US3148282A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Integral turbine-generator set
Assignee: General Electric Co
•
Filing: 1961-11-27
•
Granted: 1964-09-08
•
Expires: 1981-11-27
Abstract
No abstract record available.
Inventors
- 👤 Herbert N Hoffman
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 05:31
CPC Classifications
F; F01; F01D; F01D1/00; F01D1/02; F01D1/04; F01D15/00; F01D15/10; H; H02; H02K; H02K7/00; H02K7/18; H02K7/1807; H02K7/1823
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
91 words
A DUAL-FUNCTION ROTOR FOR AN INTEGRATED STEAM TURBINE-GENERATOR COMPRISING: A FIRST ROTATABLY MOUNTED HOLLOW DRUM MEMBER HAVING A PLURALITY OF AXIALLY SPACED CIRCUMFERENTIAL ROWS OF TURBINE BLADE MEMBERS DISPOSED ON THE OUTER SURFACE THEREOF, A SECOND HOLLOW DRUM MEMBER DISPOSED WITHIN AND SECURED TO SAID FIRST DRUM MEMBER TO DEFINE AN EVACUATED ANNULAR SPACE THEREBETWEEN, AND GENERATOR POLE MEMBERS DISPOSED ON THE INNER PERIPHERAL SURFACE OF SAID SECOND DRUM MEMBER, WHEREBY SAID ANNULAR SPACE SERVES TO REDUCE THE FLOW OF HEAT FROM THE TURBINE BLADE MEMBERS TO THE GENERATOR POLE 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) | 1967-09-08 | 1968-03-09 | 1968-09-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-09-08 | 1972-03-09 | 1972-09-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-09-08 | 1976-03-09 | 1976-09-08 | $7700.00 | Window Closed / Lapsed |