Centrifugal pump

Number of patents in Portfolio can not be more than 2000

United States of America Patent

PATENT NO 11067086
APP PUB NO 20170328366A1
SERIAL NO

15586501

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ATTORNEY / AGENT: (SPONSORED)

Importance

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Abstract

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A centrifugal pump (7), with one or more pumping stages, includes a pressure controlled valve (15) inside the pump (7) for supporting self-priming, the pressure controlled valve (15). The pressure controlled valve (15) includes a pretensioned leaf spring (17) and a valve seat (18). The leaf spring (17) has an opened position and a closed position. In the open position the leaf spring (17) is distanced from the valve seat (18). In the closed position the leaf spring (17) closes the valve seat (18). The leaf spring (17) and valve seat (18) are arranged for soft closing.

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Patent Owner(s)

Patent OwnerAddress
GRUNDFOS HOLDING A/S8850 BJERRINGBRO

International Classification(s)

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Koustrup, Ejgil Viborg, DK 1 1
Sierakowski-Larsen, Janus Lukas Langå, DK 4 6

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