Filter device
US11179658B2 · kind B2 · utility
Assignee
Inventor
Key dates
| Filing date | May 15, 2017 |
| Grant date | Nov 23, 2021 |
| Priority date | — |
| Expiry date | May 28, 2037 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB01D2201/4007
- WIPO fieldChemical engineering
- WIPO sectorChemistry
Abstract
A filter device comprises a filter housing having a filter housing cup and a filter housing cover. An insert insertable into the filter housing comprises an eccentrically arranged and axially projecting first positioning element configured to engage a positioning contour on a side of the filter housing cup. A guide ramp is provided on the filter housing cup and interacts with a guide device arranged on the insert. The guide ramp is formed of at least one ring segment and extends continuously over at most 270°, and the guide device has a second positioning element. At least one web is arranged on the insert and forms the second positioning element, and the at least one web comprises at least two webs with different axial longitudinal extents arranged one of on the lower end plate of the insert and directly on the insert.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.