Air filter with scaling bead freely movable in the radial direction

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United States of America Patent

PATENT NO 5730769
SERIAL NO

08454216

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ATTORNEY / AGENT: (SPONSORED)

Importance

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Abstract

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An air filter, in particular for cleaning the combustion air for internal combustion engines, having a cylindrical housing provided with an unfiltered air inlet and with a clean air outlet mounted substantially concentrically on one of the axial end faces of the housing. An extension tube, which extends into the housing, is provided at the clean air outlet; a center tube, which extends into the housing, is secured to the inner wall of the extension tube, and a metal-free filter insert is slid onto the center tube. The filter insert has a radial packing on its end face which faces the extension tube, and the opposite end face of the insert is closed. The radial packing is provided with a sealing bead which is freely movable in the radial direction. A metal-free safety cartridge optionally may be arranged inside the center tube.

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Patent Owner(s)

Patent OwnerAddress
FILTERWERK MANN & HUMMEL GMBHLUDWIGSBURG

International Classification(s)

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Dungs, Guenter Moeglingen, DE 1 147
Fischer, Peter Ulm, DE 171 1635
Moessinger, Klaus Obersulm, DE 16 508
Thaller, Guenter Lienz, AT 2 148

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