CPC F04D 13/027 (2013.01) [A61H 33/60 (2013.01); F04D 13/026 (2013.01); F04D 13/0666 (2013.01); F04D 29/026 (2013.01); F04D 29/043 (2013.01); F04D 29/046 (2013.01); F04D 29/0413 (2013.01); F04D 29/0465 (2013.01); F04D 29/20 (2013.01); F04D 29/426 (2013.01); F04D 29/445 (2013.01); F04D 29/448 (2013.01); F04D 29/605 (2013.01); F04D 29/628 (2013.01); H02K 1/22 (2013.01); H02K 49/108 (2013.01); A01K 63/047 (2013.01); A61H 35/006 (2013.01); A61H 2201/1215 (2013.01); F04D 13/08 (2013.01)] | 15 Claims |
1. A magnetically driven unit, comprising:
a housing comprising a base and a nozzle releasably connected to the base;
a rotator at least partially contained in the housing, the rotator comprising a magnet;
a shaft operatively connected to the rotator;
a blade operatively coupled with the shaft;
a magnet cover cooperating with the base to enclose the magnet of the rotator between the base and the magnet cover;
an axle concentrically surrounded by the shaft;
a magnetic shield placed on top of the magnet of the rotator;
a sleeve concentric with and surrounding the axle;
a lower bearing concentric with and surrounding the sleeve, the lower bearing interposed between the magnet and the base; and
a thrust washer interposed between the lower bearing and the base.
|