FR2080892A1 - - Google Patents

Info

Publication number
FR2080892A1
FR2080892A1 FR7045731A FR7045731A FR2080892A1 FR 2080892 A1 FR2080892 A1 FR 2080892A1 FR 7045731 A FR7045731 A FR 7045731A FR 7045731 A FR7045731 A FR 7045731A FR 2080892 A1 FR2080892 A1 FR 2080892A1
Authority
FR
France
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.)
Granted
Application number
FR7045731A
Other languages
French (fr)
Other versions
FR2080892B1 (en
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.)
Friedrich Wilhelm Schwing GmbH
Original Assignee
Friedrich Wilhelm Schwing 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
Application filed by Friedrich Wilhelm Schwing GmbH filed Critical Friedrich Wilhelm Schwing GmbH
Publication of FR2080892A1 publication Critical patent/FR2080892A1/fr
Application granted granted Critical
Publication of FR2080892B1 publication Critical patent/FR2080892B1/fr
Expired 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
    • F04B1/00—Multi-cylinder machines or pumps characterised by number or arrangement of cylinders
    • F04B1/02—Multi-cylinder machines or pumps characterised by number or arrangement of cylinders having two cylinders
    • 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
    • F04B7/00—Piston machines or pumps characterised by having positively-driven valving
    • F04B7/0019—Piston machines or pumps characterised by having positively-driven valving a common distribution member forming a single discharge distributor for a plurality of pumping chambers
    • F04B7/0026—Piston machines or pumps characterised by having positively-driven valving a common distribution member forming a single discharge distributor for a plurality of pumping chambers and having an oscillating movement
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
    • F16K11/00—Multiple-way valves, e.g. mixing valves; Pipe fittings incorporating such valves
    • F16K11/02—Multiple-way valves, e.g. mixing valves; Pipe fittings incorporating such valves with all movable sealing faces moving as one unit
    • F16K11/08—Multiple-way valves, e.g. mixing valves; Pipe fittings incorporating such valves with all movable sealing faces moving as one unit comprising only taps or cocks
    • F16K11/085—Multiple-way valves, e.g. mixing valves; Pipe fittings incorporating such valves with all movable sealing faces moving as one unit comprising only taps or cocks with cylindrical plug
    • 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)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Reciprocating Pumps (AREA)
  • Multiple-Way Valves (AREA)
FR7045731A 1969-12-20 1970-12-18 Expired FR2080892B1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE1963875A DE1963875C3 (en) 1969-12-20 1969-12-20 Piston pump with hydraulic drive for pumping concrete

Publications (2)

Publication Number Publication Date
FR2080892A1 true FR2080892A1 (en) 1971-11-26
FR2080892B1 FR2080892B1 (en) 1977-01-21

Family

ID=5754438

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7045731A Expired FR2080892B1 (en) 1969-12-20 1970-12-18

Country Status (6)

Country Link
US (1) US3741691A (en)
JP (1) JPS5040245B1 (en)
DE (1) DE1963875C3 (en)
FR (1) FR2080892B1 (en)
GB (1) GB1317317A (en)
NL (1) NL7018404A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0485862A1 (en) * 1990-11-16 1992-05-20 Friedrich Wilh. Schwing GmbH Slurry pump having a pair of alternatively sucking and delivering cylinders

Families Citing this family (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3860035A (en) * 1973-03-02 1975-01-14 Engineered Concrete Placer Inc Modified slurry pump
US3989420A (en) * 1974-05-15 1976-11-02 J. I. Case Company Concrete pumping apparatus
US3982857A (en) * 1973-10-17 1976-09-28 Karl Schlecht Support means for movable connector in concrete pump arrangement
US3909160A (en) * 1973-10-26 1975-09-30 Eugene L Sherrod Pump for semi-fluid materials
US4303378A (en) * 1977-09-22 1981-12-01 Thomsen Equipment Company Concrete pump
US4863317A (en) * 1985-08-02 1989-09-05 Boyle Bede Alfred Particulate material transportation
IT1186465B (en) * 1985-12-18 1987-11-26 Tetra Dev Co PUMPING UNIT FOR FILLING CONTAINERS IN PACKAGING MACHINES
US5281113A (en) * 1990-11-16 1994-01-25 Friedrich Wilh, Schwing Gmbh Thick materials pump with paired, preferably parallel feed cylinders which alternatingly deliver and intake
DE4102682C2 (en) * 1990-11-16 1995-02-02 Schwing Gmbh F Thick matter pump with alternating conveying and suction feed cylinders
DE19735091B4 (en) * 1997-08-13 2006-03-02 Schwing Gmbh Two-cylinder slurry pump
EP2031247A1 (en) * 2007-08-31 2009-03-04 Pfizer Inc. Liquid Pump
GB2464267A (en) * 2008-10-07 2010-04-14 William George Perry Rotary inlet and exhaust valves eg for i.c. engines
DE102009005318B3 (en) * 2009-01-16 2010-09-30 Schwing, Friedrich, Dipl.-Ing. Process for conveying mushy masses and pumping device for conveying mushy masses
CN102269161B (en) * 2011-04-22 2012-11-14 三一重工股份有限公司 Pumping mechanism and distribution valve thereof, and concrete pumping machine
WO2013106684A2 (en) * 2012-01-13 2013-07-18 Formax, Inc. Pump system for food machine
CN102536788A (en) * 2012-01-31 2012-07-04 三一重工股份有限公司 Distributing valve, material conveying system and engineering machinery
CN103821688B (en) * 2014-01-20 2016-04-06 三一汽车制造有限公司 A kind of pumping mechanism, pumping controlling method and concrete pumping equipment

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2796032A (en) * 1952-10-03 1957-06-18 Torkret Gmbh Piston pumps
US3279382A (en) * 1964-04-14 1966-10-18 Royal Industries Pump
GB1098338A (en) * 1966-04-20 1968-01-10 Eugene Lee Sherrod Reciprocating pump for semi-liquid materials
US3398693A (en) * 1966-08-01 1968-08-27 Danken Inc Concrete pumping apparatus
DE1805972A1 (en) * 1968-10-30 1970-06-11 Stetter Georg concrete pump

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0485862A1 (en) * 1990-11-16 1992-05-20 Friedrich Wilh. Schwing GmbH Slurry pump having a pair of alternatively sucking and delivering cylinders

Also Published As

Publication number Publication date
FR2080892B1 (en) 1977-01-21
JPS5040245B1 (en) 1975-12-23
GB1317317A (en) 1973-05-16
DE1963875A1 (en) 1971-06-24
US3741691A (en) 1973-06-26
DE1963875C3 (en) 1975-10-23
DE1963875B2 (en) 1975-03-13
NL7018404A (en) 1971-06-22

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Legal Events

Date Code Title Description
ST Notification of lapse