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Fuel injection valve for IC engines has swirl-generating element formed by swirl channels in upstream side of valve seat body
Fuel injection valve for IC engines has swirl-generating element formed by swirl channels in upstream side of valve seat body
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机译:用于IC发动机的燃料喷射阀在阀座主体的上游侧具有由涡流通道形成的涡流产生元件。
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摘要
The injection valve incorporates a swirl generating element, formed by swirl channels (36), which are located in the upstream side (33) of the valve seat body (5) and are open towards that side. The valve needle (3) has a radial expansion (31) upstream of that upstream side. The channels are open grooves, and the groove bases are positioned on a first conical surface (41). The valve seat surface (6) has a second conical surface (42).
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