Dual fuel common rail engine with co-axial quill assembly
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United States of America Patent
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Feb 13, 2018
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app pub date -
Aug 27, 2015
filing date -
Jun 11, 2012
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Abstract
A dual fuel common rail engine supplies pressurized natural gas and liquid diesel fuel at different pressures through a co-axial quill assembly for direct injection from a single fuel injector into an engine cylinder. Pressure waves in the gaseous fuel common rail are damped in a pressure damping chamber of the co-axial quill assembly to promote consistent gaseous fuel injection rates and quantities from the fuel injector.
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