Electrical generator or motor structure – Dynamoelectric – Rotary
Patent
1993-02-01
1994-02-22
Stephan, Steven L.
Electrical generator or motor structure
Dynamoelectric
Rotary
384107, H02K 709
Patent
active
052890678
ABSTRACT:
A bearing device comprising a fixed shaft having a first radial bearing surface, a sleeve provided in a fitting relationship with the fixed shaft and having a second radial bearing surface opposed to the first radial bearing surface, the second radial bearing surface having herring-bone grooves thereon to form a radial gas bearing to support the sleeve with respect to the fixed shaft, and the fixed shaft having one end portion forming part of a magnetic thrust bearing of aspirating type to support the sleeve with respect to the fixed shaft.
REFERENCES:
patent: 4443043 (1984-04-01), Yamaguchi
patent: 4512626 (1985-08-01), Kamiya et al.
patent: 4523800 (1985-06-01), Yamashita et al.
patent: 4717223 (1988-01-01), Ishida et al.
patent: 4805972 (1989-02-01), Tanaka et al.
patent: 5046863 (1991-09-01), Sakatani et al.
patent: 5114245 (1992-05-01), Tanaka et al.
Endo Shigeru
Sakatani Ikunori
Tanaka Katsuhiko
Yoshiba Takeyuki
Nguyen Matthew
NSK Ltd.
Stephan Steven L.
LandOfFree
Bearing device does not yet have a rating. At this time, there are no reviews or comments for this patent.
If you have personal experience with Bearing device, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Bearing device will most certainly appreciate the feedback.
Profile ID: LFUS-PAI-O-174190