Title:
排気弁装置及び弁体設置装置
Document Type and Number:
Japanese Patent JP6774362
Kind Code:
B2
Abstract:
PROBLEM TO BE SOLVED: To install an exhaust valve device at a lid body without preparing a special lid body and inhibit an upper part of the exhaust valve device from protruding from an upper surface of the lid body after installation.SOLUTION: An exhaust valve device includes: a valve body unit 10 fixed to a first through hole of a lid body 50 which closes an upper opening part of a standpipe 58 connected to a drainage line; and a unit fixing member 30 for fixing the valve body unit 10 to a second through hole 53 having a diameter larger than that of the first through hole of the lid body 50. The valve body unit 10 includes: a valve body 14 which closes a ventilation passage 12 of a cylindrical body 11 and receives increased pressure from the drainage line to conduct open operation and open the ventilation passage 12; and a cover part 22 covering the upper surface side of the valve body 14. An upper surface of the cover part 22 of the valve body unit 10 when the exhaust valve device 1 is fixed to the second through hole 53 of the lid body 50 is located below an upper surface of the cover part 22 when the valve body unit 10 is fixed to the first through hole of the lid body 50.SELECTED DRAWING: Figure 5
Inventors:
Shohei Matsuda
Application Number:
JP2017058100A
Publication Date:
October 21, 2020
Filing Date:
March 23, 2017
Export Citation:
Assignee:
Mirai Industry Co., Ltd.
International Classes:
F16K24/04; E03C1/12; E03C1/122; E03F5/10; F16K15/14
Domestic Patent References:
| JP2015169214A | ||||
| JP2015143442A | ||||
| JP201287467A | ||||
| JP200597918A |
Foreign References:
| WO2001040590A2 |
Attorney, Agent or Firm:
Kenichi Uno
Kiyoshi Kojima
Kiyoshi Kojima