VEHICLE HYDROMECHANICAL TRANSMISSION Russian patent published in 1996 - IPC

FIELD: transport; hydromechanical transmissions. SUBSTANCE: primary shaft 11 and secondary shaft 13 of hydromechanical transmission are installed coaxially. Each forward gear wheel 18-21 on countershaft 12 is installed for engagement with shaft by clutches 23 and 24 with baulk rings 29-32. Three-link mechanism is arranged coaxially with countershaft 12. Second link of mechanism is connected with countershaft. Third link of mechanism can be connected with housing 8. Wheel 28 is installed on secondary shaft 13 and is made for engagement with primary shaft 11. EFFECT: rational transformation of torque, increased service life of transmission, reduced transmitted power losses and mass and overall dimensions of transmission. 4 cl, 11 dwg