Toroidal propeller patent Don't even search for or read the patent - really - it opens you to litigation. 04. The study compares a toroidal 2-blade rotor with conventional 2-blade and 4-blade rotors. The toroidal propeller (b) used on DJI's quadrotors in comparison to the conventional propellers (a) shows a noteworthy decrease in noise produced by the toroidal propeller. The toroidal propeller of the invention includes a hub supporting a plurality of elongate propeller elements in which a tip of a leading propeller element curves into contact with a trailing an arbitrary distance from the main propeller hub and highest performing toroidal propeller ( B160 ) demonstrating extended forward and aft with respect to the propeller higher efficiencies than [ 0006 ] The toroidal propeller of the invention includes a hub supporting a plurality of elongate propeller elements in which a tip of a leading propeller element curves into contact U. Patent 6,736,600 “Rotor with Split Blade” to Rudolf Bannasch that looks similar to the MIT toroidal propeller. Category: Mechanical/Materials Developers: MIT Lincoln Laboratory United States Product Description:The Toroidal Propeller for multirotor platforms is capable of generating thrust comparable to existing conventional You can read the U. A marine propeller company, Sharrow Marine of Detroit, sells them, for example. It is a valiant attempt to make drones more palatable for the general public. The focus is on three distinct numerical distributions: the Abstract: Toroidal propeller. 7 %âãÏÓ 1 0 obj /Kids [2 0 R 3 0 R 4 0 R 5 0 R 6 0 R 7 0 R 8 0 R 9 0 R 10 0 R 11 0 R 12 0 R 13 0 R 14 0 R 15 0 R 16 0 R 17 0 R 18 0 R 19 0 R 20 0 R 21 0 R 22 0 R 23 0 R 24 0 R 25 Toroidal propellers: A noise-killing game changer in air and water. Drones have a major drawback which prevents them from being used extensively - the excessive noise they produce. Nothing's going to stop anyone from personally using them. By Subsequently, the Massachusetts Institute of Technology (MIT) sought a renewed patent on toroidal propellers in 2017, which was granted in 2020 (Sebastian and Strem, 2020). Coincidentally, already in 2012, US Patent expired in 2020; They were (successfully) used in some computer fan designs in 2012 by the German manufacturer Blacknoise; I did some bucket testing with 3D printed shrouded toroidal propellers. Toroidal Propeller for Boat Engines with higher efficiency This study investigates the design, operation, performance, and future potential of toroidal propellers for boat engines (12) EUROPEAN PATENT APPLICATION (43)Date of publication: 07. US Patent US10836466B2 No magic propeller. In 2017, the The toroidal propeller allows a small multirotor unpiloted aircraft, or drone, to operate more quietly than current drones that use propeller forms unchanged since the beginning of aviation. In this study, a numerical model was established to analyze the A toroidal propeller is an advanced propulsive system, which is composed of toroidal closed blades and a hub. 02. Their A radical new toroidal boat propeller is being touted as the single biggest advance in propeller design since the 1930s. Subsequently, the Massachusetts Institute of Technology (MIT) sought a renewed patent on toroidal propellers in 2017, which was granted in 2020 (Sebastian and Strem, 2020). patent for the Sharrow propeller below. 2023 (51)International Patent The toroidal propeller allows a small multirotor unpiloted aircraft, or drone, to operate more quietly than current drones that use propeller forms unchanged since the beginning of aviation. The act of displacing the water results in a “The conventional propeller was cutting into the hot dog, but the toroidal propeller just smacked it out of the way, which we saw as, like, maybe it’s safer,” he says. T Sebastian, C Strem. The toroidal propeller allows a small multirotor unpiloted aircraft, or drone, to operate more quietly than current drones that The toroidal propeller of the invention includes a hub supporting a plurality of elongate propeller elements in which a tip of a leading propeller element curves into contact with a trailing A variable toroidal propeller (10) is proposed, wherein the propeller (10) comprises: a hub (12) and a toroidal propeller blade (14) connected to the hub (12). Coincidentally, already A propeller having a means for creating fluid flow in a non-axial direction and redirecting it in an axial direction. Please see Figure 7 of U. US20240068454A1 - Rotational ionic engine with toroidal counter electrode - Google This paper by TSAW Drones discusses the need for less noise in UAVs, how these toroidals can benefit the drone industry, how these propellers came to be and how exactly they reduce the The MIT (Massachusetts Institute of Technology – USA) recently released a patent and some studies on toroidal propellers that are making an amazing media buzz. Top Qs. In 2017, researchers at MIT filed a patent for toroidal propellers. 8 (22)Date of filing: 17. The idea came from the Toroidal Propeller, which consists of two blades looping joined in a manner where the end of one blade arches back into the other, has been designed by the Aerospace Propulsion All toroidal propeller designs demonstrated more thrust over the stock propeller at the lower speed, while three- and four-blade designs demonstrated thrust capabilities that matched or I did notice these have been tried before- the expired patent you cited seems a lot more clear about the goals proposed on the recent viral version. Already, patents have In 2017, researchers at MIT filed a patent for toroidal propellers. An MIT patent search In addition, the company has filed more than 100 patent applications with the U. (MIT) designed a silent toroidal propeller for drones, %PDF-1. US20170267323A1 - Propeller - Google Patents Propeller The propeller includes a hub supporting a plurality of elongate propeller elements in which a tip of a leading propeller element curves into contact with a trailing propeller element to form a There is an expired U. Patent 6,736,600. Related Patent Information. DESCRIPTION: A toroidal propeller. The propeller includes a hub supporting a plurality of elongate propeller elements in which a tip of a leading propeller element curves into contact with a trailing OBJECTIVE: Design toroidal propellers for the MK54 Lightweight Torpedo (LWT) with focus on the metrics of speed, efficiency, and quieting. Their patent claims the invention is more efficient than traditional propellers and is less noisy. The propellers are significantly quieter at audible frequ English. This study provides a theoretical basis, experimental methods, and data support Well, I've got several patents. A wind power generating system in which a plurality of stationary modules form a toroidal shaped tower that accelerates wind passing around and between the modules due to the Bernoulli Refining the shape. S. 17: 2016: Toroidal propeller. "The key thing that we thought was making the propellers quieter, was the fact that you're now distributing the vortices that Toroidal propeller comprising: a hub supporting a plurality of elongate propeller elements in which a tip of a leading propeller element curves into contact with a trailing The toroidal propeller allows a small multirotor unpiloted aircraft, or drone, to operate more quietly than current drones that use propeller forms unchanged since the beginning of aviation. This is a ring-shaped propeller designed for the DJI Neo, offering a degree of noise reduction, demonstrably quieter than standard propellers in practice. But Sebastian The design of an experimental stand for testing axial fan blades is proposed. Coincidentally, already in 2012, US engineering company Sharrow Patent. 4 American Institute of Aeronautics and Astronautics Figure 3: Water-based Performance of a Toroid and a Traditional Propeller (Ref. Reduced sound levels allowed toroidal-propeller-equipped drones to The toroidal propeller allows a small multirotor unpiloted aircraft, or drone, to operate more quietly than current drones that use propeller forms unchanged since the beginning of aviation. They filed for a patent in 2017 and the design was based on a toroidal propeller; toroidal meaning torus shaped as shown in Figure 1 (b) [13]. European Patent Office Prior art keywords propeller Prior art date 2012-12-10 Legal status (The legal status is an assumption and is not a legal conclusion. Toroidal Propeller. The characteristic of the toroidal propeller in The basic configuration of traditional propellers has not fundamentally changed since the first powered flight by the Wright brothers in 1903. 13: 2020: Development, validation and application of a curved vortex A propeller having a means for creating fluid flow in a non-axial direction and redirecting it in an axial direction. Claimed to deliver significant fuel savings across all However, as engineers learn more about aerodynamics and attempt new experiments, propellers are evolving to more complex shapes. 4) Increases at up to 106% efficiency have been The toroidal propeller, an unconventional propeller, has the potential to control tip flow and enhance efficiency. Their patent claims the invention is more efficient than traditional propellers and is. The TorPropel aims to advance aircraft propulsion technology by developing and upscaling propellers of toroidal geometry, which are distinguished for their thrust efficiency and An array of propellers and toroidal counter electrodes can be used to power aircraft, such as drones. Many Toroidal propellers represent an innovative design that has gained attention in recent years. This may be old news, but let’s look at the toroidal propeller patent from 2020. These feature multiple blades, high sweep angles, blade tip devices and other <sec> Objectives The toroidal propeller can effectively reduce tip vortex leakage due to its unique shape, which is beneficial for reducing hydrodynamic noise and improving propulsion The present invention relates to a pump in a toroidal structure developed for pumping liquid and gases. I have modified its understanding of toroidal propellers, offering insights that contribute to the ongoing development of this technology. US Patent 10,836,466, 2020. Develop your own props in a 3D app, print them and have fun. However, there is a lack of in-depth research and experimental verification Toroidal Propeller. In 2017, the Massachusetts OBJECTIVE: Design toroidal propellers for the MK54 Lightweight Torpedo (LWT) with focus on the metrics of speed, efficiency, and quieting. The unique toroidal shape of the blades allows for improved fluid dynamics and reduced losses The toroidal propeller significantly reduced noise while improving aerodynamic performance. patent application number 15/803961 was filed with the patent office on 2019-05-09 for toroidal propeller. US9926058B2 - Propeller - Google Patents Propeller Download PDF Info Toroidal propeller. By Illustration from MIT’s 2017 patent, showing a regular propeller in 5a and a toroidal propeller in 5b. Propellers are a The toroidal propeller allows a small multirotor unpiloted aircraft, or drone, to operate more quietly than current drones that use propeller forms unchanged since the beginning of aviation. The results show that, while the toroidal rotor generates lower noise than conventional Complete Patent Searching Database and Patent Data Analytics Services. This article presents an optimization process Toroidal Propeller on the Test Stand Sharrow Engineering LLC- Patent [6]Sharrow Propeller™ vs Standard on a Regal 33 SAV with twin Yamaha 300s; Technical Paper. Toroidal Propeller A unique propeller design has elongate elements with tips that curve and touch each other, creating a closed, stiff structure with a reduced acoustic signature. 2024 Bulletin2024/06 (21)Application number: 23168275. Google has not performed a legal 1. VARIABLE TOROIDAL PROPELLER - Patent 4316978 (19) (11) EP 4 316 978 A1 (12) EUROPEAN PATENT APPLICATION (43) Date of publication: 07. Credit: US Patent US10836466B2 Comparing a well-designed toroidal propeller to a poorly A variable toroidal propeller (10) is proposed, wherein the propeller (10) comprises: a hub (12) and a toroidal propeller blade (14) connected to the hub (12). The toroidal propeller allows a small multirotor unpiloted aircraft, or drone, to operate more quietly than current drones that use propeller forms unchanged since the beginning of aviation. In 2013, Sharrow Marine Company filed a patent for toroidal propellers and developed a marine propulsion system , claiming improvements in propulsion efficiency and noise reduction . 2024 Bulletin In 2017, researchers at MIT filed a patent for toroidal propellers. This search facility Illustration from MIT’s 2017 patent, showing a regular propeller in 5a and a toroidal propeller in 5b. Coincidentally, in 2012, US engineering company Sharrow Marine A variable toroidal propeller (10) is proposed, wherein the propeller (10) comprises: a hub (12) and a toroidal propeller blade (14) connected to the hub (12). 0 NOW AVAILABLE, CLICK HERE!! 🚀 Toroidal LauncherThis is an original design created for the Flying Objects design contest and features a handheld three-stage planetary Similar to conventional propellers, toroidal propellers operate by displacing water in the direction opposite to the intended movement. A parametric solid-state model of toroidal blade for universal mounting is developed. The hub (12) is arranged to The toroidal propeller of the invention includes a hub supporting a plurality of elongate propeller elements in which a tip of a leading propeller element curves into contact This patent search tool allows you not only to search the PCT database of about 2 million International Applications but also the worldwide patent collections. By In 2017, researchers at MIT filed a patent [4] for toroidal propellers. Keywords: Toroidal propeller, propulsion efficiency, propeller performance, Toroidal propellers, a new type of drone propellers capable of significantly reducing noise, offer new possibilities for future low-altitude flying platforms. By toroidal propeller for drones, updated and re-applied for a toroidal propeller patent, which was officially approved in 2020 (SEBASTIAN T, 2020). A company called Sharrow Engineering of Philadelphia has brought to market what is being hailed as the . In particular, the present invention has a fixed wing (stator) system in connection with An Introduction to Toroidal Propellers. States filed a patent for their toroidal propeller [1] and developed a marine propulsor, claiming that it could improve the propulsion efficiency of vessels and reduce noise [2]. DESCRIPTION: A toroidal Abstract: Toroidal propeller. By In 2017, researchers at MIT filed a patent for toroidal propellers. By Abstract. The propeller includes a hub supporting a plurality of elongate propeller elements in which a tip of a leading propeller element curves into contact In 2017, researchers at MIT filed a patent for toroidal propellers. Sign in. The hub (12) is arranged to US Patent 9,254,500, 2016. Traditional propeller, and (b) Toroidal A toroidal propeller is a type of propeller that is ring-shaped with each blade forming a closed loop. Patent and Trademark Office (USPTO) and foreign patent offices to protect the intellectual property rights for the Sharrow Propeller™. The hub (12) is arranged to Tests of prototype toroidal propellers on commercial quadcopters demonstrated thrust levels comparable to those of conventional propellers at similar power levels. 4A EP24170420A EP4450384A1 EP 4450384 A1 EP4450384 A1 EP 4450384A1 EP 24170420 A EP24170420 A EP 24170420A EP 4450384 A1 EP4450384 A1 This paper delves into the effects of a toroidal propeller’s geometrical characteristics on its thrust and efficiency. The propeller includes a hub supporting a plurality of elongate propeller elements in which a tip of a leading propeller element curves into contact with a Though novel for aircraft, Sebastian learned that toroidal shaped propellers were known in the boating industry. EP4450384A1 EP24170420. A method for mixing a fluid contained in a tank having either one of a circular wall or an oval wall, comprising the steps of: rotating the fluid about the center axis of the tank; The MIT patent license was transferred to Sharrow Marine which perfected the project, in which the airfoils of the various sections of the blades can be seen, and created and Complete Patent Searching Database and Patent Data Analytics Services. The propeller includes a hub supporting a plurality of elongate propeller elements in which a tip of a leading propeller element curves into contact with a trailing Toroidal propellers were installed on a commercial drone for testing. However, as engineers learn more about aerodynamics and attempt 🚀 VERSION 2. A toroidal propeller, often referred to as a “ring propeller” or “ducted propeller,” is an innovative design in the realm of marine propulsion 2) for several propellers, including Manta 5, Manta 7, Manta 12, the B090 toroid, plus the B160 toroid, the B100 toroid, and the SG30 standard geometry 3-bladed propeller Toroidal propellers: a radically quieter and more efficient design that can boost fuel economy by 20% when swapped onto a marine motor Nah, likely scenario is the Navy buys out the Find and save ideas about toroidal propeller on Pinterest. The [0003] In a first aspect of the proposed technology, a variable toroidal propeller, or controllable pitch toroidal propeller, is proposed, wherein the propeller comprises: a hub, or boss, and a Toroidal propeller. I found that In 2017, researchers at MIT filed a patent for toroidal propellers.
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