发明名称 CONTROLLING METHOD FOR FOUR-WHEEL DRIVE VEHICLE
摘要 PURPOSE:To prevent the extent of oil pressure from dropping, by constituting a controller so as to prohibit the control of one side till the setting condition is satisfied in advance afterward a controlling start of the other side, in the case where driving force distribution and transmission gear ratio transfer are carried out with hydraulic control. CONSTITUTION:When shift lever transfer of an automatic transmission 5 and another shift lever transfer of a 2-4 transfere 9 are performed, each signal is inputted into a control unit 1 from respective shift position sensors 14 and 15, whereby this controller 1 judges whether a shift step is transferred or not, and when judging the shift step transfer, the controller prohibits transfer control of the 2-4 transferor 9 via a 2-4 transferer controller 10, and a shift step of the automatic transmission 5 is transferred by an automatic transmission controller 6. And, when oil pressure is stabilized to the preset condition, a new shift step change is prohibited, and the transfer of the 2-4 driver 9 is controlled via the 2-4 driver controller 10. With this constitution, hydraulic pressure is preventable from dropping.
申请公布号 JPS62244716(A) 申请公布日期 1987.10.26
申请号 JP19860088707 申请日期 1986.04.17
申请人 TOYOTA MOTOR CORP 发明人 NISHIKAWA SEIICHI
分类号 B60K17/348;B60K23/04;B60K23/08;F16H61/02;F16H61/16;F16H63/44 主分类号 B60K17/348
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