Title:
自動ガス抜き弁
Document Type and Number:
Japanese Patent JP7238762
Kind Code:
B2
Abstract:
To provide an automatic degassing valve capable of reliably performing opening and closing of the valve with a simple structure.SOLUTION: An automatic degassing valve includes: a valve main body 2; a valve seat chamber 3 provided inside the valve main body 2; a first pipe line 5 extending upward from below, in which an upper end portion thereof is opened into the valve seat chamber 3 and the opened portion is formed as a valve seat 4; a second pipe line 6 extending obliquely upward from below and having an upper end communicating with the valve seat chamber 3; and a sphere 8 disposed to be movable from the inside of the second pipe line 6 to the valve seat chamber 3, in which when the inside of the first pipe line 5 becomes negative pressure, the sphere is sucked and abuts on the valve seat 4 to close the opening, and when the inside of the first pipe line 5 becomes atmospheric pressure, the sphere falls and moves downward by gravity in the second pipe line 6 to bring the second pipe line 6 into communication with the first pipe line 5 via the valve seat chamber 3.SELECTED DRAWING: Figure 1
Inventors:
Saito Isao
Application Number:
JP2019233901A
Publication Date:
March 14, 2023
Filing Date:
December 25, 2019
Export Citation:
Assignee:
Shinto Industry Co., Ltd.
International Classes:
F16K24/02; F16K24/04
Domestic Patent References:
| JP2000325725A | ||||
| JP2000325726A | ||||
| JP54121343U | ||||
| JP567162U | ||||
| JP3225504U |
Foreign References:
| US20170298603 |
Attorney, Agent or Firm:
Sonoda & Kobayashi Patent Attorneys Corporation
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