| 摘要 |
A continuously variable transmission comprises two pulleys (1, 2), each with two pulley sheaves (4, 5) that are mutually oriented at a pulley angle (Φp), and a drive belt (3) with a ring set (31) and with a number of transverse members (32) that each arrive in contact with the pulley sheaves (4, 5) via two contact faces (37) that are mutually oriented at a contact angle (Φc-I;Φc-II). The drive belt (3) includes two types of transverse members (32-I, 32-II) that are distinguishable by the different contact angles (Φc-I;Φc-II) that are respectively defined between the contact faces (37) of the transverse members (32-I, 32-II) of the said two types. This transmission generates less noise during operation in comparison with a transmission utilizing a drive belt whereof the transverse members (32) are all provided with the same contact angle (Φc). |
