Patent US3302926A successfully refreshed from Google Patents.
US3302926A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Segmented nozzle diaphragm for high temperature turbine
Assignee: General Electric Co
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Filing: 1965-12-06
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Granted: 1967-02-07
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Expires: 1985-12-06
Abstract
No abstract record available.
Inventors
- 👤 Bobo Melvin
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 10:26
CPC Classifications
F; F01; F01D; F01D9/00; F01D9/02; F01D9/04; F01D9/042; Y; Y02; Y02T; Y02T50/00; Y02T50/60
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
79 words
IN A TURBINE, A TURBINE NOZZLE DIAPHRAGM COMPRISING: AN OUTER ANNULAR SHROUD RING, AN INNER CONCENTRIC SHROUD RING WITHIN SAID OUTER SHROUD RING, AND A PLURALITY OF RADIALLY EXTENDING VANES POSITIONED BETWEEN SAID SHROUD RINGS AND SECURED THERETO, SAID VANES HAVING AXIALLY SPACED LEADING AND TRAILING EDGES AND DEFINING THEREBETWEEN FLOW PASSAGEWAYS OF VARYING CROSS-SECTIONAL AREA, AT LEAST ONE OF SAID SHROUD RINGS HAVING A SINGLE CIRCUMFERENTIAL FLANGE PROJECTING RADIALLY THEREFROM, SAID FLANGE BEING OPPOSITELY DIRECTED FROM SAID VANES,
Claim 2
Dependent Claim
79 words
IN A TURBINE, A TURBINE NOZZLE DIAPHRAGM COMPRISING: AN OUTER ANNULAR SHROUD RING, AN INNER CONCENTRIC SHROUD RING WITHIN SAID OUTER SHROUD RING, AND A PLURALITY OF RADIALLY EXTENDING VANES POSITIONED BETWEEN SAID SHROUD RINGS AND SECURED THERETO, SAID VANES HAVING AXIALLY SPACED LEADING AND TRAILING EDGES AND DEFINING THEREBETWEEN FLOW PASSAGEWAYS OF VARYING CROSS-SECTIONAL AREA, AT LEAST ONE OF SAID SHROUD RINGS HAVING A SINGLE CIRCUMFERENTIAL FLANGE PROJECTING RADIALLY THEREFROM, SAID FLANGE BEING OPPOSITELY DIRECTED FROM SAID VANES,
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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) | 1970-02-06 | 1970-08-08 | 1971-02-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-02-06 | 1974-08-08 | 1975-02-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-02-06 | 1978-08-08 | 1979-02-07 | $7700.00 | Window Closed / Lapsed |