Valve for a steam turbine and method of actuating the valve

Details Valve for a steam turbine and method of actuating the valve Valve for a steam turbine and method of actuating the valve

1995-12-26

1998-11-10

Lee, Kevin

Fluid handling

Processes

137597, 137605, 25112911, 251 3002, F16K 3104

Patent

active

058329447

ABSTRACT:
A valve for a steam turbine includes a valve housing having a sealing seat disposed therein which interacts with a sealing piece, a valve spindle for actuating the sealing piece, and a drive for actuating the valve spindle. The drive includes an electric motor which interacts with the valve spindle through an electromagnetically actuated coupling and acts upon an energy accumulator. A method is also provided for actuating the valve.

REFERENCES:
patent: 3768776 (1973-10-01), Staslicka
patent: 3808895 (1974-05-01), Fitzwater
patent: 4007906 (1977-02-01), Karpenko
patent: 4257234 (1981-03-01), Trassi et al.
patent: 4873957 (1989-10-01), Ueyama et al.
patent: 4936541 (1990-06-01), Oksanen et al.
patent: 4997069 (1991-03-01), Strache
patent: 5333989 (1994-08-01), Missana et al.

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