Pump provided with at least one rotary shaft

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United States of America Patent

PATENT NO 5810553
SERIAL NO

08655057

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ATTORNEY / AGENT: (SPONSORED)

Importance

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Abstract

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In order to reduce the requirements for cleaning and provide a structure which is also easy to disassemble for cleaning without the use of tools, a pump, which has a rotary element such as an impeller shaft, is provided with a seal which is arranged so that an annular seal element, such as an O-ring, is disposed in an annular chamber which is sufficiently elongate to allow for a small amount of reciprocal movement of the seal element therein. The movement of the seal member promotes a self-cleaning action which obviates the build-up of particulate material in the annular chamber.

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Patent Owner(s)

Patent OwnerAddress
INVENSYS APV A/SPASTEURSVEJ 1 8600 SILKEBORG

International Classification(s)

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Pedersen, Bent Arhus C, DK 10 69

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