JP4191644B2 - ガス比例制御弁 - Google Patents
ガス比例制御弁 Download PDFInfo
- Publication number
- JP4191644B2 JP4191644B2 JP2004121044A JP2004121044A JP4191644B2 JP 4191644 B2 JP4191644 B2 JP 4191644B2 JP 2004121044 A JP2004121044 A JP 2004121044A JP 2004121044 A JP2004121044 A JP 2004121044A JP 4191644 B2 JP4191644 B2 JP 4191644B2
- Authority
- JP
- Japan
- Prior art keywords
- control valve
- flow rate
- gas
- valve mechanism
- mover
- 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
- 230000007246 mechanism Effects 0.000 claims description 62
- 238000012856 packing Methods 0.000 description 11
- 238000010586 diagram Methods 0.000 description 4
- 239000000696 magnetic material Substances 0.000 description 2
- 244000145845 chattering Species 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 230000001747 exhibiting effect Effects 0.000 description 1
- 239000010409 thin film Substances 0.000 description 1
Images
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- Magnetically Actuated Valves (AREA)
Description
2 小弁体
3 大弁体
5 ダイアフラム体
10 弁座
11 ガス流入口
12 ガス流出口
21 バネ
30 弁座
41 可動子
51 ダイアフラム
52 ダイアフラム
72 パッキン
Claims (4)
- 往復移動自在の可動子を備え、この可動子の往動方向の移動に伴ってガスの流量を増加させる流量制御弁機構を備えたガス比例制御弁において、可動子の移動開始位置からの往動に伴ってガスの流量を小流量領域で増加させる小流量制御弁機構と、可動子の移動に伴ってガスの流量を大流量領域で増加させる少なくとも1つの大流量制御弁機構と、可動子の往動方向への移動量が所定の移動量に達した時点で、小流量制御弁機構の一部が大流量制御弁機構に当接して小流量制御弁機構を通過するガス流を可動子の移動によって停止させる停止手段とを備え、可動子の往動方向への移動量が上記所定の移動量を超えた状態では可動子の往動を小流量制御弁機構を介して大流量制御弁機構に伝達し、大流量制御弁機構によってガス流量を増加させることを特徴とするガス比例制御弁。
- 上記大流量制御弁機構は可動子によって移動される弁体を備えており、上記小流量制御弁機構は大流量制御弁機構の弁体に取り付けられていることを特徴とする請求項1記載のガス比例制御弁。
- 上記小流量制御弁機構は可動子によって移動される弁体を備えており、可動子の往動方向への移動量が上記所定の移動量に達した時点で、この弁体がガス流路を閉塞してガス流を停止させる停止手段として機能することを特徴とする請求項1または請求項2に記載のガス比例制御弁。
- 上記小流量制御弁機構および大流量制御弁機構は共にダイアフラム式のガバナ機構を備えており、両流量制御弁機構で用いるダイアフラムを一部材で構成したことを特徴とする請求項1から請求項3のいずれかに記載のガス比例制御弁。
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2004121044A JP4191644B2 (ja) | 2004-04-16 | 2004-04-16 | ガス比例制御弁 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2004121044A JP4191644B2 (ja) | 2004-04-16 | 2004-04-16 | ガス比例制御弁 |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2005299899A JP2005299899A (ja) | 2005-10-27 |
JP4191644B2 true JP4191644B2 (ja) | 2008-12-03 |
Family
ID=35331662
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2004121044A Expired - Fee Related JP4191644B2 (ja) | 2004-04-16 | 2004-04-16 | ガス比例制御弁 |
Country Status (1)
Country | Link |
---|---|
JP (1) | JP4191644B2 (ja) |
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2004
- 2004-04-16 JP JP2004121044A patent/JP4191644B2/ja not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
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JP2005299899A (ja) | 2005-10-27 |
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