JP4387402B2 - 軸受及び液冷式スクリュ圧縮機 - Google Patents
軸受及び液冷式スクリュ圧縮機 Download PDFInfo
- Publication number
- JP4387402B2 JP4387402B2 JP2006345441A JP2006345441A JP4387402B2 JP 4387402 B2 JP4387402 B2 JP 4387402B2 JP 2006345441 A JP2006345441 A JP 2006345441A JP 2006345441 A JP2006345441 A JP 2006345441A JP 4387402 B2 JP4387402 B2 JP 4387402B2
- Authority
- JP
- Japan
- Prior art keywords
- bearing
- liquid
- groove
- pressure
- oil
- 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
- 239000007788 liquid Substances 0.000 claims description 33
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 3
- 230000007423 decrease Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 239000012530 fluid Substances 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000007704 transition Effects 0.000 description 2
- 239000002826 coolant Substances 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04C—ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT PUMPS
- F04C18/00—Rotary-piston pumps specially adapted for elastic fluids
- F04C18/08—Rotary-piston pumps specially adapted for elastic fluids of intermeshing-engagement type, i.e. with engagement of co-operating members similar to that of toothed gearing
- F04C18/12—Rotary-piston pumps specially adapted for elastic fluids of intermeshing-engagement type, i.e. with engagement of co-operating members similar to that of toothed gearing of other than internal-axis type
- F04C18/14—Rotary-piston pumps specially adapted for elastic fluids of intermeshing-engagement type, i.e. with engagement of co-operating members similar to that of toothed gearing of other than internal-axis type with toothed rotary pistons
- F04C18/16—Rotary-piston pumps specially adapted for elastic fluids of intermeshing-engagement type, i.e. with engagement of co-operating members similar to that of toothed gearing of other than internal-axis type with toothed rotary pistons with helical teeth, e.g. chevron-shaped, screw type
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04C—ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT PUMPS
- F04C29/00—Component parts, details or accessories of pumps or pumping installations, not provided for in groups F04C18/00 - F04C28/00
- F04C29/02—Lubrication; Lubricant separation
-
- 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
- F16C17/00—Sliding-contact bearings for exclusively rotary movement
- F16C17/02—Sliding-contact bearings for exclusively rotary movement for radial load only
-
- 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
- F16C17/00—Sliding-contact bearings for exclusively rotary movement
- F16C17/02—Sliding-contact bearings for exclusively rotary movement for radial load only
- F16C17/026—Sliding-contact bearings for exclusively rotary movement for radial load only with helical grooves in the bearing surface to generate hydrodynamic pressure, e.g. herringbone grooves
-
- 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
- F16C17/00—Sliding-contact bearings for exclusively rotary movement
- F16C17/10—Sliding-contact bearings for exclusively rotary movement for both radial and axial load
-
- 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
-
- 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
- F16C33/107—Grooves for generating pressure
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04C—ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT PUMPS
- F04C2240/00—Components
- F04C2240/50—Bearings
- F04C2240/52—Bearings for assemblies with supports on both sides
-
- 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
- F16C2360/43—Screw compressors
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- Chemical & Material Sciences (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Applications Or Details Of Rotary Compressors (AREA)
- Sliding-Contact Bearings (AREA)
Description
ロータ軸の径:70mm
軸受の内径:70.15mm
軸受の内径に対する長さの比:1
鉛直軸から回転方向の軸方向溝までの角度:25°
鉛直軸から反回転方向の軸方向溝までの角度:80°
周方向溝間の間隔:50mm
軸受端面から周方向溝縁までの距離:5mm
周方向溝:幅5mm、深さ5mm
軸方向溝:幅5mm、深さ5mm
ロータ軸の回転数:2231rpm
給水圧力:2kg/cm2
給水の粘度:1.02e−10kgs/mm2
3,4 スクリュロータ
5,6 ロータ軸
14 油分離器
15 油供給ライン
18 油ポンプ
21 軸受面
22 受圧面
23 溝
23a,23b 周方向溝
23c,23d 軸方向溝
24 油供給路
25 不連続部
A 受圧領域
Claims (6)
- 軸を支持する軸受面のうち、上から下に作用する軸荷重に対抗する受圧面の受圧領域の周囲のみに溝を設け、該溝に連通する液供給路を設けて、該液供給路を介して前記溝に液が供給されることを特徴とする軸受。
- 前記溝は2つの周方向溝と2つの軸方向溝からなることを特徴とする請求項1に記載の軸受。
- 前記2つの周方向溝と2つの軸方向溝は、前記受圧領域の周囲で閉じるように互いに連続していることを特徴とする請求項2に記載の軸受。
- 前記軸方向溝は中間で不連続になっていることを特徴とする請求項3に記載の軸受。
- 請求項1から4のいずれかに記載の軸受を互いに噛合する雌雄1対のスクリュロータの軸受とした圧縮機本体と、
前記圧縮機本体から吐出するガスから液を分離する液分離器とを備え、
前記液分離器で分離された液を前記軸受の液供給路に供給することを特徴とする液冷式スクリュ圧縮機。 - 前記液分離器で分離された液を前記軸受の液供給路に供給する液供給ラインに液ポンプを設けて液圧を上昇させることを特徴とする請求項5に記載の液冷式スクリュ圧縮機。
Priority Applications (5)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2006345441A JP4387402B2 (ja) | 2006-12-22 | 2006-12-22 | 軸受及び液冷式スクリュ圧縮機 |
US11/936,878 US8308464B2 (en) | 2006-12-22 | 2007-11-08 | Bearing and liquid cooling type screw compressor |
GB0722963A GB2445063B (en) | 2006-12-22 | 2007-11-22 | Bearing and liquid cooling type screw compressor |
DE102007055698A DE102007055698A1 (de) | 2006-12-22 | 2007-12-04 | Lager und ein durch eine Flüssigkeit gekühlter Schraubenverdichter |
CN2007101600883A CN101205947B (zh) | 2006-12-22 | 2007-12-24 | 轴承以及液冷式螺旋压缩机 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2006345441A JP4387402B2 (ja) | 2006-12-22 | 2006-12-22 | 軸受及び液冷式スクリュ圧縮機 |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2008157330A JP2008157330A (ja) | 2008-07-10 |
JP4387402B2 true JP4387402B2 (ja) | 2009-12-16 |
Family
ID=38925920
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2006345441A Expired - Fee Related JP4387402B2 (ja) | 2006-12-22 | 2006-12-22 | 軸受及び液冷式スクリュ圧縮機 |
Country Status (5)
Country | Link |
---|---|
US (1) | US8308464B2 (ja) |
JP (1) | JP4387402B2 (ja) |
CN (1) | CN101205947B (ja) |
DE (1) | DE102007055698A1 (ja) |
GB (1) | GB2445063B (ja) |
Families Citing this family (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP4319238B2 (ja) * | 2008-02-06 | 2009-08-26 | 株式会社神戸製鋼所 | 油冷式スクリュ圧縮機 |
ITTO20110912A1 (it) * | 2011-10-13 | 2013-04-14 | Vhit Spa | Pompa per vuoto rotativa |
JP6420946B2 (ja) * | 2013-07-12 | 2018-11-07 | 三菱重工業株式会社 | ティルティングパッド軸受装置 |
JP6375149B2 (ja) * | 2014-06-04 | 2018-08-15 | 川崎重工業株式会社 | 軸受の排油構造 |
JP6618757B2 (ja) * | 2015-10-15 | 2019-12-11 | 株式会社三共製作所 | 流体動圧軸受 |
CN108006065B (zh) * | 2017-12-12 | 2024-05-10 | 苏州艾柏特精密机械有限公司 | 水润滑轴承和具有水润滑轴承的压缩机 |
CN109519476B (zh) * | 2018-11-23 | 2020-11-13 | 中国航发北京航科发动机控制系统科技有限公司 | 一种滑动轴承 |
WO2020196599A1 (ja) * | 2019-03-26 | 2020-10-01 | Ntn株式会社 | 流体動圧軸受装置 |
US11493018B2 (en) * | 2020-01-03 | 2022-11-08 | Parker-Hannifin Corporation | Hydraulic motor with anti-cogging features |
Family Cites Families (29)
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US3388854A (en) | 1966-06-23 | 1968-06-18 | Atlas Copco Ab | Thrust balancing in rotary machines |
US3453031A (en) * | 1967-04-06 | 1969-07-01 | Morgan Construction Co | Bearing assembly |
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JPS4833041A (ja) | 1971-08-28 | 1973-05-07 | ||
US3887310A (en) * | 1973-07-02 | 1975-06-03 | Karol Gerber | Hydraulic pump/motor with hydrostatically balanced rotors |
DE2353445C3 (de) * | 1973-10-25 | 1981-02-19 | Robert Bosch Gmbh, 7000 Stuttgart | Zahnradpumpe oder -motor |
DE2966487D1 (en) * | 1978-05-17 | 1984-01-19 | Nat Res Dev | Hydrostatic bearing |
SU842263A1 (ru) | 1978-12-29 | 1981-06-30 | Николаевский Ордена Трудового Красногознамени Кораблестроительный Институтим.Адмирала C.O.Makapoba | Подшипниковый узел |
JPS57153986A (en) | 1981-03-19 | 1982-09-22 | Kobe Steel Ltd | Screw compressor |
JPS60245825A (ja) | 1984-05-22 | 1985-12-05 | Mitsubishi Heavy Ind Ltd | ジヤ−ナルすべり軸受 |
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EP0262189B1 (fr) * | 1986-04-01 | 1990-05-30 | Jean Malfit | Generateur-recepteur hydraulique a haute pression pour la transmission de puissance |
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JPH0819938B2 (ja) | 1987-03-25 | 1996-03-04 | 豊田工機株式会社 | 流体軸受装置 |
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JPH0361714A (ja) | 1989-07-28 | 1991-03-18 | Kobe Steel Ltd | ラジアル荷重軽減装置およびこれを用いた滑り軸受およびスクリュ圧縮機 |
JPH0464714A (ja) | 1990-07-04 | 1992-02-28 | Toshiba Corp | 高速回転用すべり軸受 |
JP3165504B2 (ja) | 1992-04-17 | 2001-05-14 | 三菱重工業株式会社 | 二重反転プロペラ機構の船尾管軸受構造 |
BR9307873A (pt) * | 1993-07-13 | 1996-03-05 | Thomassen Int Bv | Compressor de rosca giratoria |
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SE510066C2 (sv) * | 1997-08-25 | 1999-04-12 | Svenska Rotor Maskiner Ab | Oljefri skruvrotormaskin vilkens lager smörjes med en vattenhaltig vätska |
DE19744466C2 (de) * | 1997-10-08 | 1999-08-19 | Kt Kirsten Technologie Entwick | Schraubenverdichter |
JP2001140888A (ja) | 1999-11-11 | 2001-05-22 | Hitachi Ltd | 軸受装置及びそれを具備するターボチャージャ |
JP4134541B2 (ja) | 2000-09-25 | 2008-08-20 | 株式会社ジェイテクト | 流体軸受 |
JP3962664B2 (ja) | 2002-09-04 | 2007-08-22 | 三菱重工業株式会社 | 船尾管軸受及びその製造方法 |
-
2006
- 2006-12-22 JP JP2006345441A patent/JP4387402B2/ja not_active Expired - Fee Related
-
2007
- 2007-11-08 US US11/936,878 patent/US8308464B2/en active Active
- 2007-11-22 GB GB0722963A patent/GB2445063B/en not_active Expired - Fee Related
- 2007-12-04 DE DE102007055698A patent/DE102007055698A1/de not_active Ceased
- 2007-12-24 CN CN2007101600883A patent/CN101205947B/zh not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
US8308464B2 (en) | 2012-11-13 |
GB2445063A (en) | 2008-06-25 |
GB2445063B (en) | 2009-02-04 |
US20080152529A1 (en) | 2008-06-26 |
DE102007055698A1 (de) | 2008-07-31 |
JP2008157330A (ja) | 2008-07-10 |
CN101205947A (zh) | 2008-06-25 |
GB0722963D0 (en) | 2008-01-02 |
CN101205947B (zh) | 2010-06-09 |
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