US3165294A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Rotor assembly
Assignee: General Electric Co
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Filing: 1962-12-28
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Granted: 1965-01-12
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Expires: 1982-12-28
Abstract
No abstract record available.
Inventors
- 👤 Bernard J Anderson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 11:46
CPC Classifications
F; F01; F01D; F01D5/00; F01D5/02; F01D5/06; F01D5/30; F01D5/3023; F01D5/303; F01D5/3038; Y; Y02; Y02T; Y02T50/00; Y02T50/60
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
157 words
A BLADED ROTOR ASSEMBLY FOR AN AXIAL FLUID FLOW MACHINE COMPRISING A GENERALLY CYLINDRICAL BLADE HOLDING MEMBER, SAID BLADE HOLDING MEMBER HAVING CIRCUMFERERTIALLY CONTINUOUS WALLS DEFINING AT LEAST ONE CIRCUMFERENTIALLY EXTENDING DOVETAIL SHAPED SLOT IN THE PERIPHERY THEREOF, A PLURALITY OF BLADES ALL HAVING IDENTICALLY SHAPED DOVETAIL ROOTS SLIDABLY RECEIVED IN SAID SLOT, SAID BLADE ROOTS CIRCUMFERENTIALLY FILLING SAID SLOT WITH ADJACENT ROOTS IN ABUTTING RELATIONSHIP, THE DOVETAIL SHAPES OF SAID SLOT AND SAID BLADE ROOTS BEING SUCH THAT THE ROOTS ARE RESTRAINED AGAINST RADIAL MOVEMENT WITH RESPECT TO SAID BLADE HOLDING MEMBER, A LOADING RECESS IN THE RADIALLY INWARD SURFACE OF THE SLOT, A SELECTED ONE OF SAID BLADE ROOTS POSITIONED IN SAID SLOT RADIALLY OUTWARD OF SAID LOADING RECESS, AND LOCKING MEANS ENGAGING THE RADIALLY INWARD PORTION OF SAID SELECTED BLADE ROOT TO MAINTAIN SAID SELECTED BLADE ROOT IN SAID SLOT AND TO PREVENT CIRCUMFERENTIAL MOVEMENT OF SAID PLURALITY OF BLADE ROOTS IN SAID SLOT.
Claim 2
Dependent Claim
157 words
A BLADED ROTOR ASSEMBLY FOR AN AXIAL FLUID FLOW MACHINE COMPRISING A GENERALLY CYLINDRICAL BLADE HOLDING MEMBER, SAID BLADE HOLDING MEMBER HAVING CIRCUMFERERTIALLY CONTINUOUS WALLS DEFINING AT LEAST ONE CIRCUMFERENTIALLY EXTENDING DOVETAIL SHAPED SLOT IN THE PERIPHERY THEREOF, A PLURALITY OF BLADES ALL HAVING IDENTICALLY SHAPED DOVETAIL ROOTS SLIDABLY RECEIVED IN SAID SLOT, SAID BLADE ROOTS CIRCUMFERENTIALLY FILLING SAID SLOT WITH ADJACENT ROOTS IN ABUTTING RELATIONSHIP, THE DOVETAIL SHAPES OF SAID SLOT AND SAID BLADE ROOTS BEING SUCH THAT THE ROOTS ARE RESTRAINED AGAINST RADIAL MOVEMENT WITH RESPECT TO SAID BLADE HOLDING MEMBER, A LOADING RECESS IN THE RADIALLY INWARD SURFACE OF THE SLOT, A SELECTED ONE OF SAID BLADE ROOTS POSITIONED IN SAID SLOT RADIALLY OUTWARD OF SAID LOADING RECESS, AND LOCKING MEANS ENGAGING THE RADIALLY INWARD PORTION OF SAID SELECTED BLADE ROOT TO MAINTAIN SAID SELECTED BLADE ROOT IN SAID SLOT AND TO PREVENT CIRCUMFERENTIAL MOVEMENT OF SAID PLURALITY OF BLADE ROOTS IN SAID SLOT.
References Cited (Backward Citations)
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Cited
US2315631A
Cited
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Cited
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Cited
US2931625A
Cited
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Cited
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Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1968-01-12 | 1968-07-13 | 1969-01-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-01-12 | 1972-07-13 | 1973-01-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-01-12 | 1976-07-13 | 1977-01-12 | $7700.00 | Window Closed / Lapsed |