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1. 发明申请

WO1992007206A1 TRANSMISSION DEVICE, IN PARTICULAR FOR A MOTOR VEHICULE 审中-公开
标题翻译：特别是用于电机的变速装置
公开(公告)号：WO1992007206A1
公开(公告)日：1992-04-30
申请号：PCT/FR1991000684
申请日：1991-08-22
申请人： MAT HOLDINGS B.V.
发明人： MAT HOLDINGS B.V. , ANTONOV, Roumen
IPC分类号： F16H61/02
CPC分类号： F16H61/0293 , F16H3/64 , F16H61/686
摘要： The crown wheel (2) of a planetary gear (5) is connected to the input shaft (7) while the planet carrier (4) is connected to the output shaft (12). The sun wheel (1) is locked by means of a free wheel (14) when the clutch (9) is released. The device then operates as a reduction gear. The sun wheel (1) rotates with the crown wheel (2) and the planet carrier (4) when the clutch (9) is engaged. The axial forces (FAP, FAC), sustained by the sun wheel (1) and the crown wheel (2) when in gear-reduction mode, and resulting from the helical tooth configuration, tend through the stop (17) to compress a spring (18) and release the clutch (9). When in direct drive and beyond a certain torque, the clutch (9) slips, thereby generating the above-mentioned axial forces which compress the spring and accelerate disengaging. The device operates as a reduction gear until the torque on the shaft (7) is reduced, thereby enabling the spring (18) to re-engage the clutch. For use on the input side of a gear box in order to automatically reduce speed ratios during acceleration, the gear box being itself preferably automatically controlled, especially under the effect of axial forces generated by other planetary gears.

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