Filter cleaning method and filter cleaning apparatus
US11219930B2 · kind B2 · utility
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3References
3Claims
0Family size
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Key dates
| Filing date | Dec 12, 2018 |
| Grant date | Jan 11, 2022 |
| Priority date | — |
| Expiry date | Dec 12, 2038 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB08B2203/0288
- WIPO fieldChemical engineering
- WIPO sectorChemistry
Abstract
The present invention provides a new filter cleaning method that has cleaning performance superior to that of ultrasonic cleaning. The method for cleaning a filter of the present invention includes the steps of: generating a shock wave; and bringing the shock wave into contact with a filter to which a filler adhered, wherein in the shock wave contacting step, a pressure applied to the filter by the shock wave is 0.07 MPa or more.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.