Downhole compressor

Details Downhole compressor Downhole compressor

2008-03-04

2008-03-04

Stashick, Anthony D. (Department: 3746)

Pumps

Motor driven

Electric or magnetic motor

C417S423120, C417S424100, C417S423300, C417S366000

Reexamination Certificate

active

10501643

ABSTRACT:
A downhole dynamic compressor comprises an electric motor having a stator6with stationary windings and an armature with permanent magnets7supported on gas bearings9, 10for rotation relative to the stator. The gas bearings9and10are arranged at the upstream and downstream opposite ends of the motor, respectively. The dynamic compressor has a bladed wheel12mounted on an overhanging end of the motor armature7that projects beyond the gas bearing9at the upstream end of the motor, whereby all the gas bearings of the compressor and the electric motor are arranged on the downstream side of the dynamic compressor.

REFERENCES:
patent: 5857348 (1999-01-01), Conry
patent: 2002/0011337 (2002-01-01), Grant
patent: 2362901 (2001-12-01), None

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