Patent US3149820A successfully refreshed from Google Patents.
US3149820A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Gas turbine speed control
Assignee: SILENCER Manufacturing Inc
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Filing: 1961-06-28
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Granted: 1964-09-22
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Expires: 1981-06-28
Abstract
No abstract record available.
Inventors
- 👤 Anthony M Maio
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 04:13
CPC Classifications
G; G05; G05D; G05D13/00; F; F01; F01D; F01D17/00; F01D17/10; F01D17/12; F01D17/14; F01D17/141; F01D17/143; F01D17/146
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
156 words
IN A TURBINE COMPRISING A BLADED ROTOR MOUNTED FOR ROTATION IN A HOUSING WITH THE HOUSING HAVING AN INLET OPENING ADAPTED TO RECEIVE GASES HAVING SUBSTANTIAL KINETIC ENERGY AND AN OUTLET OPENING FOR DISCHARGING SPENT GASES, THE COMBINATION OF A MOVABLE WALL FORMED BY A BOURDON TUBE RIGIDLY SECURED AT ONE OF ITS ENDS ADJACENT THE HOUSING INLET OPENING AND EXTENDING WITHIN THE HOUSING IN SPACED RELATION TO THE PERIPHERY OF SAID ROTOR, THE FREE END OF SAID TUBE BEING MOVABLE TOWARD AND AWAY FROM THE PERIPHERY OF SAID ROTOR IN RESPONSE TO STATIC PRESSURE VARIATION WITHIN SAID TUBE TO FLEX SAID TUBE THEREBY VARYING THE SPACING OF THE MOVABLE WALL FORMED BY SAID TUBE WITH RELATION TO THE ROTOR PERIPHERY, AND MEANS COMMUNICATING WITH THE INTERIOR OF SAID TUBE ADAPTED TO INTRODUCE STATIC PRESSURE VARIATIONS IN SAID TUBE FOR POSITIONING THE MOVABLE WALL FORMED BY SAID TUBE TO CONTROL THE SPEED OF THE TURBINE ROTOR.
Claim 2
Dependent Claim
156 words
IN A TURBINE COMPRISING A BLADED ROTOR MOUNTED FOR ROTATION IN A HOUSING WITH THE HOUSING HAVING AN INLET OPENING ADAPTED TO RECEIVE GASES HAVING SUBSTANTIAL KINETIC ENERGY AND AN OUTLET OPENING FOR DISCHARGING SPENT GASES, THE COMBINATION OF A MOVABLE WALL FORMED BY A BOURDON TUBE RIGIDLY SECURED AT ONE OF ITS ENDS ADJACENT THE HOUSING INLET OPENING AND EXTENDING WITHIN THE HOUSING IN SPACED RELATION TO THE PERIPHERY OF SAID ROTOR, THE FREE END OF SAID TUBE BEING MOVABLE TOWARD AND AWAY FROM THE PERIPHERY OF SAID ROTOR IN RESPONSE TO STATIC PRESSURE VARIATION WITHIN SAID TUBE TO FLEX SAID TUBE THEREBY VARYING THE SPACING OF THE MOVABLE WALL FORMED BY SAID TUBE WITH RELATION TO THE ROTOR PERIPHERY, AND MEANS COMMUNICATING WITH THE INTERIOR OF SAID TUBE ADAPTED TO INTRODUCE STATIC PRESSURE VARIATIONS IN SAID TUBE FOR POSITIONING THE MOVABLE WALL FORMED BY SAID TUBE TO CONTROL THE SPEED OF THE TURBINE ROTOR.
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1967-09-22 | 1968-03-23 | 1968-09-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-09-22 | 1972-03-23 | 1972-09-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-09-22 | 1976-03-23 | 1976-09-22 | $7700.00 | Window Closed / Lapsed |