Fan, motor and oil sealing structure thereof
AssigneeDelta Electronics, Inc.
InventorsYue-Fei Li, Ying-Xi Hu, Dung-Chang Yeh, Yung-Ping Lin
Life of this patent
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Abstract
An oil sealing structure of a motor includes a cover and at least one sealing element. The motor has a shaft, a fluid bearing and a bushing. The fluid bearing mounts to the shaft and is accommodated in the bushing. The cover is disposed around the shaft and is connected with an opening of the bushing. The sealing element is disposed around the shaft and between the fluid bearing and the cover. A fan and a motor including the above-mentioned oil sealing structure are also disclosed.
Claims20
An oil sealing structure applied to a motor, the motor having a shaft, a fluid bearing and a bushing, and the fluid bearing mounting the shaft and being accommodated in the bushing, the oil sealing structure comprising:
- a cover disposed around the shaft and connected to one end of the bushing, wherein the cover has a trench;
- and
- at least one sealing element disposed around the shaft and between the fluid bearing and the cover, wherein the sealing element is partially accommodated in a space formed by the trench, the sealing element has a first side and a second side opposite to the first side, and the first side is in contact with the bearing and the second side is toward to and apart from the trench.
A motor, comprising:
- a bushing;
- a shaft passing through the bushing;
- a fluid bearing mounted to the shaft and accommodated in the bushing;
- and
- an oil sealing structure comprising a cover and at least one sealing element, wherein the cover is disposed around the shaft and connected to one end of the bushing, the sealing element is disposed around the shaft and between the fluid bearing and the cover, the cover has a trench, and the sealing element is partially accommodated in a space formed by the trench, the sealing element has a first side and a second side opposite to the first side, and the first side is in contact with the bearing and the second side is toward to and apart from the trench.
A fan, comprising:
- a motor, comprising:
- a bushing,
- a shaft passing through the bushing,
- a fluid bearing mounted to the shaft and accommodated in the bushing, and
- an oil sealing structure comprising a cover and at least one sealing element, wherein the cover is disposed around the shaft and connected to one end of the bushing, and the sealing element is disposed around the shaft and between the fluid bearing and the cover, the cover has a trench, and the sealing element is partially accommodated in a space formed by the trench, the sealing element has a first side and a second side opposite to the first side, and the first side is in contact with the bearing and the second side is toward to and apart from the trench;
- and
- an impeller comprising s a hub and a plurality of blades disposed around the hub, the impeller being connected with the shaft so that the motor drives the impeller to rotate.
Dependencies are inferred from the claim text.