Clutch
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A clutch is a mechanical device that allows an output shaft to be disconnected from a rotating input shaft. The clutch's input shaft is typically attached to a motor, while the clutch's output shaft i
Friction disk for a dry clutch
Plate clutch
Cone clutch
Cascaded-pawl single-revolution clutch in a teleprinter
Automatic transmission
Videos
An automatic transmission or automatic gearbox is a multi-speed transmission used in motor vehicles that does not require any input from the driver other than throttle position to change forward gears
Clutch
…material used for the clutch disk varies, with a common material being an organic compound resin with a copper wire facing or a ceramic material. In an automatic transmission, the role of the clutch is performed by a torque converter. However, the transmission itself often includes internal clutches, such as a lock-up clutch…
Cutaway view of a 2007 Toyota AA80E hydraulic automatic
Gear selector of a 1992 Ford Escort with automatic transmission
Cutaway view of a ZF 8HP transmission: torque converter on the left, planetary gearsets in the centre, control mechanisms at the bottom
Torque converter – cutaway view