Self-igniting internal combustion engine

Details Self-igniting internal combustion engine Self-igniting internal combustion engine

2006-06-13

2006-06-13

Gimie, Mahmoud (Department: 3747)

Internal-combustion engines

Combustion chamber means having fuel injection only

Using multiple injectors or injections

C123S504000

Reexamination Certificate

active

07059295

ABSTRACT:
A method is provided for operating an internal combustion piston engine, in which fuel is injected directly into a working chamber in the form of a pre-injection and main injection by means of an injection nozzle with a plurality of injection holes. The pre-injection takes place in a clocked manner. In order to minimize the moistening of the walls of the combustion chamber, a higher fuel pressure prevails in an injection device during the main injection than during the pre-injection. Furthermore, optimum homogenization of the pre-injected quantity of fuel is obtained by restricting the range of the injected fuel jets while simultaneously maximizing the atomization of the fuel particles and reinforcing the disintegration of the fuel jets during the clocked pre-injection.

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Van Basshuysen/Schaefer: “Hanbuch Verbrennungsmotor, 2 Auflage” Jun. 2002, Vieweg&Sohn, Braunschweig/Wiesbaden XP 002244763 Seite 432, Absatz 12.5, Seite 435, Absatz 3; Abbildungen 12-22, 12-24.

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