At least on its side facing the window (3) the cover strip (12) is profiled so as to reduce or prevent squeaking.
They alleviate oscillation of the blade as it wipes a windshield, thus eliminating squeaking, squealing, ineffective skipping across the windshield surface, and the resultant increased windshield wiper wear.
Squeal noise is associated with the sources at 0,5 m (source A).
This arrangement also provides improved squeal noise resistance.
Curve squeal is a special source that is only relevant for curves and is therefore localised.
Squeal contribution shall be applied on railway track sections where the radius is within the ranges mentioned above for at least a 50 m length of track.
Therefore, the wiper has a high flexibility, high recovery properties, a high durability, and a wiping performance without squeal and vibration, and can keep the wiping performance for a long time.
To this end, a chatter compensating stage (22) is integrated along with the customary position regulator (20) inside the wiper device.
A paper diaper, which can prevent crunchy hand feeling and an unintended bias in absorption properties in the use of tow (fiber bundle), is provided.
The composition exhibits a Squeakiness SQ1 value ranging from 5 to 100 grams as measured in an Acoustic Tribometer Tester.
It is possible to realize a measurement system for accurately detecting a position of a sound source of a jet noise (screech) generated by a jet flow of a jet engine.