US3149470A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Low pressure turbine exhaust hood
Assignee: General Electric Co
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Filing: 1962-08-29
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Granted: 1964-09-22
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Expires: 1982-08-29
Abstract
No abstract record available.
Inventors
- 👤 Herzog Josef
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 19:09
CPC Classifications
F; F01; F01D; F01D25/00; F01D25/30
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
106 words
IN AN EXHAUST HOOD FOR A TURBINE OF THE TYPE HAVING AN AXIAL FLOW ROTOR DISCHARGING MOTIVE FLUID FROM AN ANNULAR TURBINE CASING OUTLET ENCLOSED WITHIN EXHAUST HOOD WALLS TOWARD AT LEAST ONE RADIALLY DIRECTED EXHAUST FLOW PASSAGE DEFINED BETWEEN A PAIR OF LONGITUDINAL WALL PORTIONS AND A PAIR OF TRANSVERSE WALL PORTIONS, SAID TRANSVERSE WALL PORTIONS BEING DISPOSED UPSTREAM AND DOWNSTREAM FROM THE TURBINE OUTLET RESPECTIVELY AND EXTENDING SUBSTANTIALLY NORMAL TO THE TURBINE ROTOR AXIS, THE IMPROVEMENT COMPRISING: A HOLLOW ANNULAR FLOW DIVIDING MEMBER DISPOSED INSIDE THE HOOD COAXIAL WITH THE TURBINE ROTOR AND HAVING A SMALLER OPEN END FACING THE TURBINE OUTLET AND BE-
Claim 2
Dependent Claim
106 words
IN AN EXHAUST HOOD FOR A TURBINE OF THE TYPE HAVING AN AXIAL FLOW ROTOR DISCHARGING MOTIVE FLUID FROM AN ANNULAR TURBINE CASING OUTLET ENCLOSED WITHIN EXHAUST HOOD WALLS TOWARD AT LEAST ONE RADIALLY DIRECTED EXHAUST FLOW PASSAGE DEFINED BETWEEN A PAIR OF LONGITUDINAL WALL PORTIONS AND A PAIR OF TRANSVERSE WALL PORTIONS, SAID TRANSVERSE WALL PORTIONS BEING DISPOSED UPSTREAM AND DOWNSTREAM FROM THE TURBINE OUTLET RESPECTIVELY AND EXTENDING SUBSTANTIALLY NORMAL TO THE TURBINE ROTOR AXIS, THE IMPROVEMENT COMPRISING: A HOLLOW ANNULAR FLOW DIVIDING MEMBER DISPOSED INSIDE THE HOOD COAXIAL WITH THE TURBINE ROTOR AND HAVING A SMALLER OPEN END FACING THE TURBINE OUTLET AND BE-
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) | 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 |