Hydraulic control apparatus

Number of patents in Portfolio can not be more than 2000

United States of America Patent

PATENT NO 11662019
SERIAL NO

17902862

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ATTORNEY / AGENT: (SPONSORED)

Importance

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Abstract

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A hydraulic control apparatus including a first and second control valves switched to exert hydraulic pressure on a piston to press toward first position, a third and fourth control valves switched to exert hydraulic pressure on the piston to press toward second position and, a CPU. The CPU performs executing a first process controlling the control valves so that hydraulic pressure is exerted by switching of the first, second and third control valves or a second process controlling the control valves so that hydraulic pressure is exerted by switching of the second control valve and determining that the first control valve is failed when movement of the piston to the first position is not detected through the first process and determining that the third control valve is failed when movement of the piston to the first position is not detected through the second process.

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Patent Owner(s)

  • HONDA MOTOR CO., LTD.

International Classification(s)

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Hiramine, Kotaro Tokyo, JP 4 51
Noguchi, Tomoyuki Tokyo, JP 46 268
Ono, Yuki Tokyo, JP 48 131
Tandai, Yasunobu Raymond, US 1 0
Watanabe, Nobuyuki Tokyo, JP 142 1531
Yoshida, Shunsuke Raymond, US 42 148

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