Patent US2837738A successfully refreshed from Google Patents.
US3326522A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Reversible, inward flow, independent power turbine
Assignee: Bristol Siddeley Engines Ltd
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Filing: 1965-06-01
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Granted: 1967-06-20
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Expires: 1985-06-01
Abstract
No abstract record available.
Inventors
- 👤 Pickering Albert William
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 16:32
CPC Classifications
F; F01; F01D; F01D9/00; F01D9/02; F01D9/04; F01D9/045; F01D1/00; F01D1/02; F01D1/06; F01D1/08; F01D1/30; F01D17/00; F01D17/10; F01D17/12; F01D17/14; F01D17/16; F01D3/00; F01D3/02; F01D3/025
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
159 words
A REVERSIBLE, INWARD FLOW, INDEPENDENT POWER TURBINE COMPRISING A ROTOR, A PLURALITY OF NOZZLE-DEFINING MEMBERS ARRANGED CIRCUMFERENTIALLY AROUND THE ROTOR, EACH MEMBER BEING PIVOTALLY-MOUNTED ABOUT AN AXIS PARALLEL TO THE ROTOR AXIS AND HAVING A PASSAGE THEREIN EXTENDING TRANSVERSELY TO ITS PIVOTAL AXIS, SAID PASSAGE BEING OPEN AT ITS RADIALLY-OUTER END TO THE TURBINE INLET AND AT ITS RADIALLY-INNER END TO THE PERIPHERY OF SAID ROTOR AND BEING SHAPED TO FORM A NOZZLE DIRECTED TOWARDS SAID ROTOR, OPERATING MEANS OPERABLE TO TURN ALL SAID MEMBERS SIMULTANEOUSLY ABOUT THEIR PIVOTS, AND SEALING MEANS BETWEEN EACH PAIR OF ADJACENT MEMBERS AND EFFECTIVE AT ALL ANGULAR POSITIONS THEREOF, EACH SAID SEALING MEANS COMPRISING A CYLINDRICAL PIN MOUNTED WITH ITS LONGITUDINAL AXIS PARALLEL WITH AND INTERMEDIATE THE AXES OF EACH PAIR OF ADJACENT MEMBERS, THE CYLINDRICAL SURFACE OF SAID PIN BEING ENGAGED BY A CONVEX SURFACE OF EACH ADJACENT MEMBER AND OF SUFFICIENT AXIAL LENGTH TO FORM THE SEAL BETWEEN SAID ADJACENT MEMBERS.
Claim 2
Dependent Claim
159 words
A REVERSIBLE, INWARD FLOW, INDEPENDENT POWER TURBINE COMPRISING A ROTOR, A PLURALITY OF NOZZLE-DEFINING MEMBERS ARRANGED CIRCUMFERENTIALLY AROUND THE ROTOR, EACH MEMBER BEING PIVOTALLY-MOUNTED ABOUT AN AXIS PARALLEL TO THE ROTOR AXIS AND HAVING A PASSAGE THEREIN EXTENDING TRANSVERSELY TO ITS PIVOTAL AXIS, SAID PASSAGE BEING OPEN AT ITS RADIALLY-OUTER END TO THE TURBINE INLET AND AT ITS RADIALLY-INNER END TO THE PERIPHERY OF SAID ROTOR AND BEING SHAPED TO FORM A NOZZLE DIRECTED TOWARDS SAID ROTOR, OPERATING MEANS OPERABLE TO TURN ALL SAID MEMBERS SIMULTANEOUSLY ABOUT THEIR PIVOTS, AND SEALING MEANS BETWEEN EACH PAIR OF ADJACENT MEMBERS AND EFFECTIVE AT ALL ANGULAR POSITIONS THEREOF, EACH SAID SEALING MEANS COMPRISING A CYLINDRICAL PIN MOUNTED WITH ITS LONGITUDINAL AXIS PARALLEL WITH AND INTERMEDIATE THE AXES OF EACH PAIR OF ADJACENT MEMBERS, THE CYLINDRICAL SURFACE OF SAID PIN BEING ENGAGED BY A CONVEX SURFACE OF EACH ADJACENT MEMBER AND OF SUFFICIENT AXIAL LENGTH TO FORM THE SEAL BETWEEN SAID ADJACENT MEMBERS.
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) | 1970-06-19 | 1970-12-19 | 1971-06-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-06-19 | 1974-12-19 | 1975-06-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-06-19 | 1978-12-19 | 1979-06-20 | $7700.00 | Window Closed / Lapsed |