Title:
給水弁装置
Document Type and Number:
Japanese Patent JP6872146
Kind Code:
B2
Abstract:
To provide a water feed valve device capable of effectively avoiding occurrence of "air hammer" when air pushed out by washing water passes through the water feed valve device.SOLUTION: A water feed valve device of the present invention comprises: a primary side flow passage receiving washing water from a water feed source according to the position of a main valve element; a secondary side flow passage receiving the washing water flowing out of a water outlet of the primary side flow passage; a secondary side hose whose one end is connected to the water outlet of the secondary side flow passage; an on-off valve which opens by water pressure of the washing water flowing from the water outlet of the primary side flow passage to the secondary side flow passage and communicates the primary side flow passage with the secondary side flow passage; and an air release port capable of releasing air in the secondary side flow passage in a fully closed state of the on-off valve. Additional air release means capable of releasing air in the secondary side flow passage is further provided in the secondary side flow passage.SELECTED DRAWING: Figure 3
Inventors:
Koji Sakoda
Hiroshi Yabe
Yu Koga
Shibuya Koji
Shinji Toe
Hiroshi Yabe
Yu Koga
Shibuya Koji
Shinji Toe
Application Number:
JP2017103719A
Publication Date:
May 19, 2021
Filing Date:
May 25, 2017
Export Citation:
Assignee:
TOTO Ltd.
International Classes:
E03D1/30; E03D5/01; F16K41/10
Domestic Patent References:
| JP60085366U | ||||
| JP2001329592A | ||||
| JP2014169784A |
Foreign References:
| US6260574 | ||||
| US5551473 |
Attorney, Agent or Firm:
Shinichiro Tanaka
Disciple Maru Ken
▲吉▼田 和彦
Mitsuru Matsushita
Ichiro Kurasawa
Yasushi Yamamoto
Katsuomi Isogai
Disciple Maru Ken
▲吉▼田 和彦
Mitsuru Matsushita
Ichiro Kurasawa
Yasushi Yamamoto
Katsuomi Isogai