Valve actuating device

Internal-combustion engines – Poppet valve operating mechanism – Electrical system

Reexamination Certificate

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Details

C123S090660, C123S090160, C251S129010

Reexamination Certificate

active

07540265

ABSTRACT:
The invention relates to an actuating device that actuates at least one valve pair (1) of an internal combustion engine, housed inside a housing (2) comprising, for each valve (1), magnetizing means (4, 5), at least one spring (6) that acts upon the valve (1), and comprising a fixed end connected to an adjustable stop (16), and a moving end connected in a translatory manner to the valve (1), the adjustable stop (16) comprising meshing means (26) that can interact with mating meshing means (8) of a control element (10) whereby adjusting the tare of the spring (6). The invention is characterized in that the control element (10) is placed in a fixed manner inside the housing (2) next to the adjustable stops (16) of the two valves (1) of the same pair. The housing (2) comprises means for selectively guiding and positioning the control element (10) in two meshing positions respectively with the two adjustable stops (16).

REFERENCES:
patent: 5804962 (1998-09-01), Kather et al.
patent: 6418892 (2002-07-01), Donce et al.
patent: 6768406 (2004-07-01), Fiaccabrino et al.
patent: 2003/0217714 (2003-11-01), Yoeda et al.
patent: 19506566 (1996-08-01), None
patent: 19631909 (1997-02-01), None
patent: 1357264 (2003-10-01), None
patent: 2714998 (1995-07-01), None
patent: WO 00/61922 (2000-10-01), None
patent: WO 00/65203 (2000-11-01), None
International Search Report mailed Oct. 14, 2005 in PCT/FR2005/050345.

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