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Flare-type brake line assembly and method of making the same

A brake pipe and horn-type technology is applied in the field of horn-type high-pressure hydraulic pipe joints and their manufacturing, and can solve the problems of reducing the loosening torque of pipe nuts and the like

Inactive Publication Date: 2017-08-08
FORD GLOBAL TECH LLC
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Additionally, the brake tube can store torsional energy, which can result in reduced loosening torque of the tube nut

Method used

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  • Flare-type brake line assembly and method of making the same

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Embodiment Construction

[0021] Reference now figure 1 A flared brake line assembly 10 is shown. The assembly 10 includes a brake tube 12 , a brake member 14 and a tube nut 16 . More specifically, the brake pipe 12 includes a flared mouth 18 having a first sealing surface 20 . Brake pipe 12 may be made of any metal material known in the art to be suitable for this purpose. The brake component 14 includes a port 22 having a second sealing surface 24 . Brake member 14 may also be made of any known metallic material suitable for this purpose. The tube nut 16 includes an axial opening 26 and a threaded outer wall 28 . It should be understood that the tube nut 16 secures the brake tube 12 to the brake member 14 .

[0022] More specifically, the tube nut 16 is positioned on the brake tube 12 such that the brake tube extends through the axial opening 26 . The brake tube 12 is then aligned with the brake member 14 such that the first sealing surface 20 on the brake tube meets the second sealing surface ...

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PUM

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Abstract

A flare-type brake line assembly includes (a) a brake tube having a flare with a first sealing surface, (b) a brake component having a port with a second sealing surface and (c) a tube nut to secure the brake tube and brake component together. At least one of the two sealing surfaces is treated to increase the coefficient of friction between those surfaces. A related method is also disclosed.

Description

technical field [0001] The present invention relates generally to the field of motor vehicle equipment, and more particularly, to a flared high pressure hydraulic fitting commonly used in brake lines and a method of making the same. The following discussion uses a hydraulic brake fitting as an example, but the proposed design improvements apply to any fitting that uses a hollow male nut to secure a flared tube to another component. Background technique [0002] High pressure hydraulic brake pipes are typically connected to the brake components by using a pipe nut that has a hole along its axis of rotation and has threads on its exterior. More specifically, the tube nut is provided around the brake tube such that the tube nut is threaded into a port on the brake member and pressed against the rear of the flare formed on the end of the brake tube. Thus, the tube nut compresses the first sealing surface on the flare of the brake tube into contact with the second sealing surfac...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): F16L19/02B60T17/04
CPCB60T17/043F16L19/0225F16L19/0283F16L19/0243F16L19/028F16L19/0286
Inventor 珍妮特·林恩·卡拉汉马丁·C·克里斯多夫·卡帕诺夫斯基
Owner FORD GLOBAL TECH LLC