Device for establishing noise in a motor vehicle
US7188703B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Nov 27, 2004 |
| Grant date | Mar 13, 2007 |
| Priority date | — |
| Expiry date | Jul 27, 2025 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG10K15/04
- WIPO fieldOther consumer goods
- WIPO sectorOther fields
Abstract
In a device for establishing noise in a motor vehicle, including a housing having an inlet space, which is in communication via an inlet line with a gas-carrying part of an internal combustion engine arranged in the motor vehicle, and an outlet space, which is acoustically coupled by means of an outlet line to an interior space of the vehicle or the space surrounding the vehicle, the inlet space is separated from the outlet space at least by an acoustically substantially inactive wall. Arranged inside the housing is a sound transmission device, which has vibratable elements, one arranged in the inlet space and onother arranged in the outlet space and connected to each other by a curved connecting element, which is mounted on the acoustically inactive wall, for the transmission of sounds introduced through the inlet line into the inlet space to the outlet space.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.