Diamond bearing with cooling/lubrication channels

Details Diamond bearing with cooling/lubrication channels Diamond bearing with cooling/lubrication channels

2007-08-14

2007-08-14

Footland, Lenard A. (Department: 3682)

Bearings

Rotary bearing

Plain bearing

C384S321000

Reexamination Certificate

active

11299565

ABSTRACT:
A diamond bearing assembly comprises a support ring having at least one diamond bearing segment attached thereto. A plurality of bearing pads are disposed on the diamond bearing segment. The plurality of bearing pads have a plurality of flow micro-channels between the bearing pads. A flow channel is disposed in the support ring proximate the bearing segment, wherein the flow channel has a fluid flowing therethrough for cooling the bearing segment. In another aspect, a method of cooling a diamond bearing comprises disposing a plurality of bearing pads on a diamond bearing segment. The diamond bearing segment are attached to a support ring. A fluid flows through a substantially radial channel in the support ring to cool the diamond bearing segment.

REFERENCES:
patent: 4410054 (1983-10-01), Nagel et al.
patent: 4620601 (1986-11-01), Nagel
patent: 4789251 (1988-12-01), McPherson et al.
patent: 5253939 (1993-10-01), Hall
patent: 5368398 (1994-11-01), Damm et al.
patent: 5560716 (1996-10-01), Tank et al.
patent: 6190050 (2001-02-01), Campbell

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