Internal-combustion engines – Engine speed regulator – Open loop condition responsive
Reexamination Certificate
2005-04-05
2005-04-05
Argenbright, Tony M. (Department: 3747)
Internal-combustion engines
Engine speed regulator
Open loop condition responsive
Reexamination Certificate
active
06874471
ABSTRACT:
When the position of a throttle valve approaches a target value, an integration calculation of position control is stopped. When a deviation from the target value increases, the integration calculation is restarted. If an integration value includes no frictional amount, a motor output in which a motor and a spring are matched is set synchronously with a change in target value.
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Hoshino Masatoshi
Ichihashi Tetsuya
Argenbright Tony M.
Crowell & Moring LLP
Hitachi , Ltd.
Hitachi Car Engineering Co. Ltd.
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