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公开(公告)号：US10066721B2
公开(公告)日：2018-09-04
申请号：US15318397
申请日：2014-07-11
发明人： Tetsumitsu Tanaka , Jitsuyuki Endou , Kenichi Sonowa , Mitsuo Yokozawa , Kazuhiro Takaki , Teppei Maki , Masakatsu Koide
IPC分类号： F16H48/06 , F16H57/031 , F16H48/10 , F16H48/40
摘要： A final drive device includes a housing and a final drive gear mechanism. The final drive gear mechanism is provided in the housing, and comprises a drive pinion and a ring gear meshed with the drive pinion and a differential gear mechanism. The differential gear mechanism includes a pinion rotatably supported by a pinion mate shaft, and a pair of side gears meshed with the pinion from both sides in an axle direction. The final drive device has a pinion carrier that is rotated in a direction around the axle integrally with the pinion mate shaft supporting the pinion, and which is secured to the ring gear. The pinion carrier is provided with a pinion housing unit that houses the pinion while permitting the pinion to rotate around its own axis. The side gears are fixedly located relative to the housing while being permitted to rotate around their own axes.
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公开(公告)号：US09695933B2
公开(公告)日：2017-07-04
申请号：US15025290
申请日：2014-10-23
发明人： Masato Koga , Atsushi Tsukizaki , Kenichi Mori , Ryohey Toyota , Takashi Kurita , Kazuhiro Takaki
CPC分类号： F16H61/0403 , B60Y2200/91 , F16H3/089 , F16H61/04 , F16H63/3466 , F16H63/502 , F16H2061/0418 , F16H2061/0422 , F16H2061/047 , F16H2306/48 , Y02T10/7258
摘要： An automatic transmission control device with which it is occurrence of meshing failure at the time of engaging an engagement clutch may be prevented while suppressing prolonged time for completing the engagement. Disclosed is an automatic transmission control device comprising: an automatic transmission that is provided in the drive system of a vehicle and that includes, as an coupling element, an engagement clutch which undergoes meshing/engagement at the time of coupling; and a transmission controller that performs transmission control of the automatic transmission. The engagement clutch includes: a clutch gear connected to a transmission input shaft; and a clutch hub connected to a transmission output shaft and capable of meshing with the clutch gear. At the time of shifting at which the engagement clutch is engaged, the transmission controller sets a target differential rotation speed for generating a predetermined differential rotation between the input rotation speed and the output rotation speed in the engagement clutch when the clutch gear and the clutch hub mesh with each other.
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