| 摘要 |
<p>The invention concerns a brake booster device for motor vehicle comprising a manual control member (4) normally actuated by the driver to apply the brakes, and a brake booster (5) coupled with the manual control member through a valve (6). The devices comprises means (C) for controlling the valve (6) including a shape memory element (22), and power supply means (23) for said shape memory element, to act on the valve (6) and apply the brakes in response to an external information.</p> |
