Valve control device for an internal combustion engine and...

Details Valve control device for an internal combustion engine and... Valve control device for an internal combustion engine and...

2006-07-04

2006-07-04

Denion, Thomas (Department: 3748)

Internal-combustion engines

Poppet valve operating mechanism

Electrical system

C123S090150, C251S129100, C251S129160

Reexamination Certificate

active

07069886

ABSTRACT:
The present invention pertains to a device for controlling a valve of an internal combustion engine, the device comprising an electromechanical actuator equipped with a magnet, and a processor controlling a defluxing current generating a magnetic field opposed to the magnetic field of the magnet, characterized in that it comprises means for controlling this defluxing current as a function of the open time of the valve and means for determining the rapidity of opening and/or closing of the valve from this open time, the controlled defluxing current ensuring the determined rapidity of opening and/or closing.

REFERENCES:
patent: 5111779 (1992-05-01), Kawamura
patent: 5117213 (1992-05-01), Kreuter et al.
patent: 6279523 (2001-08-01), Iida et al.
patent: 6390036 (2002-05-01), Yuuki
patent: 6532919 (2003-03-01), Curtis et al.
patent: 6634327 (2003-10-01), Yanai
patent: 1 010 866 (2000-06-01), None
patent: 2 784 497 (2000-04-01), None

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