US3083313A
Expired / Lapsed
US
⏱️ 0.0 years remaining
High resistance rotor
Assignee: General Electric Co
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Filing: 1959-12-29
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Granted: 1963-03-26
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Expires: 1979-12-29
Abstract
No abstract record available.
Inventors
- 👤 Richard J Boles
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 14:11
CPC Classifications
H; H02; H02K; H02K17/00; H02K17/02; H02K17/16; H02K17/18; H02K17/20
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
125 words
A HIGH RESISTANCE ROTOR COMPRISING LAMINATIONS ASSEMBLED TO FORM A ROTOR CORE, A WINDING IN SLOTS PROVIDED IN SAID CORE AND INTEGRALLY CONNECTED WITH FAN BLADES AND END RINGS ON OPPOSITE ENDS THEREOF, A CONDUCTOR IN EACH SLOT EXTENDING THE LENGTH OF THE CORE, EACH SAID CONDUCTOR INCLUDING AXIAL PORTIONS ALTERNATELY POSITIONED NEAR THE BORE OF THE ROTOR AND NEAR THE ROTOR SURFACE, THE ENDS OF SAID PORTIONS BEING BRIDGED BY RADIALLY EXTENDING BARS, AND SAID END RINGS INTEGRALLY CONNECTED TO OPPOSITE ENDS OF EACH CONDUCTOR, THE CONDUCTORS IN ADJACENT SLOTS BEING DISPOSED SUCH THAT THE AXIAL PORTIONS IN ONE SLOT ARE DISPLACED IN RADIAL POSITION WITH RESPECT TO THOSE IN AN ADJACENT SLOT, THEREBY PLACING ADJACENT CONDUCTORS 180* OUT OF PHASE AROUND THE CORE.
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) | 1966-03-25 | 1966-09-24 | 1967-03-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-03-25 | 1970-09-24 | 1971-03-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-03-25 | 1974-09-24 | 1975-03-26 | $7700.00 | Window Closed / Lapsed |