Rotary kinetic fluid motors or pumps – Selectively adjustable vane or working fluid control means – Upstream of runner
Patent
1999-08-06
2000-08-08
Ryznic, John E.
Rotary kinetic fluid motors or pumps
Selectively adjustable vane or working fluid control means
Upstream of runner
4152141, F01B 2502, F03B 104
Patent
active
060992468
ABSTRACT:
In order to be able to realize especially high live-steam parameters (i.e. live-steam temperatures and live-steam pressures) in a steam turbine, an admission section of the turbine casing which has a number of throughflow openings and is intended for a valve casing for control valves, has a sealing surface which encloses each of the throughflow openings. For an especially reliable seal, a high surface pressure is achieved in the sealing-surface region owing to the fact that an outer contour of the sealing surface is shaped so as to be constricted in the region between adjacent throughflow openings and that, screws of different dimensions are expediently disposed along the constricted outer contour.
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Lochner Klaus
Schreiber Hartmut
Greenberg Laurence A.
Lerner Herbert L.
Ryznic John E.
Siemens Aktiengesellschaft
Stemer Werner H.
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