Hydraulic system and work machine
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United States of America Patent
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-
Feb 27, 2018
Issued Date -
N/A
app pub date -
Jun 28, 2016
filing date -
Mar 31, 2014
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
A hydraulic system includes a motor. A brake is to be actuated by an operation fluid to brake the motor when a hydraulic pressure is relieved and to release the braking when the hydraulic pressure is applied. A switch valve is to be switched to a first position and to a second position, the first position being provided for relieving the hydraulic pressure from the brake, the second position being provided for applying the hydraulic pressure to the brake. A first fluid tube is to connect the switch valve and the brake. A second fluid tube is connected to the first fluid tube at a connecting portion and communicated with a tank A first throttle is disposed on the second fluid tube. A second throttle is disposed on the first fluid tube and on an upstream side between the connecting portion and the switch valve.
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