PROBLEM TO BE SOLVED: To uniformly cool a brake device of an automatic transmission.SOLUTION: An automatic transmission includes: a brake device (BR1) including a rotary side friction plate 21 and a fixed side friction plate 22; a transmission case 10 housing the brake device (BR1); a lubrication oil supply part 40 which supplies a lubrication oil introduced into the transmission case 10 to an upper part of the brake device (BR1); and a lubrication oil discharge part 50 which is provided below the brake device (BR1) and discharges the lubrication oil supplied from the lubrication oil supply part 40 to the brake device (BR1).SELECTED DRAWING: Figure 8
【課題】自動変速機のブレーキ装置を均一に冷却する。【解決手段】自動変速機は、回転側摩擦板21と固定側摩擦板22とを含むブレーキ装置(BR1)と、ブレーキ装置(BR1)を収容する変速機ケース10と、変速機ケース10内に導入された潤滑油をブレーキ装置(BR1)の上部に供給する潤滑油供給部40と、ブレーキ装置(BR1)の下方に設けられ、潤滑油供給部40からブレーキ装置(BR1)に供給された潤滑油を排出する潤滑油排出部50とを備える。【選択図】図8
AUTOMATIC TRANSMISSION
自動変速機
2017-03-09
Patent
Electronic Resource
Japanese