JPH01108383U - - Google Patents
Info
- Publication number
- JPH01108383U JPH01108383U JP258588U JP258588U JPH01108383U JP H01108383 U JPH01108383 U JP H01108383U JP 258588 U JP258588 U JP 258588U JP 258588 U JP258588 U JP 258588U JP H01108383 U JPH01108383 U JP H01108383U
- Authority
- JP
- Japan
- Prior art keywords
- check valve
- priming
- exhaust passage
- pump
- valve
- 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
- 230000037452 priming Effects 0.000 claims description 4
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 3
- 238000013459 approach Methods 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 1
Landscapes
- Structures Of Non-Positive Displacement Pumps (AREA)
Description
図面は本考案の実施による乾式自吸水ポンプの
呼水装置の構成図である。
１……ポンプ本体、２……吸水口、４……電磁
弁、５，１１……逆止弁、６……真空ポンプ、７
，８，９……排気通路。
The drawing is a configuration diagram of a priming device for a dry self-priming pump according to the present invention. 1... Pump body, 2... Water inlet, 4... Solenoid valve, 5, 11... Check valve, 6... Vacuum pump, 7
, 8, 9...exhaust passage.
Claims (1)
動から吸水まで自動運転可能とした給水ポンプに
おいて、ポンプ本体吸水口部から電磁弁、逆止弁
Ａ、そして真空ポンプへと排気通路で連結し、逆
止弁Ａは真空ポンプに向つて流れる場合のみ開弁
するように構成したことを特徴とする乾式自吸水
ポンプの呼水装置。 (2) 電磁弁から逆止弁Ａに接続された排気通路
の途中を分岐して外気との間に逆止弁Ｂを連結し
、逆止弁Ｂは、前記排気通路が負圧の時は閉じ、
圧力が大気圧に近ずいた時には外部に開く自動排
水弁になるように構成した実用新案登録請求の範
囲第１項記載の乾式自吸水ポンプの呼水装置。[Scope of Claim for Utility Model Registration] (1) In a water supply pump that is equipped with a vacuum pump for priming and is capable of automatic operation from startup to water intake, a solenoid valve, check valve A, A priming device for a dry self-priming pump, characterized in that it is connected to a vacuum pump through an exhaust passage, and the check valve A is configured to open only when the flow is directed toward the vacuum pump. (2) A check valve B is connected between the solenoid valve and the outside air by branching off in the middle of the exhaust passage connected to the check valve A from the solenoid valve, and when the exhaust passage is under negative pressure, the check valve B close,
A priming device for a dry self-priming pump according to claim 1, which is configured to become an automatic drain valve that opens to the outside when the pressure approaches atmospheric pressure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP258588U JPH01108383U (en) | 1988-01-14 | 1988-01-14 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP258588U JPH01108383U (en) | 1988-01-14 | 1988-01-14 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH01108383U true JPH01108383U (en) | 1989-07-21 |
Family
ID=31203478
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP258588U Pending JPH01108383U (en) | 1988-01-14 | 1988-01-14 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH01108383U (en) |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS603285B2 (en) * | 1976-08-25 | 1985-01-26 | ライオン株式会社 | Oral composition |
-
1988
- 1988-01-14 JP JP258588U patent/JPH01108383U/ja active Pending
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS603285B2 (en) * | 1976-08-25 | 1985-01-26 | ライオン株式会社 | Oral composition |