JPH01158856U - - Google Patents
Info
- Publication number
- JPH01158856U JPH01158856U JP5415088U JP5415088U JPH01158856U JP H01158856 U JPH01158856 U JP H01158856U JP 5415088 U JP5415088 U JP 5415088U JP 5415088 U JP5415088 U JP 5415088U JP H01158856 U JPH01158856 U JP H01158856U
- Authority
- JP
- Japan
- Prior art keywords
- pressure receiving
- receiving member
- valve
- valve case
- coil spring
- 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.)
- Pending
Links
- 239000012530 fluid Substances 0.000 claims description 2
- 230000002265 prevention Effects 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 5
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K15/00—Check valves
- F16K15/14—Check valves with flexible valve members
- F16K15/144—Check valves with flexible valve members the closure elements being fixed along all or a part of their periphery
- F16K15/145—Check valves with flexible valve members the closure elements being fixed along all or a part of their periphery the closure elements being shaped as a solids of revolution, e.g. cylindrical or conical
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K1/00—Lift valves or globe valves, i.e. cut-off apparatus with closure members having at least a component of their opening and closing motion perpendicular to the closing faces
- F16K1/32—Details
- F16K1/34—Cutting-off parts, e.g. valve members, seats
- F16K1/36—Valve members
- F16K1/40—Valve members of helical shape
Description
第１図は本考案の一実施例を示す断面図、第２
図は第１図の引張コイルばね部分を示す一部省略
した拡大図、第３図は第１図の動作説明図、第４
図は流量係数ζとレイノルズ数Ｒとの一般的な関
係を示す図、第５図１ないし３は変形例を示す説
明図、第６図は従来例を示す説明図、第７図は第
６図の質点系モデルを示す説明図である。 １……弁ケース、２……引張コイルばね、５ｅ
……流体通路、７……受圧部材、１０……流入側
通路、２０……流出側通路、３０……弁室。
図は第１図の引張コイルばね部分を示す一部省略
した拡大図、第３図は第１図の動作説明図、第４
図は流量係数ζとレイノルズ数Ｒとの一般的な関
係を示す図、第５図１ないし３は変形例を示す説
明図、第６図は従来例を示す説明図、第７図は第
６図の質点系モデルを示す説明図である。 １……弁ケース、２……引張コイルばね、５ｅ
……流体通路、７……受圧部材、１０……流入側
通路、２０……流出側通路、３０……弁室。
Claims (1)
- 【実用新案登録請求の範囲】 一端に流入側通路を有し他端に流出側通路を有
する所定形状の弁ケースを設け、この弁ケースの
内部に予め形成された弁室内に当該弁室の長手方
向に沿つて所定長さで且つ前記流入側通路よりや
や大きめの直径を有するコイルばねを配設し、 このコイルばねの一端を前記弁ケースの一端に
係止するとともに、他端に受圧部材を装備し、こ
の受圧部材を前記コイルばねの他端を全面的に閉
塞する板状部材で形成し、 前記弁ケースの他端部に、前記受圧部材が該他
端部に当接した時に前記弁室と流出側通路を連通
する流体通路を形成したことを特徴とする逆流防
止弁。
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP5415088U JPH01158856U (ja) | 1988-04-22 | 1988-04-22 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP5415088U JPH01158856U (ja) | 1988-04-22 | 1988-04-22 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH01158856U true JPH01158856U (ja) | 1989-11-02 |
Family
ID=31280087
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP5415088U Pending JPH01158856U (ja) | 1988-04-22 | 1988-04-22 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH01158856U (ja) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0642598A (ja) * | 1992-05-19 | 1994-02-15 | Borg Warner Automot Transmission & Engine Components Corp | 可変オリフィス逆止弁を有する液圧テンショナ |
| JP2002310327A (ja) * | 2001-04-13 | 2002-10-23 | Hamanako Denso Co Ltd | ソレノイドバルブ |
| WO2003095835A1 (fr) * | 2002-05-10 | 2003-11-20 | Sanden Corporation | Compresseur |
| JP2007239863A (ja) * | 2006-03-08 | 2007-09-20 | Fuji Seiko Kk | 定流量弁 |
-
1988
- 1988-04-22 JP JP5415088U patent/JPH01158856U/ja active Pending
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0642598A (ja) * | 1992-05-19 | 1994-02-15 | Borg Warner Automot Transmission & Engine Components Corp | 可変オリフィス逆止弁を有する液圧テンショナ |
| JP2002310327A (ja) * | 2001-04-13 | 2002-10-23 | Hamanako Denso Co Ltd | ソレノイドバルブ |
| WO2003095835A1 (fr) * | 2002-05-10 | 2003-11-20 | Sanden Corporation | Compresseur |
| JP2007239863A (ja) * | 2006-03-08 | 2007-09-20 | Fuji Seiko Kk | 定流量弁 |