Brake drum comprising an annular body spaced away from the friction ring

A technology of ring components and brake drums, which is applied in the direction of brake types, brake parts, brake drums, etc., can solve the problems of more expensive and complicated implementation of brake drums, and achieve the effect of small deformation

Inactive Publication Date: 2017-04-19
PEZHO SITROEN AUTOMOBILS SA
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0010] However, these types of drums comprising two different metals are relatively complex and more expensive to implement

Method used

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  • Brake drum comprising an annular body spaced away from the friction ring
  • Brake drum comprising an annular body spaced away from the friction ring
  • Brake drum comprising an annular body spaced away from the friction ring

Examples

Experimental program
Comparison scheme
Effect test

Embodiment Construction

[0027] figure 1 and figure 2 A brake drum is shown comprising a circular ring 2 having a cylindrical inner friction surface 4 receiving brake member pressure, said inner friction surface being centered on a main axis A as a center.

[0028] As indicated by the arrows "AV", the front side of the ring 2 is connected by means of a bend to a radial flange 6 comprising a central transverse planar part with four perforations 8, The four perforations receive the fixing screws that secure the wheel to the hub; and the supplementary perforations 12 that receive the tightening screws that tighten the brake drum on the hub.

[0029] A central hole 10 in the center of the radial flange 6 implements the centering of the brake drum on the hub.

[0030] An annular member 14 arranged on the outside of the ring 2 is coupled to it by a continuous radial wall 16 of reduced thickness relative to this annular member, said radial wall lying in a transverse plane, said A transverse plane is adj...

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PUM

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Abstract

The invention relates to an integral iron-cast brake drum and comprising: - a circular ring (2) having an inner cylindrical friction surface; and - a radial flange (6) axially placed on the front side and provided in order to attach said drum onto a hub. Said brake drum is characterized in that it also comprises: - a continuous annular body (14) that is placed around the ring (2), radially spaced therefrom, and connected to the ring by a substantially transverse wall (16); and - a series of ribs (18) placed within axial planes and connecting the ring to said wall.

Description

technical field [0001] The invention relates to a brake drum, in particular for braking a motor vehicle, and to a motor vehicle equipped with such a brake drum. Background technique [0002] Motor vehicles typically include a braking system that includes a brake pedal that acts on a master cylinder to transmit fluid pressure through a hydraulic circuit towards the brakes that act on each of the vehicle's on wheels. [0003] A type of brake is known comprising a brake drum fixed to a hub rotating with the wheel, this type of brake has a circular ring comprising a cylindrical inner surface, the The inner surface receives the pressure of two brake members, which are opened under the action of the internal control hydraulic cylinder. [0004] For motor vehicles, brake drums are usually integrally molded from cast iron, the components of the drum have some ability to absorb heat energy under significant braking, and the outer surface of the drum has a The weak exchange capacit...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): F16D65/10F16D65/78
CPCF16D65/10F16D2065/1332F16D2250/0007
Inventor V·皮瑟
Owner PEZHO SITROEN AUTOMOBILS SA
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