US3158750A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Energy storage device
Assignee: General Dynamics Corp
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Filing: 1961-02-10
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Granted: 1964-11-24
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Expires: 1981-02-10
Abstract
No abstract record available.
Inventors
- 👤 John B Roes
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 12:50
CPC Classifications
F; F16; F16H; F16H33/00; F16H33/02; F16H2706/00; Y; Y10; Y10T; Y10T74/00; Y10T74/12
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
188 words
AN ENERGY STORAGE DEVICE COMPRISING A FRAME, A PAIR OF ROTORS, MEANS ON SAID FRAME FOR ROTATABLY SUPPORTING SAID ROTORS IN COAXIAL RELATIONSHIP, MAGNETIC MEANS CARRIED BY EACH ROTOR FOR ESTABLISHING A SERIES OF MAGNETIC FIELDS, A PAIR OF SYNCHRONOUS ARMATURE WINDINGS ON SAID FRAME, ONE OF SAID SYNCHRONOUS AMRMATURE WINDINGS BEING DISPOSED IN THE MAGNETIC FIELDS OF ONE OF SAID ROTORS, AND THE OTHER OF SAID WINDINGS BEING DISPOSED IN THE MAGNETIC FIELDS OF THE OTHER ROTOR, COUPLING MEANS CONNECTED TO SAID ARMATURE WINDINGS FOR SUPPLYING ALTERNATING CURRENT THERETO AND RECEIVING ALTERNATING CURRENT THEREFROM, MEANS CONNECTED TO SAID COUPLING MEANS FOR SUPPLYING ALTERNATING CURRENT THERETO UNDER A FIRST SET OF CONDITIONS AND THEREBY ROTATING SAID ROTORS AT AN ANGULAR VELOCITY DETERMINED BY THE FREQUENCY OF THE ALTERNATING CURRENT, MEANS COUPLED TO SAID SUPPLYING MEANS AND RESPONSIVE TO THE ANGULAR VELOCITY OF SAID ROTORS FOR GRADUALLY INCREASING THE FREQUENCY WHEN SAID FREQUENCY IS BELOW A PREDETERMINED MAXIMUM, THE ARMATURE WINDINGS BEING CONNECTED SO THAT THE ROTORS ROTATE IN OPPOSITE DIRECTIONS, AND MEANS CONNECTED TO SAID COUPLING MEANS FOR RECEIVING ALTERNATING CURRENT THEREFROM UNDER A SECOND SET OF CONDITIONS.
Claim 2
Dependent Claim
188 words
AN ENERGY STORAGE DEVICE COMPRISING A FRAME, A PAIR OF ROTORS, MEANS ON SAID FRAME FOR ROTATABLY SUPPORTING SAID ROTORS IN COAXIAL RELATIONSHIP, MAGNETIC MEANS CARRIED BY EACH ROTOR FOR ESTABLISHING A SERIES OF MAGNETIC FIELDS, A PAIR OF SYNCHRONOUS ARMATURE WINDINGS ON SAID FRAME, ONE OF SAID SYNCHRONOUS AMRMATURE WINDINGS BEING DISPOSED IN THE MAGNETIC FIELDS OF ONE OF SAID ROTORS, AND THE OTHER OF SAID WINDINGS BEING DISPOSED IN THE MAGNETIC FIELDS OF THE OTHER ROTOR, COUPLING MEANS CONNECTED TO SAID ARMATURE WINDINGS FOR SUPPLYING ALTERNATING CURRENT THERETO AND RECEIVING ALTERNATING CURRENT THEREFROM, MEANS CONNECTED TO SAID COUPLING MEANS FOR SUPPLYING ALTERNATING CURRENT THERETO UNDER A FIRST SET OF CONDITIONS AND THEREBY ROTATING SAID ROTORS AT AN ANGULAR VELOCITY DETERMINED BY THE FREQUENCY OF THE ALTERNATING CURRENT, MEANS COUPLED TO SAID SUPPLYING MEANS AND RESPONSIVE TO THE ANGULAR VELOCITY OF SAID ROTORS FOR GRADUALLY INCREASING THE FREQUENCY WHEN SAID FREQUENCY IS BELOW A PREDETERMINED MAXIMUM, THE ARMATURE WINDINGS BEING CONNECTED SO THAT THE ROTORS ROTATE IN OPPOSITE DIRECTIONS, AND MEANS CONNECTED TO SAID COUPLING MEANS FOR RECEIVING ALTERNATING CURRENT THEREFROM UNDER A SECOND SET OF CONDITIONS.
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) | 1967-11-24 | 1968-05-25 | 1968-11-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-11-24 | 1972-05-25 | 1972-11-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-11-24 | 1976-05-25 | 1976-11-24 | $7700.00 | Window Closed / Lapsed |