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公开(公告)号：US20180163790A1
公开(公告)日：2018-06-14
申请号：US15372776
申请日：2016-12-08
发明人： Dengfu ZHANG , David BECK
CPC分类号： F16D13/72 , F16D13/52 , F16D13/644 , F16D13/683 , F16D13/74 , F16D25/0638 , F16D25/123 , F16H57/0473 , F16H2200/201 , F16H2200/2043 , F16H2200/2066 , F16H2200/2082
摘要： A clutch for an automatic transmission includes a clutch pack having a first set of friction disks interleaved with a second set of friction disks. The clutch further includes an annulus having an outer surface connected to the first friction disks and an inner surface. The annulus defines oil holes extending from the inner surface to the outer surface to permit oil to flow from the inner surface to the clutch pack. Air passageways are defined in the annulus and extend through the annulus permitting air to flow from the inner surface to the clutch pack to reduce drag losses between the first and second sets of disks. Each of the air passageways have an entrance that is radially inboard of an entrance of each of the oil holes.
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公开(公告)号：US20170167545A1
公开(公告)日：2017-06-15
申请号：US14966703
申请日：2015-12-11
发明人： Dengfu ZHANG , Jau-Wen TSENG , Chin-Yuan PERNG
IPC分类号： F16D13/52 , F16D25/0638 , F16D13/74
CPC分类号： F16D13/52 , F16D13/69 , F16D13/74 , F16D25/0638 , F16D25/123
摘要： A clutch pack includes a first set of clutch plates and a second set of clutch plates. The first set of clutch plates are arranged in an alternating configuration with the second set of clutch plates. The first set of clutch plates has radially outward extending teeth. The second set of clutch plates has radially inward extending teeth that define channels that are configured to allow air to flow into the clutch pack in an axial direction such that lubrication fluid located between adjacent clutch plates is channeled radially outward.
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公开(公告)号：US20200096059A1
公开(公告)日：2020-03-26
申请号：US16139122
申请日：2018-09-24
发明人： Dengfu ZHANG , Norman Jerry BIRD
IPC分类号： F16D41/12
摘要： A one-way clutch is provided. The one-way clutch may include an inner race and an outer race that may be provided with a pocket defining a leading edge and a trailing edge that may define a fluid passage. The one-way clutch may also include a rocker. The rocker may be disposed between the inner and outer races and include first and second ends. The first end may define first cross-sectional area and the second end, and the leading edge may define a second cross-sectional area that is less than the first.
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公开(公告)号：US20180238435A1
公开(公告)日：2018-08-23
申请号：US15435749
申请日：2017-02-17
CPC分类号： F16H57/0423 , F16H7/02 , F16H7/18 , F16H57/04 , F16H57/0457 , F16H57/05 , F16H57/12 , F16H2007/185
摘要： A snubber for an automotive transmission includes a generally flat surface configured to limit radially-outward movement of a drive member that transfers torque from a transmission gearbox output to a differential input. A mouth of the snubber is fluidly coupled to an internal cavity that capturing transmission fluid as the fluid is moved around due to movement of the drive member. A wing of the snubber extends from the generally flat surface toward the drive member. The wing has a hollow interior fluidly coupled to the internal cavity. A concave outer surface is located outside of and adjacent to the mouth. The concave surface deflects a portion of the fluid, preventing that portion from entering the mouth. This increases the flow of fluid away from the drive member which can lead to drag.
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公开(公告)号：US20180238434A1
公开(公告)日：2018-08-23
申请号：US15435703
申请日：2017-02-17
发明人： Dengfu ZHANG , Mark STEWARD , Lisa JAMIESON
CPC分类号： F16H57/0423 , F16H7/06 , F16H57/05
摘要： A baffle for a transmission of a vehicle is provided. The transmission includes a gearbox that outputs torque to a differential, which distributes the torque to the wheels. A chain transfers the torque from the transmission to the differential. A baffle is provided adjacent to, but spaced from, the chain to contain and direct at least some of the lubricating fluid that the chain comes in contact with. The baffle has a base with a planar side surface. A flange extends from the base, and extends radially about part of the transmission output and the differential input to follow the path of the chain. One end of the flange is provided with an opening to direct fluid through the opening, out of the baffle and into other regions of the transmission such as the transmission sump. This inhibits buildup of fluid in the sump of the baffle.
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