The most widely used type of windshield wiper system employs a coil spring for wiper arm pressure generation. This spring is fixed between the arm head (fixed part) and wiper arm (moving part) and the tension in the spring is responsible for pressure generation. The present arrangement although being unsophisticated design, has following drawbacks: This paper describes how electromagnets can be used to overcome the above stated inherent limitations of the windshield wiper system. An electromagnet is a device which produces magnetic field on application of electric current. It consists of electrical conductor wound around a magnetic core. Unlike a permanent magnet whose magnetic field is fixed, the magnetic field produced by electromagnets can be changed or even reversed very quickly by controlling the input current. Since, magnetic fields attract or repel each other depending upon their direction, hence, electromagnets can be used to produce variable force of attraction or repulsion. This enables electromagnets to be used as a spring with adjustable stiffness.


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    Title :

    Application of Electromagnets in Windshield Wipers


    Additional title:

    Sae Technical Papers


    Contributors:

    Conference:

    Symposium on International Automotive Technology ; 2021



    Publication date :

    2021-09-22




    Type of media :

    Conference paper


    Type of material :

    Print


    Language :

    English




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