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Electromagnetic mechanical pulse forming of fluid joints for high-pressure applications

Inactive Publication Date: 2006-06-22
THE BOEING CO
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Benefits of technology

[0009] The embodiments of the present invention provide several advantages. One such advantage is the provision of electromagnet mechanically joining process for forming a liquid tight joint between a ferrule and a tube. This process is quick and economical.
[0011] Furthermore, the present invention provides joint forming techniques with improved repeatability, with quick assembly times, that do not require lubrication to form, and that have low associated scrap rates. The scrap rates, as a result of the joint forming techniques, is approximately zero.

Problems solved by technology

A weld formed joint may need to be repaired as many as three times, at significant costs.

Method used

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  • Electromagnetic mechanical pulse forming of fluid joints for high-pressure applications
  • Electromagnetic mechanical pulse forming of fluid joints for high-pressure applications
  • Electromagnetic mechanical pulse forming of fluid joints for high-pressure applications

Examples

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Embodiment Construction

[0022] In each of the following Figures, the same reference numerals are used to refer to the same components. While the present invention is described with respect to a system for electromagnetically forming a fluid joint and to the joints formed therefrom, the present invention may be adapted for various applications, such as air, gas, liquid, and fluid applications. The present invention may be applied to high-pressure fluid applications of equal or greater than approximately 5000 psi. The present invention may be applied to fluid applications in the aerospace, automotive, railway, and nautical or watercraft industries.

[0023] The present invention allows for the electromagnetic formation of fluid tight joints between fittings and tubular conduits having various diameters. The present invention may be applied to applications where the fittings and the tubular conduits have outer diameters of greater than approximately two inches, as well as to applications where the outer diamete...

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Abstract

An electromagnetically formed fluid circuit joint (150) includes a tubular conduit (58) that has an outer surface (154) with a groove (72). A hollow fitting (56) is mechanically separate from and received over the tubular conduit (58). The hollow fitting (56) includes an electromagnetic field formed wall deformation (165) that extends into the groove (72).

Description

RELATED APPLICATION [0001] The present invention is related to U.S. patent application (Attorney Docket Numbers 04-1054 / 04-1055 / 90-79) entitled “Electromagnetic Mechanical Pulse Forming of Fluid Joints for Low-Pressure Applications”, U.S. patent application (Attorney Docket Numbers 03-0722) entitled “Magnetic Field Concentrator for Electromagnetic Forming and Magnetic Pulse Welding of Fluid Joints”, and U.S. patent application (Attorney Docket Number 03-1335) entitled “Electromagnetic Pulse Welding of Fluid Joints”, which are incorporated by reference herein.TECHNICAL FIELD [0002] The present invention generally relates to the solid state coupling of metallic tubes and fittings. More specifically, the present invention is related to the mechanical magnetic coupling of the tubes to the fittings. BACKGROUND ART [0003] Metallic tubes are commonly used to carry fluid in the form of gas or fluid throughout various fluid circuits in many industries. This is especially true in the aerospac...

Claims

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Application Information

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IPC IPC(8): F16L33/00
CPCB21D26/14B21D39/04F16L13/141F16L25/00F16L33/20Y10T29/49966Y10T403/4966Y10T29/49803Y10T29/4997Y10T29/49927Y10T29/49913Y10T29/49925
Inventor SAHA, PRADIP K.BICE, MARK E.NORRIS, DON E.BRADY, VAUGHN L.
Owner THE BOEING CO