US3081412A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Alternator armature teeth
Assignee: LABORDE AND KUPFER
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Filing: 1959-09-30
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Granted: 1963-03-12
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Expires: 1979-09-30
Abstract
No abstract record available.
Inventors
- 👤 Granier Emile
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 10:52
CPC Classifications
H; H02; H02K; H02K1/00; H02K1/06; H02K1/12; H02K1/16; H02K1/165
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
121 words
AN ALTERNATOR COMPRISING A ROTOR INCLUDING OUTWARDLY FACING POLE PIECES AND AN ANNULAR STATOR ENCIRCLING SAID ROTOR AT LEAST IN PART AND INCLUDING A MULTITUDE OF INWARDLY EXTENDING TEETH WHICH ARE GENERALLY RADIALLY DISPOSED AND WHICH DEFINE THEREBETWEEN A MULTITUDE OF RADIALLY DISPOSED OPENINGS, SAID POLE PIECES INCLUDING EXTREMITIES OF A SIZE WHEREBY THE EXTREMITIES OPPOSE A PLURALITY OF SAID TEETH, EACH OF SAID TEETH HAVING AN EXTREMITY PROVIDING A SUBSTANTIALLY GREATER RADIALLY INWARD EXTENT AT THE MEDIAL POSITION THEREOF THAN AT THE PORTIONS THEREOF ADJACENT SAID OPENINGS SO THAT EACH TOOTH DEFINES WITH THE OPPOSED POLE EXTREMITY AN AIR GAP WHICH IS NARROWEST AT THE MEDIAL PORTION OF THE CORRESPONDING TOOTH WHEREBY TO AMELIORATE FLUX CONCENTRATION OF ADJACENT SAID OPENINGS.
Claim 2
Dependent Claim
121 words
AN ALTERNATOR COMPRISING A ROTOR INCLUDING OUTWARDLY FACING POLE PIECES AND AN ANNULAR STATOR ENCIRCLING SAID ROTOR AT LEAST IN PART AND INCLUDING A MULTITUDE OF INWARDLY EXTENDING TEETH WHICH ARE GENERALLY RADIALLY DISPOSED AND WHICH DEFINE THEREBETWEEN A MULTITUDE OF RADIALLY DISPOSED OPENINGS, SAID POLE PIECES INCLUDING EXTREMITIES OF A SIZE WHEREBY THE EXTREMITIES OPPOSE A PLURALITY OF SAID TEETH, EACH OF SAID TEETH HAVING AN EXTREMITY PROVIDING A SUBSTANTIALLY GREATER RADIALLY INWARD EXTENT AT THE MEDIAL POSITION THEREOF THAN AT THE PORTIONS THEREOF ADJACENT SAID OPENINGS SO THAT EACH TOOTH DEFINES WITH THE OPPOSED POLE EXTREMITY AN AIR GAP WHICH IS NARROWEST AT THE MEDIAL PORTION OF THE CORRESPONDING TOOTH WHEREBY TO AMELIORATE FLUX CONCENTRATION OF ADJACENT SAID OPENINGS.
References Cited (Backward Citations)
US1008561A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1966-03-11 | 1966-09-10 | 1967-03-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-03-11 | 1970-09-10 | 1971-03-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-03-11 | 1974-09-10 | 1975-03-12 | $7700.00 | Window Closed / Lapsed |