Patent · US Active

Fabric top for a convertible vehicle and convertible vehicle

US12036852B2 · kind B2 · utility

0Cited by

2References

17Claims

0Family size

Assignee

Bayerische Motoren Werke Aktiengesellschaft · DE

Inventors

Ralf Mehling · Munich, DE
Daniel Seiboth · Odelzhausen, DE
Erik Seiferling · Munich, DE

Key dates

Filing date	Feb 8, 2019
Grant date	Jul 16, 2024
Priority date	—
Expiry date	Aug 31, 2041

Classification

Technology area (CPC C)Chemistry; Metallurgy
CPC primaryC12N2760/16251
WIPO fieldMeasurement
WIPO sectorInstruments

Abstract

A fabric top for a convertible vehicle includes, in sequence: an outer cover layer, an insulating layer, an absorber layer and an inner cover layer. The absorber layer at 500 hz has an absorption coefficient of 10 to 65%, at 1000 hz has an absorption coefficient of 15 to 110%, at 2000 hz has an absorption coefficient of 33 to 115%, at 4000 hz has an absorption coefficient of 60 to 110% at 8000 hz has an absorption coefficient of 85 to 120%.

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