HYDRAULIC PUMP DEVICE FOR CONTINUOUSLY VARIABLE TRANSMISSION

PROBLEM TO BE SOLVED: To provide a hydraulic pump device for a continuously variable transmission capable of improving energy saving performance. SOLUTION: In a first hydraulic circuit 25 to which hydraulic fluid is supplied with an electric pump 22, a stop valve 38 capable of preventing the backflo...

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Bibliographic Details
Main Authors INAGUMA YOSHIHARU, FUJIMURA MASAYA
Format Patent
LanguageEnglish
Published 08.04.2010
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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Summary:PROBLEM TO BE SOLVED: To provide a hydraulic pump device for a continuously variable transmission capable of improving energy saving performance. SOLUTION: In a first hydraulic circuit 25 to which hydraulic fluid is supplied with an electric pump 22, a stop valve 38 capable of preventing the backflow of the hydraulic fluid from the first hydraulic circuit 25 to the electric pump 22 through the close operation is provided in the outlet oil passage 37 of the electric pump 22. The hydraulic fluid is intermittently supplied to the first hydraulic circuit 25 with the electric pump 22. COPYRIGHT: (C)2010,JPO&INPIT
Bibliography:Application Number: JP20080248235