The latest trend in transmission hydraulic controls development ise body integrated direct acting control solenoid, ted by multiple automotive OEMs. The advantages of integrated direct acting control solenoids are key enablers for OEMs to meet more and more stringent fuel economy requirement and competitive environment. In the meantime, there are unique challenges in both designing and manufacturing of such solenoids, due to the fact the solenoid armature can only push the spool valve with limited force and limited stroke. Through analytical methods, this paper explains design guidelines to overcome the challenges and quantifies the impact of design decision to critical functional objectives. Multiple valve design configurations, including both normally low and normally high functionality, are covered in the analysis. Unique manufacturing process concerns are also addressed.


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    Title :

    Design of Valve Body Integrated Direct Acting Controids


    Additional title:

    Sae Technical Papers


    Contributors:
    Xie, Zhe (author)

    Conference:

    WCX SAE World Congress Experience ; 2020



    Publication date :

    2020-04-14




    Type of media :

    Conference paper


    Type of material :

    Print


    Language :

    English




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