Absorption cup for oil level measuring instrument of engine, particularly in motor vehicle, has surface within upper range, which is arranged opposite to measuring channel in absorption cup in angular manner

摘要

The absorption cup (1) has a surface (8) within the upper range, which is arranged opposite to a measuring channel in the absorption cup in an angular manner, particularly with an angle more than ninety to one hundred fifty degrees and is permeably formed in the area of the measuring channel for ultrasonic waves. The area permeable for ultrasonic waves within the area of the measuring channel has an ultrasonic-relevant element.