US 7,382,070 B2
Spherical bearing, electric motor and circulation pump
Karsten Laing, Theodor-Heuss-Strasse 29 71566, Althutte (Germany); and Janos Ternak, Cegled (Hungary)
Assigned to Oliver Laing, Stuttgart (Germany); Karsten Laing, Stuttgart (Germany); and Birger Laing, Stuttgart (Germany)
Filed on Feb. 09, 2005, as Appl. No. 11/55,140.
Claims priority of application No. 2004 008 158 (DE), filed on Feb. 12, 2004.
Prior Publication US 2005/0225186 A1, Oct. 13, 2005
Int. Cl. H02K 5/16 (2006.01)
U.S. Cl. 310—90  [384/108; 384/610] 39 Claims
OG exemplary drawing
 
1. An electric motor, comprising:
a rotor;
a stator;
a wall which delimits an air gap between the rotor and the stator; and
a spherical bearing, said spherical bearing comprising:
a holder integrally connected to the wall;
a bearing body with a substantially convex spherical surface disposed on the holder, the holder and the wall being formed of a plastics material, the holder and the bearing body being held non-rotatably with respect to each other; and
a bearing shell with a concave spherical surface, the bearing shell being rotatably mounted on the bearing body.