Patent · US Active

Brake disc rings with perforation holes

US8631915B2 · kind B2 · utility

5Cited by

8References

16Claims

0Family size

Assignee

AUDI AG · DE

Inventors

Jens Rosenlocher · Augsburg, DE
Heino Sieber · Ingolstadt, DE
Ralph Renz · Sindelfingen, DE
Moritz Bauer · Augsburg, DE

Key dates

Filing date	Dec 19, 2007
Grant date	Jan 21, 2014
Priority date	—
Expiry date	Oct 17, 2028

Classification

Technology area (CPC F)Mechanical Engineering; Lighting; Heating
CPC primaryF16D2200/0039
WIPO fieldMechanical elements
WIPO sectorMechanical engineering

Abstract

Brake disk rings which have perforation holes perpendicular to the plane of the friction surfaces, characterized in that the perforation holes each have a distance from their nearest neighbors which is always at most 30 mm and on average is at least twice the average hole diameter.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.