FR2071976B1 - - Google Patents

Info

Publication number
FR2071976B1
FR2071976B1 FR7045971A FR7045971A FR2071976B1 FR 2071976 B1 FR2071976 B1 FR 2071976B1 FR 7045971 A FR7045971 A FR 7045971A FR 7045971 A FR7045971 A FR 7045971A FR 2071976 B1 FR2071976 B1 FR 2071976B1
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.)
Expired
Application number
FR7045971A
Other languages
French (fr)
Other versions
FR2071976A1 (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.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Publication of FR2071976A1 publication Critical patent/FR2071976A1/fr
Application granted granted Critical
Publication of FR2071976B1 publication Critical patent/FR2071976B1/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
    • F04B9/00—Piston machines or pumps characterised by the driving or driven means to or from their working members
    • F04B9/08—Piston machines or pumps characterised by the driving or driven means to or from their working members the means being fluid
    • F04B9/10—Piston machines or pumps characterised by the driving or driven means to or from their working members the means being fluid the fluid being liquid
    • F04B9/109—Piston machines or pumps characterised by the driving or driven means to or from their working members the means being fluid the fluid being liquid having plural pumping chambers
    • F04B9/117—Piston machines or pumps characterised by the driving or driven means to or from their working members the means being fluid the fluid being liquid having plural pumping chambers the pumping members not being mechanically connected to each other
    • F04B9/1176—Piston machines or pumps characterised by the driving or driven means to or from their working members the means being fluid the fluid being liquid having plural pumping chambers the pumping members not being mechanically connected to each other the movement of each piston in one direction being obtained by a single-acting piston liquid motor
    • F04B9/1178—Piston machines or pumps characterised by the driving or driven means to or from their working members the means being fluid the fluid being liquid having plural pumping chambers the pumping members not being mechanically connected to each other the movement of each piston in one direction being obtained by a single-acting piston liquid motor the movement in the other direction being obtained by a hydraulic connection between the liquid motor 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
    • 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
    • F04B53/00—Component parts, details or accessories not provided for in, or of interest apart from, groups F04B1/00 - F04B23/00 or F04B39/00 - F04B47/00
    • F04B53/16—Casings; Cylinders; Cylinder liners or heads; Fluid connections
    • F04B53/162—Adaptations of cylinders
    • F04B53/164—Stoffing boxes
    • 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
    • F04B7/02—Piston machines or pumps characterised by having positively-driven valving the valving being fluid-actuated
    • F04B7/0233—Piston machines or pumps characterised by having positively-driven valving the valving being fluid-actuated a common distribution member forming a single discharge distributor for a plurality of pumping chambers
    • F04B7/0241—Piston machines or pumps characterised by having positively-driven valving the valving being fluid-actuated a common distribution member forming a single discharge distributor for a plurality of pumping chambers and having an oscillating movement
    • 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)
  • On-Site Construction Work That Accompanies The Preparation And Application Of Concrete (AREA)
FR7045971A 1969-12-22 1970-12-21 Expired FR2071976B1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
IT4980469 1969-12-22

Publications (2)

Publication Number Publication Date
FR2071976A1 FR2071976A1 (en) 1971-09-24
FR2071976B1 true FR2071976B1 (en) 1976-01-09

Family

ID=11271600

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7045971A Expired FR2071976B1 (en) 1969-12-22 1970-12-21

Country Status (8)

Country Link
US (1) US3704967A (en)
AU (1) AU2360170A (en)
BE (1) BE760663A (en)
CA (1) CA943400A (en)
DE (1) DE2062940C3 (en)
ES (1) ES387309A1 (en)
FR (1) FR2071976B1 (en)
ZA (1) ZA708564B (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19957337A1 (en) * 1999-11-29 2001-05-31 Hudelmaier Joerg Pump for viscous material has charging pressure device separate from pump unit near suction line that actively causes compression of viscous material
US6511302B1 (en) * 2001-07-05 2003-01-28 Magnum Pumps, Inc. Slurry piston pump with cylinder cleaning apparatus

Family Cites Families (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2125283A (en) * 1936-05-06 1938-08-02 Leo S Madlem Pump for semifluids
US2326302A (en) * 1941-01-10 1943-08-10 Kraft Cheese Company Filling mechanism
US2705016A (en) * 1952-10-28 1955-03-29 Pratt Co Henry Butterfly valve
FR1182583A (en) * 1957-09-11 1959-06-26 Creusot Forges Ateliers Sealing device between two members capable of coming into contact with one another
US3181469A (en) * 1963-02-07 1965-05-04 Hydro Con Corp Concrete pumping apparatus
US3198123A (en) * 1963-07-16 1965-08-03 Case Co J I Pump and valve assembly
GB1098338A (en) * 1966-04-20 1968-01-10 Eugene Lee Sherrod Reciprocating pump for semi-liquid materials
AU439471B2 (en) * 1966-09-09 1973-08-17 Royal Industries a FLUID POWER CONTROL CIRCUIT
US3465685A (en) * 1968-02-21 1969-09-09 Eugene L Sherrod Self-clearing rotating conveyor
DE1703219B2 (en) * 1968-04-19 1977-02-24 Putzmeister GmbH, Chur (Schweiz) CONCRETE PUMP
DE1803819C3 (en) * 1968-10-18 1975-06-05 Maschinenfabrik Walter Scheele, 4600 Dortmund concrete pump
GB1276963A (en) * 1969-11-10 1972-06-07 Desa Industries Concrete pumping machines and valve assemblies therefor

Also Published As

Publication number Publication date
US3704967A (en) 1972-12-05
DE2062940C3 (en) 1978-10-19
FR2071976A1 (en) 1971-09-24
DE2062940B2 (en) 1978-02-16
CA943400A (en) 1974-03-12
AU2360170A (en) 1972-06-22
ZA708564B (en) 1971-10-27
BE760663A (en) 1971-05-27
DE2062940A1 (en) 1971-06-24
ES387309A1 (en) 1974-01-16

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Legal Events

Date Code Title Description
ST Notification of lapse