ATE145040T1 - Gehäuse, insbesondere für radialkreiselpumpen und verfahren zu dessen herstellung - Google Patents

Gehäuse, insbesondere für radialkreiselpumpen und verfahren zu dessen herstellung

Info

Publication number
ATE145040T1
ATE145040T1 AT90112637T AT90112637T ATE145040T1 AT E145040 T1 ATE145040 T1 AT E145040T1 AT 90112637 T AT90112637 T AT 90112637T AT 90112637 T AT90112637 T AT 90112637T AT E145040 T1 ATE145040 T1 AT E145040T1
Authority
AT
Austria
Prior art keywords
impeller
case
initial
stage
lateral wall
Prior art date
Application number
AT90112637T
Other languages
English (en)
Inventor
Bruno Caoduro
Original Assignee
Ebara Corp
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 Ebara Corp filed Critical Ebara Corp
Application granted granted Critical
Publication of ATE145040T1 publication Critical patent/ATE145040T1/de

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21D26/00—Shaping without cutting otherwise than using rigid devices or tools or yieldable or resilient pads, i.e. applying fluid pressure or magnetic forces
    • B21D26/02—Shaping without cutting otherwise than using rigid devices or tools or yieldable or resilient pads, i.e. applying fluid pressure or magnetic forces by applying fluid pressure
    • B21D26/021—Deforming sheet bodies
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21D26/00—Shaping without cutting otherwise than using rigid devices or tools or yieldable or resilient pads, i.e. applying fluid pressure or magnetic forces
    • B21D26/02—Shaping without cutting otherwise than using rigid devices or tools or yieldable or resilient pads, i.e. applying fluid pressure or magnetic forces by applying fluid pressure
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04D—NON-POSITIVE-DISPLACEMENT PUMPS
    • F04D1/00—Radial-flow pumps, e.g. centrifugal pumps; Helico-centrifugal pumps
    • F04D1/06—Multi-stage pumps
    • F04D1/063—Multi-stage pumps of the vertically split casing type
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04D—NON-POSITIVE-DISPLACEMENT PUMPS
    • F04D29/00—Details, component parts, or accessories
    • F04D29/40—Casings; Connections of working fluid
    • F04D29/42—Casings; Connections of working fluid for radial or helico-centrifugal pumps
    • F04D29/426—Casings; Connections of working fluid for radial or helico-centrifugal pumps especially adapted for liquid pumps
    • F04D29/4266—Casings; Connections of working fluid for radial or helico-centrifugal pumps especially adapted for liquid pumps made of sheet metal
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04D—NON-POSITIVE-DISPLACEMENT PUMPS
    • F04D29/00—Details, component parts, or accessories
    • F04D29/40—Casings; Connections of working fluid
    • F04D29/42—Casings; Connections of working fluid for radial or helico-centrifugal pumps
    • F04D29/44—Fluid-guiding means, e.g. diffusers
    • F04D29/445—Fluid-guiding means, e.g. diffusers especially adapted for liquid pumps
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04D—NON-POSITIVE-DISPLACEMENT PUMPS
    • F04D9/00—Priming; Preventing vapour lock
    • F04D9/04—Priming; Preventing vapour lock using priming pumps; using booster pumps to prevent vapour-lock
    • F04D9/06—Priming; Preventing vapour lock using priming pumps; using booster pumps to prevent vapour-lock of jet type
    • 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
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T29/00—Metal working
    • Y10T29/49—Method of mechanical manufacture
    • Y10T29/49229—Prime mover or fluid pump making
    • Y10T29/49236—Fluid pump or compressor making
    • Y10T29/49243—Centrifugal type
    • 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
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T29/00—Metal working
    • Y10T29/49—Method of mechanical manufacture
    • Y10T29/49229—Prime mover or fluid pump making
    • Y10T29/49236—Fluid pump or compressor making
    • Y10T29/49245—Vane type or other rotary, e.g., fan

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • Structures Of Non-Positive Displacement Pumps (AREA)
  • Non-Positive Displacement Air Blowers (AREA)
AT90112637T 1989-07-05 1990-07-03 Gehäuse, insbesondere für radialkreiselpumpen und verfahren zu dessen herstellung ATE145040T1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
IT8985615A IT1234126B (it) 1989-07-05 1989-07-05 Cassa statorica, particolarmente per pompa radiale centrifuga, nonche' metodo per la sua realizzazione

Publications (1)

Publication Number Publication Date
ATE145040T1 true ATE145040T1 (de) 1996-11-15

Family

ID=11329026

Family Applications (1)

Application Number Title Priority Date Filing Date
AT90112637T ATE145040T1 (de) 1989-07-05 1990-07-03 Gehäuse, insbesondere für radialkreiselpumpen und verfahren zu dessen herstellung

Country Status (5)

Country Link
US (1) US5040946A (de)
EP (1) EP0406787B1 (de)
AT (1) ATE145040T1 (de)
DE (1) DE69029062T2 (de)
IT (1) IT1234126B (de)

Families Citing this family (23)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5235744A (en) * 1989-07-05 1993-08-17 Ebara Corporation Method of manufacturing a centrifugal pump casing
US5131142A (en) * 1990-10-30 1992-07-21 Carrier Corporation Method of making pipe diffuser structure
IT229263Y1 (it) * 1992-01-24 1998-07-02 Ebara Italia Pompa centrifuga autoadescante
US5494403A (en) * 1992-04-14 1996-02-27 Ebara Corporation Full-circumferential flow pump
US5402569A (en) * 1994-02-28 1995-04-04 Hypro Corporation Method of manufacturing a pump with a modular cam profile liner
US5888053A (en) * 1995-02-10 1999-03-30 Ebara Corporation Pump having first and second outer casing members
US5823739A (en) * 1996-07-03 1998-10-20 United Technologies Corporation Containment case for a turbine engine
IT1287367B1 (it) 1996-11-27 1998-08-04 Calpeda A Spa Dispositivo diffusore e convogliatore per pompa monogirante centrifuga autoadescante.
US6195889B1 (en) * 1998-06-10 2001-03-06 Tecumseh Products Company Method to set slot width in a rotary compressor
ES2161191B1 (es) * 2000-03-27 2002-07-01 Bogemar Sl Bomba centrifuga con hidroeyector.
ES2168205B1 (es) * 2000-03-27 2003-11-01 Bogemar Sl Bomba centrifuaga autoaspirante.
IT1317651B1 (it) 2000-05-19 2003-07-15 Nuovo Pignone Spa Cassa per compressori centrifughi e procedimento per la suarealizzazione
EP1766235B1 (de) * 2004-07-13 2017-04-19 Energy Recovery, Inc. Hydraulischer Turboverdichter
US20090246039A1 (en) * 2006-01-09 2009-10-01 Grundfos Pumps Corporation Carrier assembly for a pump
US8172523B2 (en) * 2006-10-10 2012-05-08 Grudfos Pumps Corporation Multistage pump assembly having removable cartridge
US7946810B2 (en) * 2006-10-10 2011-05-24 Grundfos Pumps Corporation Multistage pump assembly
US8245750B2 (en) 2008-02-11 2012-08-21 Rohr, Inc. Segmented mandrel for high temperature bonding of metallic axisymmetric shells having complex curvatures
US8584726B2 (en) * 2008-02-11 2013-11-19 Rohr, Inc. Tool and method for bonding layers of a metallic axisymmetric structure having complex curvatures
IT1398811B1 (it) 2010-03-18 2013-03-18 Calpeda A Spa Pompa multistadio a tenuta perfezionata
EP2505842B1 (de) * 2011-03-29 2019-12-25 Grundfos Management a/s Mehrstufiges kreiselpumpenaggregat
US9334876B2 (en) 2011-04-12 2016-05-10 Thermo Neslab Inc. Pump casing and related apparatus and methods
US9382034B2 (en) * 2012-05-15 2016-07-05 Silgan Containers Llc Strengthened food container and method
US8978922B2 (en) 2012-05-15 2015-03-17 Silgan Containers Llc Strengthened food container and method

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB191002385A (en) * 1910-01-31 1910-12-01 Ernst Vogel Improvements relating to Centrifugal Pumps or the like.
US2372917A (en) * 1941-07-01 1945-04-03 Tuttle Wainwright Apparatus for producing corrugated tubing
GB612664A (en) * 1946-05-29 1948-11-16 Nicolo Pensabene Improvements in or relating to centrifugal pumps
US2634685A (en) * 1949-02-17 1953-04-14 Buchi Alfred Improvement in the construction of outlet guide devices for centrifugal pumps or blowers
US2609775A (en) * 1949-06-14 1952-09-09 Production Tool & Die Co Inc Hydraulic die
US3289923A (en) * 1964-10-30 1966-12-06 American Air Filter Co Multi-stage pump
JPS5489970A (en) * 1977-12-27 1979-07-17 Tokyo Puresu Kougiyou Kk Buldge molding
DD145944A1 (de) * 1979-09-07 1981-01-14 Friedbert Boekel Leit-und rueckfuehreinrichtung fue mehrstufige kreiselpumpen
US4513598A (en) * 1982-01-27 1985-04-30 Costabile John J Method and apparatus for producing a bulge in thin metal material
DE3716176A1 (de) * 1987-05-14 1988-09-08 Praezisions Werkzeuge Ag Verfahren und vorrichtung zum umformen von hohlkoerpern sowie verwendung des verfahrens bzw. der vorrichtung und dosenkoerper
ES2047161T3 (es) * 1989-01-19 1994-02-16 Ebara Corp Carcasa de bomba.

Also Published As

Publication number Publication date
IT8985615A0 (it) 1989-07-05
EP0406787A3 (en) 1991-06-26
DE69029062D1 (de) 1996-12-12
EP0406787B1 (de) 1996-11-06
DE69029062T2 (de) 1997-03-06
US5040946A (en) 1991-08-20
EP0406787A2 (de) 1991-01-09
IT1234126B (it) 1992-04-29

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Legal Events

Date Code Title Description
RER Ceased as to paragraph 5 lit. 3 law introducing patent treaties