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Oilless bearing type motor with function of preventing oil leakage

An oil-free bearing and motor technology, applied in bearing components, shafts and bearings, and controlling mechanical energy, etc., can solve the problems of deterioration of injection molding materials, reduction of durability and reliability of the motor 10, and easy breakage of components, etc. The effect of damage and cracking, durability and reliability performance improvement

Inactive Publication Date: 2009-11-11
DAEWOO ELECTRONICS CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

Therefore, those injection molding materials constituting the internal parts of the motor 10 often deteriorate, and the deteriorated parts are easily broken, resulting in a reduction in the durability and reliability of the motor 10.

Method used

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  • Oilless bearing type motor with function of preventing oil leakage
  • Oilless bearing type motor with function of preventing oil leakage
  • Oilless bearing type motor with function of preventing oil leakage

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Embodiment Construction

[0019] Hereinafter, preferred embodiments of the present invention will be described in detail with reference to the accompanying drawings so that they can be easily implemented by those skilled in the art.

[0020] figure 2 and 3 A sectional view showing an oilless bearing type motor having an oil leakage prevention function according to an embodiment of the present invention. The oil-free motor 100 with the function of preventing oil leakage includes an oil-free bearing 110 , a rotating shaft 120 , a rotor 130 , an oil collection groove 131 and an oil suction ring 140 . The rotating shaft 120 is rotatably supported by the oilless bearing 110 . The rotor 139 is fixed to the central area of ​​the rotating shaft 120 and is formed by pressing soft magnetic powder so as to form the oil collection groove 131 . The oil suction ring 140 is installed in the oil collection groove 131 of the rotor 130 .

[0021] Although not shown, the oilless bearing 110 is mounted on a holder 15...

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PUM

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Abstract

An oilless bearing type motor with a function of preventing oil leakage, wherein the motor includes an oilless bearing supporting a rotational shaft to be rotatable, includes a rotor of which the rotational shaft is fixed in a central portion. The rotor has an oil collecting indentation around the rotational shaft to collect oil leaked from an oilless bearing side, and is formed by pressing soft magnetic powder. Further, The oilless bearing type motor includes an oil absorption ring formed of a material absorbing a liquid to allow the oil, which moves by a centrifugal force in the oil collection indentation, to be absorbed, and installed in the oil collecting indentation.

Description

technical field [0001] The present invention relates to an oilless bearing type motor having an oil leakage prevention function, and more particularly, to an oilless bearing type motor having an oil leakage prevention function in order to improve durability and reliability of the motor. Background technique [0002] Generally, a motor is a device that converts electrical energy into mechanical energy to provide rotational force. Motors are widely used in various industrial fields including home appliances as well as industrial machinery. For example, the motor can be applied to compressors installed in cooling appliances such as air conditioners and refrigerators to restore refrigerant to liquid, washing machines, vacuum cleaners, optical disc players, hard disk drives of computers, and the like. [0003] Such motors, especially, small-sized motors are equipped with self-lubricating oil-free bearings to allow the shaft to rotate smoothly. Conventional oilless bearing type ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H02K15/02H02K7/08
CPCH02K5/1672H02K1/22F16C33/103
Inventor 巽城困
Owner DAEWOO ELECTRONICS CO LTD