JPH02136840U - - Google Patents

Description

[Brief explanation of the drawing]

Fig. 1 is a sectional view showing one embodiment of a flywheel to which the torque fluctuation absorbing device of the present invention is applied;
The figure is a partially cutaway plan view seen from the arrow in Figure 1, Figure 3 is a transmission torque characteristic diagram of the flywheel in Figure 1, and Figure 4 is another implementation of the flywheel in Figures 1 and 2. An example is shown, with an enlarged view of the part indicated by the circle in Fig. 2, Fig. 5 is a transmission torque characteristic diagram of the flywheel of Fig. 4, and Fig. 6 is a diagram of the flywheel of a clutch to which the conventional torque fluctuation absorbing device is applied. 7 is a partially cutaway plan view of FIG. 6, FIG. 8 is an enlarged detailed view of the circle in FIG. 6, and FIG. 9 is a transmission torque characteristic diagram of the torque fluctuation absorbing device of FIG. 6. . 40... Flywheel, 41... Drive plate, 42... Driven plate, 46, 47
, 58...Friction washer, 49...Ring plate, 52-54...Coil spring,
57...Annular plate.

Claims (1)

[Claims for Utility Model Registration] (1) An annular plate interposed between a main drive plate and a driven plate that is rotatable relative to the drive plate, and that is rotatable relative to the drive plate, the annular plate, the drive plate, and the driven plate. a first pressure spring which is interposed between the annular plate and the driving plate, and which is compressively deformed when these are rotated relative to each other and transmits rotational torque corresponding to the amount of deformation; the annular plate; and the main driving plate. and a second driven plate, which is interposed between the driven plate and one of the driven plates, and starts compressive deformation when the relative rotation angle thereof reaches a first predetermined angle, and transmits a rotational torque corresponding to the amount of deformation. the pressure spring, when the relative rotation angle between the annular plate and one of the driving plate and the driven plate reaches a second predetermined angle that is larger than the first predetermined angle, the relative rotation thereof occurs. A first rotation regulating means for regulating the rotation of the first rotation regulating means;
The frictional engagement surfaces of the annular plate and the other of the driving plate and the driven plate slide, and from the time when these rotate relative to each other and rotate by a third predetermined angle, they are compressively deformed and the amount of deformation is determined. a third pressure spring that transmits rotational torque according to the rotational torque; and a fourth pressure spring in which a relative rotation angle between the annular plate and the other of the driving plate and the driven plate is larger than the third predetermined angle. A torque fluctuation absorbing device characterized by comprising a second rotation regulating means for regulating the relative rotation when a predetermined angle is reached. (2) A friction plate is provided between the driving plate and the driven plate, which frictionally engages with each of them, and which contacts and rotates integrally with the annular plate when the relative rotation angle of these plates reaches a predetermined angle. , the friction coefficient of the friction engagement surface of the friction plate with one of the driving plate and the driven plate is compared to the friction coefficient of the friction engagement surface of the friction plate with the other of the driving plate and the driven plate. The torque fluctuation absorbing device according to claim 1, characterized in that the torque fluctuation absorbing device is large. (3) The torque fluctuation absorbing device according to claim 2, wherein the friction plate contacts the annular plate after compression deformation of the second pressure spring starts.