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US07963298B2 Spherical tube end form for a fluid connection system 失效
用于流体连接系统的球形管端形式

Spherical tube end form for a fluid connection system
摘要:
A fluid distribution pipe includes an elongate tubular body and a spherical end form integral with the tubular body at an inlet end. The spherical fluid connection end of the fuel rail is formed by plastic deformation. A series of tools and motions is used while the tubing of the fuel rail is clamped in place to form the spherical end form at the inlet end of the tubing. The resulting spherical end form provides the necessary geometry and surface finish to provide a successful seal and flexible connection of the fuel rail with a fuel line with significant cost advantages over current prior art methods.
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