Authors: Ilie NIŢAN, TOADER Eusebiu, PAVĂL Mihaela, Dan Laurenţiu MILICI, Dumitru CERNUȘCĂ, Mariana Rodica MILICI, Adrian GRAUR, Mihai DIMIAN, Constantin UNGUREANU
Company/ Institution: Stefan cel Mare University of Suceava/Faculty of Electrical Engineering and Computer Science/ Department of Electrotechnics
Country: Romania
e-mail: costel@usm.ro
web: www.usv.ro
The pumping system according to the invention consists of a cylindrical container (1), provided with a piston (2) which is moved by means of a rod (3) terminated with a T-shaped profile, provided at the lower end with a support (4) fixing two nitinol springs (5) and (5 ‘), and the upper part of the rod profile (3) acts at the ends of the stroke the double microcontacts (M1), (M1′) and (M2) respectively , (M2′), which controls the closing and opening of the electro-valve (6), the fans (7) and (7′) and disconnects the heating circuits of the nitinol springs (5) and (5’) controlled alternately by the relay contacts (k1) and (k2) by means of a microcontroller (8).