US3079518A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Alternating current induction motor
Assignee: Individual
•
Filing: 1959-12-22
•
Granted: 1963-02-26
•
Expires: 1979-12-22
Abstract
No abstract record available.
Inventors
- 👤 Monte N Moore
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 23:41
CPC Classifications
H; H02; H02K; H02K16/00; H02K16/02; H02K16/025; H02K7/00; H02K7/10; H02K7/12
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
90 words
IN A SYSTEM FOR CONTROLLING THE SPEED AND TORQUE CHARACTERISTICS OF AN INDUCTION MOTOR INCLUDING AN ARMATURE ROTOR AND A FIELD ESTABLISHING STATOR ASSEMBLY HAVING A ROTATABLE STATOR WINDING AND A FIXED STATOR WINDING COOPERATING THEREWITH TO ESTABLISH A ROTATING FIELD; MEANS FOR OPERATIVELY CONNECTING SAID ARMATURE ROTOR TO A LOAD, ROTOR MEANS FOR MOUNTING SAID ROTATABLE STATOR WINDING IN MECHANICALLY UNLOADED CONDITION, AND MEANS FOR CONTROLLING THE CORE SATURATION OF SAID FIXED STATOR WINDING TO VARY THE FLUX DENSITY OF THE FIELD ESTABLISHED BY SAID FIELD ESTABLISHING STATOR ASSEMBLY.
Claim 2
Dependent Claim
90 words
IN A SYSTEM FOR CONTROLLING THE SPEED AND TORQUE CHARACTERISTICS OF AN INDUCTION MOTOR INCLUDING AN ARMATURE ROTOR AND A FIELD ESTABLISHING STATOR ASSEMBLY HAVING A ROTATABLE STATOR WINDING AND A FIXED STATOR WINDING COOPERATING THEREWITH TO ESTABLISH A ROTATING FIELD; MEANS FOR OPERATIVELY CONNECTING SAID ARMATURE ROTOR TO A LOAD, ROTOR MEANS FOR MOUNTING SAID ROTATABLE STATOR WINDING IN MECHANICALLY UNLOADED CONDITION, AND MEANS FOR CONTROLLING THE CORE SATURATION OF SAID FIXED STATOR WINDING TO VARY THE FLUX DENSITY OF THE FIELD ESTABLISHED BY SAID FIELD ESTABLISHING STATOR ASSEMBLY.
References Cited (Backward Citations)
US2020945A
Cited
US2677256A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1966-02-25 | 1966-08-27 | 1967-02-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-02-25 | 1970-08-27 | 1971-02-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-02-25 | 1974-08-27 | 1975-02-26 | $7700.00 | Window Closed / Lapsed |