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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 ...
The fundamental principle of a DCT is that one clutch drives a gear-set for the even-numbered gears, while the other clutch drives the odd-numbered gears. [ 1 ] [ 2 ] [ 6 ] Since the DCT can pre-select an odd gear while the vehicle is being propelled in an even gear (or vice versa), DCTs can shift several times faster than is possible with a ...
Automatic vacuum-powered clutch plus a torque converter. Used in the Porsche 911. [72] [73] 1968–1971 Subaru Autoclutch Automatic electromagnetic clutch. [74] Used in the Subaru 360. [75] 1968–1976: Volkswagen Autostick: Automatic electro-pneumatic clutch plus a torque converter. Used in the Volkswagen Beetle and Volkswagen Karmann Ghia ...
When Kia introduced the facelifted Rio for Europe a few weeks ago, the press release briefly touted a clutch-by-wire six-speed manual transmission that would improve gas mileage and reduce CO2 ...
Manual – the driver has to perform each gear change using a manually operated clutch; Automatic – once placed in drive (or any other 'automatic' selector position), it automatically selects the gear ratio dependent on engine speed and load; Basically there are two types of engine installation:
A direct-shift gearbox (DSG, German: Direktschaltgetriebe [1]) [2] [3] is an electronically controlled, dual-clutch, [2] multiple-shaft, automatic gearbox, in either a transaxle or traditional transmission layout (depending on engine/drive configuration), with automated clutch operation, and with fully-automatic [2] or semi-manual gear selection.
A cone CVT varies the drive ratio by moving a wheel or belt along the axis of one or more conical rollers. The simplest type of cone CVT, the single-cone version, uses a wheel that moves along the slope of the cone, creating variation between the narrow and wide diameters of the cone. Some cone CVT designs use two rollers.
It is marketed variously under the trade names TCT - Twin Clutch Transmission , Euro Twin Clutch Transmission , [2] TCSS - The Twin Clutch System [3] and Dual-Dry-Clutch Auto Transmission . Able to receive torque inputs of up to 350 N⋅m (260 lbf⋅ft), the transmission is the highest-torque transverse dual-dry-clutch application.(2012) [ 4 ...