US3300974A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Reheat cycle for steam turbine power plants
Assignee: Individual
•
Filing: 1964-10-19
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Granted: 1967-01-31
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Expires: 1984-10-19
Abstract
No abstract record available.
Inventors
- 👤 Frank M Reed
- 👤 George F Bierman
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 15:38
CPC Classifications
F; F01; F01K; F01K17/00; F01K17/005; F25; F25B; F25B11/00
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
180 words
A STEAM TURBINE POWER PLANT COMPRISING: A STEAM PATH; A BOILER INCLUDING EVAPORATING AND SUPERHEATING PORTIONS CONNECTED IN AND PROVIDING A PART OF SAID STEAM PATH; A PLURALITY OF STEAM TURBINES CONNECTED IN AND PROVIDING A PART OF SAID STEAM PATH; A STEAM LINE FROM SAID STEAM PATH FOR BLEEDING WORKING STEAM FROM SAID STEAM PATH AFTER SOME WORK HAS BEEN PERFORMED BY THE STEAM IN THE STEAM PATH; AND REHEATER MEANS CONNECTED BETWEEN DIFFERENT ONES OF SAID STEAM TURBINES IN SAID STEAM PATH COMPRISING A CLOSED CYCLE STEAM ROUTE, A FIRST HEAT EXCHANGER IN SAID STEAM ROUTE AND COUPLED TO SAID STEAM LINE TO ABSORB HEAT FROM SAID BLED STEAM FOR HEATING STEAM IN SAID STEAM ROUTE, A COMPRESSOR LOCATED AFTER SAID FIRST HEAT EXCHANGER, A SECOND HEAT EXCHANGER LOCATED AFTER SAID COMPRESSOR IN SAID STEAM ROUTE AND COUPLED TO SAID STEAM PATH FOR TRANSFERRING HEAT FROM STEAM IN SAID STEAM ROUTE TO STEAM IN SAID STEAM PATH, AND A RESTRICTION LOCATED AFTER SAID SECOND HEAT EXCHANGER FOR PROVIDING A PRESSURE CHANGE OF SAID STEAM IN SAID STEAM ROUTE.
Claim 2
Dependent Claim
180 words
A STEAM TURBINE POWER PLANT COMPRISING: A STEAM PATH; A BOILER INCLUDING EVAPORATING AND SUPERHEATING PORTIONS CONNECTED IN AND PROVIDING A PART OF SAID STEAM PATH; A PLURALITY OF STEAM TURBINES CONNECTED IN AND PROVIDING A PART OF SAID STEAM PATH; A STEAM LINE FROM SAID STEAM PATH FOR BLEEDING WORKING STEAM FROM SAID STEAM PATH AFTER SOME WORK HAS BEEN PERFORMED BY THE STEAM IN THE STEAM PATH; AND REHEATER MEANS CONNECTED BETWEEN DIFFERENT ONES OF SAID STEAM TURBINES IN SAID STEAM PATH COMPRISING A CLOSED CYCLE STEAM ROUTE, A FIRST HEAT EXCHANGER IN SAID STEAM ROUTE AND COUPLED TO SAID STEAM LINE TO ABSORB HEAT FROM SAID BLED STEAM FOR HEATING STEAM IN SAID STEAM ROUTE, A COMPRESSOR LOCATED AFTER SAID FIRST HEAT EXCHANGER, A SECOND HEAT EXCHANGER LOCATED AFTER SAID COMPRESSOR IN SAID STEAM ROUTE AND COUPLED TO SAID STEAM PATH FOR TRANSFERRING HEAT FROM STEAM IN SAID STEAM ROUTE TO STEAM IN SAID STEAM PATH, AND A RESTRICTION LOCATED AFTER SAID SECOND HEAT EXCHANGER FOR PROVIDING A PRESSURE CHANGE OF SAID STEAM IN SAID STEAM ROUTE.
References Cited (Backward Citations)
GB219973A
Cited
DE428802C
Cited
US1780226A
Cited
GB316804A
Cited
US1970434A
Cited
US2865827A
Cited
FR1245642A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1970-01-30 | 1970-08-01 | 1971-01-31 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-01-30 | 1974-08-01 | 1975-01-31 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-01-30 | 1978-08-01 | 1979-01-31 | $7700.00 | Window Closed / Lapsed |