Patent · US Active

Filter device, especially an air filter

US9492773B2 · kind B2 · utility

0Cited by

4References

10Claims

0Family size

Assignee

MANN+HUMMEL GmbH · DE

Inventors

Karlheinz Muenkel · Bretten, DE
Joerg Menssen · Tamm, DE

Key dates

Filing date	Feb 25, 2014
Grant date	Nov 15, 2016
Priority date	—
Expiry date	Feb 25, 2034

Classification

Technology area (CPC F)Mechanical Engineering; Lighting; Heating
CPC primaryF02M35/0245
WIPO fieldChemical engineering
WIPO sectorChemistry

Abstract

A filter device comprises a filter element that is comprised of at least two radially nested filter bellows, wherein at least one filter bellows is to be flown through in the radial direction and a flow space for the fluid is formed between the filter bellows. Each filter bellows is embodied as a star-shaped filter with filter folds arranged in a star shape. On at least one end face of the filter element a sealing ring is arranged between a filter bellows and the filter housing.

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