Patent US3230434A successfully refreshed from Google Patents.
US3230434A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Motor fitted with hall generator and semiconductor controls
Assignee: General Precision Inc
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Filing: 1962-09-18
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Granted: 1966-01-18
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Expires: 1982-09-18
Abstract
No abstract record available.
Inventors
- 👤 Gerhard H Bauerlein
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 18:15
CPC Classifications
H; H02; H02K; H02K29/00; H02K29/06; H02K29/08
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
327 words
A MOTOR COMPRISING: A RING-LIKE ROTOR FORMED AT LEAST PARTIALLY BY A PLURALITY OF ARCUATE PERMANENT MAGNET POLE SEGMENTS, ALTERNATING IN POLARITY, EACH OF SAID SEGMENTS DEFINING A PRESET ANGLE; A PLURALITY OF OVERLAPPING STATOR COILS POSITIONED ABOUT SAID ROTOR SO AS TO INTERACT WITH THE MAGNETIC FIDLE GENERATED, EACH COIL HAVING A SET OF TURNS, THE INDIVIDUAL TURNS OF WHICH SPAN AN ANGLE IN THE PATH OF ROTATION, THE ANGLE SPANNED BY EACH OF SAID TURNS, NOT EXCEEDING SAID PRESET ANGLE, THE TURNS IN EACH SAME SET BEING ANGULARLY DISPLACED FROM THE ADJACENT TURNS IN THE SAME SET BY ABOUT SAID PRESET ANGLE, AND BEING ANGULARLY OFFSET FROM CORRESPONDING TURNS IN ONE OF THE OTHER COILS BY A FRACTION OF SAID PRESET ANGLE, THE NUMBER OF SAID COILS CORRESPONDING TO THE DENOMINATOR OF SAID FRACTION; A HALL GENERATOR CORRESPONDING TO EACH OF SAID COILS DISPOSED ABOUT THE AXIS OF SAID RATOR SO AS TO BE ACTED ON BY THE MAGNETIC FIELD GENERATED BY SAID PERMANENT MAGNET POLE SEGMENTS TO PRODUCE AN OUTPUT VOLTAGE DROP ACROSS SAID HALL GENERATOR HAVING A POLARITY DEPENDING ON THE POLARITY OF THE PARTICULAR ROTOR POLE SEGMENT ACTING THEREON AT SOME PARTICULAR INSTANT, EACH HALL GENERATOR BEING DISPLACED FROM THE NEAREST TURN OF ITS CORREPONSING COIL BY SAID FRACTION OF SAID PRESET ANGLE, AND, ELECTRICAL MEANS INTERPOSED BETWEEN SAID HALL GENERATOR AND ITS CORRESPONDING COIL TO INDUCE A VOLTAGE THROUGH SAID COIL TURNS FORMING A MAGNETIC FIELD OPPOSITE IN POLARITY TO THE POLE SEGMENT CAUSING THE OUTPUT VOLTAGE ACROSS SAID HALL GENERATOR, WHEREBY, AS A ROTOR POLE SEGMENT PASSES OVER A HALL GENERATOR, A MAGNETIC FIELD OF OPPOSITE POLARITY IS GENERATED IN THE STATOR TURN LOCATED AT SAID FRACTION OF SAID PRESET ANGLE AWAY FROM THE INSTANTANEOUS POSITION OF SAID ROTOR POLE SEGMENT, ATTRACTING SAID ROTOR POLE SEGMENT THERETO, SAID GENERATED FIELD IN SAID OVERLAPPING TURNS MOVING FROM COIL TO COIL IN ADVANCE OF SAID ROTOR SEGMENT POLES AS SAID ROTOR MOVES.
Claim 2
Dependent Claim
327 words
A MOTOR COMPRISING: A RING-LIKE ROTOR FORMED AT LEAST PARTIALLY BY A PLURALITY OF ARCUATE PERMANENT MAGNET POLE SEGMENTS, ALTERNATING IN POLARITY, EACH OF SAID SEGMENTS DEFINING A PRESET ANGLE; A PLURALITY OF OVERLAPPING STATOR COILS POSITIONED ABOUT SAID ROTOR SO AS TO INTERACT WITH THE MAGNETIC FIDLE GENERATED, EACH COIL HAVING A SET OF TURNS, THE INDIVIDUAL TURNS OF WHICH SPAN AN ANGLE IN THE PATH OF ROTATION, THE ANGLE SPANNED BY EACH OF SAID TURNS, NOT EXCEEDING SAID PRESET ANGLE, THE TURNS IN EACH SAME SET BEING ANGULARLY DISPLACED FROM THE ADJACENT TURNS IN THE SAME SET BY ABOUT SAID PRESET ANGLE, AND BEING ANGULARLY OFFSET FROM CORRESPONDING TURNS IN ONE OF THE OTHER COILS BY A FRACTION OF SAID PRESET ANGLE, THE NUMBER OF SAID COILS CORRESPONDING TO THE DENOMINATOR OF SAID FRACTION; A HALL GENERATOR CORRESPONDING TO EACH OF SAID COILS DISPOSED ABOUT THE AXIS OF SAID RATOR SO AS TO BE ACTED ON BY THE MAGNETIC FIELD GENERATED BY SAID PERMANENT MAGNET POLE SEGMENTS TO PRODUCE AN OUTPUT VOLTAGE DROP ACROSS SAID HALL GENERATOR HAVING A POLARITY DEPENDING ON THE POLARITY OF THE PARTICULAR ROTOR POLE SEGMENT ACTING THEREON AT SOME PARTICULAR INSTANT, EACH HALL GENERATOR BEING DISPLACED FROM THE NEAREST TURN OF ITS CORREPONSING COIL BY SAID FRACTION OF SAID PRESET ANGLE, AND, ELECTRICAL MEANS INTERPOSED BETWEEN SAID HALL GENERATOR AND ITS CORRESPONDING COIL TO INDUCE A VOLTAGE THROUGH SAID COIL TURNS FORMING A MAGNETIC FIELD OPPOSITE IN POLARITY TO THE POLE SEGMENT CAUSING THE OUTPUT VOLTAGE ACROSS SAID HALL GENERATOR, WHEREBY, AS A ROTOR POLE SEGMENT PASSES OVER A HALL GENERATOR, A MAGNETIC FIELD OF OPPOSITE POLARITY IS GENERATED IN THE STATOR TURN LOCATED AT SAID FRACTION OF SAID PRESET ANGLE AWAY FROM THE INSTANTANEOUS POSITION OF SAID ROTOR POLE SEGMENT, ATTRACTING SAID ROTOR POLE SEGMENT THERETO, SAID GENERATED FIELD IN SAID OVERLAPPING TURNS MOVING FROM COIL TO COIL IN ADVANCE OF SAID ROTOR SEGMENT POLES AS SAID ROTOR MOVES.
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) | 1969-01-17 | 1969-07-19 | 1970-01-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-01-17 | 1973-07-19 | 1974-01-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-01-17 | 1977-07-19 | 1978-01-18 | $7700.00 | Window Closed / Lapsed |