Patent US4769257A successfully refreshed from Google Patents.
Patent US3233132A successfully refreshed from Google Patents.
US3233132A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Inductor alternator
Assignee: RE Phelon Co Inc
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Filing: 1962-03-28
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Granted: 1966-02-01
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Expires: 1982-03-28
Abstract
No abstract record available.
Inventors
- 👤 Stanley M Terry
- 👤 Bob O Burson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 20:19
CPC Classifications
H; H02; H02K; H02K19/00; H02K19/16; H02K19/18; H02K19/20
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
229 words
IN AN INDUCTOR ALTENATOR, THE COMBINATION COMPRISING AN ANNULAR STATOR STRUCTURE HAVING A CENTRAL AXIS AND DEFINING TWO AXIALLY SPACED ANNULAR SERIES OF CIRCUMFERENTIALLY SPACED ARMATURE POLES, SAID TWO SERIES HAVING AN EQUAL NUMBER OF EQUALLY ANGULARLY SPACED POLES WITH EACH POLE OF ONE SERIES BEING LATERALLY ALIGNED WITH A CORRESPONDING POLE OF THE OTHER SERIES AND SAID POLES OF BOTH SERIES HAVING POLE FACES OF SUBSTANTIALLY UNIFORM CIRCUMAXIAL LENGTH, SAID STATOR STRUCTURE ALSO INCLUDING MEANS DEFINING A LOW RELUCTANCE PATH FOR THE FLOW OF MAGNETIC FLUX BETWEEN THE INNER ENDS OF THE POLES OF ONE OF SAID SERIES AND THE INNER ENDS OF THE POLES OF THE OTHER OF SAID SERIES, AN ANNULAR FIELD COIL LOCATED BETWEEN SAID TWO SERIES OF POLES FOR ESTABLISHING A MAGNETIC FLUX FIELD IN SAID STATOR STRUCTURE, A ROTOR ADAPTED FOR ROTATION ABOUT SAID CENTRAL AXIS AND HAVING AN ANNULAR PORTION WHICH MOVES CIRCUMAXIALLY ALONG SAID TWO SERIES OF ARMATURE POLES AS SAID ROTOR IS ROTATED AND WHICH ROTOR PORTION INCLUDES A PLURALITY OF EQUALLY ANGULARLY SPACED AND AXIALLY EXTENDING BRIDGING ELEMENTS OF MAGNETIC MATERIAL WHICH ELEMENTS AXIALLY BRIDGE THE SPACE BETWEEN SAID TWO SERIES OF POLES AND THEREBY VARY THE FLUX PASSING THROUGH EACH PAIR OF LATERALLY ADJACENT POLES AS SAID ELEMENTS ARE IN SUCCESSION BROUGHT INTO AND OUT OF BRIDGING RELATIONSHIP WITH SUCH POLES BY ROTATION OF SAID ROTOR, SAID BRIDGING
Claim 2
Dependent Claim
229 words
IN AN INDUCTOR ALTENATOR, THE COMBINATION COMPRISING AN ANNULAR STATOR STRUCTURE HAVING A CENTRAL AXIS AND DEFINING TWO AXIALLY SPACED ANNULAR SERIES OF CIRCUMFERENTIALLY SPACED ARMATURE POLES, SAID TWO SERIES HAVING AN EQUAL NUMBER OF EQUALLY ANGULARLY SPACED POLES WITH EACH POLE OF ONE SERIES BEING LATERALLY ALIGNED WITH A CORRESPONDING POLE OF THE OTHER SERIES AND SAID POLES OF BOTH SERIES HAVING POLE FACES OF SUBSTANTIALLY UNIFORM CIRCUMAXIAL LENGTH, SAID STATOR STRUCTURE ALSO INCLUDING MEANS DEFINING A LOW RELUCTANCE PATH FOR THE FLOW OF MAGNETIC FLUX BETWEEN THE INNER ENDS OF THE POLES OF ONE OF SAID SERIES AND THE INNER ENDS OF THE POLES OF THE OTHER OF SAID SERIES, AN ANNULAR FIELD COIL LOCATED BETWEEN SAID TWO SERIES OF POLES FOR ESTABLISHING A MAGNETIC FLUX FIELD IN SAID STATOR STRUCTURE, A ROTOR ADAPTED FOR ROTATION ABOUT SAID CENTRAL AXIS AND HAVING AN ANNULAR PORTION WHICH MOVES CIRCUMAXIALLY ALONG SAID TWO SERIES OF ARMATURE POLES AS SAID ROTOR IS ROTATED AND WHICH ROTOR PORTION INCLUDES A PLURALITY OF EQUALLY ANGULARLY SPACED AND AXIALLY EXTENDING BRIDGING ELEMENTS OF MAGNETIC MATERIAL WHICH ELEMENTS AXIALLY BRIDGE THE SPACE BETWEEN SAID TWO SERIES OF POLES AND THEREBY VARY THE FLUX PASSING THROUGH EACH PAIR OF LATERALLY ADJACENT POLES AS SAID ELEMENTS ARE IN SUCCESSION BROUGHT INTO AND OUT OF BRIDGING RELATIONSHIP WITH SUCH POLES BY ROTATION OF SAID ROTOR, SAID BRIDGING
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) | 1969-01-31 | 1969-08-02 | 1970-02-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-01-31 | 1973-08-02 | 1974-02-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-01-31 | 1977-08-02 | 1978-02-01 | $7700.00 | Window Closed / Lapsed |