Patent · US Active

Filter device

US11130081B2 · kind B2 · utility

0Cited by

1References

20Claims

0Family size

Assignee

Mahle International GmbH · DE

Inventor

Michael Braunheim · Göppingen, DE

Key dates

Filing date	Dec 19, 2019
Grant date	Sep 28, 2021
Priority date	—
Expiry date	Dec 19, 2039

Classification

Technology area (CPC B)Performing Operations; Transporting
CPC primaryB01D2201/52
WIPO fieldChemical engineering
WIPO sectorChemistry

Abstract

A filter device may include a filter housing and a ring filter element arranged upright in the filter housing in an installed state. The ring filter element may include an upper end disc, a lower end disc, and at least two projecting pins, each of which in the installed state may engage in an associated draining passage. One of the connecting pins may be arranged offset relative to another of the connecting pins by at least 120° in a circumferential direction of the ring filter element.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.