Unbalance detection device, and unbalance detection method
US11187608B2 · kind B2 · utility
0Cited by
9References
12Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | May 26, 2016 |
| Grant date | Nov 30, 2021 |
| Priority date | — |
| Expiry date | Oct 27, 2036 |
Classification
- Technology area (CPC F)Mechanical Engineering; Lighting; Heating
- CPC primaryF05D2270/81
- WIPO fieldMeasurement
- WIPO sectorInstruments
Abstract
An unbalance detection device for detecting unbalance of a rotor of a turbo-cartridge which includes the rotor including a turbine wheel and a compressor wheel coupled via a rotational shaft and a bearing housing accommodating a bearing which supports the rotor rotatably, includes: a sound pressure sensor capable of detecting vibration upon rotation of the rotor by contactlessly measuring a sound pressure generated from vibration upon rotation of the rotor.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.