Abstract: The invention relates to a through-flow volume limiter comprising a through-flow body. The through-flow body is penetrated by at least one channel, which can be cross-flown by a fluid, said channel being provided with an inlet and an outlet and at least one gas channel comprising a gas suction channel which is provided with a gas suction opening and a gas outlet opening for a gas which is to be mixed with the fluid exiting from the channel. An inlet funnel is connected to the inlet.