Squire Patton Boggs (US) LLP
Automatic transmission control apparatus
In an apparatus for controlling an automatic transmission having gear engaging mechanisms installed to engage one of gears to establish n-th speed when supplied with hydraulic pressure discharged from an oil pump driven by a prime mover, an electromagnetic pressure-regulating valve installed to pressure-regulate the hydraulic pressure, an electromagnetic shift valve installed at a hydraulic passage to supply the hydraulic pressure to the gear engaging mechanisms, and a current supply circuit to supply current to the solenoid valve, cut-off of current supply to the solenoid valve from the current supply circuit is delayed by a predetermined time period, when the ignition switch is turned off.
HONDA MOTOR CO., LTD.
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F16H F16H F16H F16H F16H
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Hideaki Yusuke
Yamashita Yoshimura