US3077334A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Pin-bushed turbine wheel
Assignee: General Electric Co
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Filing: 1961-10-23
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Granted: 1963-02-12
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Expires: 1981-10-23
Abstract
No abstract record available.
Inventors
- 👤 Rubio Abdon
- 👤 Donald F Parent
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 19:09
CPC Classifications
F; F16; F16D; F16D1/00; F16D1/06; F16D1/08; F16D1/0894; F01; F01D; F01D5/00; F01D5/02; F01D5/025; Y; Y10; Y10T; Y10T403/00; Y10T403/48; Y10T403/70; Y10T403/7018; Y10T403/7021; Y10T403/7075; Y10T403/7077
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
152 words
A HIGH SPEED ROTOR ASSEMBLY COMPRISING A SHAFT, A WHEEL MEMBER SUBJECT TO A SUBSTANTIAL TENDENCY TO EXPAND RADIALLY DURING OPERATION, AND INCLUDING A DISK PORTION AND A CENTRAL HUB OF GREATER AXIAL LENGTH THAN THE DISK PORTION, SAID HUB DEFINING A CENTRAL BORE PORTION FORMING A SHRINK FIT WITH SAID SHAFT AT A LOCATION RADIALLY ALIGNED WITH SAID DISK PORTION, THE HUB BORE ALSO DEFINING AN ENLARGED CIRCUMFERENTIAL RECESS IN AT LEAST ONE END OF THE HUB, A CYLINDRICAL BUSHING SECURED IN SAID RECESS BETWEEN THE HUB AND THE SHAFT AND ATTACHED TO ROTATE WITH THE SHAFT, AND AT LEAST THREE CIRCUMFERENTIALLY SPACED RADIALLY DISPOSED PINS CONNECTING THE HUB AND THE BUSHING FOR RELATIVE RADIAL DISPLACEMENT THEREBETWEEN, THE OUTER ENDS OF SAID PINS BEING DISPOSED IN HOLES IN THE HUB AT LOCATIONS SPACED BOTH AXIALLY AND RADIALLY FROM THE MAXIMUM STRESS AREA OF THE SHRINK FIT BETWEEN THE HUB AND SHAFT.
Claim 2
Dependent Claim
152 words
A HIGH SPEED ROTOR ASSEMBLY COMPRISING A SHAFT, A WHEEL MEMBER SUBJECT TO A SUBSTANTIAL TENDENCY TO EXPAND RADIALLY DURING OPERATION, AND INCLUDING A DISK PORTION AND A CENTRAL HUB OF GREATER AXIAL LENGTH THAN THE DISK PORTION, SAID HUB DEFINING A CENTRAL BORE PORTION FORMING A SHRINK FIT WITH SAID SHAFT AT A LOCATION RADIALLY ALIGNED WITH SAID DISK PORTION, THE HUB BORE ALSO DEFINING AN ENLARGED CIRCUMFERENTIAL RECESS IN AT LEAST ONE END OF THE HUB, A CYLINDRICAL BUSHING SECURED IN SAID RECESS BETWEEN THE HUB AND THE SHAFT AND ATTACHED TO ROTATE WITH THE SHAFT, AND AT LEAST THREE CIRCUMFERENTIALLY SPACED RADIALLY DISPOSED PINS CONNECTING THE HUB AND THE BUSHING FOR RELATIVE RADIAL DISPLACEMENT THEREBETWEEN, THE OUTER ENDS OF SAID PINS BEING DISPOSED IN HOLES IN THE HUB AT LOCATIONS SPACED BOTH AXIALLY AND RADIALLY FROM THE MAXIMUM STRESS AREA OF THE SHRINK FIT BETWEEN THE HUB AND SHAFT.
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) | 1966-02-11 | 1966-08-13 | 1967-02-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-02-11 | 1970-08-13 | 1971-02-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-02-11 | 1974-08-13 | 1975-02-12 | $7700.00 | Window Closed / Lapsed |