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Hydra-matic
- In 1939 Cadillac and Oldsmobile became the first manufacturers to utilize a fully automatic transmission in a production vehicle; they named it the Hydra-matic, which would later be named the Turbo Hydra-matic. It was developed for rear-wheel-drive vehicles and had four Forward speeds plus Reverse.
www.sonnax.com/tech_resources/982-the-evolution-of-automatic-transmissions-part-1-a-brief-history
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Many historians consider the first automatic transmission to be the one belonging to the 1904 Sturtevant horseless carriage, built by the Sturtevant brothers of Boston. This early automatic transmission had two forward speeds (but no reverse gear) and was driven by weights attached to the engine.
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An automatic transmission is a transmission with no gears but an electronically controlled system that does the shifting. This system’s torque converter helps redirect engine power from the crankshaft to the wheels. The engine produces power at different speeds; if you want more torque or power, it needs to increase its speed (rpm). The engine does...
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. They called their invention th...
The automatic transmission has gained popularity over the years for its convenience. It makes driving easier, helps save fuel, and reduces the risk of accidents due to poor driving skills or terrible weather conditions. Most modern vehicles, including cars, trucks, and motorcycles, have automatics. Automatic transmissions vary: from the four-speed,...
J.D. Power defines a continuously variable transmission(CVT) as an automatic transmission that can change gears smoothly without requiring mechanical linkages. The main difference between an automatic and a CVT is that the automatic transmission has several gears selected by a clutch and shift mechanism, whereas a CVT has no such gears. Instead, th...
There are several factors contributing to the demise of manual transmissions. First, the manual transmission has always been a niche market for performance cars and sports sedans, but many of those models are going away altogether. The latest trend in performance cars is all-wheel drive, which makes it harder to sell a manual transmission as they’r...
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The first automatic transmission to use a torque converter (instead of a fluid coupling) was the Buick Dynaflow, which was introduced for the 1948 model year. In normal driving, the Dynaflow used only the top gear, relying on the torque multiplication of the torque convertor at lower speeds.
The first automatic transmission for cars was introduced in 1939 by General Motors, known as the Hydra-Matic. It was initially only available in high-end luxury cars, but it quickly gained popularity and became a standard feature in most cars by the 1950s.
In 1921, the first automatic transmission was invented by a Canadian steam engineer, Alfred Horner Munro. Alfred Horner Munro ended up with the patent to back-up his claim, a Canadian patent in 1923 followed by similar in the UK (1924) and United States (1927).
In the early 1920s, Munro created the first automatic transmission, which featured four forward gears using compressed air. This design was a departure from traditional manual systems because it automated processes, reducing human error and increasing efficiency in operations.
May 29, 2010 · The production Dual-Range transmission was designed by corporate transmission engineer Kenneth W. Gage, although the basic idea had been described in Earl Thompson’s patent disclosures as far back as 1934. As the name implied, the Dual-Range Hydra-Matic now provided two Drive ranges.
