US3112420A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Rotor construction for waterwheel driven electrical generator
Assignee: BBC Brown Boveri AG Germany
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Filing: 1960-11-14
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Granted: 1963-11-26
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Expires: 1980-11-14
Abstract
No abstract record available.
Inventors
- 👤 Meyer Eugen
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 17:06
CPC Classifications
H; H02; H02K; H02K1/00; H02K1/06; H02K1/22; H02K1/28; H02K1/30; F; F03; F03B; F03B3/00; F03B3/12; Y; Y02; Y02E; Y02E10/00; Y02E10/20
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
71 words
IN A ROTOR CONSTRUCTION FOR A WATERWHEEL DRIVEN GENERATOR WHICH INCLUDES A SPIDER HAVING RADIALLY EXTENDING ARMS ON WHICH A RIM IS LOCATED, MEANS FOR SECURING EACH SPIDER ARM TO THE RIM COMPRISING AT LEAST ONE WEDGE ELEMENT INSERTED BETWEEN SAID ARM AND THE APPERTAINING CIRCUMFERENTIAL PORTION OF SAID RIM, SAID WEDGE ELEMENT EXTENDING IN THE CIRCUMFERENTIAL DIRECTION OF SAID RIM AND BEING PROVIDED WITH A SLIGHT TAPER IN SUCH DIRECTION.
Claim 2
Dependent Claim
71 words
IN A ROTOR CONSTRUCTION FOR A WATERWHEEL DRIVEN GENERATOR WHICH INCLUDES A SPIDER HAVING RADIALLY EXTENDING ARMS ON WHICH A RIM IS LOCATED, MEANS FOR SECURING EACH SPIDER ARM TO THE RIM COMPRISING AT LEAST ONE WEDGE ELEMENT INSERTED BETWEEN SAID ARM AND THE APPERTAINING CIRCUMFERENTIAL PORTION OF SAID RIM, SAID WEDGE ELEMENT EXTENDING IN THE CIRCUMFERENTIAL DIRECTION OF SAID RIM AND BEING PROVIDED WITH A SLIGHT TAPER IN SUCH DIRECTION.
References Cited (Backward Citations)
US461795A
Cited
US2986665A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1966-11-25 | 1967-05-27 | 1967-11-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-11-25 | 1971-05-27 | 1971-11-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-11-25 | 1975-05-27 | 1975-11-26 | $7700.00 | Window Closed / Lapsed |