Regelungsmethode für eine von einem Motor angetriebene hydraulische Pumpe

A method for controlling a hydraulic pump driven by an engine, comprises the steps of: measuring a temperature of at least one of the engine and a hydraulic fluid, comparing the measured temperature with a first predetermined temperature to judge as to whether the measured temperature is higher than...

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Bibliographic Details
Main Authors MUROTA, ISAO, TANAKA, MASAYUKI, NAKAI, KAZUHITO, IGA, MAKOTO
Format Patent
LanguageGerman
Published 02.01.1998
Edition6
Subjects
BLASTING
COMBUSTION ENGINES
CONTROLLING COMBUSTION ENGINES
DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
DREDGING
FIXED CONSTRUCTIONS
FLUID-PRESSURE ACTUATORS
FLUID-PRESSURE ACTUATORS, e.g. SERVO-MOTORS
FOUNDATIONS
HEATING
HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
HYDRAULIC ENGINEERING
HYDRAULICS OR PNEUMATICS IN GENERAL
LIGHTING
MECHANICAL ENGINEERING
POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS
PUMPS
PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
SOIL SHIFTING
SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL
WEAPONS
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Summary:A method for controlling a hydraulic pump driven by an engine, comprises the steps of: measuring a temperature of at least one of the engine and a hydraulic fluid, comparing the measured temperature with a first predetermined temperature to judge as to whether the measured temperature is higher than the first predetermined temperature or not, comparing the measured temperature with a second predetermined temperature to calculate a difference between the measured temperature and the second predetermined temperature, decreasing an output flow rate of the hydraulic pump by a degree according to the difference between the measured temperature and the second predetermined temperature, when the measured temperature is judged to be higher than the first predetermined temperature.
Bibliography:Application Number: DE19936012397T