Flat type rotary electric machine
AssigneeNippondenso Co., Ltd.
InventorsKenji Kanayama, Shuzo Kinkori
Life of this patent
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Abstract
A flat type rotary electric machine has a flat stator armature coil and two rotors having magnets disposed in opposite relationship to the coil. The flat coil is formed by an annular carrier member of an insulating material and windings carried thereby. The windings are formed by a plurality of layers of annular rows of generally radially extending and axially thin conductor segments each having radially inner and outer end sections and an intermediate effective section axially aligned with magnets on an associated rotor during rotation thereof. The axial thickness of the effective section of each of the conductor segments of the outermost layers is smaller than the axial thickness of the effective section of each of the conductor segments of inner layers.
Claims4
A flat type rotary electric machine including:
- a generally annular and flat stator armature coil defining therein a central opening;
- a shaft rotatably extending through said central opening;
- and
- a pair of rotors mounted on said shaft for rotation therewith and disposed on the opposite sides of said armature coil;
- said rotors having permanent magnet means disposed in opposite relationship to the annular faces of said armature coil;
- said armature coil comprising:
- an annular carrier member of an electrically insulating material and windings carried by said carrier member;
- said windings being formed by a plurality of layers of annular rows of generally radially extending and axially thin conductors each having radially inner and outer end sections and an intermediate effective section;
- the axial thickness of at least the effective section of each of the conductors of the outermost layers being smaller than the axial thickness of the effective section of each of the conductors of inner layers.
Dependencies are inferred from the claim text.