DE3781482D1 - Vakuumerzeugungssystem. - Google Patents
Vakuumerzeugungssystem.Info
- Publication number
- DE3781482D1 DE3781482D1 DE8787108141T DE3781482T DE3781482D1 DE 3781482 D1 DE3781482 D1 DE 3781482D1 DE 8787108141 T DE8787108141 T DE 8787108141T DE 3781482 T DE3781482 T DE 3781482T DE 3781482 D1 DE3781482 D1 DE 3781482D1
- Authority
- DE
- Germany
- Prior art keywords
- generation system
- vacuum generation
- vacuum
- generation
- 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 - Lifetime
Links
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
- F04C23/00—Combinations of two or more pumps, each being of rotary-piston or oscillating-piston type, specially adapted for elastic fluids; Pumping installations specially adapted for elastic fluids; Multi-stage pumps specially adapted for elastic fluids
- F04C23/005—Combinations of two or more pumps, each being of rotary-piston or oscillating-piston type, specially adapted for elastic fluids; Pumping installations specially adapted for elastic fluids; Multi-stage pumps specially adapted for elastic fluids of dissimilar working principle
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D17/00—Radial-flow pumps, e.g. centrifugal pumps; Helico-centrifugal pumps
- F04D17/08—Centrifugal pumps
- F04D17/16—Centrifugal pumps for displacing without appreciable compression
- F04D17/168—Pumps specially adapted to produce a vacuum
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Applications Or Details Of Rotary Compressors (AREA)
- Non-Positive Displacement Air Blowers (AREA)
- Compressors, Vaccum Pumps And Other Relevant Systems (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP61134837A JPH0784871B2 (ja) | 1986-06-12 | 1986-06-12 | 真空排気装置 |
Publications (2)
Publication Number | Publication Date |
---|---|
DE3781482D1 true DE3781482D1 (de) | 1992-10-08 |
DE3781482T2 DE3781482T2 (de) | 1993-01-07 |
Family
ID=15137622
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE8787108141T Expired - Lifetime DE3781482T2 (de) | 1986-06-12 | 1987-06-04 | Vakuumerzeugungssystem. |
Country Status (4)
Country | Link |
---|---|
US (1) | US4797068A (de) |
EP (1) | EP0256234B1 (de) |
JP (1) | JPH0784871B2 (de) |
DE (1) | DE3781482T2 (de) |
Families Citing this family (48)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS6429690A (en) * | 1987-07-22 | 1989-01-31 | Hitachi Ltd | Shaft sealing device for screw vacuum pump |
FR2621141B1 (fr) * | 1987-09-25 | 1989-12-01 | Cit Alcatel | Procede de demarrage de pompes a vide couplees en serie, et dispositif permettant la mise en oeuvre de ce procede |
GB8808608D0 (en) * | 1988-04-12 | 1988-05-11 | Boc Group Plc | Dry pump with booster |
JPH01277698A (ja) * | 1988-04-30 | 1989-11-08 | Nippon Ferrofluidics Kk | 複合型真空ポンプ |
JPH02102385A (ja) * | 1988-10-08 | 1990-04-13 | Toyo Eng Corp | 排気装置 |
FR2647853A1 (fr) * | 1989-06-05 | 1990-12-07 | Cit Alcatel | Pompe primaire seche a deux etages |
FR2656658B1 (fr) * | 1989-12-28 | 1993-01-29 | Cit Alcatel | Pompe a vide turbomoleculaire mixte, a deux arbres de rotation et a refoulement a la pression atmospherique. |
US5238362A (en) * | 1990-03-09 | 1993-08-24 | Varian Associates, Inc. | Turbomolecular pump |
US5165861A (en) * | 1990-05-16 | 1992-11-24 | Microwave Plasma Products Inc. | Magnetohydrodynamic vacuum pump |
DE69132867T2 (de) * | 1990-08-01 | 2002-09-12 | Matsushita Electric Ind Co Ltd | Drehkolbenanlage für flüssige Medien |
EP0691475B1 (de) * | 1990-08-01 | 2001-12-12 | Matsushita Electric Industrial Co., Ltd. | Drehkolbenanlage für flüssige Medien |
US5354179A (en) * | 1990-08-01 | 1994-10-11 | Matsushita Electric Industrial Co., Ltd. | Fluid rotating apparatus |
JPH055492A (ja) * | 1991-06-28 | 1993-01-14 | Matsushita Electric Ind Co Ltd | 流体回転装置 |
JP3074829B2 (ja) * | 1991-09-05 | 2000-08-07 | 松下電器産業株式会社 | 流体回転装置 |
JP3074845B2 (ja) * | 1991-10-08 | 2000-08-07 | 松下電器産業株式会社 | 流体回転装置 |
JPH05195957A (ja) * | 1992-01-23 | 1993-08-06 | Matsushita Electric Ind Co Ltd | 真空ポンプ |
JPH05202855A (ja) * | 1992-01-29 | 1993-08-10 | Matsushita Electric Ind Co Ltd | 流体回転装置 |
JPH05272478A (ja) * | 1992-01-31 | 1993-10-19 | Matsushita Electric Ind Co Ltd | 真空ポンプ |
JPH05209589A (ja) * | 1992-01-31 | 1993-08-20 | Matsushita Electric Ind Co Ltd | 流体回転装置 |
US5261793A (en) * | 1992-08-05 | 1993-11-16 | The United States Of America As Represented By The Secretary Of The Department Of Health And Human Services | Miniature mechanical vacuum pump |
US5374173A (en) * | 1992-09-04 | 1994-12-20 | Matsushita Electric Industrial Co., Ltd. | Fluid rotating apparatus with sealing arrangement |
US5509790A (en) * | 1994-01-14 | 1996-04-23 | Engineering & Sales Associates, Inc. | Refrigerant compressor and motor |
JP3847357B2 (ja) * | 1994-06-28 | 2006-11-22 | 株式会社荏原製作所 | 真空系の排気装置 |
IL117775A (en) * | 1995-04-25 | 1998-10-30 | Ebara Germany Gmbh | Inhalation system with gas exhaust cleaner and operating process for it |
DE19602450C1 (de) * | 1996-01-24 | 1997-02-13 | Linde Ag | Vakuumdruckwechseladsorptionsverfahren und -vorrichtung |
IT1297347B1 (it) | 1997-12-24 | 1999-09-01 | Varian Spa | Pompa da vuoto. |
JP3010529B1 (ja) * | 1998-08-28 | 2000-02-21 | セイコー精機株式会社 | 真空ポンプ、及び真空装置 |
US6244844B1 (en) * | 1999-03-31 | 2001-06-12 | Emerson Electric Co. | Fluid displacement apparatus with improved helical rotor structure |
JP2001207984A (ja) * | 1999-11-17 | 2001-08-03 | Teijin Seiki Co Ltd | 真空排気装置 |
EP1234982B1 (de) | 2001-02-22 | 2003-12-03 | VARIAN S.p.A. | Vakuumpumpe |
US7231643B1 (en) | 2002-02-22 | 2007-06-12 | Lexar Media, Inc. | Image rescue system including direct communication between an application program and a device driver |
US6672828B2 (en) | 2002-06-03 | 2004-01-06 | Varian S.P.A. | Vacuum pump |
JP2004263635A (ja) * | 2003-03-03 | 2004-09-24 | Tadahiro Omi | 真空装置および真空ポンプ |
GB0322883D0 (en) * | 2003-09-30 | 2003-10-29 | Boc Group Plc | Vacuum pump |
TW200525086A (en) * | 2003-10-21 | 2005-08-01 | Nabtesco Corp | Rotary dry vacuum pump |
US7021888B2 (en) * | 2003-12-16 | 2006-04-04 | Universities Research Association, Inc. | Ultra-high speed vacuum pump system with first stage turbofan and second stage turbomolecular pump |
JP2005264735A (ja) * | 2004-03-16 | 2005-09-29 | Yamaha Marine Co Ltd | 過給機付きエンジン |
JP2006002633A (ja) | 2004-06-16 | 2006-01-05 | Yamaha Marine Co Ltd | 水ジェット推進艇 |
JP2006037730A (ja) | 2004-07-22 | 2006-02-09 | Yamaha Marine Co Ltd | 過給式エンジンの吸気装置 |
JP2006077699A (ja) * | 2004-09-10 | 2006-03-23 | Yamaha Marine Co Ltd | 過給装置の潤滑構造 |
JP2006083713A (ja) * | 2004-09-14 | 2006-03-30 | Yamaha Marine Co Ltd | 過給装置の潤滑構造 |
JP2007062432A (ja) | 2005-08-29 | 2007-03-15 | Yamaha Marine Co Ltd | 小型滑走艇 |
JP4614853B2 (ja) * | 2005-09-26 | 2011-01-19 | ヤマハ発動機株式会社 | 過給機の取付構造 |
US20100253005A1 (en) * | 2009-04-03 | 2010-10-07 | Liarakos Nicholas P | Seal for oil-free rotary displacement compressor |
US8764424B2 (en) | 2010-05-17 | 2014-07-01 | Tuthill Corporation | Screw pump with field refurbishment provisions |
US10375901B2 (en) | 2014-12-09 | 2019-08-13 | Mtd Products Inc | Blower/vacuum |
JP6616611B2 (ja) * | 2015-07-23 | 2019-12-04 | エドワーズ株式会社 | 排気システム |
CN110886702A (zh) * | 2019-12-03 | 2020-03-17 | 三联泵业股份有限公司 | 一种可方便运输的挖泥泵 |
Family Cites Families (16)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3104802A (en) * | 1963-09-24 | Unified system vacuum pump | ||
US1927799A (en) * | 1932-03-07 | 1933-09-19 | Goulds Pumps | Rotary pump |
DE955352C (de) * | 1954-06-16 | 1957-01-03 | Leybold S Nachfolger E | Pumpstand fuer Hochvakuumanlagen |
US2926835A (en) * | 1955-02-24 | 1960-03-01 | Heraeus Gmbh W C | Vacuum pump control apparatus |
US3066849A (en) * | 1960-08-18 | 1962-12-04 | Exemplar Inc | High vacuum pump systems |
US3112869A (en) * | 1960-10-17 | 1963-12-03 | Willis A Aschoff | High vacuum pump |
DE1428156A1 (de) * | 1964-11-14 | 1969-01-30 | Klein Schanzlin & Becker Ag | Drehkolbenverdichter und Grobvakuumpumpe |
GB1248031A (en) * | 1967-09-21 | 1971-09-29 | Edwards High Vacuum Int Ltd | Two-stage rotary vacuum pumps |
FR2244370A5 (de) * | 1973-09-14 | 1975-04-11 | Cit Alcatel | |
JPS5267810A (en) * | 1975-12-03 | 1977-06-04 | Aisin Seiki Co Ltd | High vacuum pump |
EP0129709A3 (de) * | 1983-04-26 | 1985-03-06 | Anelva Corporation | Kombinierte, leicht zu reinigende Molekularpumpe |
JPS60139098U (ja) * | 1984-02-24 | 1985-09-13 | セイコ−精機株式会社 | 組合せ型軸流分子ポンプ |
JPH079239B2 (ja) * | 1984-04-11 | 1995-02-01 | 株式会社日立製作所 | スクリュー真空ポンプ |
US4714418A (en) * | 1984-04-11 | 1987-12-22 | Hitachi, Ltd. | Screw type vacuum pump |
JPS60247075A (ja) * | 1984-05-21 | 1985-12-06 | Hitachi Ltd | 真空ポンプ装置 |
JPS6179450U (de) * | 1984-10-31 | 1986-05-27 |
-
1986
- 1986-06-12 JP JP61134837A patent/JPH0784871B2/ja not_active Expired - Lifetime
-
1987
- 1987-06-04 DE DE8787108141T patent/DE3781482T2/de not_active Expired - Lifetime
- 1987-06-04 EP EP87108141A patent/EP0256234B1/de not_active Expired
- 1987-06-05 US US07/058,821 patent/US4797068A/en not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
EP0256234A3 (en) | 1989-11-23 |
DE3781482T2 (de) | 1993-01-07 |
JPH0784871B2 (ja) | 1995-09-13 |
EP0256234B1 (de) | 1992-09-02 |
US4797068A (en) | 1989-01-10 |
EP0256234A2 (de) | 1988-02-24 |
JPS62291479A (ja) | 1987-12-18 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
8364 | No opposition during term of opposition |