Hermetically sealed type dynamic pressure fluid bearing motor

Details Hermetically sealed type dynamic pressure fluid bearing motor Hermetically sealed type dynamic pressure fluid bearing motor

1989-12-28

1992-03-17

Skudy, R.

Electrical generator or motor structure

Dynamoelectric

Rotary

310 68B, 310 89, 310 90, 310 91, 25023116, 277 50, 277 72FM, 384114, H02K 510

Patent

active

050971646

ABSTRACT:
A motor supported by a dynamic pressure fluid bearing supporting a rotatable member by the dynamic pressure of fluid created by rotation is hermetically sealed with respect to the outside. The motor further includes a fixed shaft with the grooves and a rotatable sleeve. The rotatable sleeve is engageable with the fixed shaft and an optical member are mounted on the rotatable shaft.

REFERENCES:
patent: 4134595 (1979-01-01), Melville
patent: 4359228 (1982-11-01), Cather
patent: 4387299 (1983-06-01), Akiyama
patent: 4487514 (1984-12-01), Mori
patent: 4523800 (1985-06-01), Yamashita
patent: 4591168 (1986-05-01), Holzer
patent: 4637264 (1987-01-01), Takahashi
patent: 4652149 (1987-03-01), Nakaoka
patent: 4686362 (1987-08-01), Merlo
patent: 4797009 (1989-01-01), Yamazaki
patent: 4900958 (1990-02-01), Kitahara

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