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Study with Quizlet and memorize flashcards containing terms like The ECU works in concerts with the engine's control module to optimize __________ and strategies you maximize fuel efficiency. A. RPM management B. Shift points C. Clutch control D. Clutch wear, True/False Most AMTs still use conventional method of shifting., In AMTs it is necessary to break torque or unload the _______ as a ...
- Automatic Transmission Characteristics Flashcards - Quizlet
Terms in this set (16) Automatic Transmission. Automatic...
- Automatic Transmission Characteristics Flashcards - Quizlet
Terms in this set (16) Automatic Transmission. Automatic transmissions transfer engine power to the drive wheels, can change gear ratios automatically, uses a torque converter to transfer engine power to the transmission, and converts engine power/RPMs into forward or reverse motions. What are the components of a Mechanical System type?
Double. Study with Quizlet and memorize flashcards containing terms like Technician A says that when an automatic transmission/transaxle shifts into overdrive, the output shaft is rotating faster (higher RPM) than the engine crankshaft. Technician B says that an overdrive ratio is a ratio where the first number is less than 1.
[1] [2] [failed verification] The first mass-produced automatic transmission is the General Motors Hydramatic four-speed hydraulic automatic, which was introduced in 1939. Automatic transmissions are also found in some heavy commercial vehicles, particularly those which are subject to intense stop/start operation such as buses and waste collection vehicles .
The first real automatic transmission, referring to the first transmission to not use any kind of clutch at all, was the famous Hydra-Matic four-speed automatic. The Hydra-Matic transmission was invented in 1939 by General Motors, and was first included as an option in several models under their Oldsmobile brand.
- Stefan Kristensen
The automatic transmission was first invented and developed in the United States, with General Motors playing a key role in its initial design and technological advancements. It all started in the early 20th century when a visionary engineer, Earl Thompson, began experimenting with the concept of an automatic gearbox.
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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 ...
