US3215877A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Flywheel alternator
Assignee: Motors Liquidation Co
•
Filing: 1960-07-12
•
Granted: 1965-11-02
•
Expires: 1980-07-12
Abstract
No abstract record available.
Inventors
- 👤 Louis J Raver
- 👤 Robert W Campbell
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 15:18
CPC Classifications
H; H02; H02K; H02K19/00; H02K19/16; H02K19/22; H02K19/24; H02K7/00; H02K7/18; H02K7/1807; H02K7/1815
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
93 words
AN ALTERNATING CURRENT GENERATOR COMPRISING, A FIXED FIELD ASSEMBLY INCLUDING A FIELD WINDING, A FIXED STATOR ASSEMBLY POSITIONED INWARDLY FROM SAID FIELD ASSEMBLY AND INCLUDING A STATOR WINDING, AND A ROTOR MEMBER ROTATABLE BETWEEN SAID FIXED FIELD ASSEMBLY AND SAID FIXED STATOR ASSEMBLY, SAID ROTOR MEMBER COMPRISING TWO MAGNETIC MEMBERS FORMED OF BAR STOCK MATERIAL HAVING ALTERNATE CIRCUMFERENTIALLY SPACED NOTCHED-OUT PORTIONS DEFINING INTERLEAVED FINGERS, SAID BAR STOCK MATERIAL HAVING A UNIFORM THICKNESS THROUGHOUT ITS LENGTH, SAID MAGNETIC MEMBERS BEING SUPPORTED AND MAINTAINED SEPERATE BY A NON-MAGNETIC MEMBER WHICH IS SECURED TO SAID FINGERS.
Claim 2
Dependent Claim
93 words
AN ALTERNATING CURRENT GENERATOR COMPRISING, A FIXED FIELD ASSEMBLY INCLUDING A FIELD WINDING, A FIXED STATOR ASSEMBLY POSITIONED INWARDLY FROM SAID FIELD ASSEMBLY AND INCLUDING A STATOR WINDING, AND A ROTOR MEMBER ROTATABLE BETWEEN SAID FIXED FIELD ASSEMBLY AND SAID FIXED STATOR ASSEMBLY, SAID ROTOR MEMBER COMPRISING TWO MAGNETIC MEMBERS FORMED OF BAR STOCK MATERIAL HAVING ALTERNATE CIRCUMFERENTIALLY SPACED NOTCHED-OUT PORTIONS DEFINING INTERLEAVED FINGERS, SAID BAR STOCK MATERIAL HAVING A UNIFORM THICKNESS THROUGHOUT ITS LENGTH, SAID MAGNETIC MEMBERS BEING SUPPORTED AND MAINTAINED SEPERATE BY A NON-MAGNETIC MEMBER WHICH IS SECURED TO SAID FINGERS.
References Cited (Backward Citations)
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1968-11-01 | 1969-05-03 | 1969-11-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-11-01 | 1973-05-03 | 1973-11-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-11-01 | 1977-05-03 | 1977-11-02 | $7700.00 | Window Closed / Lapsed |