DE69418559D1 - Einrichtung von Rückschlagventilen bei Flüssigkeitsringpumpen - Google Patents

Einrichtung von Rückschlagventilen bei Flüssigkeitsringpumpen

Info

Publication number
DE69418559D1
DE69418559D1 DE69418559T DE69418559T DE69418559D1 DE 69418559 D1 DE69418559 D1 DE 69418559D1 DE 69418559 T DE69418559 T DE 69418559T DE 69418559 T DE69418559 T DE 69418559T DE 69418559 D1 DE69418559 D1 DE 69418559D1
Authority
DE
Germany
Prior art keywords
installation
check valves
liquid ring
ring pumps
pumps
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
DE69418559T
Other languages
English (en)
Other versions
DE69418559T2 (de
Inventor
Louis J Lengyel
Ramesh B Shenoi
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.)
Gardner Denver Nash LLC
Original Assignee
Nash Engineering Co
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 Nash Engineering Co filed Critical Nash Engineering Co
Application granted granted Critical
Publication of DE69418559D1 publication Critical patent/DE69418559D1/de
Publication of DE69418559T2 publication Critical patent/DE69418559T2/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
    • F04D—NON-POSITIVE-DISPLACEMENT PUMPS
    • F04D13/00—Pumping installations or systems
    • 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
    • F04C29/00—Component parts, details or accessories of pumps or pumping installations, not provided for in groups F04C18/00 - F04C28/00
    • F04C29/12—Arrangements for admission or discharge of the working fluid, e.g. constructional features of the inlet or outlet
    • 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
    • F04C19/00—Rotary-piston pumps with fluid ring or the like, specially adapted for elastic fluids
    • F04C19/005—Details concerning the admission or discharge
    • F04C19/008—Port members in the form of conical or cylindrical pieces situated in the centre of the impeller

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Details Of Reciprocating Pumps (AREA)
  • Details And Applications Of Rotary Liquid Pumps (AREA)
  • Applications Or Details Of Rotary Compressors (AREA)
  • Rotary Pumps (AREA)
DE69418559T 1993-09-29 1994-09-09 Einrichtung von Rückschlagventilen bei Flüssigkeitsringpumpen Expired - Lifetime DE69418559T2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US08/128,877 US5356268A (en) 1993-09-29 1993-09-29 Check valve structures for liquid ring pumps

Publications (2)

Publication Number Publication Date
DE69418559D1 true DE69418559D1 (de) 1999-06-24
DE69418559T2 DE69418559T2 (de) 2000-01-13

Family

ID=22437421

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69418559T Expired - Lifetime DE69418559T2 (de) 1993-09-29 1994-09-09 Einrichtung von Rückschlagventilen bei Flüssigkeitsringpumpen

Country Status (11)

Country Link
US (1) US5356268A (de)
EP (1) EP0645537B1 (de)
JP (1) JPH07151086A (de)
KR (1) KR100348944B1 (de)
AU (1) AU670713B2 (de)
BR (1) BR9403890A (de)
CA (1) CA2117622A1 (de)
DE (1) DE69418559T2 (de)
FI (1) FI944493A (de)
GB (1) GB2282413B (de)
ZA (1) ZA946809B (de)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5580222A (en) * 1993-12-03 1996-12-03 Tuthill Corporation Liquid ring vacuum pump and method of assembly
KR100308021B1 (ko) * 1998-10-21 2001-10-19 구자홍 세탁기의도어힌지장치
US6659711B2 (en) 2001-11-15 2003-12-09 General Electric Co. Methods and apparatus for regulating turbine cooling airflow supply systems
WO2010151405A1 (en) 2009-06-26 2010-12-29 Gardner Denver Nash, Llc Method of converting liquid ring pumps having sealing liquid vents
US20110194950A1 (en) * 2010-02-10 2011-08-11 Shenoi Ramesh B Efficiency improvements for liquid ring pumps
US9689387B2 (en) * 2012-10-30 2017-06-27 Gardner Denver Nash, Llc Port plate of a flat sided liquid ring pump having a gas scavenge passage therein
US9541086B2 (en) * 2013-10-01 2017-01-10 Gardner Denver Nash Llc Liquid ring pump with modular construction, an inter-stage bypass and overload protection
JP2018501429A (ja) * 2015-01-08 2018-01-18 ガードナー デンヴァー ナッシュ エルエルシーＧａｒｄｎｅｒ Ｄｅｎｖｅｒ Ｎａｓｈ Ｌｌｃ コンプレッサ型液封式ポンプにおける低圧封液入口領域
GB2571970B (en) 2018-03-14 2020-09-16 Edwards Tech Vacuum Engineering (Qingdao) Co Ltd A liquid ring pump manifold with integrated non-return valve

Family Cites Families (18)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB190511378A (en) * 1905-05-31 1906-04-12 James Atkinson Improvements in Rotary Pumps and Motors.
US1180613A (en) * 1913-03-19 1916-04-25 Siemens Schuckertwerke Gmbh Rotary pump.
US1278700A (en) * 1917-02-08 1918-09-10 George C Mcfarlane Rotary compressor and vacuum-pump.
US2344396A (en) * 1940-01-22 1944-03-14 Dardelet Robert Leon Compression or depression pump of the liquid ring type
US2453373A (en) * 1944-08-28 1948-11-09 Kollsman Paul Compressor
DE1503605B2 (de) * 1965-04-28 1971-05-27 Siemens AG, 1000 Berlin u 8000 München Rueckschlagventil fuer eine fluessigkeitsringgaspumpe
FR1594612A (de) * 1968-03-07 1970-06-08
GB1284473A (en) * 1969-04-26 1972-08-09 Siemens Ag Improvements in or relating to liquid ring pumps
DE2318538B2 (de) * 1973-04-12 1975-12-04 Siemens Ag, 1000 Berlin Und 8000 Muenchen Verteiler für einen Flüssigkeitsringgasverdichter
DE2704863A1 (de) * 1977-02-05 1978-08-10 Kloeckner Humboldt Deutz Ag Rueckschlagventil fuer eine fluessigkeitsring-gaspumpe
JPS555428A (en) * 1978-06-22 1980-01-16 Nakamura Suikan:Kk Water ring pump of side-air-port type
GB2064002A (en) * 1979-11-22 1981-06-10 Graham Precision Pumps Ltd Liquid Ring Vacuum Pumps
US4498844A (en) * 1983-08-08 1985-02-12 The Nash Engineering Company Liquid ring pump with conical or cylindrical port member
DE3337837A1 (de) * 1983-10-18 1985-04-25 Siemens AG, 1000 Berlin und 8000 München Fluessigkeitsringpumpe
SU1239405A1 (ru) * 1984-12-28 1986-06-23 Предприятие П/Я А-3605 Жидкостно-кольцева машина
JPS61200392A (ja) * 1985-02-28 1986-09-04 Asahi Malleable Iron Co Ltd 回転ピストン形圧縮機
DE3935247C2 (de) * 1988-11-07 1994-08-11 Siemens Ag Flüssigkeitsringpumpe
ATE82620T1 (de) * 1989-06-05 1992-12-15 Siemens Ag Fluessigkeitsringverdichter.

Also Published As

Publication number Publication date
DE69418559T2 (de) 2000-01-13
US5356268A (en) 1994-10-18
GB2282413A (en) 1995-04-05
FI944493A (fi) 1995-03-30
FI944493A0 (fi) 1994-09-28
AU7304894A (en) 1995-04-13
AU670713B2 (en) 1996-07-25
CA2117622A1 (en) 1995-03-30
GB9418211D0 (en) 1994-10-26
BR9403890A (pt) 1995-06-06
KR950008986A (ko) 1995-04-21
EP0645537A1 (de) 1995-03-29
KR100348944B1 (ko) 2002-11-04
GB2282413B (en) 1997-06-11
ZA946809B (en) 1995-04-20
EP0645537B1 (de) 1999-05-19
JPH07151086A (ja) 1995-06-13

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8327 Change in the person/name/address of the patent owner

Owner name: NASH_ELMO INDUSTRIES,L.L.C.(N.D.GES.D.STAATES DELA