Automatic speed changer

A first element of a double planetary gear is selectively connected to an input shaft via a third clutch or is selectively fastened to the input shaft via a first brake. A second element is selectively connected to an intermediate shaft via a second clutch or is selectively fastened to the intermedi...

Ausführliche Beschreibung

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Bibliographische Detailangaben
1. Verfasser:	TANIGUCHI TAKAO,TSUKAMOTO KAZUMASA,HAYABUCHI MASAHIRO,KATOU AKITOSHI,KASUYA SATORU,KATOU NAOJI,KATOU HIROSHI,KITOU MASASHI,SANJI HIROAKI,TAKABAYASHI NAOKI
Format:	Patent
Sprache:	eng
Schlagworte:	BLASTING ENGINEERING ELEMENTS AND UNITS GEARING GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVEFUNCTIONING OF MACHINES OR INSTALLATIONS HEATING LIGHTING MECHANICAL ENGINEERING THERMAL INSULATION IN GENERAL WEAPONS
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Beschreibung
Zusammenfassung:	A first element of a double planetary gear is selectively connected to an input shaft via a third clutch or is selectively fastened to the input shaft via a first brake. A second element is selectively connected to an intermediate shaft via a second clutch or is selectively fastened to the intermediate shaft via a second brake, the intermediate shaft being directly connected to a speed increase element of a single planetary gear, the speed increase element being rotated while increasing the rotation speed of the input shaft. A third element is directly connected to an output shaft. A fourth element is selectively connected to the input shaft via a first clutch. Because of the construction above, the rotation speed of the input shaft is transmitted to the double planetary gear after being increased by the single planetary gear. As a result, torque that is distributed to each part of an automatic speed changer can be reduced, which enables reduction in the size of each part and capacity of each friction engagement element.