M.2 Samara, Jean d'Eve and Kinetron
The 'Samara' of Jean d'Eve has no problem with the voltage level, due to its 14-pole
generator. In the original system, as shown in figure 2, the eccentrically rotating mass is
coupled to the multipole rotor by an intermediate spring in the interior of the rotor
cylinder. Each time the magnetic detent torque between stator and rotor of the generator
is exceeded by the spring torque, the spring releases and puts the rotor into fast rotation.
In this way a fixed amount of electrical energy is produced at every relaxation of the spring.
Such a 'burst' occurs immediately after the angular displacement between rotating mass
and generator rotor has exceeded a certain value, independently of the speed of the
rotating mass. In this way even slow and tiny movements of the wrist may contribute to the
production of electrical energy. The maximum power reserve of the original Samara is
sufficient for ten days.
An improved system has recently been developed by Kinetron. A much larger spiral spring,
placed in a separate barrel, has taken the function of the original tiny spring inside the rotor.
Copyright © by Pieter Doensen
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