Rotary kinetic fluid motors or pumps – Axially opposed working fluid paths to or from runner – Plural – separate – parallel – simultaneous flow paths
Patent
1988-04-08
1989-05-02
Garrett, Robert E.
Rotary kinetic fluid motors or pumps
Axially opposed working fluid paths to or from runner
Plural, separate, parallel, simultaneous flow paths
415139, 415174, F01D 302
Patent
active
048263958
ABSTRACT:
A steam turbine having a seal, connected between the annular rows of stationary blades positioned proximate the turbine inlet, for preventing the circumvention of the flow of steam from the desired flow path and for preventing the transfer of thermal loads between the rows of stationary blades. The seal includes a band connected to one of the stationary annular row of blades and extending across the inlet, a support piece connected to the other stationary annular row of blades, and a resilient seal connected to the support piece and positioned to be in frictional engagement with the band.
REFERENCES:
patent: 3817654 (1974-06-01), Sohma
patent: 4764084 (1988-08-01), Parker et al.
Bach K.
Garrett Robert E.
Kwon John T.
Westinghouse Electric Corp.
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