| 摘要 |
PCT No. PCT/FI90/00295 Sec. 371 Date Jul. 1, 1992 Sec. 102(e) Date Jul. 1, 1992 PCT Filed Dec. 13, 1990 PCT Pub. No. WO91/09239 PCT Pub. Date Jun. 27, 1991.A continuously variable hydro-mechanical transmission wherein a power source input is split into three inputs. A torque provided by a power source proceeds to a bevel gear of a center boss. The torsional force of the lowest mechanical gear ratio is passed by means of an overrunning clutch to a planetary gear, the ratio being selected according to a required application. The torque of an intermediary gear translates hydrodynamically through the action of a fluid clutch to a collecting planetary gear at a given appropriate ratio. The torque of a direct gear translates mechanically through the action of a box drum directly to a torque output shaft. All three gear ratios participate in the transmission of torque simultaneously-either actively or passively.
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