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Automated manual transmissions can be semi-automatic or fully-automatic in operation. Several different systems to automate the clutch and/or shifting have been used over the years, but they will generally use one of the following methods of actuation for the clutch and/or shifting: hydraulic or electro-hydraulic actuation, [12] electro-mechanical, [13] pneumatic, [6] [14] [15] electromagnetic ...
An early example of a semi-automatic motorcycle transmission was the use of an automatic centrifugal clutch in the early 1960s by the Czechoslovakian manufacturer Jawa Moto. [83] Their design was used without permission in the 1965 Honda Cub 50 , which resulted in Jawa suing Honda for patent infringement and Honda agreeing to pay royalties for ...
The Honda automobile torque converter had a lockup, leading the company to sell the original Hondamatic (which had just two forward gear ratios) as a three-speed. The true three-speed H3 was launched in 1979. In 1982 Honda introduced a four-speed fully-automatic (called Hondamatic Full-Auto), followed by a fully-automatic three-speed in 1983 ...
The 2009 Honda VFR1200F is the first motorcycle to use a DCT. [52] Honda has since expanded the application of the DCT to the Gold Wing model (model year 2018), the Africa Twin, the NT1100, Rebel 1100, and the NC700XD (model year 2012). In 2010, the Mitsubishi Fuso 6-speed Duonic transmission became the first DCT to be used in a truck. [53]
Oil pan of an automatic transmission with sedimented wear. Using a lint-free white rag to wipe the dipstick on automatic transmissions is advised so that the color of the fluid can be checked. Dark brown or black ATF can be an indicator of a transmission problem, vehicle abuse, or fluid that has far exceeded its useful life.
One-way bearing combining sprags and bearing rollers in one race Sprags jam when driven and slide when in reverse. A sprag clutch is a one-way freewheel clutch.It resembles a roller bearing but, instead of cylindrical rollers, non-revolving asymmetric figure-eight shaped sprags, or other elements allowing single direction rotation, are used.
A chainsaw's clutch. The chain wraps around a sprocket behind the clutch that turns with the outer drum. The input of the clutch is connected to the engine crankshaft while the output may drive a shaft, chain, or belt. As engine revolutions per minute increase, weighted arms in the clutch swing outward and force the clutch to engage. The most ...
This is an accepted version of this page This is the latest accepted revision, reviewed on 20 January 2025. Mechanical device that connects and disconnects two rotating shafts or other moving parts For other uses, see Clutch (disambiguation). Friction disk for a dry clutch A clutch is a mechanical device that allows an output shaft to be disconnected from a rotating input shaft. The clutch's ...