JPH02107789U - - Google Patents
Info
- Publication number
- JPH02107789U JPH02107789U JP1505489U JP1505489U JPH02107789U JP H02107789 U JPH02107789 U JP H02107789U JP 1505489 U JP1505489 U JP 1505489U JP 1505489 U JP1505489 U JP 1505489U JP H02107789 U JPH02107789 U JP H02107789U
- Authority
- JP
- Japan
- Prior art keywords
- cylindrical member
- metal cylindrical
- centrifugal pump
- ceramic impeller
- adhesive
- 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
- 239000002184 metal Substances 0.000 claims description 5
- 229910052751 metal Inorganic materials 0.000 claims description 5
- 239000000853 adhesive Substances 0.000 claims description 4
- 230000001070 adhesive effect Effects 0.000 claims description 4
- 239000000919 ceramic Substances 0.000 claims description 3
- 150000002739 metals Chemical class 0.000 claims 1
- 229910000975 Carbon steel Inorganic materials 0.000 description 1
- 229910001030 Iron–nickel alloy Inorganic materials 0.000 description 1
- 239000010962 carbon steel Substances 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
Landscapes
- Structures Of Non-Positive Displacement Pumps (AREA)
Description
第１図は本考案に係る遠心ポンプの断面図、第
２図、第３図はそれぞれ金属製円筒部材に炭素鋼
、ニツケル鉄合金を用いた場合の軸方向半径分の
変形状態を示す図、第４図は接着剤の引張り強さ
を１とした場合に、第２図、第３図に示す変形に
よつて接着剤に加わる応力を示すグラフである。
１…ポンプ軸、３…金属製円筒部材、５…セラ
ミツク製インペラ、６…接着剤。
FIG. 1 is a cross-sectional view of a centrifugal pump according to the present invention, and FIGS. 2 and 3 are diagrams showing the deformation state of the radial portion in the axial direction when carbon steel and nickel iron alloy are used for the metal cylindrical member, respectively. FIG. 4 is a graph showing the stress applied to the adhesive due to the deformation shown in FIGS. 2 and 3, assuming that the tensile strength of the adhesive is 1. DESCRIPTION OF SYMBOLS 1...Pump shaft, 3...Metal cylindrical member, 5...Ceramic impeller, 6...Adhesive.
Claims (1)
ボス部内に固着してなるセラミツクス製インペラ
を、先端に雄ねじを有するポンプ軸に螺着して取
り付ける遠心ポンプにおいて、前記金属製円筒部
材を前記セラミツクスと略同一の熱膨張係数の金
属で構成したことを特徴とする遠心ポンプ。 In a centrifugal pump in which a ceramic impeller, which is made by fixing a metal cylindrical member with an internal thread inside a boss part with an adhesive, is screwed onto a pump shaft having a male thread at the tip, the metal cylindrical member is abbreviated as the ceramic impeller. A centrifugal pump characterized by being constructed of metals with the same coefficient of thermal expansion.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1505489U JPH02107789U (en) | 1989-02-10 | 1989-02-10 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1505489U JPH02107789U (en) | 1989-02-10 | 1989-02-10 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH02107789U true JPH02107789U (en) | 1990-08-28 |
Family
ID=31226773
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1505489U Pending JPH02107789U (en) | 1989-02-10 | 1989-02-10 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH02107789U (en) |
-
1989
- 1989-02-10 JP JP1505489U patent/JPH02107789U/ja active Pending
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