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US 12,036,852 B2Granted
Fabric top for a convertible vehicle and convertible vehicle
AssigneeBayerische Motoren Werke Aktiengesellschaft
InventorsRalf Mehling, Daniel Seiboth, Erik Seiferling
Life of this patent
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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%.
Claims17
A fabric top for a convertible vehicle, comprising in sequence:
- an external convertible top tier;
- an insulating layer;
- an absorbent layer;
- and
- an internal convertible top tier;
- wherein the absorbent layer at 500 Hz has a coefficient of absorption of 25 to 65%, at 1000 Hz has a coefficient of absorption of 15 to 110%, at 2000 Hz has a coefficient of absorption of 33 to 115%, at 4000 Hz has a coefficient of absorption of 60 to 110%, and at 8000 Hz has a coefficient of absorption of 85 to 120%.
3 more elements
Dependencies are inferred from the claim text.