MICROMECHANICAL CAPACITIVE THERMO-ELECTRICAL TRANSDUCER Russian patent published in 2010 - IPC H02N10/00 

FIELD: electricity.

SUBSTANCE: invention allows for generating electrical power by modulating thermal flow coming through capacitor with temperature-dependant capacity and using temperature difference in environment. Micromechanical capacitive thermo-electrical transducer includes the following elements: dielectric or semi-conductor substrate (1) where fixed electrode (2) coated with ferroelectric film (3), thermo-insulating walls (4) which have heat-conducting plate (5) fixed to them. One of the ends of moving electrode (6) is connected with the above plate. Moving parts of this electrode is parallel to film (3) surface leaving some clearance between them. Besides the said substrate (1) and heat-conducting plate (5) have different temperatures. The movable electrode (6) ensures cyclic heat-exchange between heat-conducting plate (5) and ferroelectric film (3) by moving from heat-conductive plate (5) to dielectric film (3) when voltage is applied between movable (6) and fixed (2) electrodes. Change of dielectric film temperature (3) causes proportional change of capacitor capacity.

EFFECT: higher frequency of heat transformation and higher electrical power at the outlet of the transducer.

2 cl, 6 dwg