US3360939A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Reducing the potential overspeed of turbine-generators
Assignee: Westinghouse Electric Corp
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Filing: 1965-12-15
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Granted: 1968-01-02
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Expires: 1985-12-15
Abstract
No abstract record available.
Inventors
- 👤 Frank A Beldecos
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 13:10
CPC Classifications
F; F01; F01K; F01K7/00; F01K7/16; F01K7/22; F01K7/223
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
152 words
IN A POWER PLANT COMPRISING: AT LEAST A FIRST PRESSURE TURBINE UNIT SUPPLIED WITH MOTIVE STEAM THROUGH A VALVE STRUCTURE, A SECOND PRESSURE TURBINE UNIT SUPPLIED WITH PARTIALLY EXPANDED STEAM FROM THE FIRST TURBINE, A PRESSURE VESSEL INTERPOSED BETWEEN SAID FIRST AND SECOND TURBINES FOR RECEIVING THE PARTIALLY EXPANDED STEAM BEFORE ADMISSION TO SAID SECOND TURBINE, AND A LOAD DRIVEN BY SAID LAST SAID SECOND TURBINE UNIT, THE IMPROVEMENT COMPRISING SPRAY STRUCTURE FOR SPRAYING WATER IN FINELY DIVIDED FORM INTO CONTACT WITH THE PARTIALLY EXPANDED STEAM IN A MANNER TO MINIMIZE FLOW OF SAID EXPANDED STEAM FROM SAID VESSEL TO SAID SECOND TURBINE UNIT, AND POWER SENSING MEANS RESPONSIVE TO A SUDDEN REDUCTION IN POWER DEMAND BY SAID LOAD TO CONCOMITANTLY CLOSE SAID VALVE STRUCTURE AND ACTIVATE SAID SPRAY STRUCTURE, THEREBY RESPECTIVELY INTERRUPTING THE FLOW OF STEAM TO SAID FIRST TURBINE UNIT AND RESTRICTING THE FLOW OF STEAM TO SAID SECOND UNIT.
Claim 2
Dependent Claim
152 words
IN A POWER PLANT COMPRISING: AT LEAST A FIRST PRESSURE TURBINE UNIT SUPPLIED WITH MOTIVE STEAM THROUGH A VALVE STRUCTURE, A SECOND PRESSURE TURBINE UNIT SUPPLIED WITH PARTIALLY EXPANDED STEAM FROM THE FIRST TURBINE, A PRESSURE VESSEL INTERPOSED BETWEEN SAID FIRST AND SECOND TURBINES FOR RECEIVING THE PARTIALLY EXPANDED STEAM BEFORE ADMISSION TO SAID SECOND TURBINE, AND A LOAD DRIVEN BY SAID LAST SAID SECOND TURBINE UNIT, THE IMPROVEMENT COMPRISING SPRAY STRUCTURE FOR SPRAYING WATER IN FINELY DIVIDED FORM INTO CONTACT WITH THE PARTIALLY EXPANDED STEAM IN A MANNER TO MINIMIZE FLOW OF SAID EXPANDED STEAM FROM SAID VESSEL TO SAID SECOND TURBINE UNIT, AND POWER SENSING MEANS RESPONSIVE TO A SUDDEN REDUCTION IN POWER DEMAND BY SAID LOAD TO CONCOMITANTLY CLOSE SAID VALVE STRUCTURE AND ACTIVATE SAID SPRAY STRUCTURE, THEREBY RESPECTIVELY INTERRUPTING THE FLOW OF STEAM TO SAID FIRST TURBINE UNIT AND RESTRICTING THE FLOW OF STEAM TO SAID SECOND UNIT.
References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-01-01 | 1971-07-03 | 1972-01-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-01-01 | 1975-07-03 | 1976-01-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-01-01 | 1979-07-03 | 1980-01-02 | $7700.00 | Window Closed / Lapsed |