Patent Number: 9,970,516

Title: Vehicle continuously variable transmission equipped with seal mechanism

Abstract: A vehicle continuously transmission mechanism includes a seal mechanism to seal a hydraulic chamber defined by fixed and movable members on a back surface side of a movable sheave of a pulley or seal an oil passage communicating with the hydraulic chamber. This seal mechanism has an annular seal member normally brought into intimate contact with an opposing surface of the sliding contact part and a lip seal member formed with an annular lip such that a tip end of the annular lip is directed toward the outside and a side surface of the annular lip located closer to the hydraulic chamber or oil passage is brought into elastic contact with the opposing surface of the sliding contact part.

Inventors: Tsuji; Yoichi (Sagamihara, JP), Suzuki; Takayuki (Hiratsuka, JP), Koshiji; Hirofumi (Hadano, JP), Katou; Kouichi (Hiratsuka, JP), Umezawa; Katsuyuki (Atsugi, JP)

Assignee: JATCO Ltd

International Classification: F16H 59/00 (20060101); F16H 63/00 (20060101); F16H 61/00 (20060101); F16H 9/18 (20060101); F16H 55/56 (20060101); F16H 63/06 (20060101)

Expiration Date: 2022-05-15 0:00:00