Patent US3306031A successfully refreshed from Google Patents.
US3306031A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Valve control devices, in particular for gas turbine power plants
Assignee: D'ETUDES ET DE PARTICIPATIONS Ste
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Filing: 1964-06-04
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Granted: 1967-02-28
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Expires: 1984-06-04
Abstract
No abstract record available.
Inventors
- 👤 Moiroux Auguste
- 👤 Salel Edmond
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 23:16
CPC Classifications
F; F02; F02B; F02B71/00; F02B71/04; F02B71/06; F01; F01D; F01D17/00; F01D17/10; F01D17/12; F01D17/14; F01D17/141; F01D17/145; F01D17/20; F01D17/22; F01D17/26; F01D21/00; G; G05; G05D; G05D16/00; G05D16/20; G05D16/2093; G05D16/2097
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
182 words
A POWER PLANT COMPRISING AT LEAST ONE FREE PISTON GAS GENERATOR PRODUCING GASES UNDER PRESSURE, A GAS DRIVEN TURBINE, CONDUIT MEANS FOR SAID GASES UNDER PRESSURE CONNECTING SAID FREE PISTON GAS GENERATOR TO SAID TURBINE, ON THE ONE HAND, AND TO THE ATMOSPHERE, ON THE OTHER HAND, VALVE MEANS WITHIN SAID CONDUIT TO CONTROL THE FLOW OF GASES RESPECTIVELY DELIVERED TO SAID TURBINE AND TO THE ATMOSPHERE, FIRST AND SECOND ACTUATING PARTS FOR SAID VALVE MEANS, SAID VALVE MEANS BEING CONNECTED DIRECTLY WITH SAID SECOND ACTUATING PART, REGULATING MEANS RESPONSIVE TO THE SPEED OF SAID TURBINE OPERATIVE ON SAID FIRST ACTUATING PART, MEANS INDEPENDENT OF THE TURBINE SPEED FOR SUBJECTING SAID SECOND ACTUATING PART TO A DIFFERENCE OF FORCES FOR HOLDING SAID FIRST AND SECOND ACTUATING PARTS IN A FIXED RELATIONSHIP TO EACH OTHER, AND CONTROL MEANS, RESPONSIVE TO AN EXCEPTIONAL PERTURBATION AFFECTING THE TURBINE, TO TEMPORARILY SET OUT OF OPERATION THE GREATER OF SAID FORCES, THE SMALLER OF SAID FORCES THEN UNCOUPLING SAID FIRST AND SECOND ACTUATING PARTS AND DRIVING SAID SECOND ACTUATING SECOND ACTUATING PARTS AND DRIVING SAID SECOND ACTUATING
Claim 2
Dependent Claim
182 words
A POWER PLANT COMPRISING AT LEAST ONE FREE PISTON GAS GENERATOR PRODUCING GASES UNDER PRESSURE, A GAS DRIVEN TURBINE, CONDUIT MEANS FOR SAID GASES UNDER PRESSURE CONNECTING SAID FREE PISTON GAS GENERATOR TO SAID TURBINE, ON THE ONE HAND, AND TO THE ATMOSPHERE, ON THE OTHER HAND, VALVE MEANS WITHIN SAID CONDUIT TO CONTROL THE FLOW OF GASES RESPECTIVELY DELIVERED TO SAID TURBINE AND TO THE ATMOSPHERE, FIRST AND SECOND ACTUATING PARTS FOR SAID VALVE MEANS, SAID VALVE MEANS BEING CONNECTED DIRECTLY WITH SAID SECOND ACTUATING PART, REGULATING MEANS RESPONSIVE TO THE SPEED OF SAID TURBINE OPERATIVE ON SAID FIRST ACTUATING PART, MEANS INDEPENDENT OF THE TURBINE SPEED FOR SUBJECTING SAID SECOND ACTUATING PART TO A DIFFERENCE OF FORCES FOR HOLDING SAID FIRST AND SECOND ACTUATING PARTS IN A FIXED RELATIONSHIP TO EACH OTHER, AND CONTROL MEANS, RESPONSIVE TO AN EXCEPTIONAL PERTURBATION AFFECTING THE TURBINE, TO TEMPORARILY SET OUT OF OPERATION THE GREATER OF SAID FORCES, THE SMALLER OF SAID FORCES THEN UNCOUPLING SAID FIRST AND SECOND ACTUATING PARTS AND DRIVING SAID SECOND ACTUATING SECOND ACTUATING PARTS AND DRIVING SAID SECOND ACTUATING
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) | 1970-02-27 | 1970-08-29 | 1971-02-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-02-27 | 1974-08-29 | 1975-02-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-02-27 | 1978-08-29 | 1979-02-28 | $7700.00 | Window Closed / Lapsed |