Improved integrated torque motor and throttle body

Details Improved integrated torque motor and throttle body Improved integrated torque motor and throttle body

F - Mech Eng,Light,Heat,Weapons

16

K

F16K 31/02 (2006.01) F02D 9/08 (2006.01) F02D 11/10 (2006.01) F02M 19/12 (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 2290168

An electrically operated throttle valve assembly 110 having a throttle shaft 18 with a portion extending exteriorly of the throttle body 12. Rotor 166 is mounted on the extending portion of shaft 18. A housing 80 concentrically surrounds the rotor 166 and includes a rear wall 86 to which stator 134 is attached. The stator 134 having a plurality of circumferentially spaced pole segments 136, 138, each. with a coil 148, 150, is mounted to the rear wall 86 in cantilever over a second shaft 92 and concentrically within the rotor 166. The hollow cylindrical rotor 166 with plural magnets 72, 74 disposed about the inner periphery has a radial web flange 168 and hub 170 which is drivingly attached to one end of the extending portion of shaft 18 with the rotor 166 nested over the stator pole segments 136, 138. Orientation of the rotor magnets 72, 74 and stator pole segment 136, 138 with the throttle plate 16 is inherent in the assembly. Post-assembly calibration is unnecessary.

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