JPS62193196U - - Google Patents
Info
- Publication number
- JPS62193196U JPS62193196U JP8096686U JP8096686U JPS62193196U JP S62193196 U JPS62193196 U JP S62193196U JP 8096686 U JP8096686 U JP 8096686U JP 8096686 U JP8096686 U JP 8096686U JP S62193196 U JPS62193196 U JP S62193196U
- Authority
- JP
- Japan
- Prior art keywords
- pump
- protection device
- valve body
- valve seat
- 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
- 239000000463 material Substances 0.000 claims 1
- 229910001285 shape-memory alloy Inorganic materials 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 1
Landscapes
- Control Of Non-Positive-Displacement Pumps (AREA)
- Temperature-Responsive Valves (AREA)
Description
第１図及び第２図は逆止弁部の拡大断面図、第
３図はポンプの全体構成図である。
２０……バルブボテー、２１……バルブシート
、２２……逆止弁、２５……バルブ全体、２６…
…パツキン、３１……安全具。
1 and 2 are enlarged sectional views of the check valve section, and FIG. 3 is an overall configuration diagram of the pump. 20... Valve body, 21... Valve seat, 22... Check valve, 25... Entire valve, 26...
...Patsukin, 31...safety gear.
Claims (1)
たポンプにおいて、前記弁座の近傍に熱に感応し
変形する部材を設置し、設定温度になるとこの部
材が変形し前記弁体に当接変位させ、前記弁体と
前記弁座に隙間を形成することを特徴とするポン
プの保護装置。 ２ 請求の範囲第１項において、前記部材を温度
に対して可逆的に変形する材料で形成したことを
特徴とするポンプの保護装置。 ３ 請求の範囲第１項において、前記部材をバイ
メタルまたは形状記憶合金で形成したことを特徴
とするポンプの保護装置。[Claims for Utility Model Registration] 1. In a pump equipped with a check valve portion consisting of a valve seat C valve body on the suction side, a member that is sensitive to heat and deforms is installed near the valve seat, and when a set temperature is reached, A protection device for a pump, characterized in that this member is deformed and brought into contact with the valve body to form a gap between the valve body and the valve seat. 2. The pump protection device according to claim 1, wherein the member is made of a material that reversibly deforms with respect to temperature. 3. The pump protection device according to claim 1, wherein the member is made of bimetal or shape memory alloy.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP8096686U JPS62193196U (en) | 1986-05-30 | 1986-05-30 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP8096686U JPS62193196U (en) | 1986-05-30 | 1986-05-30 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS62193196U true JPS62193196U (en) | 1987-12-08 |
Family
ID=30932264
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP8096686U Pending JPS62193196U (en) | 1986-05-30 | 1986-05-30 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS62193196U (en) |
-
1986
- 1986-05-30 JP JP8096686U patent/JPS62193196U/ja active Pending