Safran had 48 patents in 3D printing during Q3 2023. These include an electrical power supply circuit for a power module with metal tracks and electrical connectors, a circular modular tray for additive manufacturing, a gas turbomachine combustion chamber with bridges and an additive layer structure, a manufacturing method for powder-bed based additive manufacturing, and an acoustic panel with Helmholtz resonators and triangular-based prism cavities. GlobalData’s report on Safran gives a 360-degreee view of the company including its patenting strategy. Buy the report here.

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Safran grant share with 3D printing as a theme is 52% in Q3 2023. Grant share is based on the ratio of number of grants to total number of patents.

Recent Patents

Application: Supply circuit for power module with built-in isolation transformer and associated power module (Patent ID: US20230268112A1)

The patent filed by Safran SA describes an electrical power supply circuit for a power module. The circuit includes an electrical transformer with a primary circuit and a secondary circuit. The circuit comprises a first substrate and a second substrate, each with a heat sink on one side and metal tracks on the other side. Electrical connectors are used to connect the metal tracks on the first and second substrates. The primary circuit of the transformer is formed by a portion of the metal tracks on the first substrate and a portion of the metal tracks on the second substrate, while the secondary circuit is formed by another portion of the metal tracks on the first substrate and another portion of the metal tracks on the second substrate.

The electrical power supply circuit may also include an electrical isolator made of polymer material to encapsulate the electrical elements between the substrates. Additionally, a magnetic circuit may be formed by a magnetic core inserted between the metal tracks and surrounded by the electrical connectors. The magnetic core can be produced using an additive manufacturing process such as powder injection molding. Alternatively, the electrical transformer may be designed without a magnetic core.

The first and second substrates of the electrical power supply circuit, as well as the first and second module substrates of the power module, can be manufactured using additive manufacturing techniques. The power module includes electrical power components, a control circuit, and the electrical power supply circuit. The power module can be used in an aircraft.

In summary, Safran SA's patent describes an electrical power supply circuit for a power module that utilizes substrates with metal tracks, electrical connectors, and an electrical transformer with primary and secondary circuits. The circuit can include an electrical isolator and a magnetic core, and the substrates can be manufactured using additive manufacturing techniques. The power module can be used in an aircraft.

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GlobalData, the leading provider of industry intelligence, provided the underlying data, research, and analysis used to produce this article.

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.