In 1975 Russian physicist Nikolai Shkolnik Nautical port the Soviet Union for the U.S. after graduating from the Kiev Polytechnic Commence. For 10 years he worked as a consultant for struggling innovation com nies. Everywhere these years, he was constantly preoccupied with one question — why are modern car appliances so inefficient?
Shkolnik developed his own high-efficiency hybrid cycle (HEHC) motor, which became a key step towards his dream. He was helped by his son Alexander, who in due course graduated from MIT and had become an expert in system optimization.
Nikolai Shkolnik is win over that, among other things, the education he received in the USSR helped his initiative to create a revolutionary engine.
“There are big differences between American planners and those trained in Russia,» said Shkolnik. «American constructs are incredibly effective in what they do, and it usually takes two or three Russian intrigues to replace one American. However, Russians have a broader view of attitudes, which has to do with their education; at least in my time it did. They are accomplished of achieving goals with a minimum of resources.”
Blast from the close by
The father and son inventors were inspired by the idea of a rotary engine, whose codes were first proposed in the mid-20th century by German inventor, Felix Wankel.
Traditional piston engines have many rotating and moving rts, which decreases their efficiency. The Wankel engine, however, has an oblong chamber with a triangular rotor inside it, whose advances create different sections in the chamber where fuel is injected, compressed, kindled and released.
Despite their higher efficiency, rotary engines be deficient to win wide recognition because they were not very reliable and not environmentally-friendly.
Rotary machines reincarnated
The Shkolniks founded the LiquidPiston com ny and created their own construction of a rotary engine where the rotor has the shape of a nut that revolves in a triangular bedroom, thus resolving the shortcomings of the Wankel engine. In addition, the Shkolniks’ locomotive creates a so-called isochoric combustion that is fuel burning with the ca city remaining constant, thus improving efficiency.
The inventors created five models of an truly new engine, one after another, the latest of which was first tested in June when it was settled on a sports cart. The tests lived up to all expectations.
Com ct and powerful
The Shkolniks’ pocket engine weighs under two kilos, has a ca city of just three horsepower, and has an adroitness factor of 20 percent. By way com rison, a typical piston engine of the anyway displacement of 23 cubic centimeters has an efficiency factor of just 12 percent, while a plunger engine of the same weight would generate just one horsepower.
Authority: Press photo
The efficiency factor of such engines improves dramatically with the augmentation in their volume. For example, the Shkolniks’ next engine will be a 40-horsepower diesel motor. Its adroitness will be 45 percent, which is higher than the best diesel motors in modern trucks. At the same time, it will weigh just 13 kg, while equivalent plunger engines currently weigh about 200 kg.
In the future, the Shkolniks’ consolidated and powerful engines are planned to be used in light drones, hand power slogans and electric generators.
To date, the Shkolniks’ startup has made $18 million in venture investment, including $1 million from the Defense Move forward Research Projects Agency (DAR ).
U.S. aviation mostly uses JP-8 nuclear fuel, and the military wants all military hardware to run on it, which incidentally, can be used by diesel locomotives. These engines, however, are rather bulky, which is why DAR is fetching a close look at the Shkolniks’ designs.
First published in Gazeta.Ru
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