HYDRAULIC PUMP

One object is to provide a hydraulic pump that allows a drive source to be started with a small torque. The hydraulic pump (10) includes: a cylinder block (30) having a plurality of cylinder bores (32) and disposed so as to be rotatable; pistons (38) each retained in associated one of the cylinder b...

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Bibliographic Details
Main Author AKAMI, Toshiya
Format Patent
LanguageEnglish
French
German
Published 20.11.2019
Subjects
BLASTING
HEATING
LIGHTING
MECHANICAL ENGINEERING
POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS
PUMPS
PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
WEAPONS
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Summary:One object is to provide a hydraulic pump that allows a drive source to be started with a small torque. The hydraulic pump (10) includes: a cylinder block (30) having a plurality of cylinder bores (32) and disposed so as to be rotatable; pistons (38) each retained in associated one of the cylinder bores (32) so as to be movable; a swash plate (40) for controlling the amount of movement of the pistons (38) in accordance with the size of the tilt angle; a first pressing unit (50) for pressing the swash plate (40) in such a direction as to reduce the tilt angle of the swash plate (40); and a second pressing unit (60) for pressing the swash plate (40) in such a direction as to increase the tilt angle of the swash plate (40) by the pressure supplied from the outside.
Bibliography:Application Number: EP20190172529