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Wear optimized pad design

A technology of brake pads and friction materials, applied in mechanical equipment, brake components, brake parts, etc., can solve problems such as inconsistency of brake pads

Active Publication Date: 2021-09-03
BENDIKS SPAJSER FAUNDEJSHN BREJK LLK
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

As a result, the energy transfer to the brake pads, and the resulting localized wear of the brake pads, is inconsistent across the surface of the brake pad friction material

Method used

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  • Wear optimized pad design
  • Wear optimized pad design
  • Wear optimized pad design

Examples

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Embodiment Construction

[0022] figure 2 is an oblique view of an embodiment of the present invention, wherein the brake pad 10 includes a back plate 11 to which the friction material 19 of the brake pad is affixed. Such as image 3 As shown, the lateral sides 12 , 13 of the brake pad 10 are generally aligned along a radius extending from the axis of rotation of the brake disc 2 (not shown). The radially inner side 14 and the radially outer side 15 of the brake pad 10 are slightly curved, substantially following the curvature of the brake disc.

[0023] The brake pad backing plate in this embodiment includes lateral protrusions 16 formed to engage corresponding brake pad retention features in the carrier seat 4 in the manner disclosed in co-pending application Serial No. 14 / 640,152 so that even in the absence of Without any additional brake pad retention means, once engaged in the receiving feature of the carrier seat, the brake pad is securely retained within the disc brake. The backing plate 20 i...

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Abstract

A brake pad for a disc brake having reduced wear characteristics is provided. The brake pad is configured to have a distribution of brake pad friction material weighted towards a radially outer region of the brake pad, while the lateral sides of the brake material are aligned radially from the axis of rotation of the brake disc of the disc brake. The lines are roughly aligned. Brake pad friction material distribution results in a reduction in brake applied pressure between the pad and disc while achieving the same braking force as that provided by a comparable generally rectangular brake pad, resulting in the same braking force level Brake pad wear is lower.

Description

technical field [0001] This application claims priority to U.S. Application No. 15 / 427,726, filed February 8, 2017, which is a continuation-in-part of U.S. Application No. 14 / 844,813, now U.S. Patent No. 9,605,721, the disclosure of which is incorporated into the text as a whole. [0002] The present invention relates to disc brakes for vehicles and, in particular, to brake pads in disc brakes, such as pneumatic disc brakes employed on commercial vehicles. Commercial vehicles in this context include vehicles with disc brakes that are substantially larger than typical automotive (i.e., passenger car) brakes, such as buses, class 5 and above trucks, and on- and off-road utility vehicles ( such as construction equipment, rail vehicles and aircraft). Background technique [0003] An example of a commercial vehicle pneumatic disc brake is shown in Figure 1. In the embodiment of FIG. 1 , a disc brake 1 comprises a brake disc 2 which rotates in direction A about its axis of rota...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): F16D55/225F16D65/00F16D65/092F16D65/095F16D69/04
CPCF16D55/225F16D65/00F16D65/092F16D65/095F16D65/0978F16D66/02F16D69/04F16D2065/026F16D65/04
Inventor 马努切尔·萨贝蒂
Owner BENDIKS SPAJSER FAUNDEJSHN BREJK LLK
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