Patent US3341174A successfully refreshed from Google Patents.
US3341174A
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US
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Assignee: RTX Corp
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Filing: 1967-02-27
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Granted: 1967-09-12
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Expires: 1987-02-27
Abstract
No abstract record available.
Inventors
- 👤 Frank B Manning
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 08:55
CPC Classifications
F; F01; F01D; F01D5/00; F01D5/30; F01D5/32; F01D5/326; Y; Y10; Y10T; Y10T29/00; Y10T29/53; Y10T29/53552
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
162 words
A ROTOR ASSEMBLY FOR A TURBOMACHINE COMPRISING A DISC HAVING BLADE RECEIVING SLOTS IN THE PERIPHERY THEREOF EXTENDING GENERALLY AXIALLY FROM THE FIRST SIDE OF SAID DISC TO THE SECOND SIDE, AND REMOVABLE BLADES INCLUDING A ROOT PORTION SLIDABLY MOUNTED IN SAID SLOTS, WHEREIN THE IMPROVEMENT COMPRISES: ONE END OF SAID ROOT PORTION HAVING STOP MEANS, THE STOP MEANS ABUTTING SAID FIRST SIDE OF SAID DISC, THE ROOT END REMOTE THEREFROM EXTENDING AXIALLY BEYOND SAID SLOT, SAID AXIALLY EXTENDING END HAVING AT LEAST TWO PASSAGES POSITIONED OBLIQUELY WITH RESPECT TO ONE ANOTHER, SAID PASSAGES EXTENDING GENERALLY PARALLEL TO THE PLANE OF SAID DISC AND BEING IN ABUTTING RELATIONSHIP TO SAID SECOND SIDE OF SAID DISC; AND A DEFORMABLE, SUBSTANTIALLY U-SHAPED MEMBER EXTENDING INTO SAID OBLIQUE PASSAGES, THE PORTIONS OF SAID U-SHAPED MEMBER WHICH EXTEND FROM SAID OBLIQUE PASSAGES BEYOND SAID ROOT END ABUTTING SAID SECOND SIDE OF SAID DISC SO THAT SAID BLADE CANNOT MOVE AXIALLY AFTER SAID U-SHAPED MEMBER IS INSERTED.
Claim 2
Dependent Claim
162 words
A ROTOR ASSEMBLY FOR A TURBOMACHINE COMPRISING A DISC HAVING BLADE RECEIVING SLOTS IN THE PERIPHERY THEREOF EXTENDING GENERALLY AXIALLY FROM THE FIRST SIDE OF SAID DISC TO THE SECOND SIDE, AND REMOVABLE BLADES INCLUDING A ROOT PORTION SLIDABLY MOUNTED IN SAID SLOTS, WHEREIN THE IMPROVEMENT COMPRISES: ONE END OF SAID ROOT PORTION HAVING STOP MEANS, THE STOP MEANS ABUTTING SAID FIRST SIDE OF SAID DISC, THE ROOT END REMOTE THEREFROM EXTENDING AXIALLY BEYOND SAID SLOT, SAID AXIALLY EXTENDING END HAVING AT LEAST TWO PASSAGES POSITIONED OBLIQUELY WITH RESPECT TO ONE ANOTHER, SAID PASSAGES EXTENDING GENERALLY PARALLEL TO THE PLANE OF SAID DISC AND BEING IN ABUTTING RELATIONSHIP TO SAID SECOND SIDE OF SAID DISC; AND A DEFORMABLE, SUBSTANTIALLY U-SHAPED MEMBER EXTENDING INTO SAID OBLIQUE PASSAGES, THE PORTIONS OF SAID U-SHAPED MEMBER WHICH EXTEND FROM SAID OBLIQUE PASSAGES BEYOND SAID ROOT END ABUTTING SAID SECOND SIDE OF SAID DISC SO THAT SAID BLADE CANNOT MOVE AXIALLY AFTER SAID U-SHAPED MEMBER IS INSERTED.
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) | 1970-09-11 | 1971-03-13 | 1971-09-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-09-11 | 1975-03-13 | 1975-09-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-09-11 | 1979-03-13 | 1979-09-12 | $7700.00 | Window Closed / Lapsed |