WO2014161522A2 - Wellenlagerung mit wellendichtung - Google Patents
Wellenlagerung mit wellendichtung Download PDFInfo
- Publication number
- WO2014161522A2 WO2014161522A2 PCT/DE2014/000134 DE2014000134W WO2014161522A2 WO 2014161522 A2 WO2014161522 A2 WO 2014161522A2 DE 2014000134 W DE2014000134 W DE 2014000134W WO 2014161522 A2 WO2014161522 A2 WO 2014161522A2
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- shaft
- seal
- outer race
- shaft seal
- bearing
- Prior art date
Links
Classifications
-
- 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
- F16C33/72—Sealings
- F16C33/76—Sealings of ball or roller bearings
- F16C33/78—Sealings of ball or roller bearings with a diaphragm, disc, or ring, with or without resilient members
- F16C33/784—Sealings of ball or roller bearings with a diaphragm, disc, or ring, with or without resilient members mounted to a groove in the inner surface of the outer race and extending toward the inner race
- F16C33/7843—Sealings of ball or roller bearings with a diaphragm, disc, or ring, with or without resilient members mounted to a groove in the inner surface of the outer race and extending toward the inner race with a single annular sealing disc
- F16C33/7853—Sealings of ball or roller bearings with a diaphragm, disc, or ring, with or without resilient members mounted to a groove in the inner surface of the outer race and extending toward the inner race with a single annular sealing disc with one or more sealing lips to contact the inner race
-
- 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
- F16C19/00—Bearings with rolling contact, for exclusively rotary movement
- F16C19/02—Bearings with rolling contact, for exclusively rotary movement with bearing balls essentially of the same size in one or more circular rows
- F16C19/14—Bearings with rolling contact, for exclusively rotary movement with bearing balls essentially of the same size in one or more circular rows for both radial and axial load
- F16C19/18—Bearings with rolling contact, for exclusively rotary movement with bearing balls essentially of the same size in one or more circular rows for both radial and axial load with two or more rows of balls
-
- 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
- F16C33/30—Parts of ball or roller bearings
- F16C33/58—Raceways; Race rings
- F16C33/581—Raceways; Race rings integral with other parts, e.g. with housings or machine elements such as shafts or gear wheels
-
- 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
- F16J—PISTONS; CYLINDERS; SEALINGS
- F16J15/00—Sealings
- F16J15/16—Sealings between relatively-moving surfaces
- F16J15/32—Sealings between relatively-moving surfaces with elastic sealings, e.g. O-rings
- F16J15/3204—Sealings between relatively-moving surfaces with elastic sealings, e.g. O-rings with at least one lip
- F16J15/322—Sealings between relatively-moving surfaces with elastic sealings, e.g. O-rings with at least one lip supported in a direction perpendicular to the surfaces
-
- 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
- F16J—PISTONS; CYLINDERS; SEALINGS
- F16J15/00—Sealings
- F16J15/16—Sealings between relatively-moving surfaces
- F16J15/32—Sealings between relatively-moving surfaces with elastic sealings, e.g. O-rings
- F16J15/3204—Sealings between relatively-moving surfaces with elastic sealings, e.g. O-rings with at least one lip
- F16J15/3228—Sealings between relatively-moving surfaces with elastic sealings, e.g. O-rings with at least one lip formed by deforming a flat ring
Definitions
- the invention relates to a shaft bearing with shaft seal, in particular for water pumps in motor vehicles.
- Such shaft bearings are usually arranged in the pump housing of water pumps in motor vehicles, between a central shaft and a one-piece outer race usually the rolling elements (eg a double-row ball or roller bearings or combinations consisting of ball bearings and roller bearings) are arranged in two rows so that the "grooves" are arranged in the shaft spaced from each other so that their distances correspond to the respective functionally associated raceway grooves in the outer race part.
- the rolling elements eg a double-row ball or roller bearings or combinations consisting of ball bearings and roller bearings
- this mechanical seal is arranged at a distance from the rolling bearing in the pump housing so that in the pump housing, in the region between the mechanical seal and the rolling bearing, outwardly leading passage hole are arranged, which is an escape of water or water vapor , which passes the mechanical seal, ensure to the outside.
- a sealing ring between the rolling bearing and the mechanical seal is arranged, which has a core which is fixed at one end of the outer race of the rolling bearing in a shoulder portion, said core having a cross-sectional shape such that whose middle section is curved to a substantially U-shaped configuration so that the core extends along a cylinder-cylinder-shaped angled portion in the direction of a rolling bearing arranged on the shaft next to the mechanical seal, with the shaft rotating slinger.
- the impeller side i. between the shaft bearing and the pump impeller, always arranged a mechanical seal, so that all the aforementioned designs always characterized in that a seal ring is pressed by a compression spring to a mating ring and seals with a bellows-type secondary seal.
- the counter-ring relative to the housing by a separate separate sealing ring, which is mounted separately in a separate press fit in the housing next to the outer race, sealed.
- the invention has for its object to provide a shaft bearing with shaft seal, especially for water pumps in motor vehicles, which meets the requirements of modern water pumps with long maturities and extreme applications, both at high and low temperatures over a long period of operation reliably ensures the seal , the heat development, as well as the friction in the sealing area significantly reduced, the space required (installation space shaft bearing with shaft seal) in Wasserzuström Scheme (suction) significantly reduced, ie minimized, while the possibility of penetration of contaminants in the seal even under extreme conditions of use resulting in significantly reduced manufacturing and assembly costs, and also the reliability and life of the entire assembly itself significantly increased after very long periods even under extreme conditions of use.
- FIG. 1 shows one of the possible designs of the shaft bearings according to the invention with shaft seal, in particular for water pumps in FIG Motor vehicles, in section in the side view with directly in the outer race 1 arranged components of the special radial shaft seal 7 with barrel 20.
- FIG. 2 shows another of the possible types of shaft bearing according to the invention with shaft seal in section in the side view.
- a seal housing pot 17 is pressed in the outer race 1, in which the components of a special radial shaft seal 7 are arranged.
- the shaft bearing according to the invention with shaft seal in particular for water pumps in motor vehicles has an outer race 1 and a shaft arranged centrally in this shaft 2, arranged between the outer race 1 and the shaft 2 rolling elements 3, between the associated grooves 4, in the outer race 1 and in the shaft 2 are arranged, rotate, wherein the rolling elements 3 are guided spaced apart under grease lubrication in cages 5, and on both sides of the rolling elements 3, as usual in grease-lubricated bearings, shaft seals 6 are arranged.
- a special radial shaft seal 7 is arranged in addition to the water side of the rolling elements 3 adjacent shaft seal 6 according to the invention within the outer race 1 .
- Characteristic of this according to the invention arranged within the outer race 1 Spezialradialwellendichtung 7 is that these spaced from a water-side shaft seal 6, fixed in the outer race 1, stable rear wall 8, a water side of this rear wall 8 adjacent secondary lip seal 9, one of these secondary lip seal 9 adjacent, in Outer ring 1 fixedly fixed in position support body 10 and this support body 10 water side, ie pressure side, arranged adjacent, both fixed relative to the support body 10 as well as with respect to the outer race 1, primary lip seal 11 consists.
- Reibtechnisch is advantageous if the support body 10 adjacent free spaces are filled in the final assembly state with grease.
- a shaft shoulder 14 is located in the leakage chamber 12. On the one hand, this enables optimal assembly of the assemblies 11 axially delimiting the leakage chamber 12.
- the fixed in the outer race 1, the rolling elements 3 on the water side adjacent shaft seal 6 is a radial shaft seal with a special, with press fit in the working area of the associated shaft seal 6 bearing side of the shaft shoulder 14 adjacent arranged on the shaft 2 Schleuderkragenlaufhülse 15 in Active compound occurs, which has a Schleuderkragen 16 on the leakage chamber side.
- the solution according to the invention allows compared to the customary in the art separate mounting of the shaft bearing and the Axialgleitringdichtitch in each separate housing seats a much simpler and also tilt-free installation.
- the inventive avoidance of the use of Axialgleitringdichtitch also the friction in the sealing area is also significantly reduced, thereby also reduces the drive-side power losses of the coolant pump and at the same time significantly reduces heat generation at the sealing gap, so that both at high and low temperatures an optimal, low-friction seal at Significant increase in transit times in continuous operation can be reliably guaranteed.
- the use of the solution according to the invention leads to an optimization of the installation space with a significant reduction in space requirements for the installation of shaft bearings with shaft seal in the suction chamber of the coolant pump.
- the shaft bearing according to the invention with shaft seal, the "compact bearing” according to the invention also preassembled according to the predetermined pressure ranges and speeds with the corresponding bearings, and thus enables an optimal design for the particular application with minimized manufacturing and assembly costs.
- seal housing pot 17 which then together with the complete Spezialradialwellendichtung 7 water side (ie pump pressure side) is press-fitted into the outer race 1 to be sealed up to the leakage openings 13 and thereby seals the leakage chamber 12 (pump) pressure side.
- the seal housing pot 17 is press-fitted into the press body 10, forms with its annular disk-shaped bottom part at the same time the rear wall. 8
- a feature of the invention is also that the secondary sealing lips 18 of the secondary lip seal 9, as well as the primary sealing lips 19 of the primary lip seal 1 1 bear directly against the shaft 2.
- the "gaps" between them in the delivery condition can be advantageously already provided with a grease, on the one hand improves the sealing and running properties and at the same time Minimized wear.
- Another feature of the invention is that the secondary sealing lips 18 of the secondary lip seal 9 as well as the primary sealing lips 19 of the primary lip seal 1 1 abut a barrel sleeve 20, which is press-fit water side / d back "pushed" on the shaft 2 to be sealed.
- a liquid seal 21 is arranged on the outer casing of the outer race 1 in the region of the special radial shaft seal 7, which ensures a reliable seal with respect to the pump housing.
- Another feature of the invention is that in the final assembly state, the leakage openings 13 in the bearing housing an annular groove opposite, in which at least one leakage / steam outlet hole opens. This ensures a reliable discharge of even the slightest leaks, so that even after extremely long periods under most extreme conditions of use no water or water vapor in the
- shaft bearing according to the invention with shaft seal also leads to both in the production as well as in the assembly to essential
- Another significant advantage of the arrangement according to the invention over a separate seal seat in the housing is that the center line of the bore, the receiving seat of the radial seal, and the shaft center axis are identical, so that by the inventive solution a center offset or possibly skew of the individual with each other Active compound passing components is avoided.
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Structures Of Non-Positive Displacement Pumps (AREA)
- Rolling Contact Bearings (AREA)
- Sealing Of Bearings (AREA)
- Sealing With Elastic Sealing Lips (AREA)
Abstract
Description
Claims
Priority Applications (6)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2016505703A JP2016515686A (ja) | 2013-04-03 | 2014-03-12 | 軸シールを有する軸受装置 |
EP14723315.9A EP2981745A2 (de) | 2013-04-03 | 2014-03-12 | Wellenlagerung mit wellendichtung |
KR1020157029543A KR20150136494A (ko) | 2013-04-03 | 2014-03-12 | 샤프트 시일을 구비한 샤프트 베어링 |
BR112015020424A BR112015020424A2 (pt) | 2013-04-03 | 2014-03-12 | apoio do eixo com uma vedação do eixo |
CN201480018430.4A CN105209805A (zh) | 2013-04-03 | 2014-03-12 | 具有轴密封件的轴支承装置 |
US14/768,470 US9360051B2 (en) | 2013-04-03 | 2014-03-12 | Shaft bearing with a shaft seal |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE102013005677.2A DE102013005677B3 (de) | 2013-04-03 | 2013-04-03 | Wellenlagerung mit Wellendichtung, insbesondere für Wasserpumpen in Kraftfahrzeugen |
DE102013005677.2 | 2013-04-03 |
Publications (3)
Publication Number | Publication Date |
---|---|
WO2014161522A2 true WO2014161522A2 (de) | 2014-10-09 |
WO2014161522A3 WO2014161522A3 (de) | 2014-11-27 |
WO2014161522A4 WO2014161522A4 (de) | 2015-01-15 |
Family
ID=50693409
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/DE2014/000134 WO2014161522A2 (de) | 2013-04-03 | 2014-03-12 | Wellenlagerung mit wellendichtung |
Country Status (8)
Country | Link |
---|---|
US (1) | US9360051B2 (de) |
EP (1) | EP2981745A2 (de) |
JP (1) | JP2016515686A (de) |
KR (1) | KR20150136494A (de) |
CN (1) | CN105209805A (de) |
BR (1) | BR112015020424A2 (de) |
DE (1) | DE102013005677B3 (de) |
WO (1) | WO2014161522A2 (de) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US9360051B2 (en) | 2013-04-03 | 2016-06-07 | Nidec Gpm Gmbh | Shaft bearing with a shaft seal |
Families Citing this family (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP6435969B2 (ja) * | 2015-03-31 | 2018-12-12 | 株式会社デンソー | Egr装置 |
US20160076590A1 (en) * | 2015-11-24 | 2016-03-17 | Schaeffler Technologies AG & Co. KG | Ball bearing with slanted or angled flat raceways |
CN106224375A (zh) * | 2016-08-31 | 2016-12-14 | 陕西天翌天线有限公司 | 一种回转支撑机构 |
CN206668761U (zh) * | 2017-04-17 | 2017-11-24 | 宁波市镇海银球轴承有限公司 | 一种带转子的深沟球轴承 |
KR102487194B1 (ko) * | 2017-12-08 | 2023-01-10 | 현대자동차 주식회사 | 구동모터용 베어링 |
US11353035B2 (en) | 2019-05-15 | 2022-06-07 | Guangdong Welling Motor Manufacturing Co., Ltd. | Bearing assembly, rotor assembly and draught fan |
CN111946657A (zh) * | 2019-05-15 | 2020-11-17 | 广东威灵电机制造有限公司 | 轴承组件、转子组件和风机 |
DE102019126968B3 (de) * | 2019-10-08 | 2020-12-17 | Nidec Gpm Gmbh | Dampfleckagen-Kompaktlager |
CN111895092B (zh) * | 2020-07-01 | 2022-05-17 | 湖南双龙科技发展有限公司 | 一种压缩机的轴密封装置 |
DE102022201108A1 (de) * | 2022-02-02 | 2023-08-03 | Mahle International Gmbh | Fördereinrichtung zum Fördern einer Flüssigkeit |
CN118090071B (zh) * | 2024-04-26 | 2024-07-16 | 四川鑫跃鑫科学仪器有限公司 | 压力管道泄漏试验装置 |
Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE2238309A1 (de) | 1971-08-05 | 1973-02-15 | Ransome Hoffmann Pollard | Wellenlagerung und wellendichtung in integralbauweise, insbesondere fuer wasserpumpen bei kraftfahrzeugen |
DE3324468A1 (de) | 1983-07-07 | 1985-01-17 | Krull, Gerhard, 4803 Steinhagen | Abgedichtetes waelzlager, insbesondere fuer wasserpumpen in kraftfahrzeugen |
DE19508404A1 (de) | 1995-03-09 | 1996-09-12 | Skf Gmbh | Lageranordnung |
DE4436879B4 (de) | 1994-03-19 | 2007-10-18 | Kaco Gmbh + Co | Dichtungseinheit |
DE60130871T2 (de) | 2000-12-28 | 2008-07-24 | Jtekt Corp. | Dichtungseinrichtung für ein wasserpumpenlager |
Family Cites Families (19)
Publication number | Priority date | Publication date | Assignee | Title |
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US3511512A (en) * | 1968-01-05 | 1970-05-12 | Crane Packing Co | Lip seal for light lubricants |
US3511513A (en) | 1968-01-12 | 1970-05-12 | Intern Packings Corp | Combination axial-mechanical face and radial lip seal |
US3932006A (en) * | 1974-05-22 | 1976-01-13 | Tertinek Christian T | Paddle shaft seal assembly |
JPS6043897B2 (ja) | 1978-09-07 | 1985-10-01 | 日本特殊陶業株式会社 | 点火プラグ電極用ニツケル合金 |
JPS5856193U (ja) * | 1981-10-14 | 1983-04-16 | 株式会社久保田鐵工所 | 軸受装置 |
EP0194397A1 (de) * | 1985-03-11 | 1986-09-17 | Ditta IMITOOLS | Lager mit integrierter Abdichtvorrichtung für Wasserpumpen von Motoren |
JPS6291698A (ja) * | 1985-10-15 | 1987-04-27 | Koyo Seiko Co Ltd | ポンプ軸組立体 |
GB8528261D0 (en) * | 1985-11-15 | 1985-12-18 | Burgess Eng Ltd G N | Sealing device |
US4992023A (en) * | 1990-07-05 | 1991-02-12 | General Motors Corporation | Vehicle water pump with improved slinger |
EP0547652A1 (de) * | 1991-12-11 | 1993-06-23 | SKF Industrial Trading & Development Co, B.V. | Wasserpumpe |
US5704719A (en) * | 1996-07-01 | 1998-01-06 | Emerson Power Transmission Corp. | Street sweeper bearing with wear resistant resiliently biased face seal |
JP3869118B2 (ja) * | 1998-05-18 | 2007-01-17 | 株式会社ジェイテクト | ウォーターポンプ軸受 |
US7066467B2 (en) * | 2000-12-28 | 2006-06-27 | Koyo Seiko Co., Ltd. | Sealing device for water pump bearings |
DE10224891A1 (de) | 2002-06-04 | 2003-12-18 | Bosch Gmbh Robert | Legierung auf Nickelbasis |
US7501230B2 (en) * | 2002-11-04 | 2009-03-10 | Meagley Robert P | Photoactive adhesion promoter |
US20050146096A1 (en) * | 2004-01-02 | 2005-07-07 | Swisher James A. | Trunnion assembly |
DE102006023374A1 (de) | 2006-05-16 | 2007-11-22 | Beru Ag | Legierung auf der Basis von Nickel und deren Verwendung für Zündkerzenelektroden |
DE102006035111B4 (de) | 2006-07-29 | 2010-01-14 | Thyssenkrupp Vdm Gmbh | Nickelbasislegierung |
DE102013005677B3 (de) | 2013-04-03 | 2014-07-17 | Geräte- und Pumpenbau GmbH Dr. Eugen Schmidt | Wellenlagerung mit Wellendichtung, insbesondere für Wasserpumpen in Kraftfahrzeugen |
-
2013
- 2013-04-03 DE DE102013005677.2A patent/DE102013005677B3/de not_active Expired - Fee Related
-
2014
- 2014-03-12 US US14/768,470 patent/US9360051B2/en not_active Expired - Fee Related
- 2014-03-12 WO PCT/DE2014/000134 patent/WO2014161522A2/de active Application Filing
- 2014-03-12 JP JP2016505703A patent/JP2016515686A/ja active Pending
- 2014-03-12 BR BR112015020424A patent/BR112015020424A2/pt not_active IP Right Cessation
- 2014-03-12 CN CN201480018430.4A patent/CN105209805A/zh active Pending
- 2014-03-12 EP EP14723315.9A patent/EP2981745A2/de not_active Withdrawn
- 2014-03-12 KR KR1020157029543A patent/KR20150136494A/ko not_active Application Discontinuation
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE2238309A1 (de) | 1971-08-05 | 1973-02-15 | Ransome Hoffmann Pollard | Wellenlagerung und wellendichtung in integralbauweise, insbesondere fuer wasserpumpen bei kraftfahrzeugen |
DE3324468A1 (de) | 1983-07-07 | 1985-01-17 | Krull, Gerhard, 4803 Steinhagen | Abgedichtetes waelzlager, insbesondere fuer wasserpumpen in kraftfahrzeugen |
DE4436879B4 (de) | 1994-03-19 | 2007-10-18 | Kaco Gmbh + Co | Dichtungseinheit |
DE19508404A1 (de) | 1995-03-09 | 1996-09-12 | Skf Gmbh | Lageranordnung |
DE60130871T2 (de) | 2000-12-28 | 2008-07-24 | Jtekt Corp. | Dichtungseinrichtung für ein wasserpumpenlager |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US9360051B2 (en) | 2013-04-03 | 2016-06-07 | Nidec Gpm Gmbh | Shaft bearing with a shaft seal |
Also Published As
Publication number | Publication date |
---|---|
DE102013005677B3 (de) | 2014-07-17 |
JP2016515686A (ja) | 2016-05-30 |
WO2014161522A4 (de) | 2015-01-15 |
US20160003301A1 (en) | 2016-01-07 |
US9360051B2 (en) | 2016-06-07 |
BR112015020424A2 (pt) | 2017-07-18 |
EP2981745A2 (de) | 2016-02-10 |
CN105209805A (zh) | 2015-12-30 |
WO2014161522A3 (de) | 2014-11-27 |
KR20150136494A (ko) | 2015-12-07 |
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