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Method and device for starting an internal combustion engine

A technology for starting an internal combustion engine and a starter, which is applied in the directions of an internal combustion piston engine, a starting device with a mechanical power reserve, and an electric motor for an engine to achieve the effect of a comfortable and direct starting system

Active Publication Date: 2010-06-23
SEG AUTOMOTIVE GERMANY GMBH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

This dead time between the detection of a standstill of the internal combustion engine and the earliest point in time for restarting is too long for a comfort start-stop system or a direct-start system

Method used

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  • Method and device for starting an internal combustion engine
  • Method and device for starting an internal combustion engine
  • Method and device for starting an internal combustion engine

Examples

Experimental program
Comparison scheme
Effect test

Embodiment Construction

[0030] exist figure 1 An internal combustion engine is schematically shown in and marked with 100 . Internal combustion engine 100 has a cylinder 101 and a piston 102 , which enclose a combustion chamber 103 .

[0031] Fresh air is introduced into the combustion chamber 103 via an intake duct 104 via an intake valve 105 . Furthermore, fuel is introduced into combustion chamber 103 by means of injector 106 .

[0032] The fuel / air mixture thus generated in combustion chamber 103 is ignited, for example, by spark plug 107 . Thermal energy generated by combustion of the fuel / air mixture in the combustion chamber 103 is at least partially converted by the piston 102 into mechanical energy. The resulting downward movement of the piston 102 in the cylinder 101 sets the crankshaft 109 into a rotational movement via the connecting rod 108 . The piston 102 in this case continuously traverses the cylinder 101 from the top dead center OT to the bottom dead center UT.

[0033] During ...

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PUM

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Abstract

In a method, a device, a computer program and a computer program product for operating an internal combustion engine having a starter: a first threshold value and a second threshold value are specified; a first variable and a second variable are determined, which characterize the operating state of the internal combustion engine; the first variable is compared to the specified first threshold value and the second variable is compared to the specified second threshold value; and the starter starting, or not starting, the internal combustion engine as a function of the comparison result.

Description

technical field [0001] The invention relates to a device or a method of the type according to the independent claims. [0002] Computer programs and computer program products are also subjects of the invention. Background technique [0003] A device and a method for starting an internal combustion engine are known from DE 10 2006 047 608, wherein a ratchet starter starts the internal combustion engine. In this case, the ratchet starter has a DC electric motor with a ratchet, which engages in the ring gear of the internal combustion engine and rotates the internal combustion engine upon a start request. The ring gear of an internal combustion engine is generally located on the crankshaft. Furthermore, known ratchet starters have a so-called meshing relay, which pulls a meshing lever, which meshes the ratchet into the ring gear of the internal combustion engine. Once the engagement relay has been engaged, the main current circuit is automatically connected, which supplies e...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): F02N11/08B60R16/02
CPCF02N11/0855Y02T10/48F02N2200/041F02N2200/022F02N11/0844F02N15/067Y02T10/40
Inventor M·迪特里克
Owner SEG AUTOMOTIVE GERMANY GMBH