KR910003262A - 반경부하 감소장치, 및 이 장치를 사용한 슬라이딩 베어링 및 스크루 컴프레서 - Google Patents
반경부하 감소장치, 및 이 장치를 사용한 슬라이딩 베어링 및 스크루 컴프레서 Download PDFInfo
- Publication number
- KR910003262A KR910003262A KR1019900002776A KR900002776A KR910003262A KR 910003262 A KR910003262 A KR 910003262A KR 1019900002776 A KR1019900002776 A KR 1019900002776A KR 900002776 A KR900002776 A KR 900002776A KR 910003262 A KR910003262 A KR 910003262A
- Authority
- KR
- South Korea
- Prior art keywords
- radial load
- load reduction
- sliding bearings
- reduction devices
- screw compressors
- Prior art date
Links
- 239000012530 fluid Substances 0.000 claims 2
- 230000002093 peripheral effect Effects 0.000 claims 1
Classifications
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- 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
- 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
- F16C32/00—Bearings not otherwise provided for
- F16C32/06—Bearings not otherwise provided for with moving member supported by a fluid cushion formed, at least to a large extent, otherwise than by movement of the shaft, e.g. hydrostatic air-cushion bearings
- F16C32/0629—Bearings not otherwise provided for with moving member supported by a fluid cushion formed, at least to a large extent, otherwise than by movement of the shaft, e.g. hydrostatic air-cushion bearings supported by a liquid cushion, e.g. oil cushion
- F16C32/064—Bearings not otherwise provided for with moving member supported by a fluid cushion formed, at least to a large extent, otherwise than by movement of the shaft, e.g. hydrostatic air-cushion bearings supported by a liquid cushion, e.g. oil cushion the liquid being supplied under pressure
- F16C32/0651—Details of the bearing area per se
- F16C32/0659—Details of the bearing area per se of pockets or grooves
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01C—ROTARY-PISTON OR OSCILLATING-PISTON MACHINES OR ENGINES
- F01C21/00—Component parts, details or accessories not provided for in groups F01C1/00 - F01C20/00
- F01C21/02—Arrangements of bearings
-
- 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
- F04C29/0021—Systems for the equilibration of forces acting on the pump
-
- 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
- F16C39/04—Relieving load on bearings using hydraulic or pneumatic 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
- F16C2360/43—Screw compressors
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Applications Or Details Of Rotary Compressors (AREA)
- Sliding-Contact Bearings (AREA)
Abstract
내용 없음.
Description
본 내용은 요부공개 건이므로 전문내용을 수록하지 않았음
제1도는 제1발명에 따른 장치의 단면도.
제2도는 제2발명에 따른 슬라이딩 베어링의 입면도.
제3도는 제2도의 III-III선을 따라 취한 단면도.
Claims (3)
- 회전축에 적용될 반경 부하가 향하는 제1위치에서 상기 회전축과 함께 일체로 회전하는 회전몸체의 외주부분 또는 상기 회전축의 외주 부분과 면하도록 한정된 고압유체챔버와, 상기 제1위치에 대향하는 제2위치에서 상기 외주부분과 면하도록 한정된 저압유체챔버, 로 구성된 것을 특징으로 하는 반경부하 감소장치.
- 제1항에 있어서, 슬라이딩 베어링은 상기 장치를 사용되는 것을 특징으로 하는 반경부하 감소장치.
- 제1항에 있어서, 스크루 콤프레서는 상기 장치를 사용하는 것을 특징으로 하는 반경부하 감소장치.※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP1197492A JPH0361714A (ja) | 1989-07-28 | 1989-07-28 | 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 |
JP1-197492 | 1989-07-28 |
Publications (2)
Publication Number | Publication Date |
---|---|
KR910003262A true KR910003262A (ko) | 1991-02-27 |
KR940001627B1 KR940001627B1 (ko) | 1994-02-28 |
Family
ID=16375371
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
KR1019900002776A KR940001627B1 (ko) | 1989-07-28 | 1990-03-03 | 반경부하 감소장치, 및 이 장치를 사용한 슬라이딩 베어링 및 스크루 컴프레서 |
Country Status (5)
Country | Link |
---|---|
US (1) | US4989997A (ko) |
EP (1) | EP0410074B1 (ko) |
JP (1) | JPH0361714A (ko) |
KR (1) | KR940001627B1 (ko) |
DE (1) | DE69005217T2 (ko) |
Families Citing this family (12)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5503478A (en) * | 1995-04-03 | 1996-04-02 | Federal-Mogul Corporation | Lubricant distribution system for bearings and bushings |
US6000920A (en) * | 1997-08-08 | 1999-12-14 | Kabushiki Kaisha Kobe Seiko Sho | Oil-flooded screw compressor with screw rotors having contact profiles in the shape of roulettes |
US6241392B1 (en) * | 2000-01-21 | 2001-06-05 | Coltec Industries Inc | Hybrid bearing |
US6579076B2 (en) * | 2001-01-23 | 2003-06-17 | Bristol Compressors, Inc. | Shaft load balancing system |
BE1014043A3 (nl) | 2001-03-07 | 2003-03-04 | Atlas Copco Airpower Nv | Watergeinjecteerd schroefcompressorelement. |
US7559696B2 (en) * | 2004-08-30 | 2009-07-14 | Hamilton Sundstrand Corporation | Active thrust management system |
JP4387402B2 (ja) * | 2006-12-22 | 2009-12-16 | 株式会社神戸製鋼所 | 軸受及び液冷式スクリュ圧縮機 |
ITTO20110912A1 (it) * | 2011-10-13 | 2013-04-14 | Vhit Spa | Pompa per vuoto rotativa |
US9284976B2 (en) | 2013-03-09 | 2016-03-15 | Waukesha Bearings Corporation | Countershaft |
US9279446B2 (en) * | 2013-03-09 | 2016-03-08 | Waukesha Bearings Corporation | Bearing with axial variation |
JP6209477B2 (ja) * | 2014-03-28 | 2017-10-04 | 株式会社神戸製鋼所 | 圧縮機 |
JP6790574B2 (ja) * | 2016-08-12 | 2020-11-25 | 株式会社ジェイテクト | 主軸装置と、該主軸装置を備えた研削盤 |
Family Cites Families (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE1575533A1 (de) * | 1966-07-19 | 1971-06-09 | Lucas Industries Ltd | Lager |
US3909081A (en) * | 1974-03-26 | 1975-09-30 | Mechanical Tech Inc | Load balancing system for rotating shafts |
SE422348B (sv) * | 1977-10-24 | 1982-03-01 | Stal Refrigeration Ab | Anordning vid en kompressor av rotationstyp for att fixera en rotoraxel i axiell led |
CA1096431A (en) * | 1978-07-03 | 1981-02-24 | Kunio Shibata | Fluid bearing |
US4310203A (en) * | 1978-10-25 | 1982-01-12 | Karl Eickmann | Hydrostatic support assembly |
EP0112011B1 (en) * | 1982-11-10 | 1987-09-16 | LUCAS INDUSTRIES public limited company | Bearings for gear pumps |
JP2616922B2 (ja) * | 1987-05-22 | 1997-06-04 | 株式会社日立製作所 | スクリユー圧縮機 |
GB8723129D0 (en) * | 1987-10-02 | 1987-11-04 | Lucas Ind Plc | Bearings for gear pumps |
-
1989
- 1989-07-28 JP JP1197492A patent/JPH0361714A/ja active Pending
-
1990
- 1990-02-01 US US07/473,407 patent/US4989997A/en not_active Expired - Fee Related
- 1990-02-19 DE DE90103148T patent/DE69005217T2/de not_active Expired - Fee Related
- 1990-02-19 EP EP90103148A patent/EP0410074B1/en not_active Expired - Lifetime
- 1990-03-03 KR KR1019900002776A patent/KR940001627B1/ko not_active IP Right Cessation
Also Published As
Publication number | Publication date |
---|---|
EP0410074B1 (en) | 1993-12-15 |
KR940001627B1 (ko) | 1994-02-28 |
US4989997A (en) | 1991-02-05 |
EP0410074A3 (en) | 1991-10-09 |
DE69005217D1 (de) | 1994-01-27 |
JPH0361714A (ja) | 1991-03-18 |
EP0410074A2 (en) | 1991-01-30 |
DE69005217T2 (de) | 1994-04-28 |
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A201 | Request for examination | ||
E902 | Notification of reason for refusal | ||
G160 | Decision to publish patent application | ||
E701 | Decision to grant or registration of patent right | ||
GRNT | Written decision to grant | ||
LAPS | Lapse due to unpaid annual fee |