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Hybrid vehicle

一种混合动力车辆、动力的技术，应用在混合动力车辆、机动车、动力装置等方向，能够解决无法实现加速响应性等问题

Active Publication Date: 2019-04-16
HONDA MOTOR CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, in the hybrid vehicle drive device described in Patent Document 1, since the target engine speed is set independently of changes in vehicle speed, sufficient acceleration responsiveness cannot be achieved depending on the vehicle speed when the accelerator pedal is depressed.

Method used

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Embodiment Construction

[0072] Hereinafter, embodiments of the present invention will be described with reference to the drawings.

[0073] An HEV (Hybrid Electrical Vehicle: Hybrid Electric Vehicle) includes a rotating electric machine and an internal combustion engine, and travels using the driving force of the rotating electric machine and / or the internal combustion engine according to the driving state of the vehicle. HEVs are broadly classified into two types, a series type and a parallel type. A series-type HEV travels using the power of a rotary electric machine. The internal combustion engine is mainly used for power generation, and the electric power generated by other rotating electrical machines using the power of the internal combustion engine is charged into the accumulator or provided to the rotating electrical machine. On the other hand, a parallel-type HEV travels using the driving force of either or both of the rotary electric machine and the internal combustion engine. In addition...

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Abstract

The invention provides a hybrid vehicle capable of improving acceleration responsiveness without relying on a travel speed when a driving force is required to be increased during deceleration travel.The hybrid vehicle includes: a first rotating electric machine connected to an output shaft; an internal combustion engine; a second rotating electric machine connected to the internal combustion engine; a deriving portion configured to derive a required driving force based on an opening degree of an accelerator pedal operated by a driver of the hybrid vehicle; and a control portion configured tocontrol the internal combustion engine, the first rotating electric machine, and the second rotating electric machine according to the required driving force. The control portion is configured to holda revolution of the internal combustion engine at a predetermined value variable based on a travelling speed of the hybrid vehicle when the required driving force is 0 or less during travelling of the hybrid vehicle by power of the first rotating electric machine. The predetermined value is greater as the travelling speed is higher.

Description

technical field [0001] The present invention relates to a hybrid vehicle. Background technique [0002] Patent Document 1 describes a hybrid vehicle drive system of an internal combustion engine and an electric motor. In this hybrid vehicle drive system, a transmission including a lock-up clutch is connected to an internal combustion engine, and drive wheels are driven via a reduction gear. In addition, a first electric motor that drives drive wheels is connected to the transmission. Also, a clutch device is interposed between the auxiliary equipment driven by the internal combustion engine and the crankshaft of the internal combustion engine, and a second electric motor is provided so as to be able to drive the auxiliary equipment. In the hybrid vehicle drive system having such a structure, when the vehicle decelerates when the fuel supply to the internal combustion engine is stopped, the internal combustion engine is electrically driven by the second electric motor via t...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B60W10/06B60W10/08B60W10/26B60W20/10B60W20/20
CPCB60W10/06B60W10/08B60W10/26B60W20/10B60W20/20B60W2510/0638B60W2510/0657B60W2510/083B60W2540/10B60W2552/15B60K6/442B60K6/48B60K2006/4808B60K6/485B60K6/387B60K2006/4825B60K6/46B60K6/52B60W2540/12B60W2520/10B60W2520/105B60W2510/244B60W2710/0644Y02T10/62B60K6/38B60Y2300/18191B60K6/26B60Y2200/92B60K6/24
Inventor 由井直基
Owner HONDA MOTOR CO LTD
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