DE69405614D1 - Schraubenpumpe mit konischen logarithmischen Spiralen - Google Patents

Schraubenpumpe mit konischen logarithmischen Spiralen

Info

Publication number
DE69405614D1
DE69405614D1 DE69405614T DE69405614T DE69405614D1 DE 69405614 D1 DE69405614 D1 DE 69405614D1 DE 69405614 T DE69405614 T DE 69405614T DE 69405614 T DE69405614 T DE 69405614T DE 69405614 D1 DE69405614 D1 DE 69405614D1
Authority
DE
Germany
Prior art keywords
screw pump
conical log
spirals
log spirals
conical
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
DE69405614T
Other languages
English (en)
Other versions
DE69405614T2 (de
Inventor
John Sam Batchelder
Shawn Anthony Hall Hall
Robert Russell Jackson
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.)
Stratasys Inc
Original Assignee
Stratasys Inc
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 Stratasys Inc filed Critical Stratasys Inc
Publication of DE69405614D1 publication Critical patent/DE69405614D1/de
Application granted granted Critical
Publication of DE69405614T2 publication Critical patent/DE69405614T2/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
    • F04D29/00—Details, component parts, or accessories
    • F04D29/18—Rotors
    • F04D29/181—Axial flow rotors
    • F04D29/183—Semi axial flow rotors
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
    • B29C48/25—Component parts, details or accessories; Auxiliary operations
    • B29C48/36—Means for plasticising or homogenising the moulding material or forcing it through the nozzle or die
    • B29C48/395—Means for plasticising or homogenising the moulding material or forcing it through the nozzle or die using screws surrounded by a cooperating barrel, e.g. single screw extruders
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
    • B29C48/25—Component parts, details or accessories; Auxiliary operations
    • B29C48/36—Means for plasticising or homogenising the moulding material or forcing it through the nozzle or die
    • B29C48/50—Details of extruders
    • B29C48/505—Screws
    • B29C48/52—Screws with an outer diameter varying along the longitudinal axis, e.g. for obtaining different thread clearance
    • B29C48/525—Conical screws
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04D—NON-POSITIVE-DISPLACEMENT PUMPS
    • F04D3/00—Axial-flow pumps
    • F04D3/02—Axial-flow pumps of screw type
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
    • B29C45/17—Component parts, details or accessories; Auxiliary operations
    • B29C45/46—Means for plasticising or homogenising the moulding material or forcing it into the mould
    • B29C2045/465—Means for plasticising or homogenising the moulding material or forcing it into the mould using pumps for injecting the material into the mould
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
    • B29C48/03—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor characterised by the shape of the extruded material at extrusion
    • B29C48/05—Filamentary, e.g. strands
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
    • B29C48/03—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor characterised by the shape of the extruded material at extrusion
    • B29C48/09—Articles with cross-sections having partially or fully enclosed cavities, e.g. pipes or channels
    • 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
    • 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
DE69405614T 1993-03-12 1994-02-14 Schraubenpumpe mit konischen logarithmischen Spiralen Expired - Lifetime DE69405614T2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US08/030,984 US5312224A (en) 1993-03-12 1993-03-12 Conical logarithmic spiral viscosity pump

Publications (2)

Publication Number Publication Date
DE69405614D1 true DE69405614D1 (de) 1997-10-23
DE69405614T2 DE69405614T2 (de) 1998-02-05

Family

ID=21857019

Family Applications (2)

Application Number Title Priority Date Filing Date
DE69405614T Expired - Lifetime DE69405614T2 (de) 1993-03-12 1994-02-14 Schraubenpumpe mit konischen logarithmischen Spiralen
DE0615068T Pending DE615068T1 (de) 1993-03-12 1994-02-14 Schraubenpumpe mit konischen logarithmischen Spiralen.

Family Applications After (1)

Application Number Title Priority Date Filing Date
DE0615068T Pending DE615068T1 (de) 1993-03-12 1994-02-14 Schraubenpumpe mit konischen logarithmischen Spiralen.

Country Status (6)

Country Link
US (1) US5312224A (de)
EP (1) EP0615068B1 (de)
JP (1) JP2634376B2 (de)
KR (1) KR0136963B1 (de)
CA (1) CA2102881A1 (de)
DE (2) DE69405614T2 (de)

Families Citing this family (102)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5855836A (en) * 1995-09-27 1999-01-05 3D Systems, Inc. Method for selective deposition modeling
US6305769B1 (en) 1995-09-27 2001-10-23 3D Systems, Inc. Selective deposition modeling system and method
US5764521A (en) * 1995-11-13 1998-06-09 Stratasys Inc. Method and apparatus for solid prototyping
DE19808311B4 (de) * 1998-02-27 2007-11-08 Armin Stelzig Einrichtung zur Aufladung von Verbrennungsmotoren mit einem Verdichtergebläse
US7754807B2 (en) * 1999-04-20 2010-07-13 Stratasys, Inc. Soluble material and process for three-dimensional modeling
US7314591B2 (en) 2001-05-11 2008-01-01 Stratasys, Inc. Method for three-dimensional modeling
US6776602B2 (en) * 1999-04-20 2004-08-17 Stratasys, Inc. Filament cassette and loading system
US6595753B1 (en) * 1999-05-21 2003-07-22 A. Vortex Holding Company Vortex attractor
US6722872B1 (en) * 1999-06-23 2004-04-20 Stratasys, Inc. High temperature modeling apparatus
US6367247B1 (en) * 2000-05-25 2002-04-09 Don M. Yancey Air engine
CA2471816C (en) * 2002-01-03 2011-04-19 Pax Scientific, Inc. Vortex ring generator
AUPR982302A0 (en) * 2002-01-03 2002-01-31 Pax Fluid Systems Inc. A fluid flow controller
AUPR982502A0 (en) * 2002-01-03 2002-01-31 Pax Fluid Systems Inc. A heat exchanger
KR200318618Y1 (ko) * 2003-04-17 2003-06-28 박행제 진공 양수기
AU2003903386A0 (en) * 2003-07-02 2003-07-17 Pax Scientific, Inc Fluid flow control device
EA008030B1 (ru) * 2003-11-04 2007-02-27 Пакс Сайентифик, Инк. Устройство для циркуляции текучей среды
CN1985093A (zh) * 2004-01-30 2007-06-20 百思科技公司 用于离心通风机、泵或涡轮机的机罩
EA009581B1 (ru) 2004-01-30 2008-02-28 Пакс Сайентифик, Инк. Корпус для центрифугальных вентиляторов, насосов или турбин
US7625198B2 (en) 2004-08-11 2009-12-01 Cornell Research Foundation, Inc. Modular fabrication systems and methods
DE102004050810A1 (de) * 2004-10-15 2006-04-20 Matthias Henke Einwellige, kontinuierlich arbeitende Misch- und Knetmaschine
US7236166B2 (en) * 2005-01-18 2007-06-26 Stratasys, Inc. High-resolution rapid manufacturing
US7341214B2 (en) * 2005-06-30 2008-03-11 Stratasys, Inc. Cassette spool lock
US7384255B2 (en) * 2005-07-01 2008-06-10 Stratasys, Inc. Rapid prototyping system with controlled material feedstock
US7604470B2 (en) * 2006-04-03 2009-10-20 Stratasys, Inc. Single-motor extrusion head having multiple extrusion lines
WO2008042251A2 (en) 2006-09-29 2008-04-10 Pax Streamline, Inc. Axial flow fan
WO2008100467A1 (en) * 2007-02-12 2008-08-21 Stratasys, Inc. Viscosity pump for extrusion-based deposition systems
WO2008118263A1 (en) * 2007-03-22 2008-10-02 Stratasys, Inc. Extrusion-based layered deposition systems using selective radiation exposure
US7625200B2 (en) * 2007-07-31 2009-12-01 Stratasys, Inc. Extrusion head for use in extrusion-based layered deposition modeling
US8215371B2 (en) * 2008-04-18 2012-07-10 Stratasys, Inc. Digital manufacturing with amorphous metallic alloys
US7896209B2 (en) * 2008-04-30 2011-03-01 Stratasys, Inc. Filament drive mechanism for use in extrusion-based digital manufacturing systems
US7897074B2 (en) * 2008-04-30 2011-03-01 Stratasys, Inc. Liquefier assembly for use in extrusion-based digital manufacturing systems
US20090308472A1 (en) * 2008-06-15 2009-12-17 Jayden David Harman Swirl Inducer
US7942987B2 (en) * 2008-06-24 2011-05-17 Stratasys, Inc. System and method for building three-dimensional objects with metal-based alloys
US20100161105A1 (en) * 2008-12-22 2010-06-24 Stratasys, Inc. Combined process for building three-dimensional models
US8245757B2 (en) * 2009-02-02 2012-08-21 Stratasys, Inc. Inorganic ionic support materials for digital manufacturing systems
EP2445701B1 (de) * 2009-06-23 2017-02-01 Stratasys, Inc. Verschleissmaterilaien mit personalisierten eigenschaften
US8439665B2 (en) 2009-09-30 2013-05-14 Stratasys, Inc. Ribbon liquefier for use in extrusion-based digital manufacturing systems
US8236227B2 (en) * 2009-09-30 2012-08-07 Stratasys, Inc. Method for building three-dimensional models in extrusion-based digital manufacturing systems using tracked filaments
US8221669B2 (en) 2009-09-30 2012-07-17 Stratasys, Inc. Method for building three-dimensional models in extrusion-based digital manufacturing systems using ribbon filaments
EP2501535B1 (de) 2009-11-19 2017-11-15 Stratasys, Inc. Codierte verbrauchsfilamente zur verwendung in systemen zur generativen herstellung
US20110117268A1 (en) * 2009-11-19 2011-05-19 Stratasys, Inc. Consumable materials having encoded markings for use with direct digital manufacturing systems
EP2545343A2 (de) * 2010-03-11 2013-01-16 Stratasys, Inc. Optischer kodierer
US9022769B2 (en) 2010-07-22 2015-05-05 Stratasys, Inc. Multiple-zone liquefier assembly for extrusion-based additive manufacturing systems
US8815141B2 (en) 2010-09-22 2014-08-26 Stratasys, Inc. Method for building three-dimensional models with extrusion-based additive manufacturing systems
US8647098B2 (en) 2010-09-22 2014-02-11 Stratasys, Inc. Liquefier assembly for use in extrusion-based additive manufacturing systems
WO2012088257A1 (en) 2010-12-22 2012-06-28 Stratasys, Inc. Print head assembly and print head for use in fused deposition modeling system
US8465111B2 (en) 2010-12-22 2013-06-18 Stratasys, Inc. Print head for use in fused deposition modeling system
US9238329B2 (en) 2010-12-22 2016-01-19 Stratasys, Inc. Voice coil mechanism for use in additive manufacturing system
US8419996B2 (en) 2010-12-22 2013-04-16 Stratasys, Inc. Print head assembly for use in fused deposition modeling system
US8663533B2 (en) 2010-12-22 2014-03-04 Stratasys, Inc. Method of using print head assembly in fused deposition modeling system
US8986767B2 (en) 2011-03-30 2015-03-24 Stratsys, Inc. Additive manufacturing system and method with interchangeable cartridges for printing customized chocolate confections
US9215882B2 (en) 2011-03-30 2015-12-22 Stratasys, Inc. Additive manufacturing system and method for printing customized chocolate confections
US9108360B2 (en) 2011-09-23 2015-08-18 Stratasys, Inc. Gantry assembly for use in additive manufacturing system
US9321608B2 (en) 2011-12-22 2016-04-26 Stratasys, Inc. Spool assembly with locking mechanism for additive manufacturing system, and methods of use thereof
US9050788B2 (en) 2011-12-22 2015-06-09 Stratasys, Inc. Universal adapter for consumable assembly used with additive manufacturing system
US8985497B2 (en) 2011-12-22 2015-03-24 Stratasys, Inc. Consumable assembly with payout tube for additive manufacturing system
US9073263B2 (en) 2011-12-22 2015-07-07 Stratasys, Inc. Spool assembly for additive manufacturing system, and methods of manufacture and use thereof
FR2984969B1 (fr) * 2011-12-26 2015-05-01 Eltrova Dispositif d'entrainement de fluide
US9050753B2 (en) 2012-03-16 2015-06-09 Stratasys, Inc. Liquefier assembly having inlet liner for use in additive manufacturing system
US9205690B2 (en) 2012-03-16 2015-12-08 Stratasys, Inc. Automated calibration method for additive manufacturing system, and method of use thereof
US8955558B2 (en) 2012-06-18 2015-02-17 Stratasys, Inc. Hopper valve for extrusion-based additive manufacturing systems, and methods of use thereof
US11020899B2 (en) 2012-08-16 2021-06-01 Stratasys, Inc. Additive manufacturing system with extended printing volume, and methods of use thereof
US9327350B2 (en) 2012-08-16 2016-05-03 Stratasys, Inc. Additive manufacturing technique for printing three-dimensional parts with printed receiving surfaces
US9174388B2 (en) 2012-08-16 2015-11-03 Stratasys, Inc. Draw control for extrusion-based additive manufacturing systems
US9168697B2 (en) 2012-08-16 2015-10-27 Stratasys, Inc. Additive manufacturing system with extended printing volume, and methods of use thereof
US10029415B2 (en) 2012-08-16 2018-07-24 Stratasys, Inc. Print head nozzle for use with additive manufacturing system
US9636868B2 (en) 2012-08-16 2017-05-02 Stratasys, Inc. Additive manufacturing system with extended printing volume, and methods of use thereof
US9511547B2 (en) 2012-08-16 2016-12-06 Stratasys, Inc. Method for printing three-dimensional parts with additive manufacturing systems using scaffolds
US9090428B2 (en) 2012-12-07 2015-07-28 Stratasys, Inc. Coil assembly having permeable hub
US9233506B2 (en) 2012-12-07 2016-01-12 Stratasys, Inc. Liquefier assembly for use in additive manufacturing system
US9321609B2 (en) 2012-12-07 2016-04-26 Stratasys, Inc. Filament drive mechanism for use in additive manufacturing system
US9216544B2 (en) 2012-12-21 2015-12-22 Stratasys, Inc. Automated additive manufacturing system for printing three-dimensional parts, printing farm thereof, and method of use thereof
US8961167B2 (en) 2012-12-21 2015-02-24 Stratasys, Inc. Automated additive manufacturing system for printing three-dimensional parts, printing farm thereof, and method of use thereof
US9421713B2 (en) 2013-03-08 2016-08-23 Stratasys, Inc. Additive manufacturing method for printing three-dimensional parts with purge towers
US9399320B2 (en) 2013-03-08 2016-07-26 Stratasys, Inc. Three-dimensional parts having interconnected hollow patterns, and method for generating and printing thereof
US10093039B2 (en) 2013-03-08 2018-10-09 Stratasys, Inc. Three-dimensional parts having interconnected Hollow patterns, method of manufacturing and method of producing composite part
KR101419883B1 (ko) * 2013-03-11 2014-07-17 송을수 직렬 연결식 다단 수중 모터 펌프
US9527240B2 (en) 2013-03-15 2016-12-27 Stratasys, Inc. Additive manufacturing system and method for printing three-dimensional parts using velocimetry
US9802360B2 (en) 2013-06-04 2017-10-31 Stratsys, Inc. Platen planarizing process for additive manufacturing system
US9950474B2 (en) 2013-09-13 2018-04-24 Statasys, Inc. Additive manufacturing system and process with precision substractive technique
US10201931B2 (en) 2013-10-04 2019-02-12 Stratasys, Inc. Additive manufacturing system and process with material flow feedback control
US10086564B2 (en) 2013-10-04 2018-10-02 Stratsys, Inc. Additive manufacturing process with dynamic heat flow control
US10131131B2 (en) 2013-10-04 2018-11-20 Stratasys, Inc. Liquefier assembly with multiple-zone plate heater assembly
US9327447B2 (en) 2013-10-04 2016-05-03 Stratasys, Inc. Liquefier assembly for additive manufacturing systems, and methods of use thereof
US9744730B2 (en) 2013-11-22 2017-08-29 Stratasys, Inc. Magnetic platen assembly for additive manufacturing system
MX2017001588A (es) * 2014-08-06 2017-09-01 Flow Control LLC Impulsor con extensiones de paleta que se curvan axialmente para evitar bloqueo por burbujas de aire.
US9694545B2 (en) 2014-12-18 2017-07-04 Stratasys, Inc. Remotely-adjustable purge station for use in additive manufacturing systems
US9610733B2 (en) 2015-01-06 2017-04-04 Stratasys, Inc. Additive manufacturing with soluble build sheet and part marking
US20160361763A1 (en) 2015-06-15 2016-12-15 Stratasys, Inc. Magnetically throttled liquefier assembly
US10399326B2 (en) 2015-10-30 2019-09-03 Stratasys, Inc. In-situ part position measurement
WO2017075396A1 (en) * 2015-10-30 2017-05-04 Stratasys, Inc. Viscosity pump with fill and flow control and method thereof
NL2016590B1 (nl) * 2016-04-12 2017-11-01 Van Langh Holding B V Koelsysteem en verspaaninrichting.
JP2018122478A (ja) * 2017-01-31 2018-08-09 株式会社神戸製鋼所 スクリュ式押出機
USD888115S1 (en) 2017-03-16 2020-06-23 Stratasys, Inc. Nozzle
IT201700052877A1 (it) 2017-05-16 2018-11-16 Starfort Des Stubenruss Moritz Una testa di stampante a 3D per l'impiego in una stampante 3D con una testa di stampante 3D di questo tipo, un procedimento per il funzionamento di una stampante 3D di questo tipo e prodotto stampato realizzato con una stampante 3D di questo tipo
WO2018218060A2 (en) 2017-05-25 2018-11-29 Tdbt Ip Inc. Aseptic printer system including dual-arm mechanism
US10500788B2 (en) * 2017-11-07 2019-12-10 Thermwood Corporation Apparatus and methods for additive manufacturing at ambient temperature
CN209869406U (zh) 2017-12-29 2019-12-31 斯特塔思有限公司 具有扩展的打印体积的增材制造系统
JP2020001176A (ja) * 2018-06-25 2020-01-09 株式会社神戸製鋼所 スクリュ式押出機
US11247387B2 (en) 2018-08-30 2022-02-15 Stratasys, Inc. Additive manufacturing system with platen having vacuum and air bearing
WO2022098428A1 (en) * 2020-11-04 2022-05-12 Bowman John Lloyd A boundary-layer pump and method of use
US11858214B2 (en) 2021-04-02 2024-01-02 Stratasys, Inc. 3D printer with self-supporting thermal isolator

Family Cites Families (31)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1369382A (en) * 1920-01-19 1921-02-22 Booker Clarence Aloy Fluid-pump
US1448079A (en) * 1920-07-08 1923-03-13 Noeggerath Jacob Emil Viscosity pump
US1448080A (en) * 1920-07-08 1923-03-13 Noeggerath Jacob Emil Pumping body for viscosity pumps with curved pumping grooves
US1810083A (en) * 1927-11-30 1931-06-16 Norinder Ernst Harald High vacuum molecular pump
FR971346A (fr) * 1940-02-03 1951-01-16 Rotor spiroïdal
FR1414025A (fr) * 1964-09-03 1965-10-15 Loire Atel Forges Perfectionnements aux machines à extruder
US3298314A (en) * 1965-01-29 1967-01-17 John F Kopczynski Fluid moving device
US3572646A (en) * 1967-04-17 1971-03-30 Heinz Kocher Apparatus for transforming and mixing deformable media
JPS4530141Y1 (de) * 1967-05-18 1970-11-18
US3645659A (en) * 1969-03-13 1972-02-29 Gloucester Eng Co Inc Extruding plastic
US3697190A (en) * 1970-11-03 1972-10-10 Walter D Haentjens Truncated conical drag pump
BE795042A (fr) * 1972-02-08 1973-08-06 Philips Nv Dispositif d'extrusion hydrodynamique
DE2446420C2 (de) * 1974-09-28 1982-07-15 Krauss-Maffei AG, 8000 München Schneckenstrangpresse zum Verarbeiten von Kunststoffen
CH614401A5 (de) * 1975-10-24 1979-11-30 Toyo Soda Mfg Co Ltd
JPS53101104A (en) * 1977-02-16 1978-09-04 Mitsubishi Electric Corp Screw type axial-flow pump
FR2409406A1 (fr) * 1977-11-22 1979-06-15 Air Liquide Procede de realisation des etancheites interne et de sortie d'arbre d'une pompe et pompe mettant en oeuvre ce procede
JPS55166234A (en) * 1979-06-12 1980-12-25 Kobe Steel Ltd Noncontact type extruding machine with roller die
JPS5932600B2 (ja) * 1979-10-31 1984-08-09 王子製紙株式会社 導電性紙の製造法
FR2478222A1 (fr) * 1980-03-13 1981-09-18 Mecanique Metallurgie Ste Gle Perfectionnements apportes aux installations pour le transport de produits pateux a grande viscosite
US4357291A (en) * 1980-08-28 1982-11-02 Union Carbide Corporation Double metering extruder screw and method of extrusion
US4329313A (en) * 1980-11-12 1982-05-11 Union Carbide Corporation Apparatus and method for extruding ethylene polymers
US4632795A (en) * 1982-11-26 1986-12-30 Wenger Manufacturing, Inc. Method and apparatus for extrusion processing of cellulose bearing materials
US4462692A (en) * 1982-11-27 1984-07-31 Frenkel C-D Aktiengesellschaft Screw extruders
JPS6017455A (ja) * 1983-07-11 1985-01-29 Ricoh Co Ltd モ−ド選択可能な多モ−ド複写機
JPS60108589A (ja) * 1983-11-15 1985-06-14 Yuukou Shoji Kk 移送，圧送，並びに吸引装置
DE3414375A1 (de) * 1984-04-16 1985-10-17 Veb Kombinat Nagema, Ddr 8045 Dresden Meser zum zerkleinern von tierischen rohstoffen, vorzugsweise in fleischwoelfen
JPS61206715A (ja) * 1985-03-08 1986-09-13 Hitachi Zosen Corp 粉体圧送用スクリユウフイ−ダ
US4749347A (en) * 1985-08-29 1988-06-07 Viljo Valavaara Topology fabrication apparatus
DE3617495C2 (de) * 1986-05-24 1996-04-11 Schnell Maschfab Karl Fördervorrichtung insbesondere für steife Massen
DE3835250C1 (de) * 1988-10-15 1990-05-10 Heinrich Koch Plastmaschinen Gmbh & Co Kg, 5200 Siegburg, De
FR2641582B1 (fr) * 1989-01-09 1991-03-22 Cit Alcatel Pompe a vide du type a canal de gaede

Also Published As

Publication number Publication date
KR940021939A (ko) 1994-10-19
US5312224A (en) 1994-05-17
DE615068T1 (de) 1996-10-10
JP2634376B2 (ja) 1997-07-23
JPH06307351A (ja) 1994-11-01
DE69405614T2 (de) 1998-02-05
CA2102881A1 (en) 1994-09-13
EP0615068A1 (de) 1994-09-14
KR0136963B1 (ko) 1998-07-01
EP0615068B1 (de) 1997-09-17

Similar Documents

Publication Publication Date Title
DE69405614D1 (de) Schraubenpumpe mit konischen logarithmischen Spiralen
DK0553907T3 (da) Gevinddannende skrue.
DE69308484T2 (de) Schraube mit Ausnehmung
DE69506560T2 (de) Schneckenförderer mit mehreren konzentrischen schneckengängen
DE68904880T3 (de) Bohrschraube.
IT1230419B (it) Complesso di vite prigioniero.
DE68921561T2 (de) Schraubenverdichter.
DK0761969T3 (da) Skruepumpe
DE69402206D1 (de) Kreiselpumpe mit auslaufstufe
DE59201084D1 (de) Schneckenextruder mit Austragspumpe.
DE69113788D1 (de) Zugentlastungsmuffe mit schraube.
DE69103090T2 (de) Schraubengewindekonstruktion.
DE69110406T2 (de) Schraubenpumpe.
DE59406660D1 (de) Einwellenschnecke mit Zahnradpumpe
DE59204156D1 (de) Schraube.
DE9314006U1 (de) Bohrschraube
DE9317216U1 (de) Faßpumpe
DE9416551U1 (de) Kreiselpumpe mit Verschraubung
SE9303430L (sv) Skruvpump
FI940047A0 (fi) Syöttöpumppu
DE9317008U1 (de) Schraube
DE29511884U1 (de) Kombination Pumpe-Preßschneckenabscheider
DE9314824U1 (de) Schraubverbindung
DE9310862U1 (de) Pumpenaggregat
DE69101917D1 (de) Schraubenpumpe.

Legal Events

Date Code Title Description
8364 No opposition during term of opposition