WO2004112218A3 - Improved axial flux motor with active flux shaping - Google Patents

Improved axial flux motor with active flux shaping Download PDF

Info

Publication number
WO2004112218A3
WO2004112218A3 PCT/US2004/017521 US2004017521W WO2004112218A3 WO 2004112218 A3 WO2004112218 A3 WO 2004112218A3 US 2004017521 W US2004017521 W US 2004017521W WO 2004112218 A3 WO2004112218 A3 WO 2004112218A3
Authority
WO
WIPO (PCT)
Prior art keywords
disk
corrugations
shaping
magnets
flux
Prior art date
Application number
PCT/US2004/017521
Other languages
French (fr)
Other versions
WO2004112218A2 (en
Inventor
Kevin J Chiarenza
Original Assignee
Kevin J Chiarenza
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Priority claimed from US10/457,318 external-priority patent/US6841916B2/en
Priority claimed from US10/811,363 external-priority patent/US6897595B1/en
Application filed by Kevin J Chiarenza filed Critical Kevin J Chiarenza
Publication of WO2004112218A2 publication Critical patent/WO2004112218A2/en
Publication of WO2004112218A3 publication Critical patent/WO2004112218A3/en

Links

Classifications

    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02K—DYNAMO-ELECTRIC MACHINES
    • H02K21/00—Synchronous motors having permanent magnets; Synchronous generators having permanent magnets
    • H02K21/12—Synchronous motors having permanent magnets; Synchronous generators having permanent magnets with stationary armatures and rotating magnets
    • H02K21/14—Synchronous motors having permanent magnets; Synchronous generators having permanent magnets with stationary armatures and rotating magnets with magnets rotating within the armatures
    • H02K21/145—Synchronous motors having permanent magnets; Synchronous generators having permanent magnets with stationary armatures and rotating magnets with magnets rotating within the armatures having an annular armature coil
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02K—DYNAMO-ELECTRIC MACHINES
    • H02K21/00—Synchronous motors having permanent magnets; Synchronous generators having permanent magnets
    • H02K21/12—Synchronous motors having permanent magnets; Synchronous generators having permanent magnets with stationary armatures and rotating magnets
    • H02K21/24—Synchronous motors having permanent magnets; Synchronous generators having permanent magnets with stationary armatures and rotating magnets with magnets axially facing the armatures, e.g. hub-type cycle dynamos

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Iron Core Of Rotating Electric Machines (AREA)
  • Permanent Magnet Type Synchronous Machine (AREA)

Abstract

An improved electric motor design wherein the interior surface of the stator has a plurality of corrugations intersected by annular grooves formed therein and a corresponding number of rotor disks having permanent magnets secured to their outer surface, the permanent magnets being positioned to rotate within the grooves, the magnets alternate in polarity about each disk as well as being offset about the circumference from disk to disk so that one disk set will align with the pole face created by the intersection of the corrugations and the adjacent annular grooves and the other disk will be offset from the corrugations and pole faces. Alternately energizing coils positioned within a plurality of notches formed in the outer surface of the stator with alternating current causes the magnets and their associated disks to reposition themselves in a manner that causes the motor shaft to rotate as well as shaping the core flux field for more efficient use, thereby increasing motor torque.
PCT/US2004/017521 2003-06-10 2004-06-03 Improved axial flux motor with active flux shaping WO2004112218A2 (en)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
US10/457,318 US6841916B2 (en) 2003-06-10 2003-06-10 Axial flux electromotive generator having rotor magnets and shaped core assembly
US10/457,318 2003-06-10
US10/811,363 US6897595B1 (en) 2004-03-29 2004-03-29 Axial flux motor with active flux shaping
US10/811,363 2004-03-29

Publications (2)

Publication Number Publication Date
WO2004112218A2 WO2004112218A2 (en) 2004-12-23
WO2004112218A3 true WO2004112218A3 (en) 2005-05-12

Family

ID=33555073

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/US2004/017521 WO2004112218A2 (en) 2003-06-10 2004-06-03 Improved axial flux motor with active flux shaping

Country Status (1)

Country Link
WO (1) WO2004112218A2 (en)

Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1863294A (en) * 1928-04-14 1932-06-14 William A Weaver Electric motor
US3700942A (en) * 1971-02-03 1972-10-24 Max Alth Self-starting synchronous motors
US3762042A (en) * 1971-06-17 1973-10-02 Tokai Cold Forming Co Ltd Method of manufacturing a core segment for a disc type induction motor rotor
US4358693A (en) * 1981-06-15 1982-11-09 Charles L. Palmer Permanent magnet motor
US4371801A (en) * 1978-10-11 1983-02-01 General Electric Company Method and apparatus for output regulation of multiple disk permanent magnet machines
US5977684A (en) * 1998-06-12 1999-11-02 Lin; Ted T. Rotating machine configurable as true DC generator or motor
US6552460B2 (en) * 2001-03-08 2003-04-22 Motile, Inc. Brushless electro-mechanical machine
US6750588B1 (en) * 2002-06-03 2004-06-15 Christopher W. Gabrys High performance axial gap alternator motor

Patent Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1863294A (en) * 1928-04-14 1932-06-14 William A Weaver Electric motor
US3700942A (en) * 1971-02-03 1972-10-24 Max Alth Self-starting synchronous motors
US3762042A (en) * 1971-06-17 1973-10-02 Tokai Cold Forming Co Ltd Method of manufacturing a core segment for a disc type induction motor rotor
US4371801A (en) * 1978-10-11 1983-02-01 General Electric Company Method and apparatus for output regulation of multiple disk permanent magnet machines
US4358693A (en) * 1981-06-15 1982-11-09 Charles L. Palmer Permanent magnet motor
US5977684A (en) * 1998-06-12 1999-11-02 Lin; Ted T. Rotating machine configurable as true DC generator or motor
US6552460B2 (en) * 2001-03-08 2003-04-22 Motile, Inc. Brushless electro-mechanical machine
US6750588B1 (en) * 2002-06-03 2004-06-15 Christopher W. Gabrys High performance axial gap alternator motor

Also Published As

Publication number Publication date
WO2004112218A2 (en) 2004-12-23

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