Patent ID: 6948606

Claim:
A transmission comprising: a pump unit for applying hydraulic pressure; a transmission mechanism capable of outputting inputted rotation in variable speed; a pump casing for housing the pump unit, wherein the pump casing is integrated with a mission case for housing the transmission mechanism; a pump drive shaft rotatably fitted in a bearing hole in the pump casing, wherein the pump drive shaft drives the pump unit; a bearing member disposed between the pump drive shaft and the bearing hole; a seal member disposed between the pump drive shaft and the bearing hole, wherein the seal member seals the leakage of oil; and an oil reservoir provided between the seal member and the bearing member; wherein the pump casing is provided with an oil drain passage connecting the oil reservoir with the mission case; and wherein a shielding member is interposed between an opening of the oil drain passage to the mission case and at least part of the transmission mechanism to shield the at least part of the transmission mechanism, and wherein the shielding member is kept unrotatable against the mission case.