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Application filed by Nissan MotorfiledCriticalNissan Motor
Priority to MYPI2012002659ApriorityCriticalpatent/MY157146A/en
Publication of MY157146ApublicationCriticalpatent/MY157146A/en
A VEHICLE BELT-TYPE CONTINUOUSLY VARIABLE TRANSMISSION EXPANDS THE OPERATING RANGE IN WHICH BELT SLIP CONTROL IS PERMITTED WITH MAINTAINED ESTIMATED ACCURACY OF A BELT SLIP CONDITION, TO REDUCE DRIVE ENERGY CONSUMPTION OWING TO A REDUCTION IN BELT FRICTION. IT INCLUDES A PRIMARY PULLEY (42) AND A SECONDARY PULLEY (43) AROUND WHICH A BELT (44) IS WOUND TO GENERATE A BELT CLAMPING FORCE ACCORDING TO AN INPUT TORQUE FROM AN ENGINE (1) BY CONTROLLING A SECONDARY HYDRAULIC PRESSURE, A BELT SLIP CONTROL MEANS (FIG. 8) FOR CONTROLLING THE SECONDARY HYDRAULIC PRESSURE ACCORDING TO A PHASE DIFFERENCE (?) BETWEEN OSCILLATION COMPONENTS DUE TO OSCILLATION INCLUDED IN AN ACTUAL GEAR RATIO AND IN AN ACTUAL SECONDARY HYDRAULIC PRESSURE, AND AN INPUT TORQUE CHANGE SPEED LIMITING MEANS (STEP S23 IN
MYPI2012002659A2009-12-152009-12-15Device and method for controlling a belt-type continuously variable transmission for a vehicle
MY157146A
(en)