Steering force controlling device for power steering device

Abstract

Abstract PURPOSE:To improve steering stability when running at a high speed without harming steering followability at the time of running at a low speed by variably controlling the area of the passage which is connected to one chamber of a power cylinder by means of a solenoid valve, depending on the running condition. CONSTITUTION:In a power cylinder 12, a first solenoid valve 21 which connects the both chambers of the power cylinder 12 depending on the car speed, and a second solenoid valve 22 which control the area of the passage connected to one chamber of the power cylinder 12 depending on the running condition, are installed. When a current is applied to the solenoid valve 21, the opening provided by the displacement of a movable spool allows the both chambers of the power cylinder 12 to be mutually connected. When a current is applied to the solenoid valve 22, the area of the passage is reduced by means of the displacement of the movable spool on which the attracting force corresponding to the applied current acts.

Inventors

• 👤 Ryutaro Abe
• 👤 安部　隆太郎
• 👤 Yoshiyuki Toyama
• 👤 外山　善行
• 👤 Toshito Hiramatsu
• 👤 俊人 平松

Bibliographic Details