 18, 1992
filing date -
Aug 18, 1992
priority date (Note) -
Expired
status (Latency Note)
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Abstract
A method for converting a diesel engine to a natural gas fueled engine, the method comprising the steps of providing new cam profiles on a cam shaft portion of the diesel engine, the new cam profiles being operative to close intake valves of cylinder heads of the engine during intake strokes, operative to close exhaust valves of the cylinder heads, and operative no earlier than the exhaust valves closures to open associated intake valves, modifying portions of the cylinder heads to adapt the cylinder heads to accept spark plugs, fixing spark plugs in the cylinder heads, providing means for conveying natural gas fuel to the intake valves, providing a blower for supplying air under pressure to the intake valves, and providing an after-cooler for cooling the air supplied by the blower prior to the air reaching the intake valves.
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