JP4510638B2 - 玉軸受およびこの形式の軸受が装備された真空ポンプ - Google Patents
玉軸受およびこの形式の軸受が装備された真空ポンプ Download PDFInfo
- Publication number
- JP4510638B2 JP4510638B2 JP2004556091A JP2004556091A JP4510638B2 JP 4510638 B2 JP4510638 B2 JP 4510638B2 JP 2004556091 A JP2004556091 A JP 2004556091A JP 2004556091 A JP2004556091 A JP 2004556091A JP 4510638 B2 JP4510638 B2 JP 4510638B2
- Authority
- JP
- Japan
- Prior art keywords
- bearing
- vacuum pump
- emergency
- friction
- friction vacuum
- 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.)
- Expired - Fee Related
Links
Images
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
- F04D29/00—Details, component parts, or accessories
- F04D29/05—Shafts or bearings, or assemblies thereof, specially adapted for elastic fluid pumps
- F04D29/056—Bearings
- F04D29/059—Roller bearings
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D19/00—Axial-flow pumps
- F04D19/02—Multi-stage pumps
- F04D19/04—Multi-stage pumps specially adapted to the production of a high vacuum, e.g. molecular pumps
-
- 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
- F16C19/52—Bearings with rolling contact, for exclusively rotary movement with devices affected by abnormal or undesired conditions
- F16C19/522—Bearings with rolling contact, for exclusively rotary movement with devices affected by abnormal or undesired conditions related to load on the bearing, e.g. bearings with load sensors or means to protect the bearing against overload
-
- 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
- F16C21/00—Combinations of sliding-contact bearings with ball or roller bearings, for exclusively rotary movement
-
- 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
- F16C33/767—Sealings of ball or roller bearings integral with the 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
- 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
- F16C33/7846—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 a gap between the annular disc and 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
- F16C39/00—Relieving load on bearings
- F16C39/02—Relieving load on bearings using mechanical means
-
- 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
- F16C2360/00—Engines or pumps
- F16C2360/44—Centrifugal pumps
- F16C2360/45—Turbo-molecular pumps
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Non-Positive Displacement Air Blowers (AREA)
- Rolling Contact Bearings (AREA)
Description
Claims (7)
- 摩擦真空ポンプであって、ステータ(26)とロータ(27)とが設けられており、該ロータ(27)が転がり軸受(35,36)に支えられている形式のものにおいて、前記転がり軸受(35,36)のうちの少なくとも1つの転がり軸受が、内輪と外輪とを備えた玉軸受(1)であって、当該軸受が、回転軸線(6)に対して同心の面(14,15)を有しており、該面(14,15)のうちの1つの面が、回転する軸受輪の構成部分であり、別の面が、定置の軸受輪の構成部分であり、前記面(14,15)同士が、正常運転中、比較的に狭いギャップ(24)を備えて互いに向かい合って位置しており、かつ前記面(14,15)が、機能故障の場合に、非常作動面の機能を有しており、該非常作動面の表面の材料が次のように、すなわち、回転するシステムの駆動部が、非常作動に際して生ぜしめられた摩擦をもはや克服し得ずかつ機能しなくなるように選択されており、前記両非常作動面(14,15)のうちの少なくとも一方の非常作動面が、両非常作動面(14,15)における材料対の摩擦を減じかつ焼付き傾向を減少させるために、コーティングされており、さらに摩擦真空ポンプに遮断ガス装置が装備されていることを特徴とする摩擦真空ポンプ。
- 同心の前記面(14,15)が軸方向に延びている、請求項1記載の摩擦真空ポンプ。
- 同心の前記面(14,15)が、横断面で見て段部の形状を有している、請求項1記載の摩擦真空ポンプ。
- 同心の前記面(14,15)が、当該軸受の軸線(6)に向かって傾けられて延びている、請求項1記載の摩擦真空ポンプ。
- 前記突出部(14,15)が、同時に軸受カバーの機能を有している、請求項1から4までのいずれか1項記載の摩擦真空ポンプ。
- 前記非常作動面間のギャップが、<0.1mmである、請求項1から5までのいずれか1項記載の摩擦真空ポンプ。
- 前記非常作動面(14,15)のための材料が、硬化させられた転がり軸受鋼である、請求項1から6までのいずれか1項記載の摩擦真空ポンプ。
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE10256086A DE10256086A1 (de) | 2002-11-29 | 2002-11-29 | Kugellager und mit einem Lager dieser Art ausgerüstete Vakuumpumpe |
PCT/EP2003/011770 WO2004051102A1 (de) | 2002-11-29 | 2003-10-24 | Kugellager und mit einem lager dieser art ausgerüstete vakuumpumpe |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2006508315A JP2006508315A (ja) | 2006-03-09 |
JP4510638B2 true JP4510638B2 (ja) | 2010-07-28 |
Family
ID=32318870
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2004556091A Expired - Fee Related JP4510638B2 (ja) | 2002-11-29 | 2003-10-24 | 玉軸受およびこの形式の軸受が装備された真空ポンプ |
Country Status (7)
Country | Link |
---|---|
US (2) | US20060088238A1 (ja) |
EP (1) | EP1565663B1 (ja) |
JP (1) | JP4510638B2 (ja) |
AU (1) | AU2003274068A1 (ja) |
CA (1) | CA2506494A1 (ja) |
DE (2) | DE10256086A1 (ja) |
WO (1) | WO2004051102A1 (ja) |
Families Citing this family (22)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US8044544B2 (en) * | 2005-09-15 | 2011-10-25 | Ntn Corporation | Rolling bearing, spindle support structure of main motor for railway vehicle, and bearing structure |
JP4613876B2 (ja) * | 2006-05-17 | 2011-01-19 | 株式会社ジェイテクト | 玉軸受 |
DE102006024350B3 (de) * | 2006-05-24 | 2007-11-22 | Ab Skf | Verfahren zum Schmieren und Kühlen einer Lageranordnung und Lageranordnung |
DE102006043327A1 (de) * | 2006-09-15 | 2008-03-27 | Oerlikon Leybold Vacuum Gmbh | Vakuumpumpe |
DE202006017846U1 (de) * | 2006-11-23 | 2008-03-27 | Oerlikon Leybold Vacuum Gmbh | Hochvakuumpumpe |
DE102007042372A1 (de) * | 2007-09-06 | 2009-04-02 | Schaeffler Kg | Lagerring |
DE102008036623A1 (de) * | 2008-08-06 | 2010-02-11 | Oerlikon Leybold Vacuum Gmbh | Verwendung eines Wälzlagers zur Lagerung rotierender Bauteile in Vakuumeinirchtungen sowie Vakuumeinrichtung |
US8845203B2 (en) * | 2008-11-06 | 2014-09-30 | Kyklos Bearing International, Inc. | Wheel bearing assembly |
US8632251B2 (en) * | 2010-06-24 | 2014-01-21 | Schaeffler Technologies AG & Co. KG | Bearing closure/shield for current passage in electric equipment |
CN103153237B (zh) | 2010-07-24 | 2016-01-20 | 捷迈有限公司 | 用于膝部假体的非对称胫骨部件 |
US8794847B2 (en) * | 2011-09-14 | 2014-08-05 | Aktiebolaget Skf | Bearing assembly with axial retainer |
US9394938B2 (en) | 2013-06-19 | 2016-07-19 | Applied Materials, Inc. | Internal chamber rotation motor, alternative rotation |
US9925052B2 (en) | 2013-08-30 | 2018-03-27 | Zimmer, Inc. | Method for optimizing implant designs |
CN105065466A (zh) * | 2015-07-17 | 2015-11-18 | 南通时瑞塑胶制品有限公司 | 大密水槽专用轴承 |
EP4014930A1 (en) | 2017-03-10 | 2022-06-22 | Zimmer, Inc. | Tibial prosthesis with tibial bearing component securing feature |
JP6898470B2 (ja) | 2017-05-12 | 2021-07-07 | ジンマー,インコーポレイティド | 拡大縮小能力を有する大腿骨プロテーゼ |
US11426282B2 (en) | 2017-11-16 | 2022-08-30 | Zimmer, Inc. | Implants for adding joint inclination to a knee arthroplasty |
GB2575473B (en) * | 2018-07-11 | 2021-07-28 | Edwards Ltd | Bearing cage |
GB2578431B (en) * | 2018-10-25 | 2021-09-22 | Edwards Ltd | Oil feed for a vacuum pump |
IT202000009136A1 (it) * | 2020-04-28 | 2021-10-28 | Skf Ab | Unita’ cuscinetto con sistema di tenuta ottimizzato |
IT202100017093A1 (it) * | 2021-06-30 | 2022-12-30 | Skf Ab | Unita’ cuscinetto con ancoraggio ottimizzato del dispositivo di tenuta |
FR3128977B1 (fr) * | 2021-11-09 | 2023-11-24 | Safran Aircraft Engines | Ensemble pour roulement |
Family Cites Families (26)
Publication number | Priority date | Publication date | Assignee | Title |
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US1371090A (en) * | 1920-07-07 | 1921-03-08 | Hess Henry | Annular ball-bearing |
US2352911A (en) * | 1942-07-17 | 1944-07-04 | Vinco Corp | Bearing |
DE1907632U (de) * | 1964-10-09 | 1964-12-31 | Dietmar Wagner | Gleit-waelzlager. |
FR1464899A (fr) | 1965-11-26 | 1967-01-06 | Csf | Dispositif de chiffrement pour système de commutation à deux voies |
FR1464889A (fr) * | 1965-11-26 | 1967-01-06 | Roulement | |
US3445146A (en) * | 1967-03-31 | 1969-05-20 | Us Army | Deflection limited bearing |
DE2428256A1 (de) | 1974-06-12 | 1976-01-02 | Morton Norwich Products Inc | Verfahren und vorrichtung zum herstellen einer bakteriziden loesung mit naszierendem chlor aus unterchloriger saeure |
AR207670A1 (es) * | 1975-01-06 | 1976-10-22 | Vector Bearing Corp | Dispositivo para facilitar la rotacion de un elemento giratorio con ayuda de una carga que soporta |
DE2707352A1 (de) * | 1977-02-19 | 1978-08-24 | Kugelfischer G Schaefer & Co | Waelzlager mit ueberlastungssicherung |
FR2476407A1 (fr) * | 1980-02-19 | 1981-08-21 | Europ Propulsion | Dispositif de centrage d'un rotor |
FR2521650A1 (fr) * | 1982-02-16 | 1983-08-19 | Cit Alcatel | Pompe rotative a vide eleve |
JPH0336735Y2 (ja) * | 1986-11-29 | 1991-08-05 | ||
JPS63126616U (ja) * | 1987-02-12 | 1988-08-18 | ||
EP0304397A1 (de) * | 1987-08-17 | 1989-02-22 | KERN & CO. AG | Präzisionslager |
US4788758A (en) * | 1987-09-24 | 1988-12-06 | Mpb Corporation | Method of making axially hardened bearings |
JPH0535213Y2 (ja) | 1988-03-31 | 1993-09-07 | ||
DE8905549U1 (de) * | 1989-05-03 | 1989-06-15 | SKF GmbH, 8720 Schweinfurt | Wälzlager, insbesondere Radial-Rollenlager |
GB2250549B (en) * | 1990-11-30 | 1995-01-11 | Ntn Toyo Bearing Co Ltd | Rolling bearing with solid lubricant |
EP0665545B1 (en) * | 1994-01-28 | 2001-10-17 | International Business Machines Corporation | Crash stop shock ring for the protection of disk drive motor bearings |
US5690395A (en) * | 1996-05-24 | 1997-11-25 | Hicks; Jimmy L. | Shopping cart wheel assembly with anti-friction bearing and friction bearing |
JP4099259B2 (ja) * | 1998-03-02 | 2008-06-11 | ミネベア株式会社 | 複合軸受け |
DE19846188A1 (de) * | 1998-10-07 | 2000-04-13 | Leybold Vakuum Gmbh | Reibungsvakuumpumpe mit Stator und Rotor |
DE19914282A1 (de) * | 1999-03-30 | 2000-10-05 | Leybold Vakuum Gmbh | Sperrgas-Ventileinrichtung |
JP2001027231A (ja) * | 1999-07-15 | 2001-01-30 | Minebea Co Ltd | フラットモータの軸受構造 |
JP4487415B2 (ja) * | 2000-07-10 | 2010-06-23 | 株式会社ジェイテクト | 車両用ハブユニット |
JP3563354B2 (ja) * | 2001-02-09 | 2004-09-08 | 株式会社椿本チエイン | ころ軸受を組み込んだローラチェーン |
-
2002
- 2002-11-29 DE DE10256086A patent/DE10256086A1/de not_active Ceased
-
2003
- 2003-10-24 DE DE50312630T patent/DE50312630D1/de not_active Expired - Lifetime
- 2003-10-24 US US10/536,473 patent/US20060088238A1/en not_active Abandoned
- 2003-10-24 JP JP2004556091A patent/JP4510638B2/ja not_active Expired - Fee Related
- 2003-10-24 AU AU2003274068A patent/AU2003274068A1/en not_active Abandoned
- 2003-10-24 CA CA002506494A patent/CA2506494A1/en not_active Abandoned
- 2003-10-24 WO PCT/EP2003/011770 patent/WO2004051102A1/de active Application Filing
- 2003-10-24 EP EP03758049A patent/EP1565663B1/de not_active Expired - Fee Related
-
2008
- 2008-08-18 US US12/228,903 patent/US20090028731A1/en not_active Abandoned
Also Published As
Publication number | Publication date |
---|---|
DE10256086A1 (de) | 2004-06-17 |
CA2506494A1 (en) | 2004-06-17 |
EP1565663A1 (de) | 2005-08-24 |
DE50312630D1 (de) | 2010-05-27 |
US20060088238A1 (en) | 2006-04-27 |
US20090028731A1 (en) | 2009-01-29 |
JP2006508315A (ja) | 2006-03-09 |
EP1565663B1 (de) | 2010-04-14 |
WO2004051102A1 (de) | 2004-06-17 |
AU2003274068A1 (en) | 2004-06-23 |
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