Patent · US Active

Air filter connecting unit

US7784836B2 · kind B2 · utility

4Cited by

5References

15Claims

0Family size

Assignee

MANN+HUMMEL GmbH · DE

Inventors

Klemens Dworatzek · Trier, DE
Ralf Bauder · Ketsch, DE

Key dates

Filing date	Mar 16, 2007
Grant date	Aug 31, 2010
Priority date	—
Expiry date	Dec 7, 2028

Classification

Technology area (CPC Y)Emerging Cross-Sectional Technologies
CPC primaryY10S285/921
WIPO fieldChemical engineering
WIPO sectorChemistry

Abstract

An air filter connecting unit having a connecting flange (11) and a connecting nipple (20) that can be coupled to the connecting flange via a snap connection. The connecting flange (11) has a round receptacle (13) provided with an inside thread flight (12) that is subdivided into individual, resilient, curved thread flight segments (12.1, 12.2, . . . , 12.n). The associated connecting nipple (20) has a generally cylindrical construction and an advancing thread (22) which ends in a free-running groove (23) on the connecting nipple.

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