ES2173222T3 - ADJUSTABLE FLOW PUMP. - Google Patents

ADJUSTABLE FLOW PUMP.

Info

Publication number
ES2173222T3
ES2173222T3 ES96108447T ES96108447T ES2173222T3 ES 2173222 T3 ES2173222 T3 ES 2173222T3 ES 96108447 T ES96108447 T ES 96108447T ES 96108447 T ES96108447 T ES 96108447T ES 2173222 T3 ES2173222 T3 ES 2173222T3
Authority
ES
Spain
Prior art keywords
pump
ducts
input
flow pump
adjustable flow
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
ES96108447T
Other languages
Spanish (es)
Inventor
Carlo Pachetti
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.)
Pierburg Pump Technology Italy SpA
Original Assignee
Pierburg SpA
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 Pierburg SpA filed Critical Pierburg SpA
Application granted granted Critical
Publication of ES2173222T3 publication Critical patent/ES2173222T3/en
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
    • F04C—ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT PUMPS
    • F04C14/00—Control of, monitoring of, or safety arrangements for, machines, pumps or pumping installations
    • F04C14/10—Control of, monitoring of, or safety arrangements for, machines, pumps or pumping installations characterised by changing the positions of the inlet or outlet openings with respect to the working chamber
    • F04C14/12—Control of, monitoring of, or safety arrangements for, machines, pumps or pumping installations characterised by changing the positions of the inlet or outlet openings with respect to the working chamber using sliding valves
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04C—ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT PUMPS
    • F04C2270/00—Control; Monitoring or safety arrangements
    • F04C2270/05—Speed
    • F04C2270/052—Speed angular
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04C—ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT PUMPS
    • F04C2270/00—Control; Monitoring or safety arrangements
    • F04C2270/56—Number of pump/machine units in operation

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Compressors, Vaccum Pumps And Other Relevant Systems (AREA)
  • Rotary Pumps (AREA)
  • Applications Or Details Of Rotary Compressors (AREA)
  • Details Of Reciprocating Pumps (AREA)

Abstract

UNA BOMBA DE SUMINISTRO VARIABLE (1) TIENE UNA PRIMERA ETAPA DE COMPRESION (18) Y AL MENOS UNA SEGUNDA ETAPA DE COMPRESION (23) CON RESPECTIVOS CONDUCTOS DE ENTRADA (21)(28) QUE COMUNICAN CON UNA ENTRADA (6) DE LA BOMBA (1), DURANTE SU USO, Y ABERTURAS DE ESCAPE RESPECTIVAS (22)(29) PARA COMUNICAR CON UNA SALIDA DE SUMINISTRO (7) DE LA BOMBA (1) MISMA; LA BOMBA (1) ESTA ADEMAS PROVISTA DE UNA UNIDAD SELECTORA (30) INTERPUESTA ENTRE LOS CONDUCTOS DE ENTRADA (21)(28) Y LOS CONDUCTOS DE ESCAPE (22)(29) QUE PUEDE SER ACCIONADA PARA CONECTAR LOS CONDUCTOS (21)(22)(28)(29) ENTRE SI PARA SELECCIONAR DIFERENTES CONDICIONES DE FUNCIONAMIENTO PARA LAS ETAPAS (18)(23) DE ACUERDO CON LA PRESION DEL FLUIDO DIRIGIDO HACIA LA SALIDA DE SUMINISTRO (7).A VARIABLE SUPPLY PUMP (1) HAS A FIRST COMPRESSION STAGE (18) AND AT LEAST A SECOND COMPRESSION STAGE (23) WITH RESPECTIVE INPUT CONDUCT (21) (28) COMMUNICATING WITH A PUMP INPUT (6) (1), DURING USE, AND RESPECTIVE EXHAUST OPENINGS (22) (29) TO COMMUNICATE WITH A SUPPLY OUTPUT (7) OF THE PUMP (1) SAME; THE PUMP (1) IS ALSO PROVIDED WITH A SELECTOR UNIT (30) INTERPOSED BETWEEN THE INPUT DUCTS (21) (28) AND THE EXHAUST DUCTS (22) (29) THAT CAN BE DRIVEN TO CONNECT THE DUCTS (21) ( 22) (28) (29) ENTER IF TO SELECT DIFFERENT OPERATING CONDITIONS FOR THE STAGES (18) (23) ACCORDING TO THE PRESSURE OF THE DIRECTED FLUID TO THE SUPPLY OUTPUT (7).

ES96108447T 1995-05-30 1996-05-28 ADJUSTABLE FLOW PUMP. Expired - Lifetime ES2173222T3 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
IT95TO000441A IT1279571B1 (en) 1995-05-30 1995-05-30 VARIABLE FLOW PUMP.

Publications (1)

Publication Number Publication Date
ES2173222T3 true ES2173222T3 (en) 2002-10-16

Family

ID=11413599

Family Applications (1)

Application Number Title Priority Date Filing Date
ES96108447T Expired - Lifetime ES2173222T3 (en) 1995-05-30 1996-05-28 ADJUSTABLE FLOW PUMP.

Country Status (4)

Country Link
EP (1) EP0745774B1 (en)
DE (1) DE69619298T2 (en)
ES (1) ES2173222T3 (en)
IT (1) IT1279571B1 (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102014205970A1 (en) 2014-03-31 2015-10-01 Schaeffler Technologies AG & Co. KG variable

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4502845A (en) * 1983-03-24 1985-03-05 General Motors Corporation Multistage gear pump and control valve arrangement
US4658583A (en) * 1984-06-11 1987-04-21 Trw Inc. Double staged, internal rotary pump with flow control
DE3837599A1 (en) * 1988-11-05 1990-05-10 Daimler Benz Ag Gear pump having two pairs of gear wheels arranged next to one another in the pump casing
DE4105030C2 (en) * 1991-02-19 1994-11-24 Daimler Benz Ag Gear pump for conveying lubricating oil in an internal combustion engine

Also Published As

Publication number Publication date
DE69619298D1 (en) 2002-03-28
ITTO950441A0 (en) 1995-05-30
EP0745774B1 (en) 2002-02-20
IT1279571B1 (en) 1997-12-16
EP0745774A2 (en) 1996-12-04
ITTO950441A1 (en) 1996-11-30
EP0745774A3 (en) 1997-06-04
DE69619298T2 (en) 2002-11-07

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