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Drum brakes for motor vehicles

A technology of drum brakes and motor vehicles, which is applied in the direction of hydraulic drum brakes, brake types, brake components, etc., and can solve problems such as unpleasant noises and pollution

Active Publication Date: 2017-12-19
CHASSIS BRAKES INT BV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0008] However, experience has shown that the actuation of the drum brakes in order to brake the wheels results in very unpleasant noise pollution

Method used

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  • Drum brakes for motor vehicles
  • Drum brakes for motor vehicles
  • Drum brakes for motor vehicles

Examples

Experimental program
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Embodiment Construction

[0025] The following directions are used in the remainder of the instructions:

[0026] - the longitudinal direction from back to front and indicated by the arrow "L" in the drawings;

[0027] - vertical direction from bottom to top and indicated by arrow "V" in the attached drawings;

[0028] - Transverse direction from left to right and indicated by arrow "T" in the figures.

[0029] These directions are applied in a non-limiting manner in order to simplify understanding of the description. In particular, the vertical direction is a purely geometric representation independent of the direction of gravity.

[0030] Since the longitudinal direction "L" is parallel to the axis "A" of the brake drum, it will also be referred to as the "axial" direction in the description and in the claims. A plane perpendicular to this longitudinal direction will be described as being "radial".

[0031] In the remainder of the specification, elements exhibiting the same structure or similar f...

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PUM

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Abstract

The invention relates to a drum brake (10) for a motor vehicle, comprising a wheel cylinder (24), the fastening surface (32) of which is received against a fixed plate (12), The cylindrical support surface (36) of the wheel cylinder passes through the hole (38) in the plate (12), and the fastening screw (48) of the wheel cylinder is received in the threaded hole (46) of the fastening surface (32), which It is characterized in that a part of the fastening surface (32) other than the threaded hole (46) comprises a recess (50) for defining an area (51) of the fastening surface (32) pressed against the upper surface of the plate (12). ), and a translation guide element (54) is placed between the support surface (36) and the hole (38) in the plate (12).

Description

technical field [0001] The invention relates to a drum brake for a motor vehicle. [0002] The invention relates more particularly to a drum brake for a motor vehicle, said drum brake comprising: [0003] - fixed plate; [0004] - a brake drum mounted rotatably relative to said plate and capable of carrying an associated wheel; [0005] - at least one brake shoe having a curvature corresponding to the radius of the inner friction skirt of the brake drum, said at least one brake shoe being movable between a deactivated position and an activated position mounted on said plate in the manner of said inactive position, said at least one brake shoe is elastically biased towards the axis of said brake drum with a predetermined free play with respect to said friction skirt, in said inactive position said activated position, said at least one brake shoe being radially biased against said friction skirt; [0006] - at least one hydraulic wheel cylinder, said at least one hydraulic w...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): F16D51/24F16D65/00F16D65/22
CPCF16D51/24F16D65/0006F16D65/22
Inventor 克里斯托弗·迪帕史蒂芬·普林蕾蒂西娅·贝肖瑞帕斯卡·科尔比翁
Owner CHASSIS BRAKES INT BV
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