US3674377A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Guide blading for turbo machines with adjustable guide vanes
Assignee: MTU Aero Engines AG
•
Filing: 1970-06-17
•
Granted: 1972-07-04
•
Expires: 1990-06-17
Abstract
Abstract A GUIDE BLADE ASSEMBLY IN WHICH A GUIDE BLADE IS SUPPORTED BY ITS BLADE SHAFT IN THE RELATIVELY FIXED PART BY MEANS OF TWO BEARINGS, OF WHICH THE BEARING NEARER THE GUIDE BLADE IS A ROLLER BEARING WITH AN INNER RACE IN THE FORM OF A BUSH SECURELY MOUNTED OVER THE BLADE SHAFT AND IN CONTACT THEREWITH ONLY BY WAY OF TWO RELATIVELY NARROW ANNULAR SURFACES.
Inventors
- 👤 Klaus Trappmann
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 09:04
CPC Classifications
F; F01; F01D; F01D17/00; F01D17/10; F01D17/12; F01D17/14; F01D17/16; F01D17/162
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) | 1975-07-04 | 1976-01-03 | 1976-07-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1979-07-04 | 1980-01-03 | 1980-07-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1983-07-04 | 1984-01-03 | 1984-07-04 | $7700.00 | Window Closed / Lapsed |