The documents show that the US Patent Office has approved Tesla's revolutionary electromagnetic wiper design for the next generation of sports cars.
U.S. Patent Office documents show that Tesla's patent number 10,889,267 "Electromagnetic Windshield Wiper Design System" filed on March 5, 2018 has been approved. More than a year later, Tesla announced the patent on September 5, 2019, and was approved on January 12, 2021.
Tesla's patent shows an integrated wiper design that is not typical or similar to the "normal" two-piece windshield wiper architecture. Most vehicles, including all four current Tesla models, use two wipers that run in an arc from the bottom of the windshield. This allows drivers to cover the field of view of the car they are driving, but it does not remove every drop of rain on the glass surface. The top two corners and some other areas are not affected by traditional wiper design or range of motion.
However, Tesla wants to install something slightly different on its next-generation Roadster, which may be the fastest car ever to drive on public roads. Unlike the traditional dual wiper design, Tesla's patent details an integrated wiper system that uses an electromagnetic linear actuator to completely remove any rain or moisture on the windshield. It will start from one side and move directly to the other side, cleaning the entire windshield in one motion.
"The disclosed electromagnetic wiper system may include a linear actuator, which may include a guide rail and an electromagnetic moving block. The guide rail may include a plurality of permanent magnet rods that can be horizontally arranged along the curvature of the vehicle windshield. Electromagnetic movement The block can be used as an electromagnetic train, and can include a plurality of perforations and at least one electromagnetic coil surrounding the plurality of perforations in the electromagnetic moving block. The electromagnetic moving block can be controlled by the linear movement of the plurality of permanent magnet rods to manipulate and can be connected to the electromagnetic The wiper arm of the moving block wipes a limited area back and forth over the entire length of the windshield. For example, the entire transparent area of the windshield (ie close to one hundredth of the area). This may cause the electromagnetic moving block to move linearly There is minimal friction in the process."
When not in use, the wiper blade is hidden under the hood of the car. This adds to the Roadster's simple and modern design, without anything that might affect its aerodynamic advantages, including side mirrors.
The document shows that the US Patent Office officially granted the approval on January 12.
"U.S. Patent No. 10,889,267 [Application No. 16/291,186] was granted an electromagnetic windshield wiper system by the Patent Office on January 12, 2021. This patent authorization is currently assigned to Tesla, Inc.. Assignees listed in this patent It’s Tesla, Inc. The invention is attributed to Nicolas Clift, Gonzalo Espinoza Graham, Maithreya Kedambadi Prasanna."
Image source: U.S. Patent Office
Image source: U.S. Patent Office
Earlier this week, Tesla CEO Elon Musk provided some updates on the Roadster project, which has been delayed several times due to engineering modifications and battery constraints. When Musk appeared on the JRE podcast for the third time, he told Joe Logan that he wanted Roadster to hover, and he was still trying to figure out how to achieve this goal.
"I want it to hover. I want to figure out how to make this thing hover instead of, you know, kill. I think maybe we can make it hover, but not too high. So maybe it can hover over One meter above the ground, or something. So, if you descend straight down, you will blow off the suspension, but you won’t die. Maybe, I don’t know, six feet. If we set a height limit on it, it might It will be fine."
Regardless of whether the Roadster will hover, Musk still plans to release a SpaceX kit that will provide three tons of thrust to achieve crazy acceleration. In the fourth quarter 2020 earnings conference call, he also said that production may start next year.
The project will be completed this year and production will begin next year. Aims to release candidate designs at the end of summer. The three-motor drive system and advanced battery operation are important pioneers.
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