Electricity: electrical systems and devices – Safety and protection of systems and devices – Motor protective condition responsive circuits
Reexamination Certificate
2005-02-02
2009-11-24
Jackson, Stephen W (Department: 2836)
Electricity: electrical systems and devices
Safety and protection of systems and devices
Motor protective condition responsive circuits
Reexamination Certificate
active
07623328
ABSTRACT:
When a variable valve mechanism which varies an opening characteristic of an engine valve is malfunctioned, the power supply to a drive circuit for the variable valve mechanism is stopped, and also a control signal to the drive circuit is cleared.
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Japanese Office Action for corresponding Japanese Patent Application No. 2004-026220, mailed Jun. 24, 2008.
Machida Kenichi
Yoshizawa Hidekazu
Foley & Lardner LLP
Hitachi , Ltd.
Hoang Ann T
Jackson Stephen W
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