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Method of Improving the Safety of Hybrid Vehicles

A hybrid vehicle and hybrid technology, which is applied to the arrangement of multiple different prime movers of hybrid vehicles, general power plants, motor vehicles, etc., can solve problems such as erroneous control, and achieve the effect of preventing the increase of rotation speed.

Active Publication Date: 2021-09-21
SCHAEFFLER TECH AG & CO KG
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

In a given operating state in which it is necessary to disengage the hybrid disconnect clutch, erroneous control by the controller can cause the hybrid disconnect clutch to engage, which can lead to safety problems during driving a hybrid vehicle

Method used

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  • Method of Improving the Safety of Hybrid Vehicles
  • Method of Improving the Safety of Hybrid Vehicles
  • Method of Improving the Safety of Hybrid Vehicles

Examples

Experimental program
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Embodiment Construction

[0016] exist figure 1 A schematic diagram of a drive train 1 of a hybrid vehicle is shown in . The drive train 1 includes an internal combustion engine 2 and an electric motor 3 . Between the internal combustion engine 2 and the electric motor 3 , a hybrid separating clutch 4 is arranged directly or immediately downstream of the internal combustion engine 2 . The internal combustion engine 2 and the hybrid disconnect clutch 4 are connected to each other via a crankshaft 5 . The electric motor 3 has a rotatable rotor 6 and a fixed stator 7 . The output shaft 8 of the hybrid separating clutch 4 is connected to a transmission 9 , which includes a connecting element, not shown further, arranged between the electric motor 3 and the transmission 9 , for example a second clutch or a torque converter. The transmission 9 transmits the torque generated by the internal combustion engine 2 and / or the electric motor 3 to drive wheels 10 of the hybrid vehicle. In this case, the electric...

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Abstract

The invention relates to a method for improving the safety of a hybrid vehicle, wherein a hybrid separation clutch (4) separates or connects an internal combustion engine (2) and an electric motor (3), and the internal combustion engine (2) and / or the The torque output by the electric motor (3) is transmitted to the drive wheels (10) of the hybrid vehicle. In a method of avoiding a dangerous situation, when the electric motor (3) is used as the driving machine, in the event of a failure of the hybrid separation clutch (4), the speed of the internal combustion engine (2) (NIce ) is limited within the range of the current rotational speed (NEMot) of the electric motor (3).

Description

technical field [0001] The present invention relates to a method of improving safety of a hybrid vehicle, wherein a hybrid disconnect clutch separates or connects an internal combustion engine and an electric motor, and torque output by the internal combustion engine and / or the electric motor is transmitted to drive wheels of the hybrid vehicle. Background technique [0002] In hybrid vehicles that allow combinations of different drive modes, such as motor mode, motor-generator mode, combustion engine in coasting mode or traction, it is necessary to mechanically decouple the torque from the combustion engine and the electric motor. Run mode, turn off the internal combustion engine or electric motor mode. The separation of the internal combustion engine and the electric motor is in this case usually carried out automatically by means of a hybrid separation clutch. The automatic actuation of the hybrid separation clutch is carried out by an actuator which consists of a contro...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B60K6/48B60W10/06B60W20/50
CPCB60K6/48B60K2006/4825B60W10/06B60W20/50B60W50/0205B60W2050/022B60W2510/081Y02T10/62B60W10/113B60W20/40B60W2710/0644B60W2710/081B60W2710/244
Inventor 迈克尔·鲁契尔
Owner SCHAEFFLER TECH AG & CO KG
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