| 摘要 |
PURPOSE:To make it possible for a driver to freely select the assist power characteristics by lowering the number of rotation of an oil pump in accordance with the signal treatment property in response to the increase of a car speed, and manually varying said signal treatment property. CONSTITUTION:An oil pump 12 which supplies oil pressure to a control valve 3 is driven by a motor 11. The motor 11 is connected with a controller 20, then the controller 20 receives a car speed signal from a speed sensor 21, and controls electric power supply to the motor 11 from a battery 23, so as to lower the number of revolution of the motor 11 to comply with any increase in the car speed, in accordance with the signal treatment property. Moreove, the controller 20 catches the signal of a manual transfer switch 22 and varies aforementioned signal treatment property by changing the value of the variable resistance. |
