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Fuel injector including outer valve needle and inner valve needle slidable within a passage provided in the outer valve needle
Fuel injector including outer valve needle and inner valve needle slidable within a passage provided in the outer valve needle
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机译:包括外部阀针和内部阀针的燃料喷射器,该外部阀针和内部阀针可在设置在外部阀针中的通道内滑动
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摘要
A fuel injector comprises a first needle, and a second needle slidably within a passage formed in the first needle. The needles are engageable with respective seatings to control fuel delivery through respective groups of outlet openings. Load transmitting means are provided whereby movement of the first needle can be transmitted to the second needle. Also described is an injector in which a second needle is provided with formations defining an integral resilient biasing arrangement.
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