F - Mech Eng,Light,Heat,Weapons – 02 – M
Patent
F - Mech Eng,Light,Heat,Weapons
02
M
F02M 19/12 (2006.01) F02D 11/10 (2006.01) H02K 1/14 (2006.01) H02K 1/18 (2006.01) H02K 1/27 (2006.01) H02K 5/167 (2006.01) H02K 7/14 (2006.01) H02K 26/00 (2006.01)
Patent
CA 2341121
An electrically operated throttle valve assembly 110, 210 having a throttle shaft 18, 218 with a portion extending exteriorly of the throttle body 12. Rotor 166, 266 is mounted on the extending portion of shaft 18, 218. A housing 80 concentrically surrounds the rotor 166, 266 and includes a rear wall 86, 286 to which stator 134, 234 is attached. The stator 134, 234 having a plurality of circumferentially spaced pole segments each with a coil is mounted to the rear wall 86, 286 and is concentrically disposed within the rotor 166, 266. The hollow cylindrical rotor 166, 266 with plural magnets 72, 74, 272, 274 disposed about the inner periphery has a radial web flange 168, 268 which is drivingly attached to one end of the extending portion of shaft 18, 218 with the rotor 166, 266 nested over the stator pole segments. Reducing the size or even eliminating the mounting shaft or bolt 92, and preferably replacing it with a welded, wound and overmolded stack of laminations provides more winding area for electrically conductive coils to provide more magnetic flux.
Borden Ladner Gervais Llp
Corporation Eaton
LandOfFree
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