CONTROLLER OF CONTINUOUSLY VARIABLE TRANSMISSION

PROBLEM TO BE SOLVED: To provide a controller of a continuously variable transmission capable of preventing the drive force of a power source from being shortened due to the lowering of the rotational speed of the power source on an uphill road. SOLUTION: This electronic controller counts up (step S...

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Main Authors HINO AKIRA, TSUJITA MASAYUKI, TAWARA SHINKO
Format Patent
LanguageEnglish
Published 16.10.2008
Subjects
BLASTING
ENGINEERING ELEMENTS AND UNITS
GEARING
GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVEFUNCTIONING OF MACHINES OR INSTALLATIONS
HEATING
LIGHTING
MECHANICAL ENGINEERING
THERMAL INSULATION IN GENERAL
WEAPONS
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Abstract PROBLEM TO BE SOLVED: To provide a controller of a continuously variable transmission capable of preventing the drive force of a power source from being shortened due to the lowering of the rotational speed of the power source on an uphill road. SOLUTION: This electronic controller counts up (step S2) when determining a vehicle travels on a flat surface (NO in step S1). When it determines that a counter value is larger than a threshold (YES in step S8), a gear ratio is reduced (step S9) by reducing the target rotational speed of a primary pulley. When it determines that the vehicle travels on an uphill road (YES in step S1), a countdown is not performed. COPYRIGHT: (C)2009,JPO&INPIT
AbstractList PROBLEM TO BE SOLVED: To provide a controller of a continuously variable transmission capable of preventing the drive force of a power source from being shortened due to the lowering of the rotational speed of the power source on an uphill road. SOLUTION: This electronic controller counts up (step S2) when determining a vehicle travels on a flat surface (NO in step S1). When it determines that a counter value is larger than a threshold (YES in step S8), a gear ratio is reduced (step S9) by reducing the target rotational speed of a primary pulley. When it determines that the vehicle travels on an uphill road (YES in step S1), a countdown is not performed. COPYRIGHT: (C)2009,JPO&INPIT
Author TSUJITA MASAYUKI
HINO AKIRA
TAWARA SHINKO
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Snippet PROBLEM TO BE SOLVED: To provide a controller of a continuously variable transmission capable of preventing the drive force of a power source from being...
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SubjectTerms BLASTING
ENGINEERING ELEMENTS AND UNITS
GEARING
GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVEFUNCTIONING OF MACHINES OR INSTALLATIONS
HEATING
LIGHTING
MECHANICAL ENGINEERING
THERMAL INSULATION IN GENERAL
WEAPONS
Title CONTROLLER OF CONTINUOUSLY VARIABLE TRANSMISSION
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