Compressor blade tip seal

Details Compressor blade tip seal Compressor blade tip seal

1987-03-06

1988-04-19

Garrett, Robert E.

Rotary kinetic fluid motors or pumps

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

F01D 1108

Patent

active

047385863

ABSTRACT:
The trench inner wall surrounding the tips of axial flow fan/compressor blades in a turbine type power plant is angularly disposed relative to the gas path wall to allow deeper penetration into the trench and minimize leakage around the tips. Gap closure between the inner wall of the trench and tip is contemplated by the contour of the blade/trench.

REFERENCES:
patent: 2988325 (1961-06-01), Dawson
patent: 3129876 (1964-04-01), Forster
patent: 3677660 (1972-07-01), Taniguchi et al.
patent: 4238170 (1980-12-01), Robideau
patent: 4239452 (1980-12-01), Roberts
patent: 4606699 (1986-08-01), Hemsworth
patent: 4645417 (1987-02-01), Wisler

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