专利名称：Control device for an automatic transmission发明人：Takashi Ohta,Kunihiro Iwatsuki,Yoji Takanami申请号：US09410019申请日：19991001公开号：US06174262B1公开日：20010116
专利附图：
摘要：The present invention offers a control device for an automatic transmissionmounted on a vehicle which prevents a shock caused by sudden working of a one-wayclutch, when the vehicle accelerates after a deceleration near an intersection or in anintersection. The control device includes an automatic transmission having at least a one-
way clutch and achieving a down-shift by applying the one-way clutch, a drivingenvironment detector, a low speed condition detector, and a prohibition means. Thedriving environment detector detects a driving environment of a vehicle including theautomatic transmission. The low speed condition detector detects when the vehicleapproaches or enters into a place indicative of a down-shift of the automatic transmission,and the prohibition means prohibits a down-shift caused by applying the one-way clutchwhen the low speed condition detector detects that the down-shift is indicated.
申请人：TOYOTA JIDOSHA KABUSHIKI KAISHA
代理机构：Finnegan, Henderson, Farabow, Garrett, and Dunner, L.LP.
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