Dual fuel fuel-injector
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United States of America Patent
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Jan 2, 2018
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app pub date -
Jan 19, 2017
filing date -
Jul 19, 2014
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Abstract
A dual fuel fuel-injector including a first nozzle body having a plurality of respective receptacles, a plurality of nozzle needles, each having a stroke that is controllable by a control fluid and at least one associated control chamber. The plurality of nozzle needles include a plurality of first nozzle needles, each being axially displaceable in the first nozzle body of the dual fuel fuel-injector for selective discharge of a first fuel, whereby the plurality of first nozzle needles are arranged in the first nozzle body in the plurality of respective receptacles. The dual fuel fuel-injector also includes a mixed leakage collecting channel communicatively connected to the plurality of respective receptacles, and a mixed leakage discharge channel on the dual fuel fuel-injector and in communication with the mixed leakage collecting channel.
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