Air conditioning unit
US9396718B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Jul 23, 2013 |
| Grant date | Jul 19, 2016 |
| Priority date | — |
| Expiry date | Aug 4, 2034 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG10K2210/509
- WIPO fieldOther consumer goods
- WIPO sectorOther fields
Abstract
The invention relates to an air conditioning unit having an air duct, having a fan for conveying an airflow through the air duct, having a heat exchanger for the thermal conditioning of the airflow and having an apparatus for noise reduction, which apparatus has a microphone, a loudspeaker and an evaluation and control unit, the microphone being arranged in a housing indentation of the duct wall of the air duct, the housing indentation having a wall and the loudspeaker being arranged at least partially in an opening of the duct wall of the air duct in a manner which is spaced apart from the microphone in the direction of the noise emission, wherein the wall of the housing indentation is curved at least partially, the housing indentation of the microphone being covered with a porous acoustically transparent material.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.