In implementing the present invention, the spring less motor includes a buried magnet system having a significant, linear centering force and a high enough stiffness which acts as a spring with {HEAD ~ a certain stiffness} to drive {TAIL ~ a piston} a specific stroke length and to enable the spring less motor to be resonant at a frequency near an AC supply frequency 
In implementing the present invention , the spring less motor includes a buried magnet system having a significant , linear centering force and a high enough stiffness which acts as a spring with { HEAD ~ a certain stiffness } to drive { TAIL ~ a piston } a specific stroke length and to enable the spring less motor to be resonant at a frequency near an AC supply frequency
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