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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 ...
These are dual-clutch transmissions. 2008–present 6DCT 150 6-speed wet clutch. Ford Fiesta; 2008–present 6DCT 250 (DPS6) 6-speed dry clutch. Ford EcoSport, Ford Fiesta, Ford Focus. The 2012-2016 DPS6 Powershift transmission was used in the 2012–2016 Ford Focus and 2011–2016 Ford Fiesta sedans. This transmission is the subject of a ...
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:
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 ...
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.
In June 2014, [4] Volvo Trucks presented a new dual-clutch version of the I-Shift, known as SPO2812, with overdrive and a maximum torque of 2800 N·m. [5] The dual-clutch version is only available for trucks up to 540 hp. The I-Shift Dual Clutch has two input shafts which are alternatively connected to the engine through two clutches.