Rabin & Berdo, P.C.
Two-phase fuel injection valve for diesel engine and gas engine including nozzle having pumping function
A dual fuel injection valve includes a primary fuel treatment space and a secondary fuel treatment space formed extending the fuel valve block and the hybrid nozzle block in the longitudinal direction and side by side with each other. The primary fuel treatment space includes a primary cylinder passage, a primary fuel passage and a primary nozzle hole. The secondary fuel treatment space includes a secondary cylinder passage formed separately form the primary cylinder passage, a secondary fuel passage formed separately form the primary fuel passage hole, a secondary nozzle hole. The dual fuel injection valve further includes a first chamber formed in a lower portion of the secondary cylinder passage, a second chamber disposed between the first chamber and the secondary nozzle hole and formed to surround the secondary cylinder passage, and a primary fuel movement hole connecting the primary cylinder passage and the second chamber.
HYUNDAI HEAVY INDUSTRIES, CO., LTD.
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Eun Jong-Suk Ju-Tae Eung-Sung Deuk-Jin Kwang-Cheol
Ha Kim Kim Kim Park Heo