| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide a pneumatic brake booster with a force sensor for detecting brake operating condition of a driver. <P>SOLUTION: This pneumatic brake booster 1 comprises a return spring 37 arranged between the inner surface 45 of a rigid casing 11 and a pneumatic piston 5 in a low-pressure chamber 25. Further, this pneumatic brake booster comprises a force sensor 39 arranged in the low-pressure chamber so as to receive a pressure change of the return spring. <P>COPYRIGHT: (C)2008,JPO&INPIT |
