Release actuator for space assembly
The release actuator for satellites uses a cord-severing heating element and spring mechanism to address size, weight, and cost challenges, offering a reliable and safe solution for deploying satellite components.
WO2026132681A1PCT designated stage Publication Date: 2026-06-25AURORA PROPULSION TECH OY
Patent Information
- Authority / Receiving Office
- WO · WO
- Patent Type
- Applications
- Current Assignee / Owner
- AURORA PROPULSION TECH OY
- Filing Date
- 2025-12-19
- Publication Date
- 2026-06-25
AI Technical Summary
Technical Problem
Existing deployable equipment release mechanisms for satellites, such as CubeSats, face issues with size, weight, cost, reliability, and safety during ground transport and space launch, particularly with explosive actuators.
Method used
A release actuator comprising a first and second body part held together by a cord, which is severed by a heating element to separate the parts, utilizing a resistor to generate heat and a spring for disengagement, allowing for a small, lightweight, reliable, and low-cost solution.
Benefits of technology
Provides a robust and simple mechanism for remote-controlled separation of satellite components, ensuring reliability and ease of installation with reduced manufacturing complexity and cost, while maintaining redundancy and safety.
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Smart Images
Figure FI2025060189_25062026_PF_FP_ABST
Abstract
A release actuator for space assembly, comprising a first body part (1), a second body part (2), a cord (3) for holding the first body part (1) and the second body part (2) together, a heating element (4) for breaking the cord (3)with heat when activated, wherein the first body part (1) is arranged to be separated from the second body part (2) when the cord (3) is broken.
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