Title:
排気弁ユニット
Document Type and Number:
Japanese Patent JP7364222
Kind Code:
B2
Abstract:
To improve air exhaust efficiency during delivery of a liquid (during a normal operation).SOLUTION: An exhaust valve unit 100 includes: a first exhaust valve 10 which is configured to close when a liquid in a liquid pipe 1 flows thereinto during delivery of the liquid and open to discharge a gas when the gas in the liquid pipe 1 flows thereinto; a second exhaust valve 20 which is configured to discharge a gas in the liquid pipe 1 flowing thereinto during an initial stage of the delivery of the liquid, then be closed by the liquid in the liquid pipe 1 flowing thereinto, and keep a valve closed state; an inflow passage (a first passage 41 and a second passage 42) which is connected to the first exhaust valve 10 and the second exhaust valve 20 and the liquid pipe 1 and into which the liquid and the gas flow from the liquid pipe 1; and a restriction part (a projection 43 and a space 44) which is provided at the inflow passage and restricts flow of the gas flowing from the liquid pipe 1 toward the second exhaust valve 20 during the delivery of the liquid.SELECTED DRAWING: Figure 1
Inventors:
Ryohei Sasaki
Application Number:
JP2020007391A
Publication Date:
October 18, 2023
Filing Date:
January 21, 2020
Export Citation:
Assignee:
TLV Co., Ltd.
International Classes:
F16K24/04
Domestic Patent References:
| JP5235531U | ||||
| JP56105175A | ||||
| JP549019A | ||||
| JP200239415A | ||||
| JP5632173U | ||||
| JP488273A | ||||
| JP59105662U |
Attorney, Agent or Firm:
Katsumi Iseki
Kenichi Terazono
Daisuke Kawabe
Kenichi Terazono
Daisuke Kawabe