Sanmina has filed a patent for an aircraft and propeller assembly that includes a propeller adapter with multiple propeller blades. One of the propeller blades is pivotable within the common plane and is equipped with a spring mechanism to control its movement. The assembly also features a stopping mechanism to prevent the propeller blade from pivoting beyond a certain point in a storage position. GlobalData’s report on Sanmina 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 Sanmina, Treatment progress monitoring was a key innovation area identified from patents. Sanmina's grant share as of September 2023 was 63%. Grant share is based on the ratio of number of grants to total number of patents.
Propeller assembly with pivotable blades and stopping mechanism
A recently filed patent (Publication Number: US20230234702A1) describes a propeller assembly for an aircraft. The propeller assembly includes a propeller adapter with a stopping mechanism, a plurality of propeller blades, and a spring. At least one propeller blade is pivotably coupled to the propeller adapter and can pivot within a common plane. The spring is coupled between the propeller adapter and the pivotable propeller blade. The stopping mechanism is positioned to prevent the propeller blade from pivoting beyond the stopping mechanism in a storage position. The spring is configured to exert a force on the propeller blade to pivot it within the common plane to a storage position when the propeller assembly is not rotating. This force can be overcome when the propeller assembly is rotating, allowing the propeller blade to pivot to a flight position.
The patent also describes an aircraft that incorporates this propeller assembly. The aircraft includes a frame and at least one propeller coupled to the frame. The propeller includes a propeller adapter with a stopping mechanism, a plurality of propeller blades, and a spring mechanism. The propeller blades are coupled to the propeller adapter and extend from it within a common plane. At least one propeller blade is pivotably coupled to the propeller adapter and can pivot within the common plane. The spring mechanism is coupled between the propeller adapter and the pivotable propeller blade. Similar to the propeller assembly, the stopping mechanism prevents the propeller blade from pivoting beyond the stopping mechanism in a storage position. The spring mechanism exerts a force on the propeller blade to pivot it within the common plane to a storage position when the propeller is not rotating. This force can be overcome when the propeller is rotating, allowing the propeller blade to pivot to a flight position.
The patent also includes a method of making an aircraft using this propeller assembly. The method involves coupling a plurality of propeller blades to a propeller adapter in a common plane, pivotably coupling at least one propeller blade to the propeller adapter, coupling the propeller adapter to a frame, and coupling a spring mechanism to the propeller blade and the propeller adapter. The spring mechanism can be a torsion spring, and the pivotable coupling of the propeller blade to the propeller adapter can be achieved using a rotating sleeve. The spring mechanism applies a force on the propeller blade to pivot it within the common plane to a storage position when the propeller blades are not rotating. This force can be overcome when the propeller blades are rotating, allowing the propeller blade to pivot to a flight position.
Overall, this patent describes a propeller assembly and its application in an aircraft, providing a mechanism for propeller blades to pivot between storage and flight positions. The use of a spring mechanism and a stopping mechanism ensures controlled movement of the propeller blades.
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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.
