ATE139825T1 - Rohrweiche für eine zweizylinder dickstoffpumpe - Google Patents

Rohrweiche für eine zweizylinder dickstoffpumpe

Info

Publication number
ATE139825T1
ATE139825T1 AT93907854T AT93907854T ATE139825T1 AT E139825 T1 ATE139825 T1 AT E139825T1 AT 93907854 T AT93907854 T AT 93907854T AT 93907854 T AT93907854 T AT 93907854T AT E139825 T1 ATE139825 T1 AT E139825T1
Authority
AT
Austria
Prior art keywords
swing pipe
wearing ring
elastic member
annular space
extension portion
Prior art date
Application number
AT93907854T
Other languages
English (en)
Inventor
Karl Schlecht
Hartmut Benckert
Original Assignee
Putzmeister Maschf
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
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=27130069&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=ATE139825(T1) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Putzmeister Maschf filed Critical Putzmeister Maschf
Application granted granted Critical
Publication of ATE139825T1 publication Critical patent/ATE139825T1/de

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
    • F04B7/00—Piston machines or pumps characterised by having positively-driven valving
    • F04B7/0084—Component parts or details specially adapted therefor
    • F04B7/0088—Sealing arrangements between the distribution members and the housing
    • F04B7/0096—Sealing arrangements between the distribution members and the housing for pipe-type distribution members
    • 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
    • F04B15/00—Pumps adapted to handle specific fluids, e.g. by selection of specific materials for pumps or pump parts
    • F04B15/02—Pumps adapted to handle specific fluids, e.g. by selection of specific materials for pumps or pump parts the fluids being viscous or non-homogeneous
    • F04B15/023—Pumps adapted to handle specific fluids, e.g. by selection of specific materials for pumps or pump parts the fluids being viscous or non-homogeneous supply of fluid to the pump by gravity through a hopper, e.g. without intake valve
    • 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
    • F04B17/00—Pumps characterised by combination with, or adaptation to, specific driving engines or motors
    • 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
    • F04B7/00—Piston machines or pumps characterised by having positively-driven valving
    • F04B7/0084—Component parts or details specially adapted therefor
    • F04B7/0088—Sealing arrangements between the distribution members and the housing
    • 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
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S417/00—Pumps
    • Y10S417/90—Slurry pumps, e.g. concrete
AT93907854T 1992-08-25 1993-03-30 Rohrweiche für eine zweizylinder dickstoffpumpe ATE139825T1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US93506392A 1992-08-25 1992-08-25
US07/940,557 US5302094A (en) 1988-07-19 1992-09-04 Tube switch for a double-cylinder sludge pump

Publications (1)

Publication Number Publication Date
ATE139825T1 true ATE139825T1 (de) 1996-07-15

Family

ID=27130069

Family Applications (1)

Application Number Title Priority Date Filing Date
AT93907854T ATE139825T1 (de) 1992-08-25 1993-03-30 Rohrweiche für eine zweizylinder dickstoffpumpe

Country Status (10)

Country Link
US (1) US5302094A (de)
EP (1) EP0656995B1 (de)
JP (1) JP3289780B2 (de)
KR (1) KR100282114B1 (de)
AT (1) ATE139825T1 (de)
AU (1) AU664266B2 (de)
CA (1) CA2136611A1 (de)
DE (1) DE69303376C5 (de)
ES (1) ES2089811T3 (de)
WO (1) WO1994004821A1 (de)

Families Citing this family (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2002502939A (ja) * 1998-02-04 2002-01-29 プッツマイスター アクチエンゲゼルシャフト ２シリンダ型粘性物質ポンプ用の管切換器
US6857861B2 (en) 2002-05-15 2005-02-22 Kennametal Inc. Ring for concrete pump
US6821097B2 (en) * 2002-10-11 2004-11-23 Reinert Manufacturing Co. Concrete pump with S-tube valve assembly with wear ring-spring-retainer ring construction
DE102004015181A1 (de) * 2004-03-25 2005-10-13 Putzmeister Ag Materialaufgabebehälter für eine Dickstoffpumpe
GB2416569A (en) * 2004-07-27 2006-02-01 Clarke Uk Ltd Method of and a pump for pumping drill cuttings
US20060193738A1 (en) * 2005-02-26 2006-08-31 Friedrich Schwing Pump apparatus and method for continuously conveying a viscous material
DE102005008938B4 (de) * 2005-02-26 2007-01-25 Schwing, Friedrich, Dipl.-Ing. Pumpvorrichtung und Verfahren zur kontinuierlichen Förderung breiiger Massen
DE102005024174A1 (de) * 2005-05-23 2006-12-07 Schwing, Friedrich, Dipl.-Ing. Verfahren zum Steuern einer Pumpvorrichtung zur Förderung breiiger Massen sowie Steuerung einer Pumpvorrichtung zur Förderung breiiger Massen
CN102606442B (zh) * 2012-03-21 2015-06-10 三一重工股份有限公司 一种泵送泥浆状物料,尤其是混凝土的活塞泵及混凝土泵
DE102013215990A1 (de) * 2013-08-13 2015-02-19 Putzmeister Engineering Gmbh Zweizylinder-Dickstoffpumpe mit Rohrweiche
DE102018119973A1 (de) * 2018-08-16 2020-02-20 Putzmeister Engineering Gmbh Schwenkrohr für Zweizylinder-Dickstoffpumpen

Family Cites Families (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2415276C2 (de) * 1974-03-29 1976-11-11 Friedrich Schwing Pumpe zum Fördern von Dickstoffen, insbesondere Beton
US3963385A (en) * 1975-05-05 1976-06-15 Caban Angel M Valve assembly for concrete pumps
DE2632816C2 (de) * 1976-07-21 1982-07-29 Friedrich Wilh. Schwing Gmbh, 4690 Herne Abdichtvorrichtung für eine Doppelzylinderpumpe, insbesondere für die Förderung von Beton
US4198193A (en) * 1978-05-12 1980-04-15 Walters James F Automatic wear compensation apparatus for concrete pumping hopper apparatus
DE2903749C2 (de) * 1979-02-01 1983-11-10 Karl Dipl.-Ing. 7000 Stuttgart Schlecht Kolbenpumpe mit S-förmig gekrümmtem Schwenkrohr
DE2921735A1 (de) * 1979-05-29 1980-12-04 Teka Baumaschinen Gmbh Vorrichtung zum dichten einer betonpumpe
DE2933128C2 (de) * 1979-08-16 1985-09-26 Friedrich Wilh. Schwing Gmbh, 4690 Herne Dickstoffpumpe, insbesondere zur Förderung von Beton
DE3042930A1 (de) * 1980-11-14 1982-07-08 Stetter Gmbh, 8940 Memmingen Rohrweiche fuer betonpumpen
DE3153268C2 (en) * 1981-01-31 1988-01-28 Friedrich Wilh. Schwing Gmbh, 4690 Herne, De Two-cylinder viscous-material pump, preferably concrete pump
DE3410211A1 (de) * 1984-03-20 1985-10-03 Gerhard Dr. 7900 Ulm Hudelmaier Vorrichtung zum dichten einer betonpumpe
US4613290A (en) * 1984-04-23 1986-09-23 Lefco Western, Inc. Evacuated pumping system
DE3419832A1 (de) * 1984-05-26 1985-11-28 Karl Dipl.-Ing. 7000 Stuttgart Schlecht Rohrweiche einer dickstoff, insbesondere beton foerdernden doppelkolbenpumpe
US5037275A (en) * 1987-06-27 1991-08-06 Karl Schlecht Pipe junction switch for two-cylinder thick-material pump
DE3905355C2 (de) * 1989-02-22 1994-06-23 Schlecht Karl Rohrweiche für Zweizylinder-Dickstoffpumpen
DE3824466A1 (de) * 1988-07-19 1990-01-25 Putzmeister Maschf Mehrzylinder-dickstoffpumpe
CA2007977C (en) * 1990-01-17 1996-04-23 Rene Letarte Sludge pump

Also Published As

Publication number Publication date
EP0656995B1 (de) 1996-06-26
JPH08502800A (ja) 1996-03-26
EP0656995A1 (de) 1995-06-14
JP3289780B2 (ja) 2002-06-10
AU3890593A (en) 1994-03-15
WO1994004821A1 (en) 1994-03-03
US5302094A (en) 1994-04-12
AU664266B2 (en) 1995-11-09
DE69303376T2 (de) 1996-10-31
ES2089811T3 (es) 1996-10-01
CA2136611A1 (en) 1994-03-03
DE69303376C5 (de) 2006-01-26
KR100282114B1 (ko) 2001-05-02
DE69303376D1 (de) 1996-08-01

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Legal Events

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