Electromagnetic actuator for controlling a valve of an...

Details Electromagnetic actuator for controlling a valve of an... Electromagnetic actuator for controlling a valve of an...

2007-01-02

2007-01-02

Chang, Ching (Department: 3748)

Internal-combustion engines

Poppet valve operating mechanism

Electrical system

C251S129010, C251S129160

Reexamination Certificate

active

11037479

ABSTRACT:
The present invention pertains to an electromechanical actuator controlling a valve of an internal combustion engine by means of a first magnetic field, generated in a variable manner by an electromagnet, and a second magnetic field, generated by at least one magnet associated with the electromagnet. According to the present invention, the actuator is characterized in that it comprises at least one connecting part forming a magnetic circuit facilitating the passage of the flux generated by the electromagnet for part of the field generated by the magnet, the connecting part being magnetically saturated by the partial field of the magnet.

REFERENCES:
patent: 6274954 (2001-08-01), Gander et al.
patent: 6334413 (2002-01-01), Hattori et al.
patent: 6763789 (2004-07-01), Liang et al.
patent: 0 405 191 (1991-01-01), None
patent: 1 174 595 (2002-01-01), None
patent: 08-004546 (1996-01-01), None
patent: 11-350929 (1999-12-01), None
patent: 2002-130510 (2002-05-01), None

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