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Internally ventilated brake discs

A brake disc and ventilated technology, applied in the direction of brake types, brake components, mechanical equipment, etc., can solve the problems of high cost, complicated production of brake discs, and consumption

Active Publication Date: 2020-04-21
DR ING H C F PORSCHE AG
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The production of such brake discs is complex, time-consuming and therefore cost-intensive due to the different tools used to produce through-holes and blind holes

Method used

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  • Internally ventilated brake discs
  • Internally ventilated brake discs

Examples

Experimental program
Comparison scheme
Effect test

Embodiment Construction

[0009] figure 1 Shown is a simplified perspective view of an internally ventilated brake disc 2 with friction rings 4 , 6 arranged on both sides, a respective brake lining 8 schematically shown (shown here only for friction ring 4 ). out) act on these friction rings. Cooling channels 10 are arranged between the friction rings 4 , 6 and extend towards a cooling channel opening 14 at the circumferential edge 12 .

[0010] In order to extract the brake dust generated during the braking operation, a plurality of through holes 16 are provided which extend in the axial direction through the respective friction ring 4 , 6 . In the present exemplary embodiment, the through-holes 16 form a plurality of arc-shaped hole rows 18 positioned one behind the other in the circumferential direction of the brake disk 2 . Here, the rows of holes 18 advantageously extend on an involute.

[0011] In order not to impair the strength of the brake disc, an inner edge region 20 and an outer edge reg...

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PUM

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Abstract

The invention provides an inner ventilation type braking disc with friction rings (4,6) arranged at two sides. A braking lining (8) is correspondingly connected with the friction rings in a braking process, and furthermore a plurality of cooling channels (10) extend to a plurality of cooling channel openings (14) at the circumference edge (12) of the braking disc between the friction rings in a braking process, wherein the friction rings (4,6) are provided with a plurality of through holes (16) which are guided to the cooling channels (10), and furthermore the outer edge area (22) of the friction rings (4,6) are provided with a plurality of blind holes (24,26). Furthermore the blind holes (24,26) have diameters which are smaller than that of the through holes (16).

Description

technical field [0001] The invention relates to an internally ventilated brake disc with friction rings arranged on both sides, on which a brake lining acts in each case during braking and between which cooling channels Extending towards cooling channel openings at the circumferential edge of the brake disc, wherein through holes leading towards the cooling channels are provided in the friction rings and wherein at least in the region of the outer edge of the friction rings Multiple blind holes. Background technique [0002] Such brake discs are well known from the prior art. Thus, DE 10 2011 116 601 A1 describes an internally ventilated brake disc of the type with built-in cooling channel openings which are connected to through-holes arranged on the friction ring in order to be able to The suction of the brake dust present in the area of ​​the friction rings is achieved due to the negative pressure prevailing in the cooling channels. This ensures that no brake dust can d...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): F16D65/847
CPCF16D65/847F16D65/128F16D2065/1328F16D2065/1332
Inventor A·洛斯
Owner DR ING H C F PORSCHE AG