China Aerospace Science and Technology has been granted a patent for a system that automatically measures the exhaust area of turbine guide vanes. The system includes a data acquisition module, a positioning module, and a data processing module, enabling precise three-dimensional measurements and calculations of exhaust areas. GlobalData’s report on China Aerospace Science and Technology 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 China Aerospace Science and Technology, was a key innovation area identified from patents. China Aerospace Science and Technology's grant share as of June 2024 was 66%. Grant share is based on the ratio of number of grants to total number of patents.
Automatic measurement system for turbine guide vane exhaust area
The patent US12013227B2 describes a sophisticated system designed for the automatic measurement of the exhaust area of turbine guide vanes. The system comprises three main components: a data acquisition module, a positioning module, and a data processing module. The data acquisition module utilizes non-contact measurement techniques to capture a three-dimensional point cloud of the contours of multiple throats of the turbine guide vane. The positioning module, which includes a six-degree-of-freedom (6-DOF) robot and a single-axis table, facilitates the automatic adjustment of the spatial relationship between the measurement apparatus and the turbine guide vane, enabling comprehensive traversal scanning. The data processing module then fits the acquired point cloud data to calculate the exhaust areas of each throat and the overall turbine guide vane.
Further details reveal that the data acquisition module features an optical scanner connected to the positioning module, which is responsible for moving the scanner to maintain an optimal measurement distance from the turbine guide vane. The positioning tooling, made of carbon fiber, secures the turbine guide vane in place and includes marking points for the optical scanner's recognition. The system operates under a preset program, allowing for coordinated movement of the 6-DOF robot, optical scanner, and single-axis table to ensure thorough scanning. The method outlined in the patent details a series of steps for connecting the turbine guide vane, initiating the scanning process, and processing the collected data to derive the exhaust areas, thereby streamlining the measurement process for turbine guide vanes in an automated fashion.
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