Hydraulic drive device and method for controlling the same

Number of patents in Portfolio can not be more than 2000

United States of America

PATENT NO 10495118
SERIAL NO

15738163

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Importance

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Abstract

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Provided is a hydraulic drive device, wherein the hydraulic drive device is provided with: a cylinder (101); a rod (103); a piston (102); a hydraulic pump (107); a tank (113); a valve (106) that can be switched between a positive state of connecting the hydraulic pump (107) and a head chamber (101h) and connecting a rod chamber (101r) and the tank (113), and a negative state of connecting the hydraulic pump (107) and the rod chamber (101r) and connecting the head chamber (101h) and the tank (113); and a confluence channel (114) at which, when the valve (106) is in the positive state, at least a portion of hydraulic oil going from the rod chamber (101r) to the tank (113) is merged into hydraulic oil going from the hydraulic pump (107) to the head chamber (101h).

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Patent Owner(s)

Patent OwnerAddress
KABUSHIKI KAISHA KOBE SEIKO SHO (KOBE STEEL LTD )KOBE-SHI HYOGO 651-8585

International Classification(s)

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Eguchi, Toru Kobe, JP 38 254
Fujiwara, Hideto Takasago, JP 9 24
Kanei, Naofumi Takasago, JP 21 27
Nishida, Yoshiharu Kobe, JP 19 61

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