Fluidic component, ultrasonic measurement device having a fluidic component of this type, and applications of the ultrasonic measurement device

A fluidic component for generating an ultrasonic signal, with a flow chamber, which can be flowed through by a fluid flow, which enters the flow chamber through an inlet opening of the flow chamber and exits from the flow chamber through an outlet opening of the flow chamber, wherein the fluidic component has at least one means for forming an oscillation of the fluid flow at the outlet opening, the at least one means comprising at least two secondary flow channels, which are in each case fluidically connected by way of an entrance and an exit to a main flow channel of the flow chamber and in each case extend between the corresponding entrance and the corresponding exit, the oscillation taking place in an oscillation plane,

• the fluidic component further comprising a separation device, which is designed to separate off a part from the oscillating fluid flow,
• wherein the separation device comprises an inlet opening, through which the oscillating fluid flow enters the separation device, and at least one first outlet opening and at least one second outlet opening, through each of which a part of the oscillating fluid flow exits,
• wherein provided between the at least one first outlet opening of the separation device and the at least one second outlet opening of the separation device is a flow divider, which deflects the oscillating fluid flow alternately into the at least one first and at least one second outlet opening of the separation device, and
• wherein the separation device is designed in such a way that the part of the oscillating fluid flow that is deflected into the at least one first outlet opening of the separation device and the part of the oscillating fluid flow that is deflected into the at least one second outlet opening of the separation device are not brought together again downstream of the flow divider, and wherein the at least one first outlet opening and the at least one second outlet opening of the separation device have a different extent in the oscillation plane and transversely to the direction of fluid flow.