US3565548A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Transonic buckets for axial flow turbines
Assignee: General Electric Co
•
Filing: 1969-01-24
•
Granted: 1971-02-23
•
Expires: 1989-01-24
Abstract
Abstract TURBINE BUCKET PROFILES FOR THE TRANSONIC FLUID FLOW REGION AT THE OUTER PORTIONS OF AXIAL FLOW STEAM TURBINE BUCKETS, THE PROFILES BEING CHARACTERIZED BY SUBSTANTIALLY FLAT PRESSURE AND SUCTION SIDES DIVERGING TOWARD THE TRAILING EDGE OVER THE MID-PORTION OF THE PROFILE, THE BUCKETS OVERLAPPING ONE ANOTHER AND SHAPED TO PROVIDE A TRANSONIC AND SUPERSONIC FLOW REGION BETWEEN BUCKETS.
Inventors
- 👤 Jackson E Fowler
- 👤 Josef Herzog
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 22:44
CPC Classifications
F; F01; F01D; F01D5/00; F01D5/12; F01D5/14; F01D5/141
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1974-02-22 | 1974-08-24 | 1975-02-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-02-22 | 1978-08-24 | 1979-02-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-02-22 | 1982-08-24 | 1983-02-23 | $7700.00 | Window Closed / Lapsed |