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US3230434A Expired / Lapsed US ⏱️ 0.0 years remaining

Motor fitted with hall generator and semiconductor controls

Assignee: General Precision Inc
•
Filing: 1962-09-18
•
Granted: 1966-01-18
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Expires: 1982-09-18
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Abstract

No abstract record available.

Inventors

  • 👤 Gerhard H Bauerlein

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-23 08:00
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)

US2512325A Cited
US3025443A Cited
US3159777A Cited

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

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