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In 1950, Franklin introduced the first electric motor that was fully submersible. The new pump motors were quiet, resistant to freezing, smaller, easy to install, and had a high pumping capacity. The new motors could recover water from much deeper in the earth, making it possible for the first time to develop areas with low water tables.
The "whirl" was an electrostatic reaction motor, the earliest of its kind; [1] while the second derives its theoretical importance as the first instance of the application of what came to be called electric convection. Gordon died in Erfurt, Thuringia.
Franklin called this device an "electrical battery", [4] but that term later came to have a different meaning, referring instead to a set of one or more galvanic cells. At that time, the word "battery" was a military term for a group of cannons. [32] Franklin was the first to apply the terms "positive" and "negative" to electricity.
Electro-hydraulic actuators (EHAs), replace hydraulic systems with self-contained actuators operated solely by electrical power.EHAs eliminate the need for separate hydraulic pumps and tubing, because they include their own pump, [1] simplifying system architectures and improving safety and reliability.
The Ben Franklin mesoscaphe, [1] also known as the Grumman/Piccard PX-15, is a crewed underwater submersible, built in 1968. It was the brainchild of explorer and inventor Jacques Piccard . The research vessel was designed to house a six-man crew for up to 30 days of oceanographic study in the depths of the Gulf Stream .
Franklin O-335. The firm began as the H. H. Franklin Co. in 1902 in Syracuse, New York, US, to produce Franklin air-cooled automobiles.Barely surviving bankruptcy in 1933, the company was purchased by a group of ex-employees and renamed Air-cooled Motors in 1937.
Since its first expedition to the Titanic shipwreck in the summer of 2021, the Titan’s crews encountered problems aboard the submersible, including issues with its electrical system and battery ...
Electric lighting, motion pictures, phonograph [4] 1974 Alexander Graham Bell: 1847 Telephone [5] 1974 Eli Whitney: 1765 Cotton gin [6] 1974 Walter Brattain : 1902 Transistor [7] 1974 William Shockley: 1910 Transistor [8] 1974 John Bardeen * 1908 Transistor [9] 1975 Nikola Tesla: 1856 Induction motor [10] 1975 Orville Wright: 1871 Airplane [11 ...
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