Internal combustion engine and method, computer program and...

Details Internal combustion engine and method, computer program and... Internal combustion engine and method, computer program and...

2005-12-13

2005-12-13

Kwon, John T. (Department: 3747)

Internal-combustion engines

Charge forming device

Fuel injection system

C123S480000

Reexamination Certificate

active

06973919

ABSTRACT:
In an internal combustion engine, the fuel reaches the combustion chamber of the engine via a fuel-injection device which includes a piezo actuator (50). In order to be able to optimally inject the fuel, it is suggested that the desired level (U_DES) of the drive energy (U) and/or the desired gradient (dU_DES) of the drive energy (U), with which the piezo actuator (50) is driven, is dependent upon a plurality of influence quantities (T, t, n, dx, dh) which influence the operating behavior of the piezo actuator (50).

REFERENCES:
patent: 6349705 (2002-02-01), Pirkl et al.
patent: 6486587 (2002-11-01), Klenk et al.
patent: 6499464 (2002-12-01), Rueger

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