sun-and-planet gear
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Murdock
- In William Murdock
…credited with devising the so-called Sun-and-planet motion, a means of making a steam engine give continuous revolving motion to a shaft provided with a flywheel. Watt, however, patented this motion in 1781. Murdock also experimented with compressed air and in 1803 constructed a steam gun. He retired from business in…
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Watt
- In James Watt: The Watt engine
…in 1781 with his so-called sun-and-planet gear, by means of which a shaft produced two revolutions for each cycle of the engine. In 1782, at the height of his inventive powers, he patented the double-acting engine, in which the piston pushed as well as pulled. The engine required a new…
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