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    • 3. 发明授权
    • Vehicle power transmission device
    • US08955658B2
    • 2015-02-17
    • US13989211
    • 2010-11-24
    • Yukihiko IdeshioTerufumi MiyazakiToshihiko KamiyaShingo EtoHironori AsaokaYasuyuki Kato
    • Yukihiko IdeshioTerufumi MiyazakiToshihiko KamiyaShingo EtoHironori AsaokaYasuyuki Kato
    • F16H45/02F16D33/18F16H41/30F16H45/00
    • F16D33/18B60K6/365B60K6/48B60K2006/4825F16H41/24F16H41/30F16H45/02F16H2045/002F16H2045/0205F16H2045/0247F16H2045/0252F16H2045/0294
    • It is provided a vehicle power transmission device having a torque converter and a power transmission mechanism in a power transmission path between an engine and drive wheels, the torque converter including an input-side rotating member disposed with a plurality of pump blades, an output-side rotating member disposed with a plurality of turbine blades receiving a fluid flow from the pump blades, and a stator disposed with a stator blade disposed between the pump blades and the turbine blades, the power transmission mechanism transmitting power input to an input shaft from the torque converter to a subsequent stage, within a circulation flow passage allowing circulation of fluid in the torque converter, a circulation outward passage allowing the fluid to flow toward the inside of the torque converter at the time of the circulation being made up of a gap between the input shaft of the power transmission mechanism and a tubular stator shaft coupled via a one way clutch to the stator, and the stator shaft being concentric with the input shaft and has a diameter larger than the input shaft, the torque converter including a lockup clutch selectively coupling the input-side rotating member to the output-side rotating member, the lockup clutch having a release-side chamber consisting of a portion of the circulation outward passage and having an inner pressure increased by supply of the fluid when the lockup clutch is released, the lockup clutch being disposed on a side opposite to the stator shaft relative to the output-side rotating member, the circulation outward passage including a through-hole penetrating the output-side rotating member in an axial center direction of the torque converter to be in communication with a gap between the input shaft of the power transmission mechanism and the stator shaft, and a gap in the axial center direction between the stator and the output-side rotating member being oil-tightly sealed on an outer circumferential side of the through-hole.
    • 4. 发明申请
    • VEHICLE POWER TRANSMISSION DEVICE
    • US20140256506A1
    • 2014-09-11
    • US13989332
    • 2011-11-24
    • Yukihiko IdeshioTerufumi MiyazakiToshihiko KamiyaShingo EtoHironori AsaokaYasuyuki Kato
    • Yukihiko IdeshioTerufumi MiyazakiToshihiko KamiyaShingo EtoHironori AsaokaYasuyuki Kato
    • B60W10/02B60W10/08
    • B60W10/023B60K6/365B60K6/48B60K2006/4825B60W10/08B60W2510/02F16H41/24F16H45/02F16H2045/002Y02T10/6221Y02T10/6252Y10S903/902Y10T477/26
    • A vehicle power transmission device having a torque converter in a power transmission path between an engine and drive wheels, the torque converter including an input-side rotating member disposed with a plurality of pump blades, an output-side rotating member disposed with a plurality of turbine blades receiving a fluid flow from the pump blades, and a stator disposed with a stator blade disposed between the pump blades and the turbine blades, the vehicle power transmission device includes: a case including a first chamber and a second chamber separated by a bulkhead disposed on an opposite side of the torque converter to the engine, the first chamber housing the torque converter, the second chamber being formed on an opposite side of the bulkhead to the torque converter, the first chamber and the second chamber being oil-tightly isolated from each other by an oil seal oil-tightly sealing a gap between an inner circumferential surface of the bulkhead and an outer circumferential surface of a cylindrical rotation shaft projected from the input-side rotating member toward the second chamber, the vehicle power transmission device being disposed with a thrust bearing between a side wall portion of the input-side rotating member closer to the bulkhead and the stator, the thrust bearing being disposed to partially or entirely overlap with the oil seal when viewed in a direction orthogonal to an axial center of the torque converter. a one way clutch being disposed between the stator and a non-rotating member which supports the stator, and a portion of the one way clutch protruding toward the second chamber as compared to the stator and an inner race of the one way clutch, the input-side rotating member having an annular projecting portion formed by projecting a portion at a radial position corresponding to the thrust bearing toward the bulkhead over entire circumference in the side wall portion of the input-side rotating member closer to the bulkhead, and the annular projecting portion containing the thrust bearing and a portion of the one way clutch.
    • 6. 发明申请
    • VEHICLE POWER TRANSMISSION DEVICE
    • US20130306423A1
    • 2013-11-21
    • US13989211
    • 2010-11-24
    • Yukihiko IdeshioTerufumi MiyazakiToshihiko KamiyaShingo EtoHironori AsaokaYasuyuki Kato
    • Yukihiko IdeshioTerufumi MiyazakiToshihiko KamiyaShingo EtoHironori AsaokaYasuyuki Kato
    • F16D33/18
    • F16D33/18B60K6/365B60K6/48B60K2006/4825F16H41/24F16H41/30F16H45/02F16H2045/002F16H2045/0205F16H2045/0247F16H2045/0252F16H2045/0294
    • It is provided a vehicle power transmission device having a torque converter and a power transmission mechanism in a power transmission path between an engine and drive wheels, the torque converter including an input-side rotating member disposed with a plurality of pump blades, an output-side rotating member disposed with a plurality of turbine blades receiving a fluid flow from the pump blades, and a stator disposed with a stator blade disposed between the pump blades and the turbine blades, the power transmission mechanism transmitting power input to an input shaft from the torque converter to a subsequent stage, within a circulation flow passage allowing circulation of fluid in the torque converter, a circulation outward passage allowing the fluid to flow toward the inside of the torque converter at the time of the circulation being made up of a gap between the input shaft of the power transmission mechanism and a tubular stator shaft coupled via a one way clutch to the stator, and the stator shaft being concentric with the input shaft and has a diameter larger than the input shaft, the torque converter including a lockup clutch selectively coupling the input-side rotating member to the output-side rotating member, the lockup clutch having a release-side chamber consisting of a portion of the circulation outward passage and having an inner pressure increased by supply of the fluid when the lockup clutch is released, the lockup clutch being disposed on a side opposite to the stator shaft relative to the output-side rotating member, the circulation outward passage including a through-hole penetrating the output-side rotating member in an axial center direction of the torque converter to be in communication with a gap between the input shaft of the power transmission mechanism and the stator shaft, and a gap in the axial center direction between the stator and the output-side rotating member being oil-tightly sealed on an outer circumferential side of the through-hole.