DE59711474D1 - PISTON VACUUM PUMP WITH EXHAUST VALVE - Google Patents

PISTON VACUUM PUMP WITH EXHAUST VALVE

Info

Publication number
DE59711474D1
DE59711474D1 DE59711474T DE59711474T DE59711474D1 DE 59711474 D1 DE59711474 D1 DE 59711474D1 DE 59711474 T DE59711474 T DE 59711474T DE 59711474 T DE59711474 T DE 59711474T DE 59711474 D1 DE59711474 D1 DE 59711474D1
Authority
DE
Germany
Prior art keywords
vacuum pump
exhaust valve
piston vacuum
piston
exhaust
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
DE59711474T
Other languages
German (de)
Inventor
Hans-Josef Burghard
Juergen Meyer
Eckhard Bez
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.)
Leybold GmbH
Original Assignee
Leybold Vakuum GmbH
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 Leybold Vakuum GmbH filed Critical Leybold Vakuum GmbH
Application granted granted Critical
Publication of DE59711474D1 publication Critical patent/DE59711474D1/en
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
    • F04B39/00—Component parts, details, or accessories, of pumps or pumping systems specially adapted for elastic fluids, not otherwise provided for in, or of interest apart from, groups F04B25/00 - F04B37/00
    • F04B39/10—Adaptations or arrangements of distribution members
    • F04B39/1073—Adaptations or arrangements of distribution members the members being reed valves
    • F04B39/108—Adaptations or arrangements of distribution members the members being reed valves circular reed valves
    • 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
    • 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
    • F04B39/00—Component parts, details, or accessories, of pumps or pumping systems specially adapted for elastic fluids, not otherwise provided for in, or of interest apart from, groups F04B25/00 - F04B37/00
    • F04B39/08—Actuation of distribution members

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Compressor (AREA)
DE59711474T 1996-08-27 1997-06-12 PISTON VACUUM PUMP WITH EXHAUST VALVE Expired - Lifetime DE59711474D1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE19634517A DE19634517A1 (en) 1996-08-27 1996-08-27 Piston vacuum pump with outlet valve
PCT/EP1997/003042 WO1998009080A1 (en) 1996-08-27 1997-06-12 Piston vacuum pump with discharge valve

Publications (1)

Publication Number Publication Date
DE59711474D1 true DE59711474D1 (en) 2004-05-06

Family

ID=7803764

Family Applications (2)

Application Number Title Priority Date Filing Date
DE19634517A Ceased DE19634517A1 (en) 1996-08-27 1996-08-27 Piston vacuum pump with outlet valve
DE59711474T Expired - Lifetime DE59711474D1 (en) 1996-08-27 1997-06-12 PISTON VACUUM PUMP WITH EXHAUST VALVE

Family Applications Before (1)

Application Number Title Priority Date Filing Date
DE19634517A Ceased DE19634517A1 (en) 1996-08-27 1996-08-27 Piston vacuum pump with outlet valve

Country Status (3)

Country Link
EP (1) EP0922166B1 (en)
DE (2) DE19634517A1 (en)
WO (1) WO1998009080A1 (en)

Families Citing this family (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19917009A1 (en) 1999-04-15 2000-10-19 Leybold Vakuum Gmbh Vacuum piston pump has gas inlet valve which is pressure controlled and installed so that it opens during suction stroke, and preferably during first phase of it
AU3163200A (en) 1999-04-19 2000-11-02 Leybold Vakuum Gmbh Oscillating piston drive
JP2002542428A (en) 1999-04-19 2002-12-10 ライボルト ヴァークウム ゲゼルシャフト ミット ベシュレンクテル ハフツング Oscillating piston drive
DE19926186A1 (en) * 1999-06-09 2000-12-14 Leybold Vakuum Gmbh Piston vacuum pump with outlet valve
AUPQ489799A0 (en) * 1999-12-24 2000-02-03 Orbital Engine Company (Australia) Proprietary Limited Improved fluid compressor
KR100461232B1 (en) * 2001-12-03 2004-12-14 삼성광주전자 주식회사 Apparatus for compressing fluid
KR100461233B1 (en) * 2001-12-03 2004-12-14 삼성광주전자 주식회사 Apparatus for compressing fluid
DE10247336A1 (en) † 2002-10-10 2004-04-22 Pfeiffer Vacuum Gmbh Piston machine for conveying gases
DE10308421A1 (en) * 2003-02-27 2004-09-09 Leybold Vakuum Gmbh Piston pump, preferably piston vacuum pump, with outlet valve
DE10318735A1 (en) * 2003-04-25 2004-11-11 Leybold Vakuum Gmbh Vacuum pump
DE202010002145U1 (en) 2010-02-09 2011-09-07 Vacuubrand Gmbh + Co Kg Diaphragm vacuum pump
CN103352827A (en) * 2013-07-31 2013-10-16 南通龙鹰真空泵业有限公司 Reciprocating vacuum pump

Family Cites Families (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE7423295U (en) * 1974-11-21 Janssen Weets P check valve
DE853366C (en) * 1950-06-17 1952-10-23 Karl Rud Dienes Fa Automatic, spring-loaded valve
US2751146A (en) * 1951-10-29 1956-06-19 Dalmo Victor Company Air compressor
GB829560A (en) * 1956-03-09 1960-03-02 Durabla Mfg Company Improvements in valves for compressible fluids
US3312388A (en) * 1965-08-25 1967-04-04 Stal Refrigeration Ab Device for suction valves for reciprocating machinery
DE2400257A1 (en) * 1974-01-04 1975-07-17 Aspa Zaklady Aparatury Spawaln Automatic pressure valve for compressor - has inner surface of closure member below piston top dead centre when closed
DE2412719A1 (en) * 1974-03-16 1975-09-25 Langen & Co Open-top piston for hydraulic pump - contains cushioning plunger throttling flow to low pressure oil when piston near top dead centre
WO1983000539A1 (en) * 1981-08-13 1983-02-17 Balkau, Guenter, Karl, Willi Reciprocatory piston and cylinder machine
GB2132284B (en) * 1982-12-17 1986-04-03 Commw Scient Ind Res Org Porting and ducting arrangement
DE3710782A1 (en) * 1987-03-31 1988-10-20 Vacuubrand Gmbh & Co Method and device for pumping out vapours and/or vaporous mixtures and/or gas-vapour mixtures or similar media
DE3909343A1 (en) * 1989-03-22 1990-09-27 Wabco Westinghouse Fahrzeug PRESSURE VALVE FOR A COMPRESSOR
US5076769A (en) * 1990-07-16 1991-12-31 The Dow Chemical Company Double acting pump
US5482443A (en) * 1992-12-21 1996-01-09 Commonwealth Scientific And Industrial Research Organization Multistage vacuum pump
US5346373A (en) * 1993-06-17 1994-09-13 White Consolidated Industries, Inc. Refrigeration compressor having a spherical discharge valve

Also Published As

Publication number Publication date
EP0922166A1 (en) 1999-06-16
DE19634517A1 (en) 1998-03-05
WO1998009080A1 (en) 1998-03-05
EP0922166B1 (en) 2004-03-31

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition