Dual clutch multiple countershaft transmission

First and second concentric input shafts are connected to an engine crankshaft through friction clutches, one for each input shaft. Two countershafts carrying forward speed ratio and reverse drive output gears are driven from pinions carried by each of the input shafts. Synchronizer clutches connect...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser:	FISHER, ALAN R
Format:	Patent
Sprache:	eng
Schlagworte:	BLASTING BRAKES CLUTCHES COUPLINGS FOR TRANSMITTING ROTATION ENGINEERING ELEMENTS AND UNITS GEARING GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVEFUNCTIONING OF MACHINES OR INSTALLATIONS GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS HEATING LIGHTING MECHANICAL ENGINEERING TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION TECHNICAL SUBJECTS COVERED BY FORMER USPC TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS THERMAL INSULATION IN GENERAL WEAPONS
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Beschreibung
Zusammenfassung:	First and second concentric input shafts are connected to an engine crankshaft through friction clutches, one for each input shaft. Two countershafts carrying forward speed ratio and reverse drive output gears are driven from pinions carried by each of the input shafts. Synchronizer clutches connect the output gears to the respective countershafts. The first forward speed output gear is mounted on its countershaft by way of an overrunning clutch. One forward speed output gear is continuously engaged with the reverse drive output gear and functions as a reverse idler for changing the direction of rotation of the countershaft when reverse drive is selected.