JPS6314895U - - Google Patents

Info

Publication number
JPS6314895U
JPS6314895U JP10672586U JP10672586U JPS6314895U JP S6314895 U JPS6314895 U JP S6314895U JP 10672586 U JP10672586 U JP 10672586U JP 10672586 U JP10672586 U JP 10672586U JP S6314895 U JPS6314895 U JP S6314895U
Authority
JP
Japan
Prior art keywords
gas seal
pump
chamber
motor rotor
motor
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
Application number
JP10672586U
Other languages
Japanese (ja)
Other versions
JPH078876Y2 (en
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed filed Critical
Priority to JP1986106725U priority Critical patent/JPH078876Y2/en
Publication of JPS6314895U publication Critical patent/JPS6314895U/ja
Application granted granted Critical
Publication of JPH078876Y2 publication Critical patent/JPH078876Y2/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Description

【図面の簡単な説明】[Brief explanation of drawings]

第１図は本考案に係るガスシール機構の一実施
例を示すモータ駆動ポンプの要部断面図、第２図
は本考案に係るガスシール機構の別の実施例を示
すモータ駆動ポンプの要部断面図、第３図は本考
案に係るガスシール機構のさらに別の実施例を示
すモータ駆動ポンプの要部断面図である。 １０……ポンプ部、１２……モータ部、１４…
…ガスシール室、１６……ポンプケーシング、１
８……モータケーシング、２０……円筒ケーシン
グ、２２……モータロータ軸、２４……モータロ
ータ室、２６……軸封機構、２８……ポンプ室、
３０……軸貫通孔、３２……隔壁、３４……間隙
、３６……インペラ、３８……ガス供給管、４０
……螺旋溝、４２……リング部材、４４……筒形
ガイド部材、４６……筒形ガイド部材、４８……
螺旋溝、５０……小形インペラ、５２……ケーシ
ング部材。 FIG. 1 is a sectional view of the main parts of a motor-driven pump showing one embodiment of the gas seal mechanism according to the present invention, and FIG. 2 is a main part of the motor-driven pump showing another embodiment of the gas seal mechanism according to the invention. 3 is a cross-sectional view of a main part of a motor-driven pump showing still another embodiment of the gas seal mechanism according to the present invention. 10...Pump section, 12...Motor section, 14...
...Gas seal chamber, 16...Pump casing, 1
8... Motor casing, 20... Cylindrical casing, 22... Motor rotor shaft, 24... Motor rotor chamber, 26... Shaft sealing mechanism, 28... Pump chamber,
30... Shaft through hole, 32... Partition wall, 34... Gap, 36... Impeller, 38... Gas supply pipe, 40
... spiral groove, 42 ... ring member, 44 ... cylindrical guide member, 46 ... cylindrical guide member, 48 ...
Spiral groove, 50...small impeller, 52...casing member.

Claims (1)

【実用新案登録請求の範囲】 (1) モータケーシングとポンプケーシングとを
上下の関係で接続配置し、これらのモータケーシ
ングとポンプケーシングとの間にガスシール室を
設け、ガスシール室とモータロータ室とを貫通す
るモータロータ軸部分を軸封し、ガスシール室と
ポンプ室との隔壁に軸貫通孔を介して前記モータ
ロータ軸を貫通させ、前記軸貫通孔の間隙により
ガスシール室とポンプ室とを連通するよう構成し
たモータ駆動ポンプにおいて、前記ガスシール室
内に前記モータロータ軸の回転によつてガスシー
ル室内の液をポンプ室側へ移送する推力を発生す
る推力発生機構を設けることを特徴とするポンプ
のガスシール機構。 (2) 実用新案登録請求の範囲第１項記載のガス
シール機構において、ガスシール室内におけるガ
ス圧力は、推力発生機構による推力との和と、ポ
ンプ室内の液圧力とがバランスするよう設定して
なるポンプのガスシール機構。 (3) 実用新案登録請求の範囲第１項記載のガス
シール機構において、推力発生機構は、ガスシー
ル室とポンプ室との隔壁に近接したモータロータ
軸に対し、このモータロータ軸の回転を利用した
ねじポンプで構成してなるポンプのガスシール機
構。 (4) 実用新案登録請求の範囲第１項記載のガス
シール機構において、推力発生機構は、ガスシー
ル室とポンプ室との隔壁に近接したモータロータ
軸に対し、このモータロータ軸にインペラを取付
けた遠心ポンプで構成してなるポンプのガスシー
ル機構。[Scope of Claim for Utility Model Registration] (1) A motor casing and a pump casing are connected and arranged in a vertical relationship, a gas seal chamber is provided between the motor casing and the pump casing, and the gas seal chamber and the motor rotor chamber are connected. The motor rotor shaft passing through the shaft is sealed, and the motor rotor shaft is passed through the partition wall between the gas seal chamber and the pump chamber through a shaft through hole, and the gas seal chamber and the pump chamber are communicated through the gap between the shaft through holes. In the motor-driven pump configured to do so, a thrust generating mechanism is provided in the gas seal chamber to generate a thrust for transferring the liquid in the gas seal chamber to the pump chamber side by rotation of the motor rotor shaft. Gas seal mechanism. (2) Scope of Utility Model Registration In the gas seal mechanism described in claim 1, the gas pressure in the gas seal chamber is set so that the sum of the thrust from the thrust generating mechanism and the liquid pressure in the pump chamber are balanced. Gas seal mechanism of the pump. (3) In the gas seal mechanism described in Claim 1 of the Utility Model Registration Claim, the thrust generating mechanism is a screw thread that utilizes the rotation of the motor rotor shaft that is close to the partition wall between the gas seal chamber and the pump chamber. A pump gas seal mechanism consisting of a pump. (4) In the gas seal mechanism described in claim 1 of the utility model registration claim, the thrust generating mechanism is a centrifugal mechanism with an impeller attached to the motor rotor shaft that is close to the partition wall between the gas seal chamber and the pump chamber. A pump gas seal mechanism consisting of a pump.
JP1986106725U 1986-07-14 1986-07-14 Gas seal mechanism of pump Expired - Lifetime JPH078876Y2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP1986106725U JPH078876Y2 (en) 1986-07-14 1986-07-14 Gas seal mechanism of pump

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1986106725U JPH078876Y2 (en) 1986-07-14 1986-07-14 Gas seal mechanism of pump

Publications (2)

Publication Number Publication Date
JPS6314895U true JPS6314895U (en) 1988-01-30
JPH078876Y2 JPH078876Y2 (en) 1995-03-06

Family

ID=30982345

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1986106725U Expired - Lifetime JPH078876Y2 (en) 1986-07-14 1986-07-14 Gas seal mechanism of pump

Country Status (1)

Country Link
JP (1) JPH078876Y2 (en)

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS53402A (en) * 1976-06-24 1978-01-06 Ajinomoto Kk Slurry pumps of selffliquid sealing type
JPS5336701A (en) * 1976-09-17 1978-04-05 Kubota Ltd Inundation preventing apparatus for submarine pump
JPS5722072U (en) * 1980-07-15 1982-02-04

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS53402A (en) * 1976-06-24 1978-01-06 Ajinomoto Kk Slurry pumps of selffliquid sealing type
JPS5336701A (en) * 1976-09-17 1978-04-05 Kubota Ltd Inundation preventing apparatus for submarine pump
JPS5722072U (en) * 1980-07-15 1982-02-04

Also Published As

Publication number Publication date
JPH078876Y2 (en) 1995-03-06

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