| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide a vehicular gearbox in which reduction in stirring resistance and securing of lubrication can be made compatible excellently. <P>SOLUTION: An automatic gearbox 10 includes: a differential mechanism room 53 in which a final gear 31 of a differential function 13 is disposed; an oil pan room 54 which is disposed adjacently with the differential mechanism room 53 via a partition wall 41d in a horizontal direction and stores oil therein; a return port 41e which is provided in an upper part of the oil pan room 54 for returning to the oil pan room 54 oil stored on the bottom of the differential mechanism room 53 and scraped up by rotating the final gear 31; a first communication path 41f which is provided in the partition wall 41d and communicates the differential mechanism room 53 and the oil pan room 54; and a second communication path 41g which is provided in the partition wall 41d higher than the first communication path 41f and communicates the differential mechanism room 53 and the oil pan room 54. <P>COPYRIGHT: (C)2013,JPO&INPIT |
