Magnetic bearing apparatus

Details Magnetic bearing apparatus Magnetic bearing apparatus

2008-01-01

2008-01-01

Le, Dang (Department: 2834)

Electrical generator or motor structure

Dynamoelectric

Rotary

C310S064000

Reexamination Certificate

active

07315101

ABSTRACT:
In order to obtain a magnetic bearing apparatus in which a large cooling effect is exerted by a simple configuration, fins15which form an air flow in a rearward direction are disposed in a rear portion and outer diameter of a rotary shaft1, a generator16which converts an air flow produced by rotation of the fins15to a compressed vortex flow, and which has an axial through hole is fixed with being separated from the fins15by an appropriate gap, and a tube20in which the inner diameter is larger than the diameter of the through hole19of the generator16, and which has a control valve21at the rear end is provided in rear of the generator16. Cooling wind is produced by a driving force of the rotary shaft1. Cooling wind flow paths22through which the cooling wind is to be passed, and which axially elongate are formed in the rotary shaft1.

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Vortex Tube, pp. 1-8.

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