Lean burn internal combustion engine
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United States of America Patent
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Sep 4, 2018
Grant Date -
Apr 20, 2017
app pub date -
Oct 13, 2016
filing date -
Oct 15, 2015
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Abstract
An internal combustion engine having a fuel injector, a piston chamber, a piston slidably disposed in the piston chamber having a piston crown along a top surface, a head assembly having at least one pre-chamber separate from the piston chamber and in fluid communication with the piston chamber via at least one connecting orifice, and an ignition device disposed in the pre-chamber for igniting a fuel air mixture within the pre-chamber, thereby producing an ignition jet being introduced into the piston chamber via the at least one connecting orifice to ignite a fuel/air mixture in the piston chamber. The fuel/air mixture is passively introduced into the at least one pre-chamber during at least a compression stroke of the piston.
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