Motor as a direct drive and method for installation of the...

Textiles: fluid treating apparatus – Machines – Supersonic vibrator

Reexamination Certificate

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C008S159000, C068S131000, C068S139000, C068S140000, C310S010000, C310S0400MM, C310S254100, C310S261100

Reexamination Certificate

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07578149

ABSTRACT:
A motor having a stator and a rotor is provided as a direct drive for a laundry treatment appliance. The stator of the motor is preferably centered by a preferably cylindrical or conical protuberance in a bearing hole in a bearing spider or a rear wall of a tub of the laundry treatment appliance. The stator may have lugs on pole insulation which guide the rotor during installation, so that permanent-magnet poles of the rotor cannot strike soft-magnetic poles of the stator. A method for installation of the motor is also provided.

REFERENCES:
patent: 4998339 (1991-03-01), Wiesner
patent: 5040285 (1991-08-01), Williams et al.
patent: 5150589 (1992-09-01), Williams et al.
patent: 6341507 (2002-01-01), Rode et al.
patent: 6481035 (2002-11-01), Seagar et al.
patent: 6499323 (2002-12-01), Skrippek et al.
patent: 199 37 229 (2001-02-01), None
patent: 100 56 986 (2002-05-01), None
patent: 100 58 409 (2002-05-01), None
patent: 100 60 940 (2002-06-01), None
patent: 0 361 775 (1990-04-01), None
patent: 1 094 144 (2001-04-01), None

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