System and method for backflushing a vacuum filter
US9981214B2 · kind B2 · utility
Assignee
Inventor
Key dates
| Filing date | Dec 16, 2016 |
| Grant date | May 29, 2018 |
| Priority date | — |
| Expiry date | Dec 16, 2036 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB01D2279/55
- WIPO fieldChemical engineering
- WIPO sectorChemistry
Abstract
A vacuum filter backflushing system having an air recapturing adapter coupled to a vacuum motor's air exhaust port which recaptures a portion of exhaust air and introduces the air into a recaptured air passage. The recaptured air passage is coupled to an air flow director which is configured to direct air to an air filter. The air flow director is configured to selectively prevent air from flowing through the filters in a normal air flow direction and allow the air in the recaptured air passage to backflush the filter by dislodging particles from air filter media. The recaptured air passage can terminate after a last air filter, such that the recaptured air passage is pressurized, or the recaptured air passage can recouple back into the air exhaust port or the air recapturing adapter, such that the air is in constant motion in the recaptured air passage.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.