Method of manufacturing a pressure damper for a fluid conduit

Details Method of manufacturing a pressure damper for a fluid conduit Method of manufacturing a pressure damper for a fluid conduit

2006-12-12

2006-12-12

Cozart, Jermie E. (Department: 3726)

Metal working

Method of mechanical manufacture

Magnetically shaping

C029S421100, C072S056000, C072S061000, C123S456000

Reexamination Certificate

active

07146700

ABSTRACT:
A pressure damper for use with a fluid conduit, such a fuel rail in a vehicular fuel delivery system, is manufactured by deforming a workpiece, such as by stamping, hydroforming, or magnetic pulse forming, to have an enlarged portion of predetermined size and reduced wall thickness. The predetermined size and reduced wall thickness of the enlarged portion correspond to a magnitude of fluid pressure at which the enlarged portion will flex or otherwise behave elastically, allowing the enlarged portion to function as a pressure damper. The workpiece can be secured to a fuel rail, such as by brazing, quick-connects, O-ring joints, welding, gluing, or magnetic pulse forming or welding techniques. Alternatively, the workpiece is embodied as the fuel rail itself, and the pressure damper is formed integrally with the fuel rail, thereby eliminating the need to secure a separate damper to a fuel rail.

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