Rotary kinetic fluid motors or pumps – With passage in blade – vane – shaft or rotary distributor...
Reexamination Certificate
2006-08-08
2006-08-08
Look, Edward K. (Department: 3745)
Rotary kinetic fluid motors or pumps
With passage in blade, vane, shaft or rotary distributor...
C416S09600A
Reexamination Certificate
active
07086828
ABSTRACT:
A steam turbine (20) having a rotor (21) which is provided with a number of rotor blades (22) and, together with a number of guide vanes (24), is arranged inside a casing shell (30) formed from a number of casing segments is to be designed to be suitable for operation with relatively high steam parameters, i.e. in particular with a particularly high steam temperature and a particularly high steam pressure. For this purpose, according to the invention active cooling of the casing shell (30) is provided, at least one of the casing segments which form the casing shell being provided with a number of integrated cooling channels (29). When the steam turbine (20) is operating, therefore, the casing shell (30) is actively cooled with a cooling medium by the latter being supplied to the cooling channels (29).
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Von H.G. Neft und G. Franconville; Neue Dampfturbinenkonzepte fur hohere Eintrittsparameter und langere Endschaufein; VGB Kraftwerkstechnik 73 (1993), Heft 5; pp. 409-415.
Haje Detlef
Röttger Dietmar
Look Edward K.
Siemens Aktiengesellschaft
White Dwayne J
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