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Four-wheel-drive vehicle

A four-wheel drive and two-wheel drive technology, applied in hybrid vehicles, motor vehicles, vehicle parts, etc., can solve the problems of using electricity for driving force, shortening distance, and not being able to use fuel heat energy for driving force, etc.

Pending Publication Date: 2021-09-14
TOYOTA JIDOSHA KK
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] Furthermore, in the four-wheel drive vehicle described in the above-mentioned International Publication No. 2011 / 042951, since the driving force from the engine cannot be transmitted to the drive system, only the driving force from the rotating machine is used to perform evacuation. In the case of travel), the thermal energy of the fuel cannot be used for the driving force, or in the case of evasive travel using only the driving force from the engine due to a failure of the rotating machine, the electric power cannot be used for the driving force, so The evasive driving distance will be shortened

Method used

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Examples

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Embodiment Construction

[0028] Hereinafter, embodiments of the present invention will be described in detail with reference to the accompanying drawings.

[0029] figure 1 This is a diagram illustrating a schematic configuration of a four-wheel drive vehicle 10 to which the present invention is applied, and is a diagram illustrating a main part of a control system for various controls in the four-wheel drive vehicle 10 . exist figure 1 Among them, the four-wheel drive vehicle 10 is a hybrid vehicle including an engine 12 (refer to “ENG” in the drawing), a first rotating machine MG1 and a second rotating machine MG2 as driving power sources. Further, the four-wheel drive vehicle 10 includes a pair of left and right front wheels 14L, 14R, a pair of left and right rear wheels 16L, 16R, and power for transmitting the driving force from the engine 12 and the like to the front wheels 14L, 14R and the rear wheels 16L, 16R, respectively. Transfer device 18 . The rear wheels 16L and 16R are main drive whee...

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Abstract

The invention relates to a four-wheel-drive vehicle. When evacuation travel is performed using only a drive power from one drive power source of an engine and a rotary machine, a drive power distribution device is prohibited from switching to a four-wheel-drive state and thus evacuation travel is performed in a two-wheel-drive state in which a loss in a power transmission device is relatively small. Accordingly, in the four-wheel-drive vehicle, it is possible to increase an evacuation-travelable distance when evacuation travel is performed using only the drive power from one drive power source of the engine and the rotary machine.

Description

technical field [0001] The present invention relates to a four-wheel drive vehicle configured to be switchable between a two-wheel drive state and a four-wheel drive state. Background technique [0002] A four-wheel drive vehicle is known that includes: a driving force source including an engine and a rotary machine; and a driving force distribution device capable of transmitting the driving force from the driving force source to the main driving wheel and the auxiliary driving wheel, and capable of Switching between a two-wheel drive state in which the drive force is transmitted only to the main drive wheels and a four-wheel drive state in which the drive force is transmitted a driving state transmitted to the main driving wheel and the auxiliary driving wheel; and a control device for controlling the driving force distribution device. For example, this is the case with the four-wheel drive vehicle described in International Publication No. 2011 / 042951. [0003] Furthermo...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B60W10/14B60K17/348B60K6/52B60K6/445
CPCB60W10/14B60K17/348B60K6/52B60K6/445B60K17/34B60K17/344B60Y2200/92B60Y2400/80B60K6/547B60K6/383B60W10/06B60W10/08B60W10/119B60W20/50B60W30/18172B60W10/184F16H2003/445F16H3/66F16H2200/0043F16H2200/2007F16H2200/2041F16H2200/2066F16H2200/2082Y02T10/62B60K6/24B60K6/26
Inventor 田端淳奥田弘一中野真人牧野有记
Owner TOYOTA JIDOSHA KK
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