JPS63121789U - - Google Patents
Info
- Publication number
- JPS63121789U JPS63121789U JP1405587U JP1405587U JPS63121789U JP S63121789 U JPS63121789 U JP S63121789U JP 1405587 U JP1405587 U JP 1405587U JP 1405587 U JP1405587 U JP 1405587U JP S63121789 U JPS63121789 U JP S63121789U
- Authority
- JP
- Japan
- Prior art keywords
- stage
- group
- blower
- pump
- casing
- 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
- 238000005192 partition Methods 0.000 claims description 6
- 230000007797 corrosion Effects 0.000 claims 3
- 238000005260 corrosion Methods 0.000 claims 3
- 239000007769 metal material Substances 0.000 claims 2
- 239000000463 material Substances 0.000 claims 1
Landscapes
- Structures Of Non-Positive Displacement Pumps (AREA)
Description
第１図は本考案のバレル形多段送風機または多
段ポンプの一実施例を示すバレル形多段キヤンド
モータ送風機の断面図、第２図は本考案の他の実
施例を示す一部の断面図、第３図は従来のバレル
形多段キヤンドモータ送風機の断面図である。
２２…外部ケーシング、２３…羽根車、２４…
内部ケーシング、２５…送風機またはポンプ、２
６…吸込口、２７…吐出口、２８…中央ケーシン
グ、２９，３０…側部ケーシング、３９…外側仕
切体、４１…内側仕切体、４６…吸孔室、５１…
第１の送風機群またはポンプ群、５２…第２の送
風機群またはポンプ群、６４，６７…流路、６８
…軸封部。
FIG. 1 is a sectional view of a barrel-type multi-stage canned motor blower showing one embodiment of the barrel-type multi-stage blower or multi-stage pump of the present invention, FIG. 2 is a partial sectional view showing another embodiment of the present invention, and FIG. The figure is a sectional view of a conventional barrel-type multi-stage canned motor blower. 22... External casing, 23... Impeller, 24...
Internal casing, 25...Blower or pump, 2
6... Suction port, 27... Discharge port, 28... Central casing, 29, 30... Side casing, 39... Outer partition, 41... Inner partition, 46... Suction hole chamber, 51...
First blower group or pump group, 52... Second blower group or pump group, 64, 67... Channel, 68
...Shaft seal.
Claims (1)
ーシングとこの中央ケーシングの両端面にそれぞ
れ気密に接合した２個の側部ケーシングとから外
部ケーシングを構成し、 この外部ケーシング内に、羽根車と内部ケーシ
ングとからなる複数の各段送風機または各段ポン
プをその各吸込側を内向きにして前記外部ケーシ
ングの中央部から軸方向の両側へ順次積み重ねて
構成した第１の送風機群またはポンプ群と第２の
送風機群またはポンプ群とを配設し、 前記中央ケーシング内に、前記吸込口と前記第
１の送風機群またはポンプ群の初段吸込側とを連
通する吸込室を形成する内側仕切体と、この内側
仕切体と前記中央ケーシング間の空間を前記第１
の送風機群またはポンプ群の最終段吐出側から前
記第２の送風機群またはポンプ群の初段吸込側へ
至る流路及び前記第２の送風機群またはポンプ群
の最終段吐出側から前記吐出口へ至る流路に仕切
る外側仕切体とをそれぞれ配設し、前記吸込室と
前記第２の送風機群またはポンプ群の初段吸込側
との間に軸封部を設けたことを特徴とするバレル
形多段送風機または多段ポンプ。 (2) 外部ケーシングの中央ケーシングは耐蝕性
金属材で構成するとともに２個の側部ケーシング
は非耐蝕性金属材で構成し、その２個の側部ケー
シングをそれぞれカツプ状に形成してその内壁に
耐蝕性材からなるライニングを施したことを特徴
とする実用新案登録請求の範囲第１項記載のバレ
ル形多段送風機または多段ポンプ。[Claims for Utility Model Registration] (1) An outer casing is composed of an annular central casing having an inlet and an outlet, and two side casings hermetically joined to both end faces of the central casing, A plurality of stage blowers or pumps each consisting of an impeller and an inner casing are sequentially stacked in an outer casing from the center of the outer casing to both sides in the axial direction with their respective suction sides facing inward. A first blower group or pump group and a second blower group or pump group are disposed, and a suction port is provided in the central casing to communicate the suction port with a first-stage suction side of the first blower group or pump group. an inner partition forming a chamber, and a space between the inner partition and the central casing defined by the first
A flow path from the final stage discharge side of the blower group or pump group to the first stage suction side of the second blower group or pump group, and from the final stage discharge side of the second blower group or pump group to the discharge port. A barrel-type multi-stage blower, characterized in that outer partitions are arranged to partition the flow paths, and a shaft seal is provided between the suction chamber and the first-stage suction side of the second blower group or the pump group. or multi-stage pump. (2) The central casing of the external casing is made of a corrosion-resistant metal material, and the two side casings are made of a non-corrosion-resistant metal material, and each of the two side casings is formed into a cup shape and its inner wall A barrel-type multi-stage blower or multi-stage pump according to claim 1, characterized in that the barrel-type multi-stage blower or multi-stage pump is provided with a lining made of a corrosion-resistant material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1987014055U JPH0622154Y2 (en) | 1987-02-02 | 1987-02-02 | Barrel type multistage blower or multistage pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1987014055U JPH0622154Y2 (en) | 1987-02-02 | 1987-02-02 | Barrel type multistage blower or multistage pump |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS63121789U true JPS63121789U (en) | 1988-08-08 |
| JPH0622154Y2 JPH0622154Y2 (en) | 1994-06-08 |
Family
ID=30803691
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1987014055U Expired - Lifetime JPH0622154Y2 (en) | 1987-02-02 | 1987-02-02 | Barrel type multistage blower or multistage pump |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0622154Y2 (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| ITFI20120272A1 (en) * | 2012-12-05 | 2014-06-06 | Nuovo Pignone Srl | "BACK-TO-BACK CENTRIFUGAL PUMP" |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS51111902U (en) * | 1975-03-07 | 1976-09-10 | ||
| JPS52111902U (en) * | 1976-02-24 | 1977-08-25 | ||
| JPS5483004U (en) * | 1977-11-24 | 1979-06-12 | ||
| JPS60195992U (en) * | 1984-06-07 | 1985-12-27 | 株式会社 帝国電機製作所 | Sheet metal intermediate casing for multistage pumps or blowers |
-
1987
- 1987-02-02 JP JP1987014055U patent/JPH0622154Y2/en not_active Expired - Lifetime
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS51111902U (en) * | 1975-03-07 | 1976-09-10 | ||
| JPS52111902U (en) * | 1976-02-24 | 1977-08-25 | ||
| JPS5483004U (en) * | 1977-11-24 | 1979-06-12 | ||
| JPS60195992U (en) * | 1984-06-07 | 1985-12-27 | 株式会社 帝国電機製作所 | Sheet metal intermediate casing for multistage pumps or blowers |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0622154Y2 (en) | 1994-06-08 |
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