Electronic throttle control with hysteresis

Details Electronic throttle control with hysteresis Electronic throttle control with hysteresis

G - Physics

05

G

G05G 1/44 (2009.01) B60K 26/02 (2006.01) F02D 11/02 (2006.01)

Patent

CA 2274268

A pedal assembly includes a housing (16) and a pedal arm (14) pivotally connected to the housing (16) with a first end supporting a pedal pad (12) and a second end forming a pedal pivot arm (26). The pedal pivot arm (26) has at least one cam lobe (38) extending therefrom and the housing (16) has a cylindrical collar portion (30) recessed in the housing (16) for receiving and retaining at least one coil spring (24). The interaction of the spring (24) between the pedal pivot arm (26) and the collar portion (30) generates a hysteresis effect. The collar portion (30) has a notch (32) extending through the side wall of the housing (16). The coil spring (24) has a first distal end (34) seated in the notch (32) and a second distal end (36) that is in bias contact with the cam lobe (38). The coil spring (24) is forced into frictional contact with the side wall of the collar portion (30) when the pedal arm (14) is pivoted from a rest position to an operative position to reduce the spring force of the coil spring (24) on the pedal arm (14).

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