JP4334978B2 - 定流量弁 - Google Patents
定流量弁 Download PDFInfo
- Publication number
- JP4334978B2 JP4334978B2 JP2003383678A JP2003383678A JP4334978B2 JP 4334978 B2 JP4334978 B2 JP 4334978B2 JP 2003383678 A JP2003383678 A JP 2003383678A JP 2003383678 A JP2003383678 A JP 2003383678A JP 4334978 B2 JP4334978 B2 JP 4334978B2
- Authority
- JP
- Japan
- Prior art keywords
- valve
- fluid
- protrusion
- valve body
- constant flow
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
- 239000012530 fluid Substances 0.000 claims description 63
- 229910045601 alloy Inorganic materials 0.000 claims description 15
- 239000000956 alloy Substances 0.000 claims description 15
- 230000002093 peripheral effect Effects 0.000 claims description 12
- 238000005520 cutting process Methods 0.000 claims description 6
- 239000000843 powder Substances 0.000 claims description 4
- 230000006835 compression Effects 0.000 description 10
- 238000007906 compression Methods 0.000 description 10
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 7
- 229910001873 dinitrogen Inorganic materials 0.000 description 7
- 238000010926 purge Methods 0.000 description 7
- 238000011144 upstream manufacturing Methods 0.000 description 7
- 239000007789 gas Substances 0.000 description 6
- 238000004519 manufacturing process Methods 0.000 description 4
- 239000004065 semiconductor Substances 0.000 description 4
- 239000000463 material Substances 0.000 description 3
- 239000007788 liquid Substances 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 239000010935 stainless steel Substances 0.000 description 2
- 229910001220 stainless steel Inorganic materials 0.000 description 2
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- 229910000831 Steel Inorganic materials 0.000 description 1
- 230000002457 bidirectional effect Effects 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 238000003754 machining Methods 0.000 description 1
- 239000002923 metal particle Substances 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 238000005019 vapor deposition process Methods 0.000 description 1
Images
Landscapes
- Check Valves (AREA)
- Safety Valves (AREA)
Description
7…逆止弁
8…胴部
8b…一方の端面
8c…他方の端面
9…第1の突部
10…第2の突部
11,31…流体通路
12…ばね受け
13…圧縮ばね
17…弁座面
W…加工面
NW…非加工面
Claims (5)
- 一定量の流体を弁体を通して通過させる定流量弁であって、
前記弁体が、焼結合金からなり、表面に切削による加工面と非加工面とを有し、前記流体が前記非加工面を通して前記弁体内を通過するように構成されている定流量弁。 - 請求項1において、前記弁体は、大径の胴部と、この胴部よりも小径で前記胴部の一方の端面に前記胴部と同芯上に位置する第1の突部とを有する段付きの円柱体からなり、前記胴部と前記第1の突部の間の段部と、流体通路内のばね受けとの間に、前記弁体を前記流体通路内の弁座面に押圧するばね体が装着されている定流量弁。
- 請求項1において、前記弁体は、大径の胴部と、この胴部よりも小径で前記胴部の一方の端面に前記胴部と同芯上に位置する第1の突部と、前記胴部の他方の端面に前記胴部と同芯上に位置する第2の突部とを有し、少なくとも前記胴部の外周面および前記第2の突部の端面が前記非加工面とされている定流量弁。
- 請求項1,2または3において、前記焼結合金は、ステンレスの粉体からなり、密度4.2〜5.2g/cm3 、空隙率36〜48%である定流量弁。
- 請求項1から4のいずれかにおいて、さらに、前記流体を一方向のみに通過させる逆止弁を有している定流量弁。
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2003383678A JP4334978B2 (ja) | 2003-11-13 | 2003-11-13 | 定流量弁 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2003383678A JP4334978B2 (ja) | 2003-11-13 | 2003-11-13 | 定流量弁 |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2005147221A JP2005147221A (ja) | 2005-06-09 |
JP4334978B2 true JP4334978B2 (ja) | 2009-09-30 |
Family
ID=34692324
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2003383678A Expired - Fee Related JP4334978B2 (ja) | 2003-11-13 | 2003-11-13 | 定流量弁 |
Country Status (1)
Country | Link |
---|---|
JP (1) | JP4334978B2 (ja) |
Families Citing this family (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP4724671B2 (ja) * | 2007-01-24 | 2011-07-13 | 栗本商事株式会社 | 逆止弁ユニット |
JP2012049226A (ja) * | 2010-08-25 | 2012-03-08 | Ushio Inc | 光源装置 |
KR200482138Y1 (ko) * | 2015-06-05 | 2017-01-02 | (주)에스엔텍 | 릴리프 밸브 |
CN107725853B (zh) * | 2017-11-14 | 2023-12-05 | 吉林大学 | 基于压力的流量自调节控制阀 |
CN109237090B (zh) * | 2018-11-09 | 2020-02-21 | 中国直升机设计研究所 | 一种出口流量恒定的节流阀 |
-
2003
- 2003-11-13 JP JP2003383678A patent/JP4334978B2/ja not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
JP2005147221A (ja) | 2005-06-09 |
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