Rotary kinetic fluid motors or pumps – Bearing – seal – or liner between runner portion and static part – Between blade edge and static part
Patent
1990-11-05
1992-09-08
Kwon, John T.
Rotary kinetic fluid motors or pumps
Bearing, seal, or liner between runner portion and static part
Between blade edge and static part
4151733, F01D 520
Patent
active
051453169
ABSTRACT:
The shroud segments surrounding a stage of turbine blades are restrained against axial movement in one direction by a plurality of pins which protrude radially inwards from the turbine casing and locate behind dogs which are provided on a flange at preferably the upstream end of each segment. The use of pins in holes instead of internal profiled flanges or bolted flanges reduces weight, simplifies machining and reduces the number of parts required i.e. obviates nuts and bolts.
REFERENCES:
patent: 2858104 (1958-10-01), Kelk et al.
patent: 2863634 (1958-12-01), Chamberlin et al.
patent: 2910269 (1959-10-01), Howorth et al.
patent: 2928586 (1960-03-01), Hart
patent: 3024968 (1962-03-01), Payne et al.
patent: 3841787 (1974-10-01), Scalzo
patent: 3869222 (1975-03-01), Rahnke et al.
patent: 3892497 (1975-07-01), Gunderlock et al.
patent: 4650395 (1987-03-01), Weidner
patent: 4752184 (1988-06-01), Liang
Kwon John T.
Rolls-Royce plc
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