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Patent Searching and Data


Title:
TRANSMISSION, AND MANUFACTURING METHOD FOR SAME
Document Type and Number:
WIPO Patent Application WO/2019/171812
Kind Code:
A1
Abstract:
An automatic transmission (1) has: a torque converter (2) having a support member (12); an input shaft (10) installed on the inner periphery of the support member (12); a seal ring (S1) sandwiched between the support member (12) and the input shaft (10); and a bush (125) sandwiched between the support member (12) and the input shaft (10), and installed nearer to a distal end (10a) of the input shaft (10) than the seal ring (S1). The input shaft (10) has a large-diameter part (102) in contact with the seal ring (S1), and a small-diameter part (101) positioned nearer to the distal end (10a) than the large-diameter part (102) and smaller in diameter than the large-diameter part (102). An inside diameter (r2) of the seal ring (S1) is greater than an outside diameter (r1) of the bush (125). An axial length (L3) of the small-diameter part (101) is set to be longer than the distance from an engagement starting point (b2) in the bush (125) to the seal ring (S1). Such a structure prevents damage to a seal ring when a torque converter is assembled on an input shaft.

Inventors:
ISHIKAWA, Yasuhiro (700-1 Imaizumi, Fuji-sh, Shizuoka 85, 〒4178585, JP)
Application Number:
JP2019/002623
Publication Date:
September 12, 2019
Filing Date:
January 28, 2019
Export Citation:
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Assignee:
JATCO LTD (700-1, Imaizumi Fuji-sh, Shizuoka 85, 〒4178585, JP)
NISSAN MOTOR CO., LTD. (2 Takara-cho, Kanagawa-ku Yokohama-sh, Kanagawa 23, 〒2210023, JP)
International Classes:
F16H41/24
Foreign References:
JP2016080138A2016-05-16
JP2006161894A2006-06-22
JP2007333074A2007-12-27
Attorney, Agent or Firm:
KOBAYASHI, Hiromichi et al. (Ekisaikai Bldg. 1-29, Akashi-cho, Chuo-k, Tokyo 44, 〒1040044, JP)
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