| 摘要 |
A pump is proposed, having at least one suction region and at least one pressure region, a pressure space which has an outflow region to a consumer, a rotor which is operatively connected to a shaft which rotates about a rotational axis, in which rotor delivery elements are received displaceably, as viewed in the radial direction, the rotor having expelling regions radially within the delivery elements, which expelling regions are connected at least partially to the pressure region by way of a first fluid path, and having a cold starting device which comprises a cold starting element which is prestressed into a first functional position and, in its first functional position, shuts off a second fluid path from the pressure region to the pressure space, the cold starting element opening the second fluid path in a second functional position, the cold starting element being configured and arranged in such a way that it can be displaced counter to the prestress into its second functional position by way of a pump pressure which is generated in the pressure region during operation of the pump. The pump is distinguished by the fact that the cold starting element is arranged in its second functional position at least in regions with a relief face which faces away from the pressure region in a relief receptacle in such a way that the relief face is loaded during operation of the pump with a pressure which is smaller than a system pressure in the outflow region. |
