JPS62156184U - - Google Patents
Info
- Publication number
- JPS62156184U JPS62156184U JP4401686U JP4401686U JPS62156184U JP S62156184 U JPS62156184 U JP S62156184U JP 4401686 U JP4401686 U JP 4401686U JP 4401686 U JP4401686 U JP 4401686U JP S62156184 U JPS62156184 U JP S62156184U
- Authority
- JP
- Japan
- Prior art keywords
- pump chamber
- casing
- pump
- rotor
- radial direction
- 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.)
- Granted
Links
- 230000037452 priming Effects 0.000 claims 2
- 230000002093 peripheral effect Effects 0.000 description 1
Description
第１図は本考案の一実施例を示す縦断面図、第
２図は第１図の―線断面図、第３図は第２図
の要部拡大図である。
５……軸受部、６……ケーシング、６ａ……ポ
ンプ室、６ｂ……ポンプ室の内周壁、７……回転
子、８……溝、９……滑り羽根、１３……逆止シ
ール弁、１６……導通路。
FIG. 1 is a longitudinal sectional view showing an embodiment of the present invention, FIG. 2 is a sectional view taken along the line -- in FIG. 1, and FIG. 3 is an enlarged view of the main part of FIG. 5...Bearing part, 6...Casing, 6a...Pump chamber, 6b...Inner peripheral wall of pump chamber, 7...Rotor, 8...Groove, 9...Sliding vane, 13...Check seal valve , 16... Conduction path.
Claims (1)
に取付けられて前記ケーシングのポンプ室内に収
納された回転子と、前記回転子にその軸芯に対し
て放射状をなすように径方向に形成された複数の
溝と、前記各溝内に径方向に摺動自在に収納され
て前記ポンプ室の内周壁を先端が摺動する滑り羽
根とを備えてなる呼水用真空ポンプにおいて、 前記ポンプ空から外部に連通する導通路と、 前記導通路の途中に設けられて前記ポンプ室内
の正圧時に開く逆止シール弁とを具備しているこ
とを特徴とする呼水用真空ポンプ。[Claims for Utility Model Registration] A casing, a rotor mounted on a shaft bearing in the casing and housed in a pump chamber of the casing, and a rotor arranged radially with respect to the axis of the rotor. A priming vacuum pump comprising a plurality of grooves formed in the radial direction, and a sliding blade that is slidably housed in each groove in the radial direction and whose tip slides on the inner circumferential wall of the pump chamber. A priming vacuum comprising: a conduction path that communicates from the pump chamber to the outside; and a check seal valve that is provided in the middle of the conduction path and opens when the pump chamber is under positive pressure. pump.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1986044016U JPH0720391Y2 (en) | 1986-03-27 | 1986-03-27 | Vacuum pump for priming water |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1986044016U JPH0720391Y2 (en) | 1986-03-27 | 1986-03-27 | Vacuum pump for priming water |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS62156184U true JPS62156184U (en) | 1987-10-03 |
| JPH0720391Y2 JPH0720391Y2 (en) | 1995-05-15 |
Family
ID=30861426
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1986044016U Expired - Lifetime JPH0720391Y2 (en) | 1986-03-27 | 1986-03-27 | Vacuum pump for priming water |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0720391Y2 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2002119609A (en) * | 2000-10-17 | 2002-04-23 | Morita Corp | Priming structure for vacuum pump and fire extinguishing pump |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS4920882U (en) * | 1972-05-23 | 1974-02-21 | ||
| JPS53116810U (en) * | 1977-11-18 | 1978-09-18 |
-
1986
- 1986-03-27 JP JP1986044016U patent/JPH0720391Y2/en not_active Expired - Lifetime
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS4920882U (en) * | 1972-05-23 | 1974-02-21 | ||
| JPS53116810U (en) * | 1977-11-18 | 1978-09-18 |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2002119609A (en) * | 2000-10-17 | 2002-04-23 | Morita Corp | Priming structure for vacuum pump and fire extinguishing pump |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0720391Y2 (en) | 1995-05-15 |