TWIN OUTLET CHECK LIQUID FUEL INJECTOR FOR DUAL FUEL SYSTEM
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United States of America
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Jan 23, 2020
app pub date -
Jul 20, 2018
filing date -
Jul 20, 2018
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Abstract
A liquid fuel injector such as for a dual fuel system in an internal combustion engine includes two-way injection control valves for controlling twin outlet checks. A first set of orifices are arranged in an A-F-Z pattern, and a second set of orifices are arranged in an A-F-Z pattern, within the fuel injector, among a high-pressure inlet passage, a low-pressure space, and first and second outlet check control chambers, respectively. A common nozzle supply cavity is fluidly connected to the high-pressure inlet passage and supplies each of two sets of nozzle outlets opened and closed by the twin outlet checks.
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