Title:
整流装置
Document Type and Number:
Japanese Patent JP6694768
Kind Code:
B2
Abstract:
PROBLEM TO BE SOLVED: To provide a rectifier including a flow rate reduction function of reducing a drift to a desired flow rate from an outlet flow rate of an air channel having a rectangular cross section, such as a square, laying inside a vertical from a tunnel to the ground, and a muffler function of reducing occurring noise.SOLUTION: A rectifier is configured such that on an upstream side of a fluid flow passage, arranged is a speed reducer 20 where guide plates 22 are arranged in a multiple manner coaxially, the guide plate comprising: a cylindrical part having the same flow passage area from an inlet 20a toward an outlet 20b up to a predetermined position X; and a truncated-cone-shaped enlarged cylinder part whose flow passage area is continuously enlarged from the predetermined position X up to the outlet 20b, and on a downstream side, a silencer 30 is arranged, wherein on the upstream side, truncated-cone-shaped enlarged guide plates, whose flow passage is continuously enlarged from the inlet up to the outlet, are arranged in a multiple manner coaxially.SELECTED DRAWING: Figure 6
Inventors:
Kazuya Takahashi
Hiroshi Omori
Takashi Arita
Abe Akihiro
Kuramasu Masahiro
Hideki Tanaka
Michiaki Matsuda
Hiroshi Omori
Takashi Arita
Abe Akihiro
Kuramasu Masahiro
Hideki Tanaka
Michiaki Matsuda
Application Number:
JP2016119946A
Publication Date:
May 20, 2020
Filing Date:
June 16, 2016
Export Citation:
Assignee:
Tokai Passenger Railway Co., Ltd.
JR Central Consultants Co., Ltd.
Ebara Corporation
JR Central Consultants Co., Ltd.
Ebara Corporation
International Classes:
F15D1/02; E21F1/00; F16L55/00; F16L55/027; F24F13/08
Domestic Patent References:
| JP51124836A | ||||
| JP2003049607A |
Attorney, Agent or Firm:
Takashi Kumagai
Yu Takagi
Yu Takagi