Hydraulic system for working machine

A hydraulic system for a working machine includes an fluid cooler including an input port and an output port, the fluid cooler being configured to cool an operation fluid, an outputting portion to output the operation fluid, a traveling hydraulic device to be activated by the operation fluid, an ope...

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Bibliographic Details
Main Authors Shinohara, Taisuke, Ebata, Yoshihiro, Honda, Keigo, Sakurai, Daisuke, Fukuda, Yuji, Tani, Toshiya, Nakagawa, Hiroaki
Format Patent
LanguageEnglish
Published 07.07.2020
Subjects
BLASTING
DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
DREDGING
FIXED CONSTRUCTIONS
FLUID-PRESSURE ACTUATORS
FLUID-PRESSURE ACTUATORS, e.g. SERVO-MOTORS
FOUNDATIONS
HEATING
HYDRAULIC ENGINEERING
HYDRAULICS OR PNEUMATICS IN GENERAL
LIGHTING
MECHANICAL ENGINEERING
SOIL SHIFTING
SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL
WEAPONS
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Summary:A hydraulic system for a working machine includes an fluid cooler including an input port and an output port, the fluid cooler being configured to cool an operation fluid, an outputting portion to output the operation fluid, a traveling hydraulic device to be activated by the operation fluid, an operating hydraulic device to be activated by the operation fluid, a first output fluid tube connecting the operating hydraulic device to a tank, a second output fluid tube branching from the first output fluid tube and being connected to the input port of the fluid cooler, a third output fluid tube connecting the outputting portion to the output port of the fluid cooler, a fourth output fluid tube connected to the traveling hydraulic device, the fourth output fluid tube being connected to the second output fluid tube, and a first check valve disposed on the fourth output fluid tube.
Bibliography:Application Number: US201715837516