FIELD: mechanical engineering. SUBSTANCE: thermomechanical drive has thermosensitive element with memorized shape effect and directed load unit to create displacement force relative to thermosensitive element. Directed load unit is made in form of two superelastic members 1, 2 with opposite direction of action and temperature of completion of reverse martensite transformation equal to ambient temperature. Thermosensitive element 4 is connected in parallel with one of superelastic members 1 or 2. Summary cross-section area of superelastic member 2 and thermosensitive element 4 is equal to cross-section area of first superelastic member. EFFECT: increased drive travel and improved sensitivity of drive. 4 dwg
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