Impeller, pump having the impeller, and method of producing the impeller

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United States of America Patent

PATENT NO 11788543
SERIAL NO

17287351

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Importance

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Abstract

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The impeller (1) includes a main plate (3) formed from a metal plate; and vanes (5) each formed from a metal plate. Each of the vanes (5) has a three-dimensional portion (5A) having a surface inclined with respect to a rotation axis (CA) of the impeller (1) and a two-dimensional portion (5B) having a surface parallel to the rotation axis (CA) of the impeller (1), and the two-dimensional portion (5B) is fixed to the main plate (3) by a first weld (10) formed by projection welding.

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Patent Owner(s)

Patent OwnerAddress
EBARA CORPORATIONTOKYO

International Classification(s)

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Hidekura, Miwa Tokyo, JP 3 1
Yomogida, Ryoken Tokyo, JP 1 0

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