Internal-combustion engines – Poppet valve operating mechanism – Electrical system
Reexamination Certificate
2005-07-05
2005-07-05
Denion, Thomas (Department: 3748)
Internal-combustion engines
Poppet valve operating mechanism
Electrical system
C251S129010
Reexamination Certificate
active
06912980
ABSTRACT:
An electromagnetic valve drive of a charge cycle valve for an internal-combustion engine has an electromagnetic actuator and additional electric devices, such as a power system operating the actuator, a controlling and regulating device as well as a power supply. For reducing electromagnetic compatibility problems and connection problems, at least one information signal connection between two of the devices is established using a glass fiber connection.
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patent: 6474276 (2002-11-01), Schmitz et al.
patent: 0412578 (1991-02-01), None
patent: 2000130122 (2000-05-01), None
patent: 2000130122 (2000-05-01), None
patent: 00/71861 (2000-11-01), None
Bayerische Motoren Werke Aktiengesellschaft
Crowell & Moring LLP
Denion Thomas
Eshete Zelalem
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