Textron has been granted a patent for a rotor assembly with a unique design featuring a unitary rotor hub and crosshead structure. The crosshead includes upper and lower tabs to securely hold rotor blades. The innovative design allows for efficient assembly and maintenance of the rotor system. GlobalData’s report on Textron 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 Textron, Regenerative braking was a key innovation area identified from patents. Textron's grant share as of May 2024 was 64%. Grant share is based on the ratio of number of grants to total number of patents.
Rotor assembly with unitary rotor hub and crosshead
A rotor assembly patent (Publication Number: US12012200B2) describes a unique design featuring a rotor hub with a central access port and a crosshead with upper and lower tabs defining a slot. The assembly includes a rotor mast for rotation and a control tube for pitch-change axis rotation of rotor blades. The crosshead design incorporates multiple tabs and recesses for efficient operation, with a mast adapter facilitating common rotation between the rotor hub and mast.
Furthermore, the patent details a method for assembling the rotor assembly, involving inserting rotor blades into hub arms, positioning roller elements for thrust bearings, and coupling the assembly to a rotor mast. The method includes steps for crosshead installation, engagement orientation, and operation, ensuring proper blade rotation. Additional steps cover the insertion of roller element retainers, rotor blade retainers, and fairings for comprehensive assembly. The method also outlines the process for assembling multiple rotor blades within the rotor hub for a complete rotor assembly.
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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.
