Cleaner
US11992168B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Jan 9, 2019 |
| Grant date | May 28, 2024 |
| Priority date | — |
| Expiry date | Aug 18, 2041 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG10K2210/105
- WIPO fieldFurniture, games
- WIPO sectorOther fields
Abstract
To achieve the objects described above, the cleaner according to some embodiments of the present disclosure includes a main body forming an airflow path through which air is sucked and exhausted; a dust separation unit disposed in the airflow path and configured to separate dust from air; a fan module disposed in the airflow path and configured to move the air in the airflow path; and a noise control module including a speaker and a detection unit detecting noise or vibration, and configured to cause an output of the speaker to be reduced a level of the noise of at least one frequency range of 1500 Hz or less the noise generated when the fan module is operated, based on the detection signal of the detection unit. wherein the main body includes an exhaust outlet through which air in the airflow path is exhausted and a sound outlet through which the sound of the speaker is exhausted, wherein the exhaust outlet and the sound outlet look the same direction relative to the main body.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.