一种用于内燃机的燃料喷射泵，包括由凸轮盘（12）驱动的柱塞和分配器（21），以实现线性和旋转运动。 在旋转方向上，凸轮盘（12）联接到电机轴（11），并且与由盘承载的前凸轮（14）一起穿入在滚子座圈（16）中引导的滚子 17）基本上是固定的。 为了掌握马达轴（11）的旋转速度和角度位置，角度位置的传感器（34）包括刚性连接到马达轴（11）的传感轮（36）和 一个固定在轴承环（17）上的检测器（37），该轴承环扫掠检测轮（36）。 轴承环（17）通过滚珠轴承（41）安装在驱动轴（11）上，以消除传感器（37）和检测轮（36）之间不受控制的相对运动。 ）并且允许高精度地检测电动机轴（11）的角位置和转速。

A fuel injection pump for internal combustion engines comprises a plunger and distributor piston (21) driven by a cam disc (12) so as to perform a linear movement and rotation. In the direction of rotation, the cam disc (12) is coupled to a motor shaft (11) and enters, with a front cam (14) carried by the disk in a roller (16) guided in a bearing ring ( 17) essentially fixed. In order to capture the speed of rotation and the angular position of the motor shaft (11), a sensor (34) of the angular position includes a sensing wheel (36) secured to the drive shaft (11) rigidly and a detector (37) secured to the bearing ring (17) which scans the sensor wheel (36). The bearing ring (17) is mounted on the motor shaft (11) by means of a ball bearing (41), so as to eliminate uncontrolled relative movements between the detector (37) and the sensing wheel (36 ) and to allow a high precision detection of the angular position and speed of rotation of the motor shaft (11).