Supporting device of rotor

Details Supporting device of rotor Supporting device of rotor

2006-06-13

2006-06-13

Le, Dang (Department: 2834)

Electrical generator or motor structure

Dynamoelectric

Rotary

C310S06700R, C310S07500D, C384S100000

Reexamination Certificate

active

07061151

ABSTRACT:
A supporting device of a rotor includes a ceramic axial tube fixed on the rotor, and a ceramic axial support rotationally supporting the ceramic axial tube, wherein the spacing between the ceramic axial tube and the ceramic axial support is within the range of 2–25 μm so as to prevent shaking and reduce noise. The ceramic axial tube formed as a hollow tube is allowed to store lubricants within the inner space of the tube, and further reduce frictional noise and heat production. In addition, the ceramic axial rube formed as a hollow tube is also advantageous for binding with the fan body during the molding process of the fan rotor.

REFERENCES:
patent: 4007390 (1977-02-01), Muller et al.
patent: 4865922 (1989-09-01), Davies
patent: 5763344 (1998-06-01), Komatsu
patent: 5791784 (1998-08-01), Ichiyama
patent: 5874793 (1999-02-01), Kuwayama et al.
patent: 5938343 (1999-08-01), Grantz et al.
patent: 5998898 (1999-12-01), Fukutani et al.
patent: 6712513 (2004-03-01), Tanaka et al.

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