Patent ID: 8729756

Claim:
A canned motor pump comprising: a rotor; a stator; a stator can having a cylindrical shape and being provided between the stator and the rotor; and a motor housing; wherein the motor housing and the stator can define a stator chamber in which the stator is provided; wherein a filling member is provided in the stator chamber, the filling member comprising: a plurality of dried spherical inorganic material particles having a first heat conductive rate; silicone resin having a second heat conductive rate higher than the first heat conductive rate; wherein each of the plurality of spherical inorganic material particles is in contact with others of the plurality of spherical inorganic material particles; wherein the silicone resin is provided between the plurality of spherical inorganic material particles so as to fill the stator chamber; wherein the plurality of spherical inorganic material particles are configured so that the resin can be poured into the stator chamber to fill between the plurality of spherical inorganic material particles; wherein the silicone resin is a cured silicone resin.