DE3877980D1 - Mehrstufen-vakuumpumpe. - Google Patents

Mehrstufen-vakuumpumpe.

Info

Publication number
DE3877980D1
DE3877980D1 DE8888102688A DE3877980A DE3877980D1 DE 3877980 D1 DE3877980 D1 DE 3877980D1 DE 8888102688 A DE8888102688 A DE 8888102688A DE 3877980 A DE3877980 A DE 3877980A DE 3877980 D1 DE3877980 D1 DE 3877980D1
Authority
DE
Germany
Prior art keywords
cylinder
piston
outlet
gas
inlet
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
DE8888102688A
Other languages
German (de)
English (en)
Other versions
DE3877980T4 (de
DE3877980T2 (de
Inventor
Eckhard Bez
John L Farrant
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.)
Commonwealth Scientific and Industrial Research Organization CSIRO
Original Assignee
Commonwealth Scientific and Industrial Research Organization CSIRO
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 Commonwealth Scientific and Industrial Research Organization CSIRO filed Critical Commonwealth Scientific and Industrial Research Organization CSIRO
Application granted granted Critical
Publication of DE3877980D1 publication Critical patent/DE3877980D1/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
    • F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
    • F04B25/00—Multi-stage pumps
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
    • F04B37/00—Pumps having pertinent characteristics not provided for in, or of interest apart from, groups F04B25/00 - F04B35/00
    • F04B37/10—Pumps having pertinent characteristics not provided for in, or of interest apart from, groups F04B25/00 - F04B35/00 for special use
    • F04B37/14—Pumps having pertinent characteristics not provided for in, or of interest apart from, groups F04B25/00 - F04B35/00 for special use to obtain high vacuum
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S417/00—Pumps
    • Y10S417/01—Materials digest

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Compressors, Vaccum Pumps And Other Relevant Systems (AREA)
  • Applications Or Details Of Rotary Compressors (AREA)
  • Cylinder Crankcases Of Internal Combustion Engines (AREA)
  • Compressor (AREA)
DE8888102688A 1987-02-27 1988-02-24 Mehrstufen-vakuumpumpe. Expired - Lifetime DE3877980D1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US07/019,736 US4854825A (en) 1987-02-27 1987-02-27 Multi-stage vacuum pump

Publications (1)

Publication Number Publication Date
DE3877980D1 true DE3877980D1 (de) 1993-03-18

Family

ID=21794763

Family Applications (2)

Application Number Title Priority Date Filing Date
DE3877980T Expired - Lifetime DE3877980T4 (de) 1987-02-27 1988-02-24 Mehrstufen-Vakuumpumpe.
DE8888102688A Expired - Lifetime DE3877980D1 (de) 1987-02-27 1988-02-24 Mehrstufen-vakuumpumpe.

Family Applications Before (1)

Application Number Title Priority Date Filing Date
DE3877980T Expired - Lifetime DE3877980T4 (de) 1987-02-27 1988-02-24 Mehrstufen-Vakuumpumpe.

Country Status (7)

Country Link
US (1) US4854825A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
EP (1) EP0280264B1 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
JP (1) JPH01219366A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
AT (1) ATE85404T1 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
DE (2) DE3877980T4 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
ES (1) ES2038222T3 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
GR (1) GR3006996T3 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)

Families Citing this family (33)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB8729245D0 (en) * 1987-12-15 1988-01-27 Boc Group Plc Vacuum apparatus
US5482443A (en) * 1992-12-21 1996-01-09 Commonwealth Scientific And Industrial Research Organization Multistage vacuum pump
DE19634519A1 (de) * 1996-08-27 1998-03-05 Leybold Vakuum Gmbh Kolbenvakuumpumpe mit Eintritt und Austritt
DE19634518A1 (de) * 1996-08-27 1998-03-05 Leybold Vakuum Gmbh Kolbenpumpe mit Entlastungsventil
US5996963A (en) * 1997-02-14 1999-12-07 Ceramco Inc. Dental casting mold device
DE19749729A1 (de) * 1997-11-11 1999-05-12 Leybold Vakuum Gmbh Kolbenvakuumpumpe
DE19917009A1 (de) * 1999-04-15 2000-10-19 Leybold Vakuum Gmbh Kolbenvakuumpumpe mit Gaseinlass und Gasauslass
DE19955688A1 (de) * 1999-11-19 2001-05-23 Leybold Vakuum Gmbh Kolben-Vakuumpumpe
US6474954B1 (en) 2000-08-10 2002-11-05 Thomas Industries Inc. Compressor cooling system
DE10110368A1 (de) * 2001-03-03 2002-09-12 Leybold Vakuum Gmbh Vakuumpumpe mit Schöpfraum und Austritt
DE10116824A1 (de) * 2001-04-04 2002-10-17 Arno Friedrichs Verfahren und Vorrichtung zur Erzeugung von Unterdruck
DE10127082A1 (de) * 2001-06-02 2002-12-05 Leybold Vakuum Gmbh Mehrstufige Kolbenvakuumpumpe und Verfahren zum Betrieb dieser Pumpe
US20080226480A1 (en) * 2007-03-15 2008-09-18 Ion Metrics, Inc. Multi-Stage Trochoidal Vacuum Pump
US20110137231A1 (en) 2009-12-08 2011-06-09 Alcon Research, Ltd. Phacoemulsification Hand Piece With Integrated Aspiration Pump
US20130081536A1 (en) * 2011-09-30 2013-04-04 Newport Medical Instruments, Inc. Pump piston assembly with acoustic dampening device
EP2874583B1 (en) 2012-12-11 2017-09-06 Alcon Research, Ltd. Phacoemulsification hand piece with integrated aspiration and irrigation pump
US9962288B2 (en) 2013-03-07 2018-05-08 Novartis Ag Active acoustic streaming in hand piece for occlusion surge mitigation
US9545337B2 (en) 2013-03-15 2017-01-17 Novartis Ag Acoustic streaming glaucoma drainage device
US9693896B2 (en) 2013-03-15 2017-07-04 Novartis Ag Systems and methods for ocular surgery
US9915274B2 (en) 2013-03-15 2018-03-13 Novartis Ag Acoustic pumps and systems
US9750638B2 (en) 2013-03-15 2017-09-05 Novartis Ag Systems and methods for ocular surgery
US10537471B2 (en) * 2014-04-17 2020-01-21 Novartis Ag Hydraulic pump for ophthalmic surgery
US10624785B2 (en) 2016-01-30 2020-04-21 Carl Zeiss Meditec Cataract Technology Inc. Devices and methods for ocular surgery
EP4052686B1 (en) 2017-05-04 2025-07-02 Carl Zeiss Meditec Cataract Technology Inc. Devices for ocular surgery
US11260330B2 (en) 2018-02-09 2022-03-01 Paul NEISER Filtration apparatus and method
CN112005147B (zh) 2018-02-09 2023-03-28 P·奈瑟 过滤设备和方法
CN112041724A (zh) 2018-02-15 2020-12-04 P·奈瑟 用于选择性透射对象的设备和方法
US20210164451A1 (en) * 2018-02-23 2021-06-03 Paul NEISER Interaction method and apparatus
WO2019236615A1 (en) * 2018-06-05 2019-12-12 Carl Zeiss Meditec Cataract Technology Inc. Ophthalmic microsurgical tools, systems, and methods of use
EP4279042A3 (en) 2019-02-01 2024-02-07 Carl Zeiss Meditec Cataract Technology Inc. Ophthalmic cutting instruments having integrated aspiration pump
AU2020277300C1 (en) 2019-05-17 2025-04-03 Carl Zeiss Meditec Cataract Technology Inc. Ophthalmic cutting instruments having integrated aspiration pump
AU2020288110B2 (en) 2019-06-07 2024-11-21 Carl Zeiss Meditec Cataract Technology Inc. Multi-stage trigger for ophthalmology cutting tool
EP4390130B1 (de) * 2022-12-21 2025-03-19 Pfeiffer Vacuum Technology AG Pumpe und verfahren zur herstellung einer versiegelung

Family Cites Families (19)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2622788A (en) * 1946-01-19 1952-12-23 Mills Ind Inc Refrigeration compressor
US2765976A (en) * 1952-03-14 1956-10-09 Pennsylvania Pump & Compressor Two stage compressor
US2888879A (en) * 1953-09-30 1959-06-02 Union Carbide Corp Immersion pump for liquefied gases
US3375972A (en) * 1966-08-11 1968-04-02 Zefex Inc Pump for a gaseous medium
US3779672A (en) * 1970-03-03 1973-12-18 W Schroeder Air compressor
US3839946A (en) * 1972-05-24 1974-10-08 Hardie Tynes Mfg Co Nonlubricated compressor
US4023467A (en) * 1973-03-06 1977-05-17 Bayerisches Druckgusswerk Thurner Kg Piston compressor for gaseous fluids
US3961868A (en) * 1974-02-21 1976-06-08 Thomas Industries, Inc. Air compressor
US3915597A (en) * 1974-11-22 1975-10-28 Westinghouse Electric Corp Ported unloader sleeve
DE2645134A1 (de) * 1975-10-08 1977-08-25 Nissan Motor Aluminiumzylinder fuer einen hydraulischen stellantrieb
US4657488A (en) * 1979-12-14 1987-04-14 Rockwell International Corporation Two stage stepped piston air compressor
US4387568A (en) * 1980-07-14 1983-06-14 Mechanical Technology Incorporated Stirling engine displacer gas bearing
JPS5748202A (en) * 1980-09-05 1982-03-19 Toshiba Corp Superconductive electromagnet
DE3102506C2 (de) * 1981-01-27 1985-06-20 Pierburg Gmbh & Co Kg, 4040 Neuss Kolbenpumpe mit geregelter Förderleistung
DE3122091C1 (de) * 1981-06-03 1982-12-16 Saphirwerk, Industrieprodukte AG Nidau, 2560 Nidau Tauchkolbenpumpe
AU564301B2 (en) * 1981-08-13 1987-08-06 Commonwealth Scientific And Industrial Research Organisation Reciprocatory piston and cylinder machine
DE3150119A1 (de) * 1981-12-18 1983-06-30 Volkswagenwerk Ag, 3180 Wolfsburg "wartungsfreies, trockenes elektro-vakuumpumpenaggregat"
FR2536797B1 (fr) * 1982-11-25 1987-08-21 Rivapompe Sa Pompe a cylindre et a piston utilisable comme pompe a vide pour asservissement des freins d'un vehicule
GB2132284B (en) * 1982-12-17 1986-04-03 Commw Scient Ind Res Org Porting and ducting arrangement

Also Published As

Publication number Publication date
ES2038222T3 (es) 1993-07-16
DE3877980T4 (de) 1994-05-26
DE3877980T2 (de) 1993-05-27
EP0280264A3 (en) 1989-12-20
EP0280264B1 (en) 1993-02-03
EP0280264A2 (en) 1988-08-31
GR3006996T3 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) 1993-06-30
US4854825A (en) 1989-08-08
JPH01219366A (ja) 1989-09-01
ATE85404T1 (de) 1993-02-15

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Legal Events

Date Code Title Description
8380 Miscellaneous part iii

Free format text: DER PATENTINHABER LAUTET RICHTIG: COMMONWEALTH SCIENTIFIC AND INDUSTRIAL RESEARCH ORGANIZATION, CAMPELL, AU

8364 No opposition during term of opposition