System and process for pump assist to maximize fuel consumption in a natural gas powertrain
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United States of America Patent
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Mar 16, 2021
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N/A
app pub date -
Dec 11, 2019
filing date -
Dec 11, 2019
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Abstract
A system for pump assist to maximize fuel consumption in a natural gas powertrain includes a fuel delivery system including a natural gas storage tank supplying a first natural gas flow, a pressure sensor disposed to provide data regarding a natural gas pressure within the storage tank, and a natural gas pump operable to selectively boost the first natural gas flow to create a second natural gas flow with increased pressure. The system further includes an engine operable to utilize one of the natural gas flows to provide an output torque and including a fuel injector and a computerized fuel system controller programmed to monitor the data regarding the natural gas pressure within the storage tank, compare the data regarding the natural gas pressure within the storage tank to a threshold cut-off pressure for the fuel injector, and command activation of the natural gas pump based upon the comparing.
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