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A fluid flow sensor and a method for its manufacturing

AuthorsLopeandia Fernández, Aitor; Pérez Marín, Antonio Pablo; Rodriguez Viejo, Javier; Abad Muñoz, Libertad; Muñoz Pascual, Francisco Javier; López Martínez, Antonio Miguel
Issue Date1-Nov-2017
CitationEP3239674 A1
AbstractThe present relates to a fluid flow sensor comprising a thermoelectric device having: - a first member (1) having a surface to be exposed to a fluid flow, to change its temperature along a temperature range; - a second member (2) submitted to a temperature different to the temperatures of said temperature range, and thermally isolated from said first member (1); and - n-doped (Ne) and p-doped (Pe) thermoelectric elements connected so that a differential in the temperatures between the first (1) and second (2) members causes the generation of an electrical signal at the output electrodes (E1, E2), by the Seebeck effect, without applying any energy power to the fluid flow sensor, so that the fluid flow sensor is energetically autonomous. The invention also relates to a method for manufacturing the sensor, to a fluid flow detection device including the sensor and to uses of the detection device.
Appears in Collections:(IMB-CNM) Patentes
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