Title:
配管構造、及び空気調和装置の室外機
Document Type and Number:
Japanese Patent JP7182122
Kind Code:
B2
Abstract:
To provide a piping structure that can suppress concentration of stress in a part connected to other piping or an apparatus.SOLUTION: A piping structure includes: outlet side piping 36 to which vibration is propagated from respective compressors 12, 14 when the respective compressors 12, 14 are driven; and an oil return pipe 52 branching from the outlet side piping 36 and having a pipe diameter that is smaller than the outlet side piping 36. A bent part 67 is provided in multiple parts of the oil return pipe 52. Respective bent parts 67 and a piping connection end 70A that is a branching part of the outlet side piping 36 and the oil return pipe 52 are positioned on a horizontally flush surface.SELECTED DRAWING: Figure 6
Inventors:
Nagatomi Yoshinari
Koji Koyama
Nobuaki Motegi
Katsuyuki Tsuno
Koji Koyama
Nobuaki Motegi
Katsuyuki Tsuno
Application Number:
JP2018144992A
Publication Date:
December 02, 2022
Filing Date:
August 01, 2018
Export Citation:
Assignee:
Panasonic IP Management Co., Ltd.
International Classes:
F25B41/40; F16L3/137; F24F1/30; F24F13/20; F25B41/42
Domestic Patent References:
| JP2009275990A | ||||
| JP11294678A | ||||
| JP5133337A | ||||
| JP55155151A | ||||
| JP3042976U | ||||
| JP10185362A | ||||
| JP61059167A |
Attorney, Agent or Firm:
Kushibuchi International Patent Office
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