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
Application number
DE8787108141T
Other languages
English (en)
Other versions
DE3781482T2 (de
Inventor
Tadashi Hayakawa
Kazuaki Shiinoki
Sinji Mitsuhashi
Kotaro Naya
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Hitachi Ltd
Original Assignee
Hitachi Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Hitachi Ltd filed Critical Hitachi Ltd
Publication of DE3781482D1 publication Critical patent/DE3781482D1/de
Application granted granted Critical
Publication of DE3781482T2 publication Critical patent/DE3781482T2/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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)
DE8787108141T 1986-06-12 1987-06-04 Vakuumerzeugungssystem. Expired - Lifetime DE3781482T2 (de)

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)

* Cited by examiner, † Cited by third party
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
EP0691475B1 (de) * 1990-08-01 2001-12-12 Matsushita Electric Industrial Co., Ltd. Drehkolbenanlage für flüssige Medien
DE69123898T3 (de) * 1990-08-01 2004-08-05 Matsushita Electric Industrial Co., Ltd., Kadoma Drehanlage 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
CN1871436A (zh) * 2003-10-21 2006-11-29 纳博特斯克株式会社 旋转式干式真空泵
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)

* Cited by examiner, † Cited by third party
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
EP0166851B1 (de) * 1984-04-11 1989-09-20 Hitachi, Ltd. Vakuumpumpe der Schraubenbauart
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

Also Published As

Publication number Publication date
EP0256234A2 (de) 1988-02-24
JPH0784871B2 (ja) 1995-09-13
US4797068A (en) 1989-01-10
EP0256234B1 (de) 1992-09-02
EP0256234A3 (en) 1989-11-23
JPS62291479A (ja) 1987-12-18
DE3781482T2 (de) 1993-01-07

Similar Documents

Publication Publication Date Title
DE3781482T2 (de) Vakuumerzeugungssystem.
DE3750007D1 (de) Vakuum-Vorrichtungen.
DE3866215D1 (de) Vakuumtoilettensystem.
DE3871167D1 (de) Vakuumtoilettensystem.
FI872254A0 (fi) Positionskaennande system foer ett roerligt foeremaol.
NO164049C (no) Vakuumkloakkarrangement.
DE3771445D1 (de) Staubsauger.
DE3787875T2 (de) Thermophotovoltaisches system.
FI862627A0 (fi) System foer reglerande av en krans hastighet.
DE3751259D1 (de) Kurvenerzeugungsverfahren.
DE3853233T2 (de) Hitzebeständiges Vakuumsystem.
DE3781587T2 (de) Plasmaeinschlusssystem.
DE3781447D1 (de) Vakuumschalter.
DE3768593D1 (de) Hochvakuumpumpe.
DE3777804D1 (de) Aufwertbares leistungssystem.
NO874427L (no) Vakuumregulator.
DE69017284T2 (de) Vakuumsystem.
DE3787252T2 (de) Ortungssystem.
DE3783045D1 (de) Gettersystem.
NO880055D0 (no) Lokaliseringssystem.
FI881395A (fi) Saekerhetsanordning foer ett system i fjaerrkommunikationsvaexel.
ES2019627B3 (es) Aspiradora.
DE3782118D1 (de) Vakuumschalter.
NO875124L (no) Fanganordning.
NO870377D0 (no) Avsettingssystem.

Legal Events

Date Code Title Description
8364 No opposition during term of opposition