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Tiptronic : ウィキペディア英語版
Manumatic

Manumatic, a portmanteau of the words manual and automatic, is a term referring to a class of automotive transmission.
Manumatic refers to an automatic transmission that allows convenient driver control of gear selection. For most of automotive history, automatic transmissions already allowed some control of gear selection using the console or column shifter. Manumatics enhanced this feature by providing either steering wheel mounted paddle shifters or a modified shift lever for more convenient operation. Different car manufacturers have been using a variety of labels for their manumatic transmissions, such as 'Tiptronic', 'Geartronic', 'Touchshift', 'Sporttronic', 'clutchless-manual' and others.
Some manumatic and semi-automatic transmissions allow the driver to have full control of gear selection, while many will intervene by shifting automatically at the low end and/or high end of the engine's operating range, depending on throttle position. Manumatics and most semi-automatic transmissions also provide the option of operating in the same manner as a conventional automatic transmission by allowing the transmission's computer to select gear changes.
==Two-pedal operation==
The Automotive Products Manumatic and Newtondrive systems are also known as "two-pedal transmissions". They relieve the driver of the need for skill in operating clutch and engine speed in conjunction with the gear change.
;Manumatic
A clutch servo powered by the vacuum at the induction manifold operated the automatic clutch - a conventional clutch incorporating centrifugal operation. A switch in the gear lever operated a solenoid valve so that when the gear lever was moved the clutch was disengaged. A control unit made throttle adjustments to keep the engine speed matched to the driven clutch plate and also varied the speed of clutch operation appropriate to road speed.〔Staton Abbey (ed) ''Practical Automobile Engineering'' Clutch Systems p 193-194〕
;Newtondrive
The Newtondrive system differed in making a provision for choke control and a cable linkage from clutch operating mechanism to the throttle.
The systems could be fitted to smaller cars such as the Ford Anglia.

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「Manumatic」の詳細全文を読む



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