AUTOMATIC TRANSMISSION WITH FRICTION ELEMENT HAVING LOCK MECHANISM, AND CONTROL METHOD THEREOF

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United States of America Patent

APP PUB NO 20150252896A1
SERIAL NO

14430728

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ATTORNEY / AGENT: (SPONSORED)

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Abstract

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In an automatic transmission including a friction element having a lock mechanism, to prevent a delay in engagement of the friction element from occurring in a case where travel mode→non-travel mode→travel mode are selected at short time intervals during travel, a control unit or the automatic transmission does not supply an OFF pressure to a disengagement side oil chamber when the non-travel mode is selected by a select switch and a vehicle speed is higher than a stoppage determination vehicle speed.

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Patent Owner(s)

Patent OwnerAddress
JATCO LTDSHIZUOKA SHIZUOKA

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Ikeda, Tomomasa Sagamihara-shi, JP 9 32
Kobayashi, Katsuya Yokohama-shi, JP 61 288
Matsumoto, Kouzi Yokohama-shi, JP 6 6
Nakano, Yusuke Yamato-shi, JP 70 242

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Citation count rangeNumber of patents cited in rangeNumber of patents cited in various citation count ranges20170254127211101 - 1011 - 2021 - 3031 - 4041 - 5051 - 6061 - 70100 +050100150200250300350400450500550600650700750

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