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Engine starting method and hybrid power system

A hybrid system and engine technology, applied in hybrid vehicles, engine control, machine/engine, etc., can solve problems such as long acceleration time and affecting driving performance

Pending Publication Date: 2020-09-25
SCHAEFFLER TECH AG & CO KG
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, acceleration of hybrid vehicles in the prior art takes a long time and thus adversely affects drivability

Method used

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  • Engine starting method and hybrid power system
  • Engine starting method and hybrid power system
  • Engine starting method and hybrid power system

Examples

Experimental program
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Embodiment Construction

[0023] The specific implementations of the starting method of the engine and the hybrid power system according to the present invention will be described below with reference to the accompanying drawings. The following detailed description and drawings are used to illustrate the principles of the present invention. The present invention is not limited to the described preferred embodiments, and the protection scope of the present invention is defined by the claims.

[0024] Furthermore, spatially relative terms such as "upper," "lower," "left," and "right," etc., are used to describe the relative positional relationship of one element to another as shown in the drawings. Accordingly, spatially relative terms may be applied in directions other than those shown in the figures when used. Obviously, while all these spatially relative terms refer to the directions shown in the figures for ease of illustration, those skilled in the art will understand that directions other than the ...

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Abstract

The invention relates to a starting method of an engine and a hybrid power system. The engine starting method is used for the hybrid power system. The hybrid power system comprises an engine used forproviding power and a motor, and a cut-off clutch, a clutch device and a transmission. The cut-off clutch is disposed between the engine and the motor to selectively connect or disconnect power transmission of the engine. The clutch device is arranged between the motor and the transmission so as to selectively connect or disconnect power of the motor and / or power of the engine to the transmission.The starting method comprises the following steps that under the condition that preset conditions are met, the rotating speed of the motor is increased, and when the rotating speed of the motor is increased to a first correction rotating speed, the state of the clutch device is switched from a sliding abrasion state to an engaged state; and the state of the cut-off clutch is switched from the sliding abrasion state to the engaged state when the rotational speed of the engine reaches a second corrected rotational speed while the clutch device is in the engaged state.

Description

technical field [0001] The present invention relates to the technical field of hybrid power, in particular, to a method for starting an engine and a hybrid power system. Background technique [0002] In a hybrid vehicle, both the engine and the electric motor provide power, which is transmitted to the drive shafts of the wheels via the transmission to drive the wheels. The P2 hybrid module is a hybrid module installed between the engine and transmission. A P2 hybrid module usually includes a connecting device, a disconnect clutch, an electric motor and a dual clutch device. The connecting device is used to connect the engine mechanically; the disconnect clutch can transmit the engine power to the hybrid module, and can also separate the engine from the hybrid module; the dual clutch device can transmit the power from the electric motor and / or the engine to the transmission. [0003] In order to reduce environmental pollution and save oil resources at the same time, hybrid...

Claims

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Application Information

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IPC IPC(8): B60W20/40B60K6/24B60K6/26B60K6/36B60K6/38F02D29/02
CPCB60K6/24B60K6/26B60K6/36B60K6/38B60W20/40F02D29/02Y02T10/62
Inventor 卢刚莫延召李强
Owner SCHAEFFLER TECH AG & CO KG
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