JPS62104058U - - Google Patents

Description

[Brief explanation of drawings]

The drawings show an embodiment of the present invention; FIG. 1 is a sectional view of a hydraulic continuously variable transmission; FIG. 2 is a diagram showing the meshing states of various gears as seen along the line - in FIG. 1; Figures 3 and 4 are the same as in Figure 2.
FIG. Figure 5 is a schematic diagram showing the torque transmission path in the case of low range, Figure 6 is a diagram equivalent to Figure 5 in the case of high range, Figure 7 is a diagram equivalent to Figure 5 in the case of reverse, and Figure 8 is a diagram equivalent to Figure 5 in the case of reverse. 2 is a diagram showing the rotational speed characteristics of the first unit, etc.; FIG. 4...First unit, 5...Second unit, 6...Planetary differential gear mechanism, 16...Low clutch, 18...High clutch, 29...Wasway clutch, 30...
Coasting clutch.

Claims (1)

[Scope of utility model registration request] A variable displacement pump and motor unit, a differential gear mechanism that distributes input torque into hydraulic torque and mechanical torque generated by the pump and motor unit, and a differential gear mechanism for changing the torque distribution by the differential gear mechanism. In a hydraulic continuously variable transmission equipped with a low clutch and a high clutch, the torque transmission system of the low clutch includes a one-way clutch that cuts off torque transmission in the opposite direction to the torque transmission direction in the low range, and a one-way clutch that cuts off torque transmission in the opposite direction to the torque transmission direction during engine braking. A hydraulic continuously variable transmission characterized by being provided in parallel with a coasting clutch that enables torque transmission.