ATE117052T1 - Drehpumpe. - Google Patents

Drehpumpe.

Info

Publication number
ATE117052T1
ATE117052T1 AT91308100T AT91308100T ATE117052T1 AT E117052 T1 ATE117052 T1 AT E117052T1 AT 91308100 T AT91308100 T AT 91308100T AT 91308100 T AT91308100 T AT 91308100T AT E117052 T1 ATE117052 T1 AT E117052T1
Authority
AT
Austria
Prior art keywords
vacuum pump
rotor
end walls
annular wall
chamber
Prior art date
Application number
AT91308100T
Other languages
English (en)
Inventor
Tapio Peroaho
Reijo Vesala
Vesa Vikman
Original Assignee
Ahlstroem Oy
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 Ahlstroem Oy filed Critical Ahlstroem Oy
Application granted granted Critical
Publication of ATE117052T1 publication Critical patent/ATE117052T1/de

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
    • F04D7/00—Pumps adapted for handling specific fluids, e.g. by selection of specific materials for pumps or pump parts
    • F04D7/02—Pumps adapted for handling specific fluids, e.g. by selection of specific materials for pumps or pump parts of centrifugal type
    • F04D7/04—Pumps adapted for handling specific fluids, e.g. by selection of specific materials for pumps or pump parts of centrifugal type the fluids being viscous or non-homogenous
    • F04D7/045—Pumps adapted for handling specific fluids, e.g. by selection of specific materials for pumps or pump parts of centrifugal type the fluids being viscous or non-homogenous with means for comminuting, mixing stirring or otherwise treating
    • 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
    • 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
    • F04C2220/00—Application
    • F04C2220/20—Pumps with means for separating and evacuating the gaseous phase
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F05—INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF CLASSES F01-F04
    • F05B—INDEXING SCHEME RELATING TO WIND, SPRING, WEIGHT, INERTIA OR LIKE MOTORS, TO MACHINES OR ENGINES FOR LIQUIDS COVERED BY SUBCLASSES F03B, F03D AND F03G
    • F05B2210/00—Working fluid
    • F05B2210/10—Kind or type
    • F05B2210/13—Kind or type mixed, e.g. two-phase fluid
    • F05B2210/132—Pumps with means for separating and evacuating the gaseous phase
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F05—INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF CLASSES F01-F04
    • F05B—INDEXING SCHEME RELATING TO WIND, SPRING, WEIGHT, INERTIA OR LIKE MOTORS, TO MACHINES OR ENGINES FOR LIQUIDS COVERED BY SUBCLASSES F03B, F03D AND F03G
    • F05B2250/00—Geometry
    • F05B2250/20—Geometry three-dimensional
    • F05B2250/29—Geometry three-dimensional machined; miscellaneous
    • F05B2250/292—Geometry three-dimensional machined; miscellaneous tapered

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Applications Or Details Of Rotary Compressors (AREA)
  • Lubrication Of Internal Combustion Engines (AREA)
  • Rotary Pumps (AREA)
  • Paper (AREA)
  • Reciprocating Pumps (AREA)
AT91308100T 1990-09-07 1991-09-04 Drehpumpe. ATE117052T1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US07/579,402 US5078573A (en) 1990-09-07 1990-09-07 Liquid ring pump having tapered blades and housing

Publications (1)

Publication Number Publication Date
ATE117052T1 true ATE117052T1 (de) 1995-01-15

Family

ID=24316752

Family Applications (1)

Application Number Title Priority Date Filing Date
AT91308100T ATE117052T1 (de) 1990-09-07 1991-09-04 Drehpumpe.

Country Status (5)

Country Link
US (1) US5078573A (de)
EP (1) EP0474476B1 (de)
AT (1) ATE117052T1 (de)
DE (1) DE69106631T2 (de)
ES (1) ES2067875T3 (de)

Families Citing this family (23)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
SE467982B (sv) * 1990-12-19 1992-10-12 Kamyr Ab Suspensionspump med inbyggd vakuumpump, vilken vakuumpump har variabel kapacitet
US5213479A (en) * 1992-04-09 1993-05-25 The Nash Engineering Company Liquid ring pumps with improved housing shapes
US5534118A (en) * 1992-08-13 1996-07-09 Mccutchen; Wilmot H. Rotary vacuum distillation and desalination apparatus
US5413466A (en) * 1993-10-25 1995-05-09 Coltec Industries Inc. Unified fuel pump assembly
EP0713978B1 (de) * 1994-11-25 1999-08-04 Fujikoki Mfg. Co., Ltd. Abflusspumpe
PL179863B1 (pl) * 1995-06-05 2000-11-30 Aahlstrom Corp Pompa odsrodkowa oddzielajaca gaz PL PL PL PL PL
US5584911A (en) * 1995-06-15 1996-12-17 Jordan Holding Company Vapor recovery system with cyclonic separator
US6120252A (en) * 1995-12-27 2000-09-19 Ahlstrom Machinery Corporation Gas separation control in a centrifugal pump/vacuum pump
WO1997048477A1 (en) * 1996-06-21 1997-12-24 Jordan Holding Company Return circuit for vapor recovery system
IT1292483B1 (it) * 1997-07-04 1999-02-08 Garo Roberto Gabbioneta S P A Compressore ad anello liquido a rendimento elevato
DE19847681C1 (de) * 1998-10-15 2000-06-15 Siemens Ag Flüssigkeitsringpumpe
US6390768B1 (en) 1999-03-22 2002-05-21 David Muhs Pump impeller and related components
US6315524B1 (en) * 1999-03-22 2001-11-13 David Muhs Pump system with vacuum source
US6405748B1 (en) * 1999-03-22 2002-06-18 David Muhs Trailer and fuel tank assembly
US6692234B2 (en) * 1999-03-22 2004-02-17 Water Management Systems Pump system with vacuum source
JP4617656B2 (ja) * 2003-10-14 2011-01-26 パナソニック株式会社 密閉型圧縮機
US7878768B2 (en) 2007-01-19 2011-02-01 David Muhs Vacuum pump with wear adjustment
US8998586B2 (en) * 2009-08-24 2015-04-07 David Muhs Self priming pump assembly with a direct drive vacuum pump
WO2013144623A1 (en) * 2012-03-29 2013-10-03 Weir Minerals Europe Limited Froth pump and method
US8979982B2 (en) 2013-05-01 2015-03-17 Jordan Technologies, Llc Negative pressure vapor recovery system
EP3011186B1 (de) 2013-06-21 2020-12-30 Flow Control LLC. Rückstandsentfernende laufradrückschaufel
WO2020046799A1 (en) * 2018-08-27 2020-03-05 The Texas A&M University System High energy density turbomachines
US11181325B2 (en) * 2019-12-23 2021-11-23 Valgroup S.A. System for the production of molten salt used as a heat transfer medium for a pyrolysis system

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2581055A (en) * 1946-09-03 1952-01-01 W H Martin Centrifugal pump
GB1226960A (de) * 1967-07-08 1971-03-31
US3519365A (en) * 1968-09-30 1970-07-07 Alfred Conhagen Centrifugal pump
FR2264200B1 (de) * 1974-03-13 1978-07-13 Siemens Ag
IT1073325B (it) * 1976-10-01 1985-04-17 Worthington Pump Perfezionamenti alle pompe centrifughe con girante ausiliaria di alimentazione e relative pompe perfezionate
US4172694A (en) * 1977-11-07 1979-10-30 The Nash Engineering Company Long liquid ring pumps and compressors
US4776758A (en) * 1987-07-06 1988-10-11 Kamyr Ab Combined fluidizing and vacuum pump
FI85751B (fi) * 1988-06-17 1992-02-14 Ahlstroem Oy Foerfarande och anordning foer pumpning av tjockt medium.
US4877368A (en) * 1988-11-08 1989-10-31 A. Ahlstrom Corporation Fluidizing centrifugal pump
US4981413A (en) * 1989-04-27 1991-01-01 Ahlstrom Corporation Pump for and method of separating gas from a fluid to be pumped

Also Published As

Publication number Publication date
DE69106631D1 (de) 1995-02-23
EP0474476B1 (de) 1995-01-11
US5078573A (en) 1992-01-07
EP0474476A3 (en) 1992-05-06
EP0474476A2 (de) 1992-03-11
DE69106631T2 (de) 1995-05-18
ES2067875T3 (es) 1995-04-01

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Legal Events

Date Code Title Description
UEP Publication of translation of european patent specification
EEIH Change in the person of patent owner
EELA Cancelled due to lapse of time