Hollow filter element, filter housing and filter
US10837414B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Dec 15, 2015 |
| Grant date | Nov 17, 2020 |
| Priority date | — |
| Expiry date | Sep 6, 2037 |
Classification
- Technology area (CPC F)Mechanical Engineering; Lighting; Heating
- CPC primaryF02M35/09
- WIPO fieldChemical engineering
- WIPO sectorChemistry
Abstract
A hollow filter element, including: a filter medium (64) for filtering the fluid, the filter medium circumferentially surrounding an element interior space (72) in relation to an element axis (32), forming a conical-oval round filter element; wherein the hollow filter element (18) includes: at least at one outer face facing away from the element interior space (72) at an end face (66); at least one support element (78) configured to support the hollow filter element (18) at a housing-sided support section (42) of a filter housing (12); and at least one fluid passage (81) arranged at the end face (66) in the center of the at least one support element (78), the at least one fluid passage connected to the element interior space (72) for connecting a secondary fluid line connector (45) of a housing-sided secondary fluid line (47) and/or for receiving a housing-sided positioning dome (245).
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.