Abstract: An ultrasound sensor arrangement for determining a fluid level includes an elongated housing with a lid and a floor, and a measuring chamber in the housing, in which a fluid has the same level as the fluid outside the measuring chamber, and an ultrasound transmitter/receiver on the floor within or outside the housing in the area of the measuring chamber. Transmitted sound signals from the ultrasound transmitter/receiver reflect from the fluid surface and are received by the ultrasound transmitter/receiver to determine the fluid level from the signal transit time. At least one further chamber is arranged at least partially in front of or around the measuring chamber. The outermost chamber forms the inlet chamber. The several chambers are connected to each other for fluid flow.

Abstract: An ultrasound sensor arrangement for determining a fluid level includes an elongated housing with a lid and a floor, and a measuring chamber in the housing, in which a fluid has the same level as the fluid outside the measuring chamber, and an ultrasound transmitter/receiver on the floor within or outside the housing in the area of the measuring chamber. Transmitted sound signals from the ultrasound transmitter/receiver reflect from the fluid surface and are received by the ultrasound transmitter/receiver to determine the fluid level from the signal transit time. At least one further chamber is arranged at least partially in front of or around the measuring chamber. The outermost chamber forms the inlet chamber. The several chambers are connected to each other for fluid flow.

Abstract: An ultrasound sensor for determining a fluid level with an elongated housing (1) which comprises a lid (2) and a floor (3), with a measuring chamber (4), arranged in the housing (1), in which a fluid has the same level as outside the measuring chamber (4), and with an ultrasound transmission receiver (5) on the floor (3) within or outside the housing (1) in the area of the measuring chamber (4), the transmitted sound signals of which are reflected on the surface of the fluid and received by the ultrasound transmission receiver (5), in order to determine the fluid level from the signal run time, wherein in the housing (1), alongside the measuring chamber (4), at least one further chamber (6, 7) is arranged at least partially in front of the measuring chamber (4) or at least partially around the measuring chamber (4), wherein the outermost chamber forms the inlet chamber (7), and that the chambers (4, 6, 7) are connected to each other.