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  1. The Pump. ­Automatic transmissions have a neat pump, called a gear pump. The pump is usually located in the cover of the transmission. It draws fluid from a sump in the bottom of the transmission and feeds it to the hydraulic system. It also feeds the transmission cooler and the torque converter.

    • Clutch

      An automatic transmission contains several clutches. These...

    • Electric Screwdriver

      Power & Work Tools Image Gallery. Advertisement. When you...

    • Manual Transmission

      The dual-clutch automatic operates two different gears at...

  2. hide. Cutaway view of a 2007 Toyota AA80E hydraulic automatic. Typical gear selector for an automatic transmission. An automatic transmission (sometimes abbreviated AT) is a multi-speed transmission used in motor vehicles that does not require any input from the driver to change forward gears under normal driving conditions.

  3. Dec 2, 2022 · According to Tech Historian, the automatic transmission was first developed in the early 1900s by Karl Benz, who also invented the modern automobile. However, General Motors Corporation employees Edward A. Deeds and Charles F. Kettering developed the first automatic transmission widely employed in automobiles in 1924.

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  4. Here we offer a brief introduction and overview of the history of the automatic transmission. The First Automatic Transmissions. The first automatic transmission was invented in 1921 by a Canadian steam engineer, Alfred Horner Munro. Munro designed his device to use compressed air rather than hydraulic fluid so it lacked power and never became ...

  5. The Torque Converter. The key to the modern automatic transmission is the torque converter. It takes the place of a clutch in a manual transmission. A direct descendant of an earlier component ...

  6. Automatic transmissions continue to evolve, incorporating advanced technologies that enhance performance, fuel efficiency, and overall driving enjoyment. While we have covered the basics of how automatic transmissions work in this article, it's important to acknowledge that the inner workings of these systems can be quite intricate and complex.

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  8. Operation of an Automatic Transmission. The most common type of automatic transmission uses hydraulic power to shift gears. According to How Stuff Works, this device combines a torque or fluid ...

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