| 摘要 |
PURPOSE:To prevent the generation of heat and the damage of the clutch by a method wherein a rotational frequency sensing means and a calculating means are provided respectively at the drive side and the driven side of the clutch so as to change the connection characteristics of the clutch when overheating occurs. CONSTITUTION:An ignition pulse generator 40 outputs the pulse in proportion to the rotational speed of an engine and the outputted pulse is converted by means of a D/A converter 41 to the direct current signal omegaj. On the other hand, a pickup 39 outputs the pulse in proportion to the rotational speed of an driver side and the outputted pulse is converted by means of a D/A converter 45 to the direct current signal omegao. The difference signal between said two signals omegao and omegaj is calculated through calculating means 42 and 43 and multiplied by the signal omegaj by a multiplier 44 and, after that, integrated by an integrator circuit 47. The integrated result is applied to a comparator 48 and, when the integrated result is larger than standard value, the comparator 48 actuates a relay 49 in order to change the connection characteristics of the clutch. In such a manner as mentioned above, the generation of clutch trouble can be prevented. |
