Multiple fuel-type compression ignition engines and methods
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United States of America Patent
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May 5, 2015
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N/A
app pub date -
Mar 30, 2012
filing date -
Mar 30, 2011
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Abstract
A compression ignition engine includes a high pressure injector for injecting a liquid fuel into a first combustion cylinder and a low pressure injector for injecting a gaseous fuel into a second combustion cylinder. A controller is coupled to the high pressure injector and the low pressure injector. The controller selects one of a liquid fuel mode and a gaseous fuel mode. If the liquid fuel mode is selected, air is compressed in a first cylinder, the compressed air is transferred to a second cylinder, and the liquid fuel is injected into the second cylinder. If the gaseous fuel mode is selected, air is compressed in the second cylinder, the compressed air is transferred to the first cylinder, and the gaseous fuel is injected into the first cylinder.
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