| 摘要 |
The present invention relates to a pump unit of an electronic control brake system preventing vibration or noise caused by conventional eccentric rotation. According to an embodiment of the present invention, the present invention comprises: a motor having a rotary shaft as the pump unit of the electronic control brake system installed in a bore formed in a modulator block; a carrier whose center is placed in the rotary shaft, and which are equipped with connecting shafts arranged in a row at regular intervals on both sides on the basis of the center; a pressure member installed in each connecting shaft; and a first piston pump and a second piston pump which come in contact with the outer circumferential face of the pressure member by the rotation of the carrier, are equipped with reciprocating pistons, and are arranged one another in a row. |
