Low velocity, high pressure thrust pump

Details Low velocity, high pressure thrust pump Low velocity, high pressure thrust pump

2005-01-04

2005-01-04

Tamai, Karl (Department: 2834)

Electrical generator or motor structure

Dynamoelectric

Rotary

C310S06700R, C384S112000, C384S123000

Reexamination Certificate

active

06838795

ABSTRACT:
A fluid dynamic bearing motor is provided comprising a base, a counter plate fixed to the base, a stationary sleeve fixed to the base and supported on the counter plate, a rotating shaft axially disposed through the sleeve, and a fluid dynamic bearing disposed between the shaft and the sleeve and between a free end of the shaft and a first surface of the counter plate, wherein at least one of the free end of the shaft and the first surface of the counter plate comprises a single spiral-shaped groove formed thereon.

REFERENCES:
patent: 1982937 (1934-12-01), Walter
patent: 4065279 (1977-12-01), McCullough
patent: 4956058 (1990-09-01), Saito
patent: 5357163 (1994-10-01), Minakuchi et al.
patent: 5559382 (1996-09-01), Oku et al.
patent: 6316857 (2001-11-01), Jeong
patent: 6356408 (2002-03-01), Nii et al.
patent: 6398413 (2002-06-01), Inoue et al.
patent: 6493181 (2002-12-01), Ichiyama
patent: 03037413 (1991-02-01), None

Affiliated with

Also associated with

Rating

Low velocity, high pressure thrust pump does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Low velocity, high pressure thrust pump, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Low velocity, high pressure thrust pump will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFUS-PAI-O-3415286