Safran has patented a method for manufacturing a structural surface heat exchanger for aircraft. The process involves forming, shaping, and assembling corrugated and smooth skins to create channels for fluid circulation. The exchanger allows air to circulate in contact with the smooth skin. The method includes forming cavities for fluid distribution. 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 January 2024 was 65%. Grant share is based on the ratio of number of grants to total number of patents.
Method for manufacturing structural surface heat exchanger for aircraft
A recently granted patent (Publication Number: US11883874B2) outlines a method for manufacturing a structural surface heat exchanger for aircraft. The process involves forming a first corrugated skin and a second smooth skin, shaping them, and assembling them to create channels for fluid circulation and air contact. The method includes forming cavities in the skins to create fluid distributors and collectors. The first skin is 1 mm to 3 mm thick, while the second smooth skin is 0.6 mm to 2 mm thick, with the assembly achieved through welding or brazing.
The patent also details specific parameters for assembling the skins using friction stir welding, brazing, or laser welding techniques. For friction stir welding, parameters include tool dimensions, pressure, rotation speed, and advance speed. Brazing parameters involve applying a metal strip, contact pressure, and heat treatment. Laser welding parameters include laser power, advance speed, focal distance, inclination, and welding direction. The method allows for control over the shaping and assembling processes and specifies the use of aluminum or aluminum alloy, particularly the 6000 series, for the skins. This innovative method offers a precise and efficient way to manufacture structural surface heat exchangers for aircraft, ensuring optimal performance and durability.
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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.
