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System and method for controlling automatic engine restart

A technology of engines and powertrains, applied in the directions of control devices, transportation and packaging, and driver input parameters, which can solve problems such as slipping and accelerator pedals

Active Publication Date: 2015-11-18
GM GLOBAL TECH OPERATIONS LLC
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

This causes the clutches and / or brakes in the transmission to disengage completely
These clutches and / or brakes may take time to fully re-engage when the engine is restarted, creating slippage and a delay between engagement of the accelerator pedal or release of the brakes and movement of the motor vehicle

Method used

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  • System and method for controlling automatic engine restart
  • System and method for controlling automatic engine restart
  • System and method for controlling automatic engine restart

Examples

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Embodiment Construction

[0064] The following description is merely exemplary in nature and is not intended to limit the present disclosure, application or uses.

[0065] refer to figure 1 , shows a motor vehicle and is generally indicated by reference number 5 . The motor vehicle 5 is shown as a sedan, but it should be understood that the motor vehicle 5 may be any type of vehicle, such as a truck, van or the like. Motor vehicle 5 includes an exemplary powertrain 10 . It should be understood in advance that while a rear wheel drive powertrain is shown, motor vehicle 5 may have a front wheel drive powertrain without departing from the scope of the present invention. The powertrain 10 generally includes an engine 12 interconnected with a transmission 14 .

[0066] Engine 12 may be a conventional internal combustion engine or an electric motor, or any other type of prime mover without departing from the scope of the present disclosure. The engine 12 provides drive torque to the transmission 14 throu...

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PUM

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Abstract

A system and method for controlling automatic stop-start of a motor vehicle is provided. The system and method is configured to enable an automatic stop-start mode of operation that minimizes clutch fill during engine restart.

Description

technical field [0001] The present disclosure relates to systems and methods for controlling automatic engine restarts, and more particularly to systems and methods for controlling automatic engine restarts that minimize torque-transmitting mechanism filling with hydraulic fluid. Background technique [0002] The statements in this section merely provide background information related to the present disclosure and may or may not constitute prior art. [0003] A typical automatic transmission includes a hydraulic control system that is used, among other functions, to actuate a number of torque-transmitting devices. These torque-transmitting devices may be, for example, friction clutches and brakes. Conventional hydraulic control systems typically include a main pump that supplies pressurized fluid, such as oil, to multiple valves and solenoids within the valve bodies. The main pump is driven by the engine of the motor vehicle. The valves and solenoids are operable to direc...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B60W30/18B60W10/06B60W10/115B60W10/30
CPCB60W30/18018B60W10/06B60W10/115B60W10/30B60W2510/108B60W2540/06B60W2540/10B60W2540/103B60W2540/12B60W2540/16B60W2710/1005B60W2710/1083
Inventor Z.J.张C.M.博肯斯特特P.G.奥塔内斯
Owner GM GLOBAL TECH OPERATIONS LLC