Vehicular power transmission device
A technology for power transmission devices and vehicles, which is applied to power devices, transmission devices, fluid transmission devices, etc., can solve problems such as limitations in thinning, and achieve the effects of shortening the overall axial length, suppressing leakage, and shortening the length in the axial direction.
Inactive Publication Date: 2015-03-04
TOYOTA JIDOSHA KK
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- Description
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- Application Information
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Problems solved by technology
However, there is a limit to the thinning of the above components
Method used
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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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Providing a vehicle power transmission device including a hydraulic power transmission device and enabling a shorter entire axial length. A vehicle power transmission device 12 includes a torque converter 18 and an automatic transmission 20 in a power transmission path between an engine 14 and drive wheels 16, the torque converter 18 including a rear cover 38 disposed with a plurality of pump blades 40, a turbine 42 disposed with a plurality of turbine blades 44 receiving a fluid flow from the pump blades 40, and a stator 46 disposed with a stator blade 45 disposed between the pump blades 40 and the turbine blades 44, the automatic transmission 20 transmitting power input to an input shaft 48 from the torque converter 18 to a subsequent stage. A release-side flow passage 132 acting as a circulation outward passage allowing fluid to flow toward the inside of the torque converter 18 at the time of a circulation of the fluid in the torque converter 18 is made up of a cylindrical gap 132a between the input shaft 48 and a stator shaft 62.
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 and a transmission mechanism in a power transmission path between an engine and driving wheels. The torque converter has: an input-side rotary member provided with a plurality of pump vanes; The output side rotating parts of the plurality of turbine blades of the fluid flow of the pump blade; and the stator blade having the stator blade disposed between the pump blade and the turbine blade, and the transmission mechanism will be input from the torque converter to the input The power of the shaft is transmitted towards the rear section. For example, Patent Documents 1 to 3 describe such vehicle power transmission devices. [0003] Patent Document 1: Japanese U...
Claims
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IPC IPC(8): F16H41/24F16H45/02
CPCF16D33/18F16H2045/0247F16H2045/0294F16H2045/0252F16H2045/002F16H2045/0205F16H45/02F16H41/30B60K6/365B60K6/48F16H41/24B60K2006/4825Y02T10/62
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