| 摘要 |
<p>The present invention pertains to the field of machine-tooling and essentially relates to a continuously variable transmission that comprises a central shaft (1), an epicycle (5) having outer central discs (4) attached thereon, solar wheels in the form of inner central discs (2), a carrier (6), a plurality of intermediate friction discs (3) mounted in the support (6) using axes (7) as well as rotating levers (12) and a mechanism for the combined modification of the transmission ratio and of the pressure. The latter includes power members applying an axial action (11) which are arranged on the end sides of all the above-mentioned central friction discs (2, 4), or else members pressing on the rotating levers as well as power members applying an axial action which are arranged on the outer side of the central friction discs so as to ensure contact in predetermined annular areas. The average axial rigidity of the power members applying an axial action and brought into contact with the central outer friction discs is, in terms of absolute value, higher than the average rigidity of the power members applying an axial action and brought into contact with the central inner friction discs (2).</p> |
