Embraer has been granted a patent for an innovative dual channel rudder system architecture utilizing electromagnetic actuators for enhanced safety and redundancy in aircraft control. The system includes reconfigurable electronic controllers, cross-channel intercommunication connections, and redundant load paths for independent rudder control. GlobalData’s report on Embraer gives a 360-degree view of the company including its patenting strategy. Buy the report here.
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According to GlobalData’s company profile on Embraer, Photovoltaic drones was a key innovation area identified from patents. Embraer's grant share as of May 2024 was 52%. Grant share is based on the ratio of number of grants to total number of patents.
Dual channel rudder system architecture with electromagnetic actuators
A recently granted patent (Publication Number: US11987344B2) discloses a dual-channel rudder system architecture designed to provide redundancy and safety in aircraft rudder control. The system includes two electronic controllers that interface with independently-controllable electromechanical actuators for rudder control. These controllers communicate through cross-channel interconnections, ensuring dynamic coordination and safety standards compliance. The actuators can operate in drive or damping modes, with the damping mode utilizing back electromotive force to counter wind gusts, eliminating the need for additional external damping devices. The system also features flutter suppression mechanisms and diverse hardware implementations to reduce common mode failures, enhancing overall reliability.
Furthermore, the patent details the integration of pilot inceptors, actuator controllers, and electromechanical rudder actuators in a comprehensive rudder control system. The controllers automatically reconfigure in case of flight control computer failure, ensuring continued operation and safety. Cross-channel intercommunication connections support various functionalities, including compensation rules and failure reporting. The system's design allows for independent control of the rudder aerodynamic surface, with different levels of application for local actuator control and aerodynamic laws compliance. Overall, the patented rudder control system offers a robust and redundant architecture to enhance aircraft safety and performance in critical flight situations.
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GlobalData Patent Analytics tracks bibliographic data, legal events data, point in time patent ownerships, and backward and forward citations from global patenting offices. Textual analysis and official patent classifications are used to group patents into key thematic areas and link them to specific companies across the world’s largest industries.
