Title:
作動油タンク
Document Type and Number:
Japanese Patent JP7126911
Kind Code:
B2
Abstract:
To provide a hydraulic oil tank which can remove air bubbles contained in a hydraulic oil returning to the hydraulic oil tank.SOLUTION: A hydraulic oil tank includes: a tank body 210 having inflow ports 211, 212 and an outflow port of a hydraulic oil; a return filter 220 and a suction filter 225 disposed within the tank body 210. The hydraulic oil tank includes: a swirl flow formation member 235 (left and right blade parts 236, 237) which change flow of the hydraulic oil that has passed through the return filter 220 into swirl flow; and an air bubble passage member 239 forming a passage for flowing air bubbles in the hydraulic oil which is gathered at a center part of the swirl flow by the swirl flow to an upper part within the tank body 210.SELECTED DRAWING: Figure 11
Inventors:
Keisuke Tanaka
Akihiro Ishiai
Akihiro Ishiai
Application Number:
JP2018172572A
Publication Date:
August 29, 2022
Filing Date:
September 14, 2018
Export Citation:
Assignee:
Takeuchi Manufacturing Co., Ltd.
International Classes:
F15B1/26; E02F9/00; F15B21/044
Domestic Patent References:
| JP2017006831A | ||||
| JP2017213555A | ||||
| JP2010065717A |
Foreign References:
| US20170298965 |
Attorney, Agent or Firm:
Shogo Onishi
Toshiaki Namiki
Toshiaki Namiki
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