Patent US2909342A successfully refreshed from Google Patents.
Patent US3220191A successfully refreshed from Google Patents.
US3220191A
Expired / Lapsed
US
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Varying the pressure level of a closed-cycle gas turbine plant
Assignee: Sulzer Escher Wyss AG
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Filing: 1962-05-14
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Granted: 1965-11-30
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Expires: 1982-05-14
Abstract
No abstract record available.
Inventors
- 👤 Berchtold Max
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 05:28
CPC Classifications
F; F02; F02C; F02C9/00; F02C9/16; F02C9/24
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
130 words
IN COMBINATION (A) A CLOSED-CYCLE GAS TURBINE POWER PLANT HAVING A CLOSED CIRCUIT FOR A GASEOUS WORKING MEDIUM COMPRISING COMPRESSING MEANS, HEATING MEANS, TURBINE MEANS, COOLING MEANS, AND A FLOW PATH FOR LEADING WORKING MEDIUM THROUGH THESE FOUR MEANS IN SEQUENCE; AND (B) A DEVICE FOR VARYING THE PRESSURE LEVEL IN SAID CIRCUIT COMPRISING (1) A STORAGE RESERVOIR, (2) A MOVABLE PARTITION WITHIN SAID RESERVOIR AND DIVIDING ITS INTERIOR INTO TWO SPACES SEALED FROM ONE ANOTHER, (3) AT LEAST ONE FLOW CONNECTION INCLUDING CLOSURE MEANS LEADING FROM THE WORKING MEDIUM FLOW PATH TO ONE OF SAID RESERVOIR SPACES, (4) A MEDIUM PARTLY IN LIQUID PHASE AND PARTLY IN GASEOUS PHASE FILLING THE OTHER RESERVOIR SPACE, AND (5) HEATING AND COOLING MEANS FOR VARYING THE ENTHALPY OF THE MIXED PHASE MEDIUM.
Claim 2
Dependent Claim
130 words
IN COMBINATION (A) A CLOSED-CYCLE GAS TURBINE POWER PLANT HAVING A CLOSED CIRCUIT FOR A GASEOUS WORKING MEDIUM COMPRISING COMPRESSING MEANS, HEATING MEANS, TURBINE MEANS, COOLING MEANS, AND A FLOW PATH FOR LEADING WORKING MEDIUM THROUGH THESE FOUR MEANS IN SEQUENCE; AND (B) A DEVICE FOR VARYING THE PRESSURE LEVEL IN SAID CIRCUIT COMPRISING (1) A STORAGE RESERVOIR, (2) A MOVABLE PARTITION WITHIN SAID RESERVOIR AND DIVIDING ITS INTERIOR INTO TWO SPACES SEALED FROM ONE ANOTHER, (3) AT LEAST ONE FLOW CONNECTION INCLUDING CLOSURE MEANS LEADING FROM THE WORKING MEDIUM FLOW PATH TO ONE OF SAID RESERVOIR SPACES, (4) A MEDIUM PARTLY IN LIQUID PHASE AND PARTLY IN GASEOUS PHASE FILLING THE OTHER RESERVOIR SPACE, AND (5) HEATING AND COOLING MEANS FOR VARYING THE ENTHALPY OF THE MIXED PHASE MEDIUM.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1968-11-29 | 1969-05-31 | 1969-11-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-11-29 | 1973-05-31 | 1973-11-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-11-29 | 1977-05-31 | 1977-11-30 | $7700.00 | Window Closed / Lapsed |