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US 12,698,779 B2Granted
Fan device for radiator
AssigneeMahle International GmbH
InventorsSebastian Dienst, Yujiro Sugiyama, Ryosuke Suzuki, Yoshio Matsukawa, Namgyu Han, Kenzo Yoshida
Life of this patent
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Abstract
A radiator fan device may include a fan, a motor connected to the fan, and a shroud overlying the fan and the motor. The fan may include a hub and a plurality of blades projecting from the hub. The motor may be configured to rotationally drive the fan. The shroud may integrally include a shroud body overlying the fan and the motor and/or a motor anchor part securing the motor to the shroud.
Claims19
A radiator fan device, comprising:
- a fan including a hub and a plurality of blades projecting from the hub;
- a motor connected to the fan and configured to rotationally drive the fan, the motor including:
- a stator including a stator core, the stator core including a bearing retention hole;
- a rotational axis disposed in the bearing retention hole to which the fan is mounted and rotatably supporting the rotational axis relative to the stator core;
- and
- a plurality of bearings arranged within the bearing retention hole;
- and
- a shroud overlying the fan and the motor;
- wherein the shroud integrally includes:
- a shroud body overlying the fan and the motor;
- and
- a motor anchor part securing the motor to the shroud;
- wherein the motor anchor part includes an annular projection protruding into the bearing retention hole and engaging the stator core;
- and
- wherein the annular projection is offset from the plurality of bearings in an axial direction.
12 more elements
A radiator fan device, comprising:
- a fan including a hub and a plurality of blades projecting from the hub;
- a motor configured to rotationally drive the fan, the motor connected to the fan and at least partially arranged in the hub;
- and
- a shroud including:
- a shroud body overlying the fan and the motor;
- a motor anchor part engaged with the motor and securing the motor to the shroud;
- and
- an opening through which at least a portion of the motor is passable;
- wherein the opening of the shroud includes a tapered portion and an untapered portion;
- wherein the motor includes:
- a stator including a stator core, the stator core including a bearing retention hole;
- a rotational axis disposed in the bearing retention hole to which the fan is mounted;
- and
- a pair of bearings arranged within the bearing retention hole and rotatably supporting the rotational axis relative to the stator core;
- and
- wherein the motor anchor part includes an annular projection engaged with the stator core and disposed offset from the pair of bearings in an axial direction.
13 more elements
Dependencies are inferred from the claim text.