Seal

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United States of America Patent

PATENT NO 11927269
APP PUB NO 20230066687A1
SERIAL NO

17899844

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ATTORNEY / AGENT: (SPONSORED)

Importance

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Abstract

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A seal for a butterfly valve includes an end cap with an outer tubular side wall surrounding an inner tubular side wall, both extending in the same direction providing a gap therebetween. At least the inner side wall is made from a resiliently deformable material. The end cap abuts a conduit entrance, and the inner and outer side walls extend therein, the outer side wall abutting an inner surface of the entrance of the conduit. A rotatable pivotal disk mounted inside the inner side wall within the entrance is rotatable between a position where the periphery of the disk engages the inner side wall to seal the entrance and a position where the disk is angled relative to the entrance, opening the entrance so a fluid may pass through the conduit. A butterfly valve assembly and a vacuum cleaner including the seal or the assembly are also disclosed.

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First Claim

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Patent Owner(s)

Patent OwnerAddress
BLACK & DECKER INC1000 STANLEY DRIVE NEW BRITAIN CT 06053

International Classification(s)

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Duenser, Clemens Idstein, DE 4 0
Turisin, Marek Idstein, DE 4 0

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