JPS61175596U - - Google Patents

Info

Publication number
JPS61175596U
JPS61175596U JP1986005950U JP595086U JPS61175596U JP S61175596 U JPS61175596 U JP S61175596U JP 1986005950 U JP1986005950 U JP 1986005950U JP 595086 U JP595086 U JP 595086U JP S61175596 U JPS61175596 U JP S61175596U
Authority
JP
Japan
Prior art keywords
bearing
shaft
thrust
electric pump
thrust surface
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
Application number
JP1986005950U
Other languages
Japanese (ja)
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
Publication of JPS61175596U publication Critical patent/JPS61175596U/ja
Pending legal-status Critical Current

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04D—NON-POSITIVE-DISPLACEMENT PUMPS
    • F04D13/00—Pumping installations or systems
    • F04D13/02—Units comprising pumps and their driving means
    • F04D13/06—Units comprising pumps and their driving means the pump being electrically driven
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
    • F16C33/00—Parts of bearings; Special methods for making bearings or parts thereof
    • F16C33/02—Parts of sliding-contact bearings
    • F16C33/04—Brasses; Bushes; Linings
    • F16C33/06—Sliding surface mainly made of metal
    • F16C33/10—Construction relative to lubrication
    • F16C33/1025—Construction relative to lubrication with liquid, e.g. oil, as lubricant
    • F16C33/106—Details of distribution or circulation inside the bearings, e.g. details of the bearing surfaces to affect flow or pressure of the liquid
    • F16C33/1065—Grooves on a bearing surface for distributing or collecting the liquid
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04D—NON-POSITIVE-DISPLACEMENT PUMPS
    • F04D29/00—Details, component parts, or accessories
    • F04D29/06—Lubrication
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02K—DYNAMO-ELECTRIC MACHINES
    • H02K5/00—Casings; Enclosures; Supports
    • H02K5/04—Casings or enclosures characterised by the shape, form or construction thereof
    • H02K5/16—Means for supporting bearings, e.g. insulating supports or means for fitting bearings in the bearing-shields
    • H02K5/167—Means for supporting bearings, e.g. insulating supports or means for fitting bearings in the bearing-shields using sliding-contact or spherical cap bearings
    • H02K5/1672—Means for supporting bearings, e.g. insulating supports or means for fitting bearings in the bearing-shields using sliding-contact or spherical cap bearings radially supporting the rotary shaft at both ends of the rotor

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • Power Engineering (AREA)
  • Structures Of Non-Positive Displacement Pumps (AREA)
  • Sliding-Contact Bearings (AREA)

Description

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

第１図は変圧器の部分切断斜視図、第２図は第
１図に示す変圧器に用いるのに適当な電動ポンプ
の縦断面図、第３図は本考案による電動ポンプの
軸受構造および軸を示す拡大縦断面図、第４図は
第３図の―線に沿つた断面図、第５図は本考
案の別の実施例を示す溝付軸部分の側面図、第６
図は溝付軸受スリーブ部分を示す斜視図である。 ６０……ハウジング、６６……回転子、７０…
…潤滑剤取入領域（電動機室）、７８……ポンプ
要素（インペラー）、９０……軸、９２，９４…
…軸受、９６，９８……円筒形軸受面、１１４…
…流れ誘導部材（推力軸受）、１１６，１１８；
１３０，１３２……螺旋溝。 Fig. 1 is a partially cutaway perspective view of a transformer, Fig. 2 is a vertical sectional view of an electric pump suitable for use in the transformer shown in Fig. 1, and Fig. 3 is a bearing structure and shaft of an electric pump according to the present invention. FIG. 4 is a sectional view taken along line - in FIG. 3, FIG. 5 is a side view of the grooved shaft portion showing another embodiment of the present invention, and FIG.
The figure is a perspective view showing a grooved bearing sleeve portion. 60...Housing, 66...Rotor, 70...
...Lubricant intake area (motor room), 78...Pump element (impeller), 90...Shaft, 92, 94...
...Bearing, 96, 98...Cylindrical bearing surface, 114...
...flow guiding member (thrust bearing), 116, 118;
130, 132...Spiral groove.

Claims (1)

【実用新案登録請求の範囲】 (1) ポンプ素子と回転子を有する電動機とを収
容するハウジングを備え、上記ポンプ要素および
上記回転子が複数の軸受内に回転可能に支持され
た共通の軸に固着され、上記軸受が各々、ポンプ
運転中に冷却液を収容する上記ハウジング内の空
間に連通した潤滑剤取入領域と円筒形軸受面とを
有する電動ポンプに於て、 各々の上記軸受に、上記円筒形軸受面および上
記円筒形軸受面に支承された軸部分の表面の少な
くとも一方に形成され、上記潤滑剤取入領域から
軸受の一端にまで延び、上記軸の通常回転時に上
記潤滑剤取入領域からの冷却液の流れを発生させ
るように軸の回転軸心周囲で螺旋状に配置された
螺旋溝と、上記軸受の上記一端に近接して上記軸
と共に回転するように上記軸上に設けられ、上記
螺旋溝と共働して上記軸受を通る上記冷却液の流
れを促進させる吸入圧を発生させる流れ誘導部材
とが組合わされ、上記軸受が非導電性材料製であ
ることを特徴とする電動ポンプ。 (2) 各々の上記軸受が、上記軸受の上記一端に
設けられて上記回転軸心に直角な推力面を有し、
上記螺旋溝のうちの少なくとも幾つかが上記軸に
形成され、上記流れ誘導部材が上記軸受の推力面
と共働する推力面を有する推力カラーであり、上
記推力カラーの上記推力面が上記軸受の推力面に
向つて開いた略々径方向の複数の溝を有し、各々
の上記径方向の溝がその径方向内端で上記軸の上
記螺旋溝のうちの一つに連通し、またその径方向
外端で上記ハウジングの内部に連通してなる実用
新案登録請求の範囲第１項記載の電動ポンプ。 (3) 上記略々径方向の溝が、内側から外端に向
つて上記軸の通常の回転方向と逆の方向に曲がり
あるいは傾いてなる実用新案登録請求の範囲第２
項記載の電動ポンプ。 (4) 上記軸受が非導電性材料製である実用新案
登録請求の範囲第１項、第２項あるいは第３項記
載の電動ポンプ。[Claims for Utility Model Registration] (1) A housing for accommodating a pump element and an electric motor having a rotor, the pump element and the rotor being mounted on a common shaft rotatably supported within a plurality of bearings; in an electric pump fixedly attached, each of said bearings having a lubricant intake region and a cylindrical bearing surface communicating with a space in said housing that contains a coolant during pump operation; formed on at least one of the surface of the cylindrical bearing surface and the shaft portion supported by the cylindrical bearing surface, extending from the lubricant intake region to one end of the bearing, and extending from the lubricant intake region to one end of the bearing during normal rotation of the shaft. a helical groove arranged helically around the axis of rotation of the shaft to generate a flow of coolant from the input region; and a flow guiding member that cooperates with the helical groove to generate a suction pressure that promotes the flow of the coolant through the bearing, and the bearing is made of a non-conductive material. electric pump. (2) each of the bearings has a thrust surface provided at the one end of the bearing and perpendicular to the rotational axis;
at least some of the helical grooves are formed in the shaft, the flow directing member is a thrust collar having a thrust surface cooperating with a thrust surface of the bearing, and the thrust surface of the thrust collar is a thrust surface of the bearing. a plurality of generally radial grooves open toward the thrust surface, each radial groove communicating with one of the helical grooves of the shaft at its radially inner end; The electric pump according to claim 1, which communicates with the inside of the housing at its radially outer end. (3) Utility model registration claim 2, in which the substantially radial groove is bent or inclined from the inner side toward the outer end in a direction opposite to the normal rotational direction of the shaft.
Electric pump as described in section. (4) The electric pump according to claim 1, 2 or 3, wherein the bearing is made of a non-conductive material.
JP1986005950U 1981-01-23 1986-01-21 Pending JPS61175596U (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US22801581A 1981-01-23 1981-01-23

Publications (1)

Publication Number Publication Date
JPS61175596U true JPS61175596U (en) 1986-11-01

Family

ID=22855397

Family Applications (2)

Application Number Title Priority Date Filing Date
JP57009440A Pending JPS57143192A (en) 1981-01-23 1982-01-23 Electromotive pump
JP1986005950U Pending JPS61175596U (en) 1981-01-23 1986-01-21

Family Applications Before (1)

Application Number Title Priority Date Filing Date
JP57009440A Pending JPS57143192A (en) 1981-01-23 1982-01-23 Electromotive pump

Country Status (5)

Country Link
JP (2) JPS57143192A (en)
KR (1) KR830009392A (en)
BE (1) BE891880A (en)
CA (1) CA1183721A (en)
FR (1) FR2498696B1 (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105186453A (en) * 2015-10-28 2015-12-23 山东山大世纪科技有限公司 Self-learning differential protection malfunction device for transformer of traction substation

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100362889B1 (en) * 2001-02-22 2002-12-05 박희성 A circulaton pump for cooling transformer
DE102010040156A1 (en) 2010-09-02 2012-03-08 Federal-Mogul Wiesbaden Gmbh Dirt guide grooves in lubricated plain bearings
DE102012205757B4 (en) * 2012-04-10 2014-08-21 Continental Automotive Gmbh Rotor for a rotating electrical machine and motor-gear unit
DE102022202277A1 (en) * 2022-03-07 2023-09-07 BSH Hausgeräte GmbH Pump, pump system and water-bearing household appliance

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2363419A (en) * 1941-05-05 1944-11-21 Howard Giles Philip Eliot Submersible pump
US2810614A (en) * 1956-12-21 1957-10-22 Carl A Rettman Bearing for rotary driven vertical pump shaft
FR2199074B1 (en) * 1973-05-04 1974-12-06 Poclain Sa

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105186453A (en) * 2015-10-28 2015-12-23 山东山大世纪科技有限公司 Self-learning differential protection malfunction device for transformer of traction substation
CN105186453B (en) * 2015-10-28 2017-10-10 山东山大世纪科技有限公司 A kind of self learning type differential protection malfunction device on traction substation transformer

Also Published As

Publication number Publication date
JPS57143192A (en) 1982-09-04
CA1183721A (en) 1985-03-12
FR2498696A1 (en) 1982-07-30
KR830009392A (en) 1983-12-21
FR2498696B1 (en) 1987-12-11
BE891880A (en) 1982-07-22

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