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Vehicular power transmission device

A technology of power transmission device and vehicle, which is applied in the direction of power device, pneumatic power device, transmission device, etc., can solve problems such as the limit of thinning

Inactive Publication Date: 2015-02-25
TOYOTA JIDOSHA KK
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, there is a limit to the thinning of the above components

Method used

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  • Vehicular power transmission device
  • Vehicular power transmission device
  • Vehicular power transmission device

Examples

Experimental program
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Embodiment 1

[0021] figure 1 It shows that, in a vehicle 10 including a vehicle power transmission device 12 (hereinafter referred to as "power transmission device 12") according to an embodiment of the present invention, 12 Diagram of the power transmission path to the drive wheels 16. figure 2 It is a cross-sectional view showing main parts of the above-mentioned power transmission device 12 , that is, the torque converter 18 , the automatic transmission 20 , the electric motor MG, and the like. The first axis C1 is the axis of the torque converter 18, the automatic transmission 20, and the like. In addition, in figure 2 In , the lower half below the first axis C1 is omitted.

[0022] Such as figure 1 As shown, the power transmission device 12 has a transaxle case (casing) 22 attached to the vehicle body by, for example, screwing, and a power transmission path provided between the engine 14 and the drive wheels 16 is provided in the transaxle case 22 . The torque converter 18 , th...

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PUM

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Abstract

Providing a vehicle power transmission device including a hydraulic power transmission device and enabling a shorter entire axial length. A transaxle case including a first chamber R1 and a second chamber R2 separated by a bulkhead 68 disposed on an opposite side of a torque converter 18 to an engine 14, the first chamber R1 housing the torque converter 18, the second chamber R2 being formed on an opposite side of the bulkhead 68 to the torque converter 18 is comprised, the first chamber R1 and the second chamber R2 are oil-tightly isolated from each other by an oil seal 70 oil-tightly sealing a gap between an inner circumferential surface of a through-hole 69 formed in the bulkhead 68 and an outer circumferential surface of a tubular pump drive shaft 58, a first thrust bearing 94 is disposed between a side wall portion of a rear cover 38 closer to the bulkhead 68 and a stator 46, the first thrust bearing 94 is disposed to partially overlap with the oil seal 70 when viewed in a direction orthogonal to a first axial center C1.

Description

technical field [0001] The present invention relates to a structure of a power transmission device for a vehicle constituting a part of a power transmission path between an engine and driving wheels. Background technique [0002] There is known a power transmission device for a vehicle that includes a torque converter in a power transmission path between an engine and drive wheels, wherein the torque converter includes: an input-side rotary member provided with a plurality of pump vanes; a plurality of turbine blades output-side rotary members of the fluid flow of the pump blades; and a stator blade provided with a stator blade arranged between the pump blades and the turbine blades. For example, Patent Documents 1 to 4 describe such vehicle power transmission devices. [0003] Patent Document 1: Japanese Unexamined Patent Publication No. 2010-105450 [0004] Patent Document 2: Japanese Patent Laid-Open No. 2008-138877 [0005] Patent Document 3: Korean Patent Publication...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): F16H41/24B60K6/26B60K6/36B60K6/40B60K6/48
CPCF16H45/02F16H2045/002Y10S903/902B60K6/48F16H41/24B60W2510/02B60K6/365B60K2006/4825Y10T477/26Y02T10/6252B60W10/08Y02T10/6221B60W10/023Y02T10/62
Inventor 出盐幸彦宫崎光史神谷敏彦江藤真吾浅冈博则加藤康之
Owner TOYOTA JIDOSHA KK