Patent · US Active

Filter unit having a conical thread

US8097154B2 · kind B2 · utility

10Cited by

10References

9Claims

0Family size

Assignee

MANN+HUMMEL GmbH · DE

Inventors

Klemens Dworatzek · Trier, DE
Ralf Bauder · Ketsch, DE
Steffen Ackermann · Speyer, DE

Key dates

Filing date	Jul 12, 2007
Grant date	Jan 17, 2012
Priority date	—
Expiry date	Oct 18, 2027

Classification

Technology area (CPC B)Performing Operations; Transporting
CPC primaryB01D2265/029
WIPO fieldChemical engineering
WIPO sectorChemistry

Abstract

To be able to insert a cylindrical filter element (10) which is joined at each end to an end disk (14) quickly into a housing element (40) in a filter unit (100) and connect it firmly, a screw connection having conical threads (16, 46) on the filter element (10) and on the bottom of the housing (41) is provided.

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