electromagnetic actuator
A technology of electromagnetic actuators and permanent magnets, applied in magnets, circuits, magnetic objects, etc., can solve problems such as actuator performance changes
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[0017] An electromagnetic actuator according to an embodiment will be described below with reference to the drawings. As described in JP 2013-258888 A, the electromagnetic actuator is applied to a valve lift adjustment device that adjusts the lift of an intake valve or an exhaust valve of an internal combustion engine through a cam that is integrated with a slider ground setting, the slider rotates together with the camshaft.
[0018] The slider of the valve lift adjusting device is arranged to rotate together with the camshaft and can move axially relative to the camshaft, and includes an engagement groove on its outer periphery whose axial position gradually changes according to the rotation angle. Change. Based on a command from the control device, the electromagnetic actuator advances the "operation-side restricting pin" (which is either one of the two restricting pins) to engage the end of the operating-side restricting pin with the engagement groove of the slider. Ther...
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