Pump Exhibiting An Adjustable Delivery Volume

A pump which exhibits an adjustable delivery volume, the pump including (a) a pump housing comprising a delivery chamber; (b) a delivery rotor which can be rotated about a rotary axis within the delivery chamber, for delivering the fluid; (c) an adjusting device, including: (c1) an adjusting member which can be adjusted in the pump housing in order to adjust the delivery volume of the pump; (c2) a first setting chamber for generating a first setting pressure for adjusting the adjusting member; (c3) and a second setting chamber for generating a second setting pressure for adjusting the adjusting member; (d) a fluidically operable valve for adjusting the setting pressure of the first setting chamber; (e) and an electromagnetic valve, comprising: a pressure port for a setting fluid which is diverted from the high-pressure side; and a relief port for the setting fluid. 种具有可调节的输送容积的泵，所述泵(1)包括：(a)泵外壳，包括输送室；(b)输送转子，所述输送转子能够在所述输送室内绕旋转轴旋转，用于输送流体；(c)调节装置，包括：(c1)调节部件(20)，所述调节部件能够在所述泵外壳被调节，以调节所述泵(1)的所述输送容积；(c2)第设置室，用于产生用