Sealing fin fixing apparatus and sealing fin fixing method

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United States of America Patent

PATENT NO 11534875
SERIAL NO

17349542

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ATTORNEY / AGENT: (SPONSORED)

Importance

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Abstract

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A sealing fin fixing apparatus can fix a sealing fin to a rotor in a shortened period of time to minimize variations of the pullout strength of the sealing fin. In the sealing fin fixing apparatus that fixes the sealing fin in a sealing groove defined in the outer circumference of the rotor of a rotary machine and includes a headstock for setting a rotor thereon, a Z-stage movable along a Z-axis, an X-stage movable along an X-axis, a tool rest supported on the X-stage, and a caulking tool mounted on the tool rest and including a shank and a pressing roller, while the pressing roller is being held against a caulking wire inserted, together with the sealing fin, in the sealing groove in the rotor that is set on the headstock, the headstock is actuated to rotate the rotor, thereby caulking the caulking wire to fix the sealing fin to the rotor.

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Patent Owner(s)

  • MITSUBISHI HEAVY INDUSTRIES LTD.

International Classification(s)

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Izumi, Takeshi Yokohama, JP 44 145
Saito, Shoichi Yokohama, JP 36 209
Segawa, Kiyoshi Yokohama, JP 16 138
Tachibana, Shin Yokohama, JP 1 1
Yanase, Yuta Tokyo, JP 2 1
Yoshida, Takashi Yokohama, JP 455 5434

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