Multi-stable actuator based on shape memory alloy wires

US11927180B2 · kind B2 · utility

Assignee

• ACTUATOR SOLUTIONS GMBH · DE

Inventors

• Arif Kazi · Aalen, DE
• Markus Köpfer · Regelsweiler, DE
• Markus Bäuml · Erlangen, DE
• Neven Bobic · Gunzenhausen, DE
• Michael Honold · Geislingen, DE

Key dates

• Filing date: Mar 10, 2020
• Grant date: Mar 12, 2024
• Expiry date: Oct 15, 2040

Classification

• Technology area (CPC G): Physics
• CPC primary: G03B2205/0076
• WIPO field: Engines, pumps, turbines
• WIPO sector: Mechanical engineering

Abstract

Multi-stable SMA actuator comprising two shape memory alloy wires (1, 2) in antagonistic configuration that allow to define multiple stable positions of a movable element (12), said positions being maintained by movable stoppers to lock the movable element, that do not require power and are disengaged by the shape memory alloy wires (1, 2) upon actuation thereof.