Title:
切替ユニット
Document Type and Number:
Japanese Patent JP7371436
Kind Code:
B2
Abstract:
To properly radiate the heat of a plurality of coils driving a plurality of opening/closing valves.SOLUTION: A switching unit 1 comprises: a plurality of opening/closing valves; a plurality of coil portions respectively driving the plurality of opening/closing valves; and a case 41 internally forming a coil portion storage space in which the plurality of coil portions is disposed. The case 41 comprises: a lower surface plate 49 disposed on a lower side of the coil portion storage space; an upper surface plate 45 disposed on an upper side of the coil portion storage space; and a right side surface plate 47 and a left side surface plate 48 disposed in a horizontal direction of the coil portion storage space. The lower surface plate 49, the upper surface plate 45, the right side surface plate 47, and the left side surface plate 48 are respectively provided with a plurality of lower surface heat radiation holes, a plurality of upper surface heat radiation holes 61, a plurality of right side surface heat radiation holes 62, and a plurality of left side heat radiation holes for making air cooling the plurality of coil portions pass through.SELECTED DRAWING: Figure 3
Inventors:
Kaito Yano
Application Number:
JP2019189343A
Publication Date:
October 31, 2023
Filing Date:
October 16, 2019
Export Citation:
Assignee:
Fujitsu General Limited
International Classes:
F25B41/20; F24F1/32; F24F13/20; F25B13/00
Domestic Patent References:
| JP2014047977A | ||||
| JP2013117366A | ||||
| JP2017216271A | ||||
| JP6021673A | ||||
| JP2014025668A |
Attorney, Agent or Firm:
Sakai International Patent Office
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