Windshield Wipers:
Conventional
wiper drives have only one direction of rotation, and the direction of
wiping is changed mechanically. The new electronically controlled motor
reverses its direction of rotation at the turning point of the wiper –
therefore, the mechanical components require less space.
The
electronic controller ensures a maximum visibility area at all times,
irrespective of wiping speed, coefficient of friction or wind force.
Through exact adherence to the wiping angle, it is possible to reduce
the tolerance distance to the edge of the windscreen to a minimum and
thus to enlarge the swept area. The controller can detect obstacles such
as packed snow at the reversing points and automatically reduces the
swept area to prevent the system from blocking. The speed of the motor
is reduced before reversal to ensure quiet running.
The electronic speed controller is also very
practical in conjunction with a rain sensor: depending on the quantity
of water on the windshield, the drive unit can be operated at a
continuously variable wiping speed.
The
electronically controlled wiper motor also allows the use of two-motor
wiper systems. Each wiper arm is moved by its own drive unit, and the
electronic controller is responsible for the coordination of the
movements.
Advantages:
- This system requires no connecting rods
- Reduced space requirements and
- Lower weight.
Features & Benefits:
An
extended parking position is available as an additional function: this
means that when the wipers are switched off, the wiper arms are parked
under the trailing edge of the bonnet. This improves the aerodynamics of
the vehicle. Driving noise is reduced and the driver’s field of vision
is enlarged. At the same time, the risk of injury is reduced in the
event of accidents with pedestrians and two-wheeled traffic.
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