This is a photo of an underwater electromechanical linear actuator manufactured by Ultra Motion Inc (http://www.ultramotion.com). This actuator uses a ball screw and nut, where the screw rotates, and the nut undergoes pure linear translation. This product is used on a number of remotely operated underwater vehicles (ROVs) to operate control surfaces.
DescriptionUnderwater Linear Actuator.png
English: Example of a pressure-compensated, deep-sea, underwater linear actuator. Primarily designed for control surface actuation on underwater vehicles.
Français : Photo d'un actionneur (actuateur) linéaire électromécanique sous-marin (fabriqué par Ultra Motion Inc. Cet actionneur utilise une vis à billes et un écrou, où la vis tourne ; l'écrou subit alors une translation linéaire pure. Ce produit est utilisé sur des véhicules sous-marins télécommandés (ROV) ou des véhicules de surface.
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