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IC engine fuel injection nozzle has thin-walled, cylindrical portion of shielding sleeve provided with region which is press fit on free end of nozzle neck
IC engine fuel injection nozzle has thin-walled, cylindrical portion of shielding sleeve provided with region which is press fit on free end of nozzle neck
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机译:内燃机燃料喷嘴具有屏蔽套筒的薄壁圆筒形部分,该部分具有压入喷嘴颈自由端的区域
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摘要
The nozzle (2) is received in a receptacle (3) formed by a portion of the cylinder head wall (6) and a screwed-in insert sleeve (4). The neck (8) of the nozzle is protected by a nozzle shielding sleeve (13) e.g. of copper, having a collar (12) by which it is clamped between bearing surfaces (10,11) of the nozzle and of the insert sleeve respectively, leaving an annular space (21). The thin-walled, cylindrical portion (14) of the sleeve has a region (16) spaced from the neck and a region (17) which is press fit on the free end of the neck.
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