FULL TIME LEAN RUNNING AIRCRAFT PISTON ENGINE
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United States of America Patent
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N/A
Issued Date -
Oct 11, 2012
app pub date -
Jun 20, 2012
filing date -
Jan 24, 2008
priority date (Note) -
Abandoned
status (Latency Note)
Importance
Abstract
A full time lean air fuel mixture running spark ignited air cooled aircraft piston engine. In one embodiment, a drop-in substitution is provided for an equivalent make, model, and engine size, wherein the new, rebuilt, or reconfigured engine provides as much or more horsepower when compared to the original engine, but runs at a lean air fuel ratio condition during normal operating modes, including takeoff, climb, and cruise, thus saving significantly on fuel. In yet another embodiment, a drop-in substitution having a somewhat larger cylinder displacement volume may be provided to attain equivalent or enhanced maximum horsepower while operating at lean air fuel ratios.
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