Sealing of turbomachinery casing segments

Details Sealing of turbomachinery casing segments Sealing of turbomachinery casing segments

2005-04-26

2005-04-26

Look, Edward K. (Department: 3745)

Rotary kinetic fluid motors or pumps

Bearing, seal, or liner between runner portion and static part

Between blade edge and static part

C415S174200

Reexamination Certificate

active

06884027

ABSTRACT:
A sealing arrangement for sealing around a turbine or compressor blade includes casing segments having sealing faces for abutting with opposing sealing faces of circumferentially adjacent casing segments along joints between the segments. The sealing faces on adjacent segments are forced into contact with each other by rotation of each casing segment about a mounting pin. To reduce radial leakage, a sealing plate is provided.

REFERENCES:
patent: 4127357 (1978-11-01), Patterson
patent: 4330234 (1982-05-01), Colley
patent: 4332523 (1982-06-01), Smith
patent: 4787817 (1988-11-01), LaGrange et al.
patent: 4863345 (1989-09-01), Thompson et al.
patent: 6672831 (2004-01-01), Brandl et al.
patent: 0 808 991 (1997-11-01), None

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