System for admitting steam into a turbine
Patent
·
OSTI ID:6550176
This patent describes an improved method of admitting steam into a steam turbine having an upper casing and a lower casing with a large nozzle chamber and at least one small nozzle chamber in each of the casings through which steam is admitted into the turbine. It comprises: controlling steam flow to each nozzle chamber with a single correspondingly-sized steam supply port and associated valve in a steam chest; orienting adjacent ones of the steam supply ports in opposite directions within the steam chest so that steam flow destined for nozzle chambers in the upper casing is directed upwardly, and steam flow destined for nozzle chambers in the lower casing is directed downwardly; and connecting each of the ports to its corresponding nozzle chamber with a single pipe means and an inlet pipe.
- Assignee:
- Westinghouse Electric Corp., Pittsburgh, PA (USA)
- Patent Number(s):
- A; US 4940383
- Application Number:
- PPN: US s 7-383391
- OSTI ID:
- 6550176
- Country of Publication:
- United States
- Language:
- English
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