Debris drain filter system and cartridge
US9527018B2 · kind B2 · utility
Assignee
Inventor
Key dates
| Filing date | Apr 1, 2014 |
| Grant date | Dec 27, 2016 |
| Priority date | — |
| Expiry date | Mar 10, 2035 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB01D45/14
- WIPO fieldChemical engineering
- WIPO sectorChemistry
Abstract
A filter cartridge and filter system are disclosed. The filter cartridge includes a filter element, a filter housing, and precleaner element. The filter housing includes a sidewall surrounding the filter element and having a closed axial end located at one end of the sidewall, the closed axial end having an opening. The precleaner element is located near the axial end of the filter housing. The precleaner element includes an annular member disposed, an inner plate disposed within the annular member and having a vertical opening in fluid communication with the opening in the closed axial end of the filter housing, an upper plate disposed below the annular member, a support portion extending upward from the upper plate, a radial opening defined by the annular member, the upper plate, and the support portion, a fluid flow passage connecting the radial opening to the vertical opening.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.