Rotary electric machine with a stator core with teeth having different protrusion portions heights
AssigneeHonda Motor Co., Ltd.
InventorsYoshihisa Kubota, Yuta Ito
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AssigneeHonda Motor Co., Ltd.
InventorsYoshihisa Kubota, Yuta Ito
Estimating the term…
A stator core for a rotary electric machine is provided, which includes core members stacked and formed annularly so as to surround a rotor, each core member including a plurality of slots extending from one end to another end in a shaft direction and teeth formed between the slots. A whole of the teeth includes a first teeth section including, at a tip on an inner periphery side of each core member, each tooth including a first protrusion portion and a second protrusion portion with a lower protrusion height than the first protrusion portion protruding in a circumferential direction of each core member and a second teeth section including a pair of the first protrusion portions and/or a pair of the second protrusion portions.
A stator core for a rotary electric machine, comprising core members stacked and formed annularly so as to surround a rotor, each core member comprising a plurality of slots extending from one end to another end in a shaft direction and teeth formed between the slots, wherein a whole of the teeth includes a first teeth section comprising teeth successively arranged in a circumferential direction of each core member, and at a tip on an inner periphery side of each core member, each tooth of the first teeth section comprises a first protrusion portion and a second protrusion portion with a lower protrusion height than the first protrusion portion protruding in a circumferential direction of each core member, and a second teeth section comprising teeth, each tooth of the second teeth section comprising a pair of the first protrusion portions acid/or a pair of the second protrusion portions, wherein each of the core members comprises a plurality of punched thin steel sheets, each having a burr portion and a sagging portion and being layered in the shaft direction, and wherein first and second of the core members are stacked such that the burr portions of the first and second of the core members are arranged oppositely in the shaft directions.
Dependencies are inferred from the claim text.