AT309991B - Pump unit - Google Patents

Pump unit

Info

Publication number
AT309991B
AT309991B AT179471A AT179471A AT309991B AT 309991 B AT309991 B AT 309991B AT 179471 A AT179471 A AT 179471A AT 179471 A AT179471 A AT 179471A AT 309991 B AT309991 B AT 309991B
Authority
AT
Austria
Prior art keywords
pump unit
pump
unit
Prior art date
Application number
AT179471A
Other languages
German (de)
Inventor
Giorgio Censi
Original Assignee
Amica Srl
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 Amica Srl filed Critical Amica Srl
Application granted granted Critical
Publication of AT309991B publication Critical patent/AT309991B/en

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
    • F04B49/00—Control, e.g. of pump delivery, or pump pressure of, or safety measures for, machines, pumps, or pumping installations, not otherwise provided for, or of interest apart from, groups F04B1/00 - F04B47/00
    • F04B49/12—Control, e.g. of pump delivery, or pump pressure of, or safety measures for, machines, pumps, or pumping installations, not otherwise provided for, or of interest apart from, groups F04B1/00 - F04B47/00 by varying the length of stroke of the working members
    • F04B49/123—Control, e.g. of pump delivery, or pump pressure of, or safety measures for, machines, pumps, or pumping installations, not otherwise provided for, or of interest apart from, groups F04B1/00 - F04B47/00 by varying the length of stroke of the working members by changing the eccentricity of one element relative to another element
    • F04B49/125—Control, e.g. of pump delivery, or pump pressure of, or safety measures for, machines, pumps, or pumping installations, not otherwise provided for, or of interest apart from, groups F04B1/00 - F04B47/00 by varying the length of stroke of the working members by changing the eccentricity of one element relative to another element by changing the eccentricity of the actuation means, e.g. cams or cranks, relative to the driving means, e.g. driving shafts
    • F04B49/126—Control, e.g. of pump delivery, or pump pressure of, or safety measures for, machines, pumps, or pumping installations, not otherwise provided for, or of interest apart from, groups F04B1/00 - F04B47/00 by varying the length of stroke of the working members by changing the eccentricity of one element relative to another element by changing the eccentricity of the actuation means, e.g. cams or cranks, relative to the driving means, e.g. driving shafts with a double eccenter mechanism
    • 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
    • F04B1/04—Multi-cylinder machines or pumps characterised by number or arrangement of cylinders having cylinders in star- or fan-arrangement
    • F04B1/06—Control
    • F04B1/07—Control by varying the relative eccentricity between two members, e.g. a cam and a drive shaft

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Reciprocating Pumps (AREA)
AT179471A 1970-06-26 1971-03-03 Pump unit AT309991B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
IT5172670 1970-06-26

Publications (1)

Publication Number Publication Date
AT309991B true AT309991B (en) 1973-09-10

Family

ID=11275634

Family Applications (1)

Application Number Title Priority Date Filing Date
AT179471A AT309991B (en) 1970-06-26 1971-03-03 Pump unit

Country Status (9)

Country Link
US (1) US3738230A (en)
AT (1) AT309991B (en)
BE (1) BE764191A (en)
CH (1) CH530556A (en)
DE (2) DE2109589A1 (en)
FR (1) FR2095491A5 (en)
GB (1) GB1322469A (en)
LU (1) LU62729A1 (en)
NL (1) NL7102850A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102014215056A1 (en) * 2014-07-31 2016-02-04 Skf Lubrication Systems Germany Ag Pump element and piston pump for conveying a liquid medium

Families Citing this family (18)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3906842A (en) * 1972-01-31 1975-09-23 Iwaki Co Ltd Variable metering pump
JPS5726054Y2 (en) * 1972-01-31 1982-06-07
US3851798A (en) * 1972-11-10 1974-12-03 Miller Mfg Co Of Schiller Park Automatic colorant dispenser
CH579211A5 (en) * 1974-06-12 1976-08-31 Sulzer Ag
CA1015983A (en) * 1974-08-28 1977-08-23 Inco Limited Double-eccentric variable drive system
US4141676A (en) * 1977-06-02 1979-02-27 John Blue Company Division Of Subscription Television, Inc. Pump for soil fumigant
US4776260A (en) * 1980-11-07 1988-10-11 Vincze Alexander L Constant pressure pump
US4700549A (en) * 1986-06-11 1987-10-20 Sundstrand Corporation On-board refrigerant charging system
US5951261A (en) * 1998-06-17 1999-09-14 Tecumseh Products Company Reversible drive compressor
FR2786228B1 (en) * 1998-11-23 2002-05-24 Milton Roy Dosapro ADJUSTABLE STROKE DRIVE DEVICE FOR A METERING PUMP CONNECTING ROD
US6190137B1 (en) 1999-09-24 2001-02-20 Tecumseh Products Company Reversible, variable displacement compressor
US6619926B2 (en) 2001-09-12 2003-09-16 Tecumseh Products Company Cam and crank engagement for a reversible, variable displacement compressor and a method of operation therefor
US7409901B2 (en) * 2004-10-27 2008-08-12 Halliburton Energy Services, Inc. Variable stroke assembly
US7563076B2 (en) * 2004-10-27 2009-07-21 Halliburton Energy Services, Inc. Variable rate pumping system
DE102010043886A1 (en) * 2010-11-15 2012-05-16 Continental Teves Ag & Co. Ohg Piston pump for conveying pressure fluid in hydraulic brake system, has one pump piston independently rendered stationary by actuation of other pump pistons for reducing pressure fluid delivery, and for switching one of eccentric cams
AU2012299211B2 (en) * 2011-08-19 2016-08-25 Harken, Inc Multi-speed hydraulic pump
DE102014005143A1 (en) * 2014-04-07 2015-10-08 Tankol Gmbh Gesellschaft Für Fluidtechnik Positive displacement pump with at least two different delivery rates at input speed
CN104728070B (en) * 2015-02-17 2017-03-01 上海金箭水射流设备制造有限公司 A kind of power-driven system of high-pressure water jet pump

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1328474A (en) * 1919-11-11 1920-01-20 Fort Wayne Engineering & Mfg C Pump
US1640509A (en) * 1926-11-30 1927-08-30 J W Clune Co Fuel-pumping mechanism for internal-combustion engines
US2136599A (en) * 1936-06-15 1938-11-15 Fmc Corp Spray pump
US2612839A (en) * 1947-09-02 1952-10-07 Webster Brinkley Co Variable-delivery pump
US2957422A (en) * 1956-01-09 1960-10-25 Dempster Mill Mfg Co Pumps
US2929334A (en) * 1956-06-11 1960-03-22 Panhard & Levassor Ets Variable-output hydraulic generator
US2936712A (en) * 1958-01-20 1960-05-17 Deere & Co Variable displacement pump
GB940865A (en) * 1961-06-20 1963-11-06 Gerhard Jesse Mechanism for the stroke-control of reciprocating members, particularly in proportioning pumps
US3180178A (en) * 1962-09-10 1965-04-27 Ingersoll Rand Co Variable stroke reciprocating machine
US3257953A (en) * 1964-08-14 1966-06-28 Harry E Pinkerton Positive displacement piston pump

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102014215056A1 (en) * 2014-07-31 2016-02-04 Skf Lubrication Systems Germany Ag Pump element and piston pump for conveying a liquid medium
DE102014215056B4 (en) 2014-07-31 2024-05-08 Skf Lubrication Systems Germany Ag Pump element and piston pump for pumping a liquid medium

Also Published As

Publication number Publication date
BE764191A (en) 1971-09-13
DE2109589A1 (en) 1972-01-05
FR2095491A5 (en) 1972-02-11
GB1322469A (en) 1973-07-04
CH530556A (en) 1972-11-15
NL7102850A (en) 1971-12-28
DE7107550U (en) 1973-11-08
US3738230A (en) 1973-06-12
LU62729A1 (en) 1971-08-23

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Legal Events

Date Code Title Description
ELJ Ceased due to non-payment of the annual fee