US3088044A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Subsynchronous timing motor
Assignee: General Electric Co
•
Filing: 1961-07-21
•
Granted: 1963-04-30
•
Expires: 1981-07-21
Abstract
No abstract record available.
Inventors
- 👤 Wesley R Goss
- 👤 Fred W Suhr
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 17:22
CPC Classifications
G; G04; G04C; G04C15/00; H; H02; H02K; H02K21/00; H02K21/12; H02K21/14; H02K21/18; H02K21/185
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
114 words
IN AN ELECTRIC MOTOR, A ROTOR COMPRISING A PAIR OF CONCENTRICALLY MOUNTED AXIALLY SPACED POLE PIECES, A PERMANENT MAGNET BETWEEN SAID POLE PIECES FOR EXCITING SAID POLE PIECES, EACH OF SAID POLE PIECES HAVING A PLURALITY OF SPACED AXIALLY EXTENDING TEETH, WITH THE TEETH ON ONE POLE PIECE EXTENDING INTO THE SPACES BETWEEN THE TEETH OF THE OTHER POLE PIECE THEREBY TO FORM A PLURALITY OF SPACED POLES OF ALTERNATE POLARITY, AND A STARTING WINDING FORMED AROUND SAID TEETH AND INCLUDING AN END RING ON EACH SIDE OF THE ROTOR, EACH OF SAID END RINGS INCLUDING A PLURALITY OF GAPS LOCATED RESPECTIVELY AT THE ENDS OF THE TEETH PROTRUDING FROM THE OPPOSITE POLE PIECE.
Claim 2
Dependent Claim
114 words
IN AN ELECTRIC MOTOR, A ROTOR COMPRISING A PAIR OF CONCENTRICALLY MOUNTED AXIALLY SPACED POLE PIECES, A PERMANENT MAGNET BETWEEN SAID POLE PIECES FOR EXCITING SAID POLE PIECES, EACH OF SAID POLE PIECES HAVING A PLURALITY OF SPACED AXIALLY EXTENDING TEETH, WITH THE TEETH ON ONE POLE PIECE EXTENDING INTO THE SPACES BETWEEN THE TEETH OF THE OTHER POLE PIECE THEREBY TO FORM A PLURALITY OF SPACED POLES OF ALTERNATE POLARITY, AND A STARTING WINDING FORMED AROUND SAID TEETH AND INCLUDING AN END RING ON EACH SIDE OF THE ROTOR, EACH OF SAID END RINGS INCLUDING A PLURALITY OF GAPS LOCATED RESPECTIVELY AT THE ENDS OF THE TEETH PROTRUDING FROM THE OPPOSITE POLE PIECE.
References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1966-04-29 | 1966-10-29 | 1967-04-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-04-29 | 1970-10-29 | 1971-04-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-04-29 | 1974-10-29 | 1975-04-30 | $7700.00 | Window Closed / Lapsed |