Rotary kinetic fluid motors or pumps – Bearing – seal – or liner between runner portion and static part – Between axial flow runner and vane or vane diaphragm structure
Reexamination Certificate
2007-09-04
2007-09-04
Look, Edward K. (Department: 3745)
Rotary kinetic fluid motors or pumps
Bearing, seal, or liner between runner portion and static part
Between axial flow runner and vane or vane diaphragm structure
C415S174500
Reexamination Certificate
active
11252757
ABSTRACT:
A combustion chamber inner casing (24) has a flange (28) on its downstream end. A retaining seal ring (40) is bolted to the flange (28) and traps a flanged seal ring (46) against the flange (28) in a manner that allows the seal ring (46) to move by expansion, relative to seal ring (40).
REFERENCES:
patent: 4184689 (1980-01-01), Brodell et al.
patent: 4309145 (1982-01-01), Viola
patent: 5211536 (1993-05-01), Ackerman et al.
patent: 5522698 (1996-06-01), Butler et al.
patent: 2003/0226362 (2003-12-01), Niday et al.
patent: 43 24 035 (1995-01-01), None
Look Edward K.
Oliff & Berridg,e PLC
Rolls-Royce PLC
Wiehe Nathan
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