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A platform for research: civil engineering, architecture and urbanism
Hydraulic cylinder spool valve device
A hydraulic cylinder spool valve device, which extends and retracts a cylinder rod of a hydraulic cylinder, includes: a first spool valve having a first dead band and a first opening characteristic; a second spool valve having a second dead band and a second opening characteristic; and a controller performing communication with the hydraulic cylinder by using the first spool valve and positioning the second spool of the second spool valve within the second dead band and performing communication with the hydraulic cylinder by using the second spool valve and positioning the first spool of the first spool valve within the first dead band, and adjusting a characteristic of a switching dead band between the first opening characteristic and the second opening characteristic.
Hydraulic cylinder spool valve device
A hydraulic cylinder spool valve device, which extends and retracts a cylinder rod of a hydraulic cylinder, includes: a first spool valve having a first dead band and a first opening characteristic; a second spool valve having a second dead band and a second opening characteristic; and a controller performing communication with the hydraulic cylinder by using the first spool valve and positioning the second spool of the second spool valve within the second dead band and performing communication with the hydraulic cylinder by using the second spool valve and positioning the first spool of the first spool valve within the first dead band, and adjusting a characteristic of a switching dead band between the first opening characteristic and the second opening characteristic.
Hydraulic cylinder spool valve device
HORI SHUUJI (author) / KAGEYAMA MASATO (author) / ONO MUTSUMI (author) / CHIKUGO HIROYUKI (author) / HASEBE AKIRA (author) / FUKUSHIMA JUNICHI (author) / KOIKE SHUNSUKE (author)
2020-08-25
Patent
Electronic Resource
English