US Patent Application No: 2001/0005,816

Number of patents in Portfolio can not be more than 2000

Range switchover apparatus for automatic transmission

ALSO PUBLISHED AS: 6546348

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ATTORNEY / AGENT: (SPONSORED)

Importance

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Abstract

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A range switchover apparatus includes a range switchover means operating device capable of switching over a switchover means, which switches over a shift range, among respective shift positions, a drive motor for driving the range switchover means operating device, a measuring device for measuring a time, during which the drive motor causes the range switchover means operating device to switch over between predetermined shift positions, a rotation control device for controlling the rotational speed of the drive motor, a correcting device for correcting the rotational speed by the rotation control device so that when a time measured by the measuring device differs from a target time in a predetermined range, the measured time becomes the target time, and a storage device for storing the rotational speed corrected by the correcting device. The range switchover apparatus prevents a change in rotational speed due to long term change from being generated in a motor for driving a switchover means in an automatic transmission.

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Patent Owner(s)

Patent OwnerAddressTotal Patents
AISIN AW CO., LTD.ANJO-SHI1332

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Eishima, Hirotoshi Anjo, JP 7 19
Kusafuka, Muneo Anjo, JP 29 195
Murase, Yoshitaka Anjo, JP 30 165
Ohkoshi, Naoki Anjo, JP 12 49
Takemoto, Kazuo Anjo, JP 32 250

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