Safran has been granted a patent for a method to detect hardware configuration of devices on aircraft turbomachines. The method involves sending control voltage, measuring output voltages, and inferring device configuration. This innovation enhances safety and efficiency in aircraft operations. GlobalData’s report on Safran 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 Safran, Photovoltaic drones was a key innovation area identified from patents. Safran's grant share as of February 2024 was 68%. Grant share is based on the ratio of number of grants to total number of patents.

Method for detecting hardware configuration of aircraft device

Source: United States Patent and Trademark Office (USPTO). Credit: Safran SA

A recently granted patent (Publication Number: US11927638B2) discloses a method for detecting the hardware configuration of a device intended for use in an aircraft turbomachine. The method involves sending a control voltage to the device and measuring the output voltages using two measuring boxes. By analyzing the values of these voltages, the hardware configuration of the device can be inferred with the help of a two-channel protection calculator. The device in question is identified as a fuel-metering unit with three possible hardware configurations, each distinguished by the presence or absence of a position-measuring unit and the wiring connections between the control module and measuring boxes.

Furthermore, the method includes specific comparisons of the measured voltages with threshold values to determine the hardware configuration accurately. The control voltage used is a DC voltage of less than 15V, and the sum of the measured voltages is also analyzed against predefined thresholds. The patent also covers a non-transitory computer-readable memory storing a calculator program for implementing the method and a protection calculator with a processor and memory to execute the program. Overall, the patented method provides a systematic approach to identify the hardware configuration of a device, particularly a fuel-metering unit, crucial for ensuring the safe and efficient operation of aircraft turbomachines.

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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.