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2024年7月9日发(作者:)
专利内容由知识产权出版社提供
专利名称:TOTAL CONTROL DEVICE OF POWER TRAIN
发明人:SHIMANAKA SHIGEKI
申请号:JP19053488
申请日:19880801
公开号:JPH0242268A
公开日:19900213
摘要:PURPOSE:To prevent large speed change shock and premature wear of friction
elements by prohibiting the speed change shock reducing control for the output torque
of a prime mover in the event of abnormality in any of different sensors, and by changing
over the line pressure characteristics. CONSTITUTION:An automatic transmission
performs speed change by operating friction elements selectively with line pressure, and
during this speed changing, the output torque of a prime mover is increased or
decreased by a torque control means in the period from speed change start to the finish
on the basis of information from sensors so as to reduce the speed change shock. When
a sensing means senses any abnormality in any of the sensors, a torque control
prohibiting means for reduction of speed change shock prohibits increase and decrease
of the torque during speed changing by the torque control means, while a speed
changing line pressure characteristic altering means changes over the speed changing
control characteristic of the line pressure into a characteristic different from at the time
of increasing and decreasing the prime mover output torque by the torque control
means, i.e. normal upshift speed changing characteristic. Thus large speed change shocks
and premature wear of friction elements are prevented.
申请人:NISSAN MOTOR CO LTD
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