Patent ID: 7213456
Filing Date: 2007-05-08
Classification: G01F

Abstract:
1. In a device for measuring the level of a fluid in a fuel tank of a motor vehicle, the fuel tank including a sound guide conduit disposed in the fuel tank, a fluid feeding device in the fuel tank, and at least one ultrasonic transducer disposed near one end of the sound guide conduit for generating ultrasonic pulses and for receiving the ultrasonic pulses reflected in the region of the surface of the fluid in the fuel tank, the improvement wherein the sound guide conduit and the ultrasonic transducer are disposed in the fuel tank ( 1 ) on an outer circumference of the fluid feeding device ( 6 ), wherein the sound guide conduit ( 2 ) comprises a horizontal or oblique forward-flow region ( 11 ) disposed near the fuel tank bottom ( 12 ).