Split vane flow blocker

Details Split vane flow blocker Split vane flow blocker

2006-09-05

2006-09-05

Edgar, Richard A. (Department: 3745)

Rotary kinetic fluid motors or pumps

Including casing part selectively movable relative to fixed...

Circularly around fixed runner axis

C415S159000, C415S209100

Reexamination Certificate

active

07101146

ABSTRACT:
A gas path flow blocker comprising a plurality of vanes each comprising a forward portion and an aft portion defining a plurality of gas paths, a forward ring comprising a central axis about which is circumferentially disposed the plurality of forward portions, and an aft ring disposed about the central axis about which is circumferentially disposed the plurality of aft portions wherein the forward ring and the aft ring are moveable with respect to each other to at least partially block the flow of a gas through the gas paths.

REFERENCES:
patent: 867611 (1907-10-01), Schulz
patent: 4534166 (1985-08-01), Kelm et al.
patent: 5372485 (1994-12-01), Sumser et al.
patent: 5996333 (1999-12-01), Forestier et al.
patent: 6226977 (2001-05-01), Ichiryu et al.

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