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The Whitbread Engine of 1785. The sun and planet gear is a method of converting reciprocating motion to rotary motion and was used in the first rotative beam engines.. It was invented by the Scottish engineer William Murdoch, an employee of Boulton and Watt, but was patented by James Watt in October 1781.
This planetary gear train consists of a sun gear (yellow), planet gears (blue) and carrier (green) inside a ring gear (red) An epicyclic gear train (also known as a planetary gearset) is a gear reduction assembly consisting of two gears mounted so that the center of one gear (the "planet") revolves around the center of the other (the "sun").
The 4L60E (and similar 4L65E) is a series of automatic transmissions from General Motors.Designed for longitudinal engine configurations, the series includes 4 forward gears and 1 reverse gear.
Turbo-Hydramatic or Turbo Hydra-Matic is the registered tradename for a family of automatic transmissions developed and produced by General Motors.These transmissions mate a three-element turbine torque converter to a Simpson planetary geartrain, providing three forward speeds plus reverse.
Drawing from patent application shown in black, with annotations for Wikipedia in blue. The Ravigneaux gearset is a double planetary gear set, invented by Pol Ravigneaux, who filed a patent application on July 28, 1949, in Neuilly-sur-Seine France. [1]
Simpson Planetary Gearset Schematic Diagram. The two planetaries are interdependent via two permanent connections, that commonly but not necessarily have the same gears and gear ratios, both gearsets share a common sun gear.
Mark your calendars for Feb. 2. That’s the day NASCAR returns to action and Cup Series drivers get in gear for the 2025 season.. It all begins with the Cook Out Clash, an exhibition race at ...
All Sturmey-Archer gear hubs use epicyclic (planetary) geartrains of varying complexity. The AW is the simplest, using one set of planetary gears with four planets. The AM uses three compound planets with differently sized cogs machined from a common shaft to engage the gear ring and sun gear separately, while the close-ratio three-speeds, and hubs with four or more speeds, use multiple ...