Title:
吸排気弁
Document Type and Number:
Japanese Patent JP7386473
Kind Code:
B2
Abstract:
To provide an intake/exhaust valve capable of discharging water in a drain hopper even when drain water flows little by little.SOLUTION: An intake/exhaust valve 1 is arranged in an apex T of a rise pipe SP in a water supply pipe WP of a direct-coupled water supply type. The intake/exhaust valve comprises an intake/exhaust port 5 for taking in and exhausting air and draining water in the rise pipe SP, and a drain piping 6 that includes a horizontally laying piping 7 connected with the intake/exhaust port 5 and extending from the intake/exhaust port 5 in a nearly horizontal direction and a down piping 8 extending downward nearly vertically from the horizontally laying piping 7 and having an opening end 8b for opening downward. In the drain piping 6, a drain water guide part 10 for guiding the direction of drain water D is installed from at least the middle between a base end part 8a and the opening end 8b of the down piping 8 to at least the opening end 8b, and along the pipe axis direction TA of the down piping 8.SELECTED DRAWING: Figure 2
Inventors:
Mitsuaki Awazuhara
Yuuichi Takeda
Tomoshi Nishimura
Meiaki Shinamoto
Takeshi Sakamoto
Toshihisa Nakayama
Yuuichi Takeda
Tomoshi Nishimura
Meiaki Shinamoto
Takeshi Sakamoto
Toshihisa Nakayama
Application Number:
JP2019145792A
Publication Date:
November 27, 2023
Filing Date:
August 07, 2019
Export Citation:
Assignee:
Nihon Valve Co., Ltd.
Kane Industry Co., Ltd.
Komei Manufacturing Co., Ltd.
Tabuchi Co., Ltd.
Maesawa Supply Industry Co., Ltd.
Kane Industry Co., Ltd.
Komei Manufacturing Co., Ltd.
Tabuchi Co., Ltd.
Maesawa Supply Industry Co., Ltd.
International Classes:
E03C1/02; E03B9/14; F16K24/00
Domestic Patent References:
| JP3201854U | ||||
| JP54020012U | ||||
| JP2003254473A | ||||
| JP2012167715A | ||||
| JP48017834Y1 | ||||
| JP2008133606A |
Foreign References:
| WO2018101147A1 |
Attorney, Agent or Firm:
Patent Attorney Corporation Isono International Patent and Trademark Office
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