Patent US3431444A successfully refreshed from Google Patents.
US3431444A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Generator
Assignee: CURTIS L WILSON
•
Filing: 1966-12-14
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Granted: 1969-03-04
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Expires: 1986-12-14
Abstract
No abstract record available.
Inventors
- 👤 Curtis L Wilson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 20:44
CPC Classifications
H; H02; H02K; H02K21/00; H02K21/02; H02K21/021; H02K21/028; H02K21/38
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
232 words
AN ELECTRIC GENERATOR COMPRISING IN COMBINATION A HOUSING CONSISTING OF A CYLINDRICAL MEMBER, A FIRST END CAP OF MAGNETIC MATERIAL PROVIDED WITH A CENTRAL PERFORATION AFFIXED TO ONE END OF SAID CYLINDRICAL MEMBER, FIRST BEARING MEANS AFFIXED IN SAID PERFORATION, A SECOND END CAP AFFIXED TO ANOTHER END OF SAID CYLINDRICAL MEMBER HAVING A THREADED BOSS FORMED CENTRALLY THEREON AND EXTENDING EXTERIORLY THEREOF, SECOND BEARING MEANS SUPPORTED BY SAID SECOND END CAP WITHIN SAID HOUSING AND IN ALIGNMENT WITH SAID FIRST BEARING MEANS, OPPOSITELY DISPOSED ARCUATE SLOTS FORMED IN SAID SECOND END CAP, A USHAPED PERMANENT MAGNET ROTATABLY MOUNTED ON SAID THREADED BASE WITH ITS TWO LEGS PASSING THROUGH SAID ARCUATE SLOTS INTO INTERIOR OF SAID HOUSING, A FIRST FIELD COIL IN SAID HOUSING AFFIXED TO SAID FIRST END CAP AND SPACED FROM AND IN ALIGNMENT WITH ONE OF SAID LEGS, A SECOND FIELD COIL IN SAID HOUSING AFFIXED TO SAID FIRST END CAP AND SPACED FROM AND IN ALIGNMENT WITH THE OTHER OF SAID LEGS, A SHAFT ROTATIONALLY MOUNTED IN SAID BEARINGS HAVING ONE END EXTENDING EXTERIORLY OF SAID FIRST END CAP TO WHICH DRIVING POWER IS APPLIED, A METALLIC DISC PROVIDED WITTH RADIAL SLOTS MOUNTED ON SAID SHAFT FOR ROTATION BETWEEN SAID LEGS AND SAID FIELD COILS, SAID DISC UPON ROTATION CHOPPING THE FLUX LINKING SAID LEGS AND SAID FIELD COILS WHEREBY A VOLTAGE IS INDUCED IN SAID FIELD COILS.
Claim 2
Dependent Claim
232 words
AN ELECTRIC GENERATOR COMPRISING IN COMBINATION A HOUSING CONSISTING OF A CYLINDRICAL MEMBER, A FIRST END CAP OF MAGNETIC MATERIAL PROVIDED WITH A CENTRAL PERFORATION AFFIXED TO ONE END OF SAID CYLINDRICAL MEMBER, FIRST BEARING MEANS AFFIXED IN SAID PERFORATION, A SECOND END CAP AFFIXED TO ANOTHER END OF SAID CYLINDRICAL MEMBER HAVING A THREADED BOSS FORMED CENTRALLY THEREON AND EXTENDING EXTERIORLY THEREOF, SECOND BEARING MEANS SUPPORTED BY SAID SECOND END CAP WITHIN SAID HOUSING AND IN ALIGNMENT WITH SAID FIRST BEARING MEANS, OPPOSITELY DISPOSED ARCUATE SLOTS FORMED IN SAID SECOND END CAP, A USHAPED PERMANENT MAGNET ROTATABLY MOUNTED ON SAID THREADED BASE WITH ITS TWO LEGS PASSING THROUGH SAID ARCUATE SLOTS INTO INTERIOR OF SAID HOUSING, A FIRST FIELD COIL IN SAID HOUSING AFFIXED TO SAID FIRST END CAP AND SPACED FROM AND IN ALIGNMENT WITH ONE OF SAID LEGS, A SECOND FIELD COIL IN SAID HOUSING AFFIXED TO SAID FIRST END CAP AND SPACED FROM AND IN ALIGNMENT WITH THE OTHER OF SAID LEGS, A SHAFT ROTATIONALLY MOUNTED IN SAID BEARINGS HAVING ONE END EXTENDING EXTERIORLY OF SAID FIRST END CAP TO WHICH DRIVING POWER IS APPLIED, A METALLIC DISC PROVIDED WITTH RADIAL SLOTS MOUNTED ON SAID SHAFT FOR ROTATION BETWEEN SAID LEGS AND SAID FIELD COILS, SAID DISC UPON ROTATION CHOPPING THE FLUX LINKING SAID LEGS AND SAID FIELD COILS WHEREBY A VOLTAGE IS INDUCED IN SAID FIELD COILS.
References Cited (Backward Citations)
US1401883A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-03-03 | 1972-09-02 | 1973-03-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-03-03 | 1976-09-02 | 1977-03-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-03-03 | 1980-09-02 | 1981-03-04 | $7700.00 | Window Closed / Lapsed |