DE69303376D1 - Rohrweiche für eine zweizylinder dickstoffpumpe - Google Patents

Rohrweiche für eine zweizylinder dickstoffpumpe

Info

Publication number
DE69303376D1
DE69303376D1 DE69303376T DE69303376T DE69303376D1 DE 69303376 D1 DE69303376 D1 DE 69303376D1 DE 69303376 T DE69303376 T DE 69303376T DE 69303376 T DE69303376 T DE 69303376T DE 69303376 D1 DE69303376 D1 DE 69303376D1
Authority
DE
Germany
Prior art keywords
swing pipe
wearing ring
elastic member
annular space
extension portion
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 - Fee Related
Application number
DE69303376T
Other languages
English (en)
Other versions
DE69303376C5 (de
DE69303376T2 (de
Inventor
Karl Schlecht
Hartmut Benckert
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.)
Putzmeister Concrete Pumps GmbH
Original Assignee
Putzmeister-Werk Maschinenfabrik 72631 Aichtal De GmbH
Putzmeister Werk Maschinenfabrik GmbH
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=DE69303376(D1) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Putzmeister-Werk Maschinenfabrik 72631 Aichtal De GmbH, Putzmeister Werk Maschinenfabrik GmbH filed Critical Putzmeister-Werk Maschinenfabrik 72631 Aichtal De GmbH
Publication of DE69303376D1 publication Critical patent/DE69303376D1/de
Application granted granted Critical
Publication of DE69303376T2 publication Critical patent/DE69303376T2/de
Publication of DE69303376C5 publication Critical patent/DE69303376C5/de
Anticipated expiration legal-status Critical
Expired - Fee Related 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
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Reciprocating Pumps (AREA)
  • Fuel-Injection Apparatus (AREA)
  • Feeding And Controlling Fuel (AREA)
  • Joints Allowing Movement (AREA)
DE69303376T 1992-08-25 1993-03-30 Rohrweiche für eine zweizylinder dickstoffpumpe Expired - Fee Related DE69303376C5 (de)

Applications Claiming Priority (5)

Application Number Priority Date Filing Date Title
US93506392A 1992-08-25 1992-08-25
US935063 1992-08-25
US940557 1992-09-04
US07/940,557 US5302094A (en) 1988-07-19 1992-09-04 Tube switch for a double-cylinder sludge pump
PCT/EP1993/000765 WO1994004821A1 (en) 1992-08-25 1993-03-30 Tube switch for a double-cylinder sludge pump

Publications (3)

Publication Number Publication Date
DE69303376D1 true DE69303376D1 (de) 1996-08-01
DE69303376T2 DE69303376T2 (de) 1996-10-31
DE69303376C5 DE69303376C5 (de) 2006-01-26

Family

ID=27130069

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69303376T Expired - Fee Related DE69303376C5 (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
EP1053401B1 (de) * 1998-02-04 2003-04-09 PUTZMEISTER Aktiengesellschaft Rohrweiche für zweizylinder-dickstoffpumpe
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
DE3103321A1 (de) * 1981-01-31 1982-08-12 Friedrich Wilh. Schwing Gmbh, 4690 Herne "zweizylinder-dickstoffpumpe, vorzugsweise betonpumpe mit einem von einer zylinderseitigen brillenplatte abwechselnd schwenkenden schaltorgan"
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
DE69303376C5 (de) 2006-01-26
KR100282114B1 (ko) 2001-05-02
US5302094A (en) 1994-04-12
AU3890593A (en) 1994-03-15
ATE139825T1 (de) 1996-07-15
EP0656995A1 (de) 1995-06-14
AU664266B2 (en) 1995-11-09
JPH08502800A (ja) 1996-03-26
JP3289780B2 (ja) 2002-06-10
DE69303376T2 (de) 1996-10-31
CA2136611A1 (en) 1994-03-03
ES2089811T3 (es) 1996-10-01
WO1994004821A1 (en) 1994-03-03
EP0656995B1 (de) 1996-06-26

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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: PUTZMEISTER AG, 72631 AICHTAL, DE

8310 Action for declaration of annulment
8312 Partial invalidation
8339 Ceased/non-payment of the annual fee
8394 Patent changed during the nullification procedure (changed patent specification reprinted)