| 摘要 |
A lubrication device for a belt type continuously variable transmission is provided in which a nozzle tube (25) communicating with an oil supply source (26) is disposed between a drive pulley (5) and a driven pulley (6) of a belt type continuously variable transmission (2) along the axial direction of the drive pulley (5) and the driven pulley (6), this nozzle tube (25) being provided with first and second oil spray holes (27, 28) for spraying oil toward belt grooves (12, 21) of the two pulleys (5, 6) respectively, wherein the first oil spray hole (27) is made to be open toward a large-diameter portion of a belt contact face (21a) of a fixed pulley half body (19) of the one, of the drive pulley (5) and the driven pulley (6), that is positioned on an upstream side of the nozzle tube (25), and the second oil spray hole (28) is made to be open toward the belt groove (12) of the other of the drive pulley (5) and the driven pulley (6) at a position downstream of the nozzle tube (25) relative to the first oil spray hole (27). This enables lubrication and cooling of a V belt on the drive and driven pulley sides to be carried out reliably even when the angles of the first and second oil spray holes relative to the axis of the nozzle tube are identical to each other. |
