Rotary kinetic fluid motors or pumps – Including additional means causing or controlling fluid flow... – Means subjected to or is working fluid
Patent
1981-09-18
1987-04-14
Bentley, Stephen C.
Rotary kinetic fluid motors or pumps
Including additional means causing or controlling fluid flow...
Means subjected to or is working fluid
415116, 60 3907, 60 3983, F01D 2508
Patent
active
046574824
ABSTRACT:
A gas turbine engine in which a rotating component (such as a turbine shaft or disc) is cooled by directing preswirled air at it by flowing the air along a passageway defined by the rotating component and a static wall. To reduce the viscous drag on the swirling air due to the presence of the static wall, the static wall is transpired to cause the boundary layer of air adjacent the wall to move in the same direction as the swirling air. The wall may be transpired by sucking or blowing air through air passages through the wall.
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Bentley Stephen C.
Rolls-Royce plc
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