Title:
油圧装置
Document Type and Number:
Japanese Patent JP6706545
Kind Code:
B2
Abstract:
PROBLEM TO BE SOLVED: To provide a hydraulic system capable of easily performing replacement operation of a filter element without enlarging an oil tank.SOLUTION: A return filter 16 is located on the upper side in a vertical direction than a storage actuation oil of an oil tank 1 and a filter main body 19 is attached to an attachment bracket 25 vertically disposed on the oil tank 1 freely movably in the vertical direction. A tip part 29A of a second return pipe 29 immersed in the storage actuation oil by movement to the upper side of the filter main body 19 can be drawn to the upper side. When the filter main body 19 is moved to the upper side and the tip part 29A of the second return pipe 29 is drawn to the upper side than an oil surface T of the storage actuation oil, actuation oil on a return filter 16 inner part is caused to flow through the second return pipe 29 and flow out to the oil tank 1. Accordingly, when a casing 21 is detached from the filter main body 19 and the filter element 20 is replaced, recovery of actuation oil can be made unnecessary without causing actuation oil to flow out from a portion on which the casing is detached and a replacement operation of the filter element 20 can be easily performed.SELECTED DRAWING: Figure 4
Inventors:
Masao Kishi
Application Number:
JP2016109678A
Publication Date:
June 10, 2020
Filing Date:
June 01, 2016
Export Citation:
Assignee:
Hokko Industry Co., Ltd.
International Classes:
F15B1/26; F15B21/041
Domestic Patent References:
| JP2008502851A | ||||
| JP2004225741A | ||||
| JP2000249102A | ||||
| JP6042501A | ||||
| JP63001904U | ||||
| JP55147501U | ||||
| JP53069971U |