Axial fan motor
AssigneeMINEBEA MITSUMI Inc.
InventorsToshikazu Koshiba, Tomoyuki Suzuki, Yuji Omura, Mitsuhiko Takahashi, Hiroyuki Kato
Life of this patent
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Abstract
To provide an axial fan motor increasing the mounting area of a circuit board and further improving heat dissipation as compared with the axial fan motor in the related art. A fan device as an axial fan motor includes: a casing having a hollow tubular shape and provided with an intake opening at one end in an axial direction and an exhaust opening at another end in the axial direction; an impeller including a plurality of blades and accommodated in the casing; a motor accommodated in the casing and configured to rotate the impeller; and a plurality of circuit boards arranged along the axial direction at a side close to exhaust opening in the casing.
Claims14
An axial fan motor, comprising:
- a casing having a hollow tubular shape and provided with an intake opening at one end in an axial direction and an exhaust opening at another end in the axial direction;
- an impeller accommodated in the casing and including a plurality of blades;
- a motor accommodated in the casing and configured to rotate the impeller;
- and
- a plurality of circuit boards arranged along the axial direction at a side by the exhaust opening in the casing,
- wherein at least two circuit boards to be combined with each other among the plurality of circuit boards are provided with a slit, and
- a through-hole is formed around the slit.
Dependencies are inferred from the claim text.