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Vehicular driving apparatus

A driving device, vehicle technology, applied in the direction of transmission, power device, fluid transmission, etc., can solve the problem of reducing the cooling efficiency of the rotating electrical machine MG, etc.

Active Publication Date: 2016-11-23
AISIN AW CO LTD +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

If the relatively high-temperature oil used for cooling the rotating electric machine MG stays in the second oil storage portion U2, the cooling efficiency of the rotating electric machine MG for the oil partially intruded into the second oil storage portion U2 may decrease.

Method used

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  • Vehicular driving apparatus
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Examples

Experimental program
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Effect test

Embodiment Construction

[0016] Embodiments of a vehicle drive device will be described with reference to the drawings. In addition, in the following description, unless otherwise specified, "axial direction L", "radial direction R", and "circumferential direction" refer to the input shaft of the speed change mechanism TM (the speed change input shaft, in this example is the axis center of the intermediate axis M) ( figure 2 The indicated axis X) is defined as the datum. In the present embodiment, all the rotating electric machine MG, the first clutch C1, and the torque converter TC are arranged coaxially with the transmission mechanism TM, so the respective "axial directions" of the rotating electric machine MG, the first clutch C1, and the torque converter TC , "radial direction" and "circumferential direction" correspond to "axial direction L", "radial direction R" and "circumferential direction" of the speed change mechanism TM, respectively. Also, the "first side L1 in the axial direction" mean...

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PUM

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Abstract

Provided is a vehicular driving apparatus that can efficiently cool a rotary electrical machine while keeping rotational resistance of a rotor low. The vehicular driving apparatus is provided with a first oil storage part provided so as to communicate with a transmission mechanism accommodation space, a hydraulic pump for supplying oil from the first oil storage part to a rotary electrical machine and a transmission mechanism, a second oil storage part provided inside a rotary electrical machine accommodation space, and a discharged-oil passage for discharging the oil from the second oil storage part to the first oil storage part. A fluid coupling accommodation space is formed axially between the rotary electrical machine accommodation space and the transmission mechanism accommodation space and is configured so that oil is not supplied to the periphery of the fluid coupling, the discharged-oil passage is provided with an inlet opening that opens toward the second oil storage part, and the lowest end of the inlet opening is positioned lower than the lowest end of the rotary electrical machine.

Description

technical field [0001] The present invention relates to a driving device for a vehicle, which includes: a rotating electric machine; a speed change mechanism provided on a power transmission path connecting the rotating electric machine and wheels; a hydraulic coupling drivingly connecting the rotating electric machine and the speed change mechanism; A body in which a rotating electric machine storage space for storing a rotating electric machine, a transmission mechanism storage space for storing a transmission mechanism, and a fluid coupling storage space for storing a fluid coupling are formed as mutually independent spaces. Background technique [0002] As the prior art of the vehicle drive device as described above, there is, for example, the technology described in Japanese Unexamined Patent Application Publication No. 2011-105195 (Patent Document 1). In addition, in the description of the background art column, the relevant component names of Patent Document 1 are cit...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B60K6/36B60K6/26B60K6/387B60K6/40B60K6/405B60K6/48B60K6/54B60L11/14F16D48/02F16H57/04B60L50/16
CPCB60K6/40B60K6/48F16H57/04F16D25/0638F16D25/123F16D2300/0214F16H57/042F16H57/0434F16H57/0436F16H57/0452B60L50/16B60K6/387B60K2006/4825Y10S903/914B60K6/547Y02T10/62B60K6/36B60K6/54B60K6/26B60K6/405B60K6/24B60Y2200/92F16D13/52F16D25/14F16H45/02
Inventor 须山大树服部克彦出盐幸彦
Owner AISIN AW CO LTD
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