MODULAR PERMANENT MAGNET MOTOR AND PUMP ASSEMBLY

WIPO Patent Application WO/2015/065699

A3

A permanent magnet machine (10), a rotor assembly (12) for the machine, and a pump assembly (100). The permanent magnet machine (10) includes a stator assembly (14) including a stator core (56) configured to generate a magnetic field and extending along a longitudinal axis with an inner surface defining a cavity (36) and the rotor assembly (12) including a rotor core (30) and a rotor shaft (22). The rotor core is disposed inside the cavity and configured to rotate about the longitudinal axis. The rotor assembly further including a plurality of permanent magnets (34) for generating a magnetic field which interacts with the stator magnetic field to produce torque. The permanent magnets configured as one of internal or surface mounted The rotor assembly also including a plurality of retaining clips (40) configured to retain the plurality of permanent magnets relative to the rotor core. The pump assembly including an electric submersible pump (104) and a permanent magnet motor for driving the pump.

JP6870457	Rotor and permanent magnet type rotary electric machine
JPH06178497	ELECTRIC MOTOR
JP4415634	Permanent magnet type rotary electric machine

SALAS NOBREGA KEN IVCAR (US)
VAN DAM JEREMY DANIEL (US)
SHAH MANOJ RAMPRASAD (US)
GERSTLER WILLIAM DWIGHT (US)
RAMINOSOA TSARAFIDY (US)
FLETT EDWARD JOHN (US)
REDDY PATEL BHAGEERATH (US)
ALEXANDER JAMES PELLEGRINO (US)

PCT/US2014/060476

October 01, 2015

October 14, 2014

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GEN ELECTRIC (US)

H02K1/27; H02K5/132

WO2012113416A2

2012-08-30

JP2013099038A	2013-05-20
DE19942029A1	2001-03-15
EP1037359A1	2000-09-20

DOMBROWSKI, Joanna, M. et al. (Global Patent Operation3135 Easton Turnpik, Fairfield CT, US)

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