20240052859. HYDRAULICALLY AMPLIFIED SELF-HEALING ELECTROSTATIC (HASEL) TRANSDUCERS simplified abstract (The Regents of the University of Colorado, a Body Corporate)

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HYDRAULICALLY AMPLIFIED SELF-HEALING ELECTROSTATIC (HASEL) TRANSDUCERS

Organization Name

The Regents of the University of Colorado, a Body Corporate

Inventor(s)

Christoph Matthias Keplinger of Gerlingen (DE)

Eric Lucas Acome of Longmont CO (US)

Nicholas Alexander Kellaris of Boulder CO (US)

Shane Karl Mitchell of Boulder CO (US)

HYDRAULICALLY AMPLIFIED SELF-HEALING ELECTROSTATIC (HASEL) TRANSDUCERS - A simplified explanation of the abstract

This abstract first appeared for US patent application 20240052859 titled 'HYDRAULICALLY AMPLIFIED SELF-HEALING ELECTROSTATIC (HASEL) TRANSDUCERS

Simplified Explanation

The patent application describes an electro-hydraulic actuator with a deformable shell containing a liquid dielectric and electrodes that generate electrostatic forces to displace the liquid dielectric within the shell.

  • Deformable shell with enclosed internal cavity and liquid dielectric
  • First and second electrodes on opposite sides of the internal cavity
  • Application of voltage creates electrostatic force between electrodes, displacing the liquid dielectric
  • Shell has active and inactive areas to control movement of liquid dielectric
  • Self-healing capacitor formed by electrodes, shell, and liquid dielectric
  • Liquid dielectric automatically fills breaches resulting from breakdown

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      1. Potential Applications
  • Robotics
  • Automotive systems
  • Aerospace technology
  • Industrial machinery
      1. Problems Solved
  • Preventing dielectric breakdown
  • Self-healing capability
  • Controlled movement of liquid dielectric
      1. Benefits
  • Increased reliability
  • Longer lifespan
  • Self-repairing capability
  • Enhanced performance in various applications


Original Abstract Submitted

an electro-hydraulic actuator includes a deformable shell defining an enclosed internal cavity and containing a liquid dielectric, first and second electrodes on first and second sides, respectively, of the enclosed internal cavity. an electrostatic force between the first and second electrodes upon application of a voltage to one of the electrodes draws the electrodes towards each other to displace the liquid dielectric within the enclosed internal cavity. the shell includes active and inactive areas such that the electrostatic forces between the first and second electrodes displaces the liquid dielectric within the enclosed internal cavity from the active area of the shell to the inactive area of the shell. the first and second electrodes, the deformable shell, and the liquid dielectric cooperate to form a self-healing capacitor, and the liquid dielectric is configured for automatically filling breaches in the liquid dielectric resulting from dielectric breakdown.