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翻訳と辞書　辞書検索 [ 開発暫定版 ] スポンサード リンク Synchronized down shift rev-matching system ： ウィキペディア英語版 Synchronized down shift rev-matching system Synchronized down shift rev-matching system (''SynchroRev Match'') is a technology invented by Nissan for use on manual transmissions. The technology was first used on the Nissan 370Z. In combination with the Engine Control Unit (ECU) and various sensors, the engine blips the throttle for the driver during both downshifts and upshifts to allow for better and smoother shifting, and improved handling. ==Purpose== When a car with a manual transmission is in motion with the clutch engaged, there is a mechanical connection between the engine and wheels which keep them in sync with each other. When shifting however, depressing the clutch is required. This breaks the mechanical connection between the engine and wheels, and the engine speed is no longer linked to that of the wheels. When upshifting, this is usually not a problem, as the tendency of the engine to reduce speed itself without gas will slow it to loosely match the lower speed of the higher gear. However, when downshifting, the engine needs to speed up to come to speed with the wheels. If the accelerator is not "blipped" (or briefly and quickly pressed to speed up the disengaged engine), the engine will have to take power from the wheels and momentum of the car to come to speed, which is often accompanied by a sudden deceleration of the vehicle due to the power suddenly going to the engine, often described as a "lurch" or "jolt". This sudden external acceleration of the engine through the transmission also causes increased wear on the mechanics of the car. Therefore, a staple of advanced or professional manual-transmission driving is the "rev match", or "throttle blip", in which the driver quickly brings the engine up to speed with the wheels by use of the throttle. As downshifting is often necessary when accelerating into or out of a curve or other slow-down, advanced techniques such as the "heel-toe method" are often required, in which the toe of the right foot presses on the brake pedal, while the heel of the same foot blips the throttle. Nissan's SynchroRev Match system makes such throttle blipping and advanced techniques by the driver unnecessary, and accomplishes engine rev-matching automatically. 抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』 ■ウィキペディアで「Synchronized down shift rev-matching system」の詳細全文を読む スポンサード リンク 翻訳と辞書 : 翻訳のためのインターネットリソース Copyright(C) kotoba.ne.jp 1997-2016. All Rights Reserved.