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Saturday, June 13, 2015

Researchers create a wireless electric motor

Researchers at the University of Tokyo to develop a new technology in electric motors. The sophistication of the electric motor that successfully they develop so that it does not require a cable.

Usually an electric car requires a lot of wiring systems. So placement requires special attention. But now researchers in Tokyo have found a cure. They installed an electric in-wheel motor system that can directly transmit power to each wheel without wires.
A wireless in-wheel motor system for electric vehicles on display at the University of Tokyo's Kashiwa campus in Chiba Prefecture. (Picture from: http://bit.ly/1S0cUbt)
"This technology will pave the development of modern electric vehicles," said Hiroshi Fujimoto, an associate professor at the University of Tokyo and one of the researchers as quoted from The Asahi Shimbun. How does this wireless electric motor systems?

The theory is quite easy to digest. The system consists of a battery as a power supply. Power is supplied to a transmitting coil. Then from transmitting coil the power will be channeled to the receiving coil without wires. This power that would then drive the wheels.
Simple diagram of a wireless in-wheel motor system for electric vehicles. (Picture from: http://bit.ly/1S0cUbt)
If seen of the structure, a car with a system like this would have a lighter weight. Compared to a standard electric car, this system does not require a drive shaft which is mechanically deliver power to each wheel.

Researchers have tested it, and the results of these tests, the electric motor is inserted in this wheel, capable of running up to 75 km/h. *** [EKA | FROM VARIOUS SOURCES | THE ASAHI SHIMBUN | AUTOEVOLUTION]
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