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ES2036342T3 - Sistemas de bombeo de vacio. - Google Patents

Sistemas de bombeo de vacio.

Info

Publication number
ES2036342T3
ES2036342T3 ES198989303473T ES89303473T ES2036342T3 ES 2036342 T3 ES2036342 T3 ES 2036342T3 ES 198989303473 T ES198989303473 T ES 198989303473T ES 89303473 T ES89303473 T ES 89303473T ES 2036342 T3 ES2036342 T3 ES 2036342T3
Authority
ES
Spain
Prior art keywords
pump
chamber
vacuum pumping
pumping systems
lights
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
ES198989303473T
Other languages
English (en)
Inventor
David Alan Turrell
Nigel Thomas Metcalfe Dennis
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.)
BOC Group Ltd
Original Assignee
BOC Group 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
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=10635047&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=ES2036342(T3) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by BOC Group Ltd filed Critical BOC Group Ltd
Application granted granted Critical
Publication of ES2036342T3 publication Critical patent/ES2036342T3/es
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
    • F04C27/00—Sealing arrangements in rotary-piston pumps specially adapted for elastic fluids
    • F04C27/008—Sealing arrangements in rotary-piston pumps specially adapted for elastic fluids for other than working fluid, i.e. the sealing arrangements are not between working chambers of the machine
    • 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
    • F04C23/001—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 similar working principle

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Applications Or Details Of Rotary Compressors (AREA)
  • Compressors, Vaccum Pumps And Other Relevant Systems (AREA)

Abstract

SISTEMA DE BOMBA DE VACIO QUE CONSTA DE UNA PRIMERA BOMBA DE VACIO (2) QUE TIENE AL MENOS UNA CAMARA DE BOMBEO (6) CON LUMBRERAS PARA COMUNICARSE CON UN RECINTO DE EVACUACION, Y UNOS DISPOSITIVOS DE BOMBEO (8) MONTADOS AL MENOS EN UN EJE, CUYOS COJINETES Y/O ENGRANAJES ESTAN CONTENIDOS EN UNA CARCASA (10,12). EL SISTEMA CONSTA ADEMAS DE UNA SEGUNDA BOMBA DE VACIO (20) QUE TIENE UNA PRIMERA CAMARA DE BOMBEO (24) CON LUMBRERAS (22) PARA COMUNICARSE CON LA CAMARA (6) DE LA PRIMERA BOMBA (2) Y AL MENOS OTRA CAMARA DE BOMBEO ADICIONAL (26,28,30) CON UNOS CONDUCTOS (54) PARA LA COMUNICACION ENTRE LA CARCASA (10,12) DE LA PRIMERA BOMBA (2) Y UNA CAMARA ADICIONAL DE BOMBEO (26,28,30) DE LA SEGUNDA BOMBA (20).
ES198989303473T 1988-04-12 1989-04-07 Sistemas de bombeo de vacio. Expired - Lifetime ES2036342T3 (es)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB888808608A GB8808608D0 (en) 1988-04-12 1988-04-12 Dry pump with booster

Publications (1)

Publication Number Publication Date
ES2036342T3 true ES2036342T3 (es) 1993-05-16

Family

ID=10635047

Family Applications (1)

Application Number Title Priority Date Filing Date
ES198989303473T Expired - Lifetime ES2036342T3 (es) 1988-04-12 1989-04-07 Sistemas de bombeo de vacio.

Country Status (6)

Country Link
US (1) US4934908A (es)
EP (1) EP0337681B1 (es)
JP (1) JP2697893B2 (es)
DE (1) DE68903862T2 (es)
ES (1) ES2036342T3 (es)
GB (1) GB8808608D0 (es)

Families Citing this family (18)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB9604486D0 (en) * 1996-03-01 1996-05-01 Boc Group Plc Improvements in vacuum pumps
US6129534A (en) * 1999-06-16 2000-10-10 The Boc Group Plc Vacuum pumps
FR2813104B1 (fr) * 2000-08-21 2002-11-29 Cit Alcatel Joint etancheite pour pompe a vide
JP2004100594A (ja) * 2002-09-10 2004-04-02 Toyota Industries Corp 真空ポンプ装置
US8133115B2 (en) * 2003-10-22 2012-03-13 Sony Computer Entertainment America Llc System and method for recording and displaying a graphical path in a video game
US20060071933A1 (en) 2004-10-06 2006-04-06 Sony Computer Entertainment Inc. Application binary interface for multi-pass shaders
US7636126B2 (en) 2005-06-22 2009-12-22 Sony Computer Entertainment Inc. Delay matching in audio/video systems
US7965859B2 (en) 2006-05-04 2011-06-21 Sony Computer Entertainment Inc. Lighting control of a user environment via a display device
US7880746B2 (en) 2006-05-04 2011-02-01 Sony Computer Entertainment Inc. Bandwidth management through lighting control of a user environment via a display device
US7682139B2 (en) * 2007-01-04 2010-03-23 Thomas Matthew Riley Motor and method of operating the same
US10786736B2 (en) 2010-05-11 2020-09-29 Sony Interactive Entertainment LLC Placement of user information in a game space
US9273568B2 (en) * 2010-11-17 2016-03-01 Ulvac, Inc. Coupling structure for vacuum exhaust device and vacuum exhaust system
US9342817B2 (en) 2011-07-07 2016-05-17 Sony Interactive Entertainment LLC Auto-creating groups for sharing photos
US9074524B2 (en) * 2011-12-09 2015-07-07 Eaton Corporation Air supply system with two-stage roots blower
GB2498807A (en) * 2012-01-30 2013-07-31 Edwards Ltd Multi-stage vacuum pump with solid stator
JP2014001668A (ja) * 2012-06-18 2014-01-09 Toshiba Corp ルーツポンプ
DE202014005279U1 (de) * 2014-06-26 2015-10-05 Oerlikon Leybold Vacuum Gmbh Vakuumpumpen-System
US11313368B2 (en) * 2020-03-05 2022-04-26 Elivac Company, Ltd. Multistage pump assembly with at least one co-used shaft

Family Cites Families (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE415913C (de) * 1922-04-01 1925-07-10 Siemens Schuckertwerke G M B H Einrichtung an Drehkolbenpumpen fuer gasfoermige Koerper zur Verminderung der Undichtigkeitsverluste durch Umstroemen
US2492075A (en) * 1945-10-30 1949-12-20 Kinney Mfg Company Vacuum pump
US2721694A (en) * 1954-01-29 1955-10-25 New York Air Brake Co First stage mechanical pump for use in a two stage vacuum pumping system
FR1119888A (fr) * 1954-02-27 1956-06-26 Heraeus Gmbh W C Pompe mécanique à vide poussé du type roots
US2938664A (en) * 1955-01-17 1960-05-31 Leybold S Nachfolger Fa E Pump
US2950046A (en) * 1956-01-28 1960-08-23 Heraeus Gmbh W C High vacuum pump
US2936107A (en) * 1956-06-14 1960-05-10 Nat Res Corp High vacuum device
US2940661A (en) * 1957-01-14 1960-06-14 Heraeus Gmbh W C Vacuum pumps
JPS50138619U (es) * 1974-04-30 1975-11-14
US4204815A (en) * 1977-12-06 1980-05-27 Gast Manufacturing Corporation Cartridge rotary vane pump
GB2088957B (en) * 1980-12-05 1984-12-12 Boc Ltd Rotary positive-displacement fluidmachines
US4504201A (en) * 1982-11-22 1985-03-12 The Boc Group Plc Mechanical pumps
US4662826A (en) * 1984-04-20 1987-05-05 Tokico Ltd. Vacuum pump system including serially connected rotary and reciprocating vacuum pumps
JPS62243982A (ja) * 1986-04-14 1987-10-24 Hitachi Ltd ２段型真空ポンプ装置およびその運転方法
JPH0784871B2 (ja) * 1986-06-12 1995-09-13 株式会社日立製作所 真空排気装置

Also Published As

Publication number Publication date
EP0337681A3 (en) 1990-04-04
GB8808608D0 (en) 1988-05-11
EP0337681A2 (en) 1989-10-18
JPH0230989A (ja) 1990-02-01
DE68903862D1 (de) 1993-01-28
US4934908A (en) 1990-06-19
EP0337681B1 (en) 1992-12-16
DE68903862T2 (de) 1993-04-22
JP2697893B2 (ja) 1998-01-14

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