Title:
油圧装置
Document Type and Number:
Japanese Patent JP6951043
Kind Code:
B2
Abstract:
To provide a hydraulic device which cools an electric motor to extend a time period of continuous operation and achieve expansion of purposes.SOLUTION: A fan 36 which cools an electric motor 5 with wind generated by rotation of blades is disposed above the electric motor 5. The fan 36 includes: a body 38 rotatably supporting the blades; and a cover member 40 which encloses a side of the electric motor 5 to form a passage 39 in which the wind for cooling the electric motor 5 flows. Further, in the fan 36, the body 38 is attached to the cover member 40. The structure allows the wind generated by the rotation of the blades of the fan 36 to flow in the passage 39 along the side of the electric motor 5 enclosed by the cover member 40.SELECTED DRAWING: Figure 3
Inventors:
Tatsuhiro Terada
Application Number:
JP2017192361A
Publication Date:
October 20, 2021
Filing Date:
October 02, 2017
Export Citation:
Assignee:
Hokko Industry Co., Ltd.
International Classes:
F15B1/26; F04B23/02; F04B53/08; F15B1/00; F15B11/00
Domestic Patent References:
| JP2005090517A | ||||
| JP2007321942A | ||||
| JP7028967U | ||||
| JP60134744A | ||||
| JP201315205A |
Foreign References:
| WO2016133874A1 |