| 摘要 |
A sensor for responding to the rate of change of changing rotational speeds of a rotating vehicle wheel and including a flyweight coupleable for rotation in response to wheel rotation and decoupleable in response to a rate of change of a changing rotational speed of the wheel which exceeds a certain threshold rate. In accordance with the present invention, a brake device is operatively connected with the flyweight for constantly exerting on the flyweight a torque resisting rotation of the flyweight. Provision is made for signalling of any occurrence of an excessive rate of change of rotational speed of the wheel continuously for the interval of time during which a threshold rate is exceeded, and the brake device may be operable in response to such signalling for changing the level of torque exerted. |
