US3107897A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Gas turbine nozzle and vane assembly
Assignee: General Electric Co
•
Filing: 1961-08-24
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Granted: 1963-10-22
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Expires: 1981-08-24
Abstract
No abstract record available.
Inventors
- 👤 Louis E Varadi
- 👤 Theodore E Bourque
- 👤 Daniel M Judge
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 16:50
CPC Classifications
F; F01; F01D; F01D9/00; F01D9/02; F01D9/04; F01D9/042
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
101 words
AN ANNULAR DIAPHRAGM FOR USE IN AN AXIAL FLOW COMPRESSOR OR TURBINE ASSEMBLY COMPRISING IN COMBINATION: (A) AN INNER SHROUD, (B) AN OUTER SHROUD HAVING AN INNER ANNULAR BAND AND AN OUTER ANNULAR BAND, (C) A PLURALITY OF VANES RADIALLY EXTENDING FROM SAID INNER SHROUD THROUGH SAID INNER BAND, (D) A PLURALITY OF SEGMENTS CIRCUMJACENT SAID INNER BAND COMPRISING SAID OUTER BAND, (E) SELECTED ONES OF SAID SEGMENTS HAVING AT LEAST ONE APERTURE THEREIN, (F) RESPECTIVE ONES OF SAID VANES BEING RECEIVED IN RESPECTIVE ONES OF SAID APERTURES, SAID SEGMENTS THEREBY BEING CIRCUMFERENTIALLY POSITIONED RELATIVE TO EACH OTHER BY SAID VANES,
Claim 2
Dependent Claim
101 words
AN ANNULAR DIAPHRAGM FOR USE IN AN AXIAL FLOW COMPRESSOR OR TURBINE ASSEMBLY COMPRISING IN COMBINATION: (A) AN INNER SHROUD, (B) AN OUTER SHROUD HAVING AN INNER ANNULAR BAND AND AN OUTER ANNULAR BAND, (C) A PLURALITY OF VANES RADIALLY EXTENDING FROM SAID INNER SHROUD THROUGH SAID INNER BAND, (D) A PLURALITY OF SEGMENTS CIRCUMJACENT SAID INNER BAND COMPRISING SAID OUTER BAND, (E) SELECTED ONES OF SAID SEGMENTS HAVING AT LEAST ONE APERTURE THEREIN, (F) RESPECTIVE ONES OF SAID VANES BEING RECEIVED IN RESPECTIVE ONES OF SAID APERTURES, SAID SEGMENTS THEREBY BEING CIRCUMFERENTIALLY POSITIONED RELATIVE TO EACH OTHER BY 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) | 1966-10-21 | 1967-04-22 | 1967-10-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-10-21 | 1971-04-22 | 1971-10-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-10-21 | 1975-04-22 | 1975-10-22 | $7700.00 | Window Closed / Lapsed |