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Methods and system for positioning an engine

A technology of engine and starter, applied in the direction of engine starting, engine components, combustion engine, etc., can solve the problems of increasing engine starting time, etc., and achieve the effect of reducing starting time, reducing electric energy consumption, and fast starting

Active Publication Date: 2018-03-20
FORD GLOBAL TECH LLC
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Further, possible increased engine cranking time

Method used

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  • Methods and system for positioning an engine
  • Methods and system for positioning an engine
  • Methods and system for positioning an engine

Examples

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Embodiment Construction

[0014] This description relates to controlling starting and stopping of a hybrid vehicle. Hybrid vehicles can include such figure 1 Internal combustion engine shown in . Internal combustion engines can be included in such figure 2 in the drivetrain or powertrain of a hybrid vehicle as shown in . available via image 3 The engine position signal shown establishes engine position. can be based on Figure 4-Figure 6 method of operating a hybrid powertrain. Figure 4-Figure 6 method can provide Figure 7 The sequence of vehicle operations shown in .

[0015] refer to figure 1 , an internal combustion engine 10 comprising a plurality of cylinders is controlled by an electronic engine controller 12, wherein figure 1 One of the cylinders is shown. Engine 10 includes cylinder head 35 and block 33 including combustion chamber 30 and cylinder walls 32 . Piston 36 is positioned therein and reciprocates via a connection to crankshaft 40 . Flywheel 97 and ring gear 99 are coup...

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PUM

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Abstract

The application relates to methods and a system for positioning an engine. Systems and methods for positioning an engine during engine stopping and during vehicle activation are described. In one example, a belt integrated starter / generator rotates an engine before the engine is started to reduce engine starting time and determine engine position before the engine is started. The engine may be rotated to a first or second position based on a destination of the vehicle.

Description

technical field [0001] The present description relates to methods and systems for operating a hybrid powertrain including an engine and an electric machine for propelling a vehicle. The method and system are particularly useful for hybrid vehicles including engines and with integrated starter / generators and / or motor / generators. Background technique [0002] When activating the vehicle, the internal combustion engine can be selectively stopped and started. When restarting the engine, it may be desirable to know the engine position so that fuel can be delivered to the engine cylinders in a timely manner so that the engine cylinders do not receive multiple fuel injections when only one fuel injection is desired. Further, by injecting fuel into engine cylinders at known engine positions, engine emissions may be reduced and engine start consistency may be provided. However, if the vehicle is deactivated, when the engine is stopped, it may not be ensured that the engine starts f...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B60W10/06B60W10/08B60W10/02B60W10/10B60W30/18F02N11/04F02N11/08
CPCB60W10/02B60W10/06B60W10/08B60W10/10B60W30/18018F02N11/04F02N11/0803F02N11/0822F02N11/0814F02N11/0844F02N2019/007F02N2019/008F02N2200/123F02N2300/2002Y10S903/905B60W20/15B60W30/19B60W2510/0685B60W2510/244B60K2006/4825B60K6/387B60W20/12F02N11/0851F02N11/0862Y02T10/40
Inventor A·博伊科A·O`C·吉普森J·扎布洛茨基S·S·汤普森
Owner FORD GLOBAL TECH LLC
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