variable speed transmission

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• variable belt transmission — A continuously variable transmission using rubber V belts on expanding contracting pulleys, depending on engine speed and load; originally developed by van Doorne for DAF and then used on the Volvo 340 …   Dictionary of automotive terms

• Variable-frequency drive — A variable frequency drive (VFD) is a system for controlling the rotational speed of an alternating current (AC) electric motor by controlling the frequency of the electrical power supplied to the motor.cite book | first=Sylvester J. |… …   Wikipedia

• transmission — transmissive /trans mis iv, tranz /, adj. transmissively, adv. transmissiveness, n. /trans mish euhn, tranz /, n. 1. the act or process of transmitting. 2. the fact of being transmitted. 3. something that is transmitted. 4. Mach. a. transference… …   Universalium

• transmission — [1] A device (full of gears) that uses gearing or torque conversion to effect a change in the ratio between engine rpm and driving wheel rpm. When engine rpm goes up in relation to wheel rpm, more torque but less speed is produced. A reduction in …   Dictionary of automotive terms

• Speed of light — The speed of light in the vacuum of free space is an important physical constant usually denoted by the letter c . [NIST and BIPM practice is to use c 0 for the speed of light in vacuum in accord with international standard ISO 31 5. See… …   Wikipedia

• hydraulic transmission — ▪ technology       device employing a liquid to transmit and modify linear or rotary motion and linear or turning force (torque). There are two main types of hydraulic power transmission systems: hydrokinetic, such as the hydraulic coupling and… …   Universalium

• Variable bitrate — (VBR) is a term used in telecommunications and computing that relates to the bitrate used in sound or video encoding. As opposed to constant bitrate (CBR), VBR files vary the amount of output data per time segment. VBR allows a higher bitrate… …   Wikipedia

• Transmission and infection of H5N1 — from infected avian sources to humans is a concern due to the global spread of H5N1 that constitutes a pandemic threat.Infected birds pass on H5N1 through their saliva, nasal secretions, and feces. Other birds may pick up the virus through direct …   Wikipedia

• Variable compression ratio — is the technology to adjust internal combustion engine cylinder compression ratios on the fly. This is done to increase fuel efficiency while under varying loads. Higher loads require lower ratios to be more efficient and vice versa. Variable… …   Wikipedia

• Transmission (mechanics) — Gearbox redirects here. For the video game developer, see Gearbox Software. 5 speed gearbox + reverse, the 1600 Volkswagen Golf (2009). A machine consists of a power source and a power transmission system, which provides controlled application of …   Wikipedia

• Manual transmission — Transmission types Manual Sequential manual Non synchronous Preselector Automatic Manumatic Semi automatic Electrohydraulic …   Wikipedia