Rotary machine, blade wheel used in rotary machine, and blade wheel manufacturing method

Number of patents in Portfolio can not be more than 2000

United States of America Patent

PATENT NO 9879685
SERIAL NO

14173234

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Importance

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Abstract

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A compressor of the present invention includes an impeller that is rotatably provided inside an accommodation portion of a compressor casing, the impeller includes a blade that extends toward an inner peripheral surface of the accommodation portion, and an outer edge of the blade facing the inner peripheral surface of the accommodation portion is provided with a shroud portion that is formed from a resin layer. With such a configuration, the wear damage of the casing and the blade of the blade wheel may be prevented, and the effort and the time in the manufacturing process may be reduced.

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Patent Owner(s)

  • KABUSHIKI KAISHA KOBE SEIKO SHO (KOBE STEEL, LTD.);KOBE STEEL, LTD.

International Classification(s)

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Fujioka, Koumei Takasago, JP 3 10

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