The system is able to respond very quickly such that, when overtaking, the
deluge of spray is cleared by increased pressure and also, if the screen dries
off, the pressure is reduced to prevent scraping.
11.1.10 Linear wiper systems
Car makers are constantly looking for ways to reduce the noise generated by
wiper systems. The two main sources of noise are the wiper blade (particularly
when it turns over at the end of each movement) and the wiper motor.
Figure 11.14 Comparison of single and twin-motor wiper systems (Source: Bosch
Media)
Figure 11.15 Wiper blade pressure control system
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