EP3721092A4 - Mechanism for course and fine adjustment of flows in fixed displacement pump - Google Patents

Mechanism for course and fine adjustment of flows in fixed displacement pump Download PDF

Info

Publication number
EP3721092A4
EP3721092A4 EP18886990.3A EP18886990A EP3721092A4 EP 3721092 A4 EP3721092 A4 EP 3721092A4 EP 18886990 A EP18886990 A EP 18886990A EP 3721092 A4 EP3721092 A4 EP 3721092A4
Authority
EP
European Patent Office
Prior art keywords
flows
course
fine adjustment
displacement pump
fixed displacement
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.)
Granted
Application number
EP18886990.3A
Other languages
German (de)
French (fr)
Other versions
EP3721092A1 (en
EP3721092B1 (en
Inventor
Zachary Beauman
David Rawlings
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.)
Fluid Metering Inc
Original Assignee
Fluid Metering Inc
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
Priority claimed from US15/830,592 external-priority patent/US10935021B2/en
Application filed by Fluid Metering Inc filed Critical Fluid Metering Inc
Publication of EP3721092A1 publication Critical patent/EP3721092A1/en
Publication of EP3721092A4 publication Critical patent/EP3721092A4/en
Application granted granted Critical
Publication of EP3721092B1 publication Critical patent/EP3721092B1/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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
    • 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
    • F04B1/12—Multi-cylinder machines or pumps characterised by number or arrangement of cylinders having cylinder axes coaxial with, or parallel or inclined to, main shaft axis
    • F04B1/20—Multi-cylinder machines or pumps characterised by number or arrangement of cylinders having cylinder axes coaxial with, or parallel or inclined to, main shaft axis having rotary cylinder block
    • 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
    • F04B1/12—Multi-cylinder machines or pumps characterised by number or arrangement of cylinders having cylinder axes coaxial with, or parallel or inclined to, main shaft axis
    • F04B1/26—Control
    • F04B1/30—Control of machines or pumps with rotary cylinder blocks
    • F04B1/32—Control of machines or pumps with rotary cylinder blocks by varying the relative positions of a swash plate and a cylinder block
    • F04B1/328—Control of machines or pumps with rotary cylinder blocks by varying the relative positions of a swash plate and a cylinder block by changing the inclination of the axis of the cylinder barrel relative to the swash plate
    • 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
    • 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
    • F04B9/02—Piston machines or pumps characterised by the driving or driven means to or from their working members the means being mechanical

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Reciprocating Pumps (AREA)
  • Details Of Reciprocating Pumps (AREA)
EP18886990.3A 2017-12-04 2018-12-04 Mechanism for course and fine adjustment of flows in fixed displacement pump Active EP3721092B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US15/830,592 US10935021B2 (en) 2013-12-13 2017-12-04 Mechanism for coarse and fine adjustment of flows in fixed displacement pump
PCT/US2018/063804 WO2019113036A1 (en) 2017-12-04 2018-12-04 Mechanism for course and fine adjustment of flows in fixed displacement pump

Publications (3)

Publication Number Publication Date
EP3721092A1 EP3721092A1 (en) 2020-10-14
EP3721092A4 true EP3721092A4 (en) 2021-04-14
EP3721092B1 EP3721092B1 (en) 2022-03-16

Family

ID=66751719

Family Applications (1)

Application Number Title Priority Date Filing Date
EP18886990.3A Active EP3721092B1 (en) 2017-12-04 2018-12-04 Mechanism for course and fine adjustment of flows in fixed displacement pump

Country Status (4)

Country Link
EP (1) EP3721092B1 (en)
DK (1) DK3721092T3 (en)
ES (1) ES2911652T3 (en)
WO (1) WO2019113036A1 (en)

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5863187A (en) * 1997-02-10 1999-01-26 Ivek Corporation Two position rotary reciprocating pump with liquid displacement flow adjustment
WO2006042435A1 (en) * 2004-10-20 2006-04-27 Markus Liebherr International Ag Hydrostatic axial piston machine and use of said machine
US20130199362A1 (en) * 2012-02-02 2013-08-08 Triumph Actuation Systems - Connecticut, LLC doing business as Triumph Aerospace Systems - Seattle Bent axis variable delivery inline drive axial piston pump and/or motor
KR20130106567A (en) * 2012-03-20 2013-09-30 한국기계연구원 Hydro-mechanical transmission for commercial vehicle
CN104153960A (en) * 2014-08-12 2014-11-19 曾新泉 Mouse-cage-typed inclined plate variable pump
DE102014211664A1 (en) * 2014-06-18 2015-12-24 Zf Friedrichshafen Ag Arrangement with several axial piston machines

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2027568A (en) * 1928-10-11 1936-01-14 Monarch Machine Tool Co Lathe
GB1044326A (en) * 1964-11-10 1966-09-28 Duff Norton Co Worm gear jack
US4420272A (en) * 1982-09-27 1983-12-13 Ingalls William E Method and structure for bearing the eccentricity of a bushing bore
JP6475259B2 (en) * 2013-12-13 2019-02-27 フルード・メタリング・インコーポレイテッド Fine flow control device for constant displacement pump

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5863187A (en) * 1997-02-10 1999-01-26 Ivek Corporation Two position rotary reciprocating pump with liquid displacement flow adjustment
WO2006042435A1 (en) * 2004-10-20 2006-04-27 Markus Liebherr International Ag Hydrostatic axial piston machine and use of said machine
US20130199362A1 (en) * 2012-02-02 2013-08-08 Triumph Actuation Systems - Connecticut, LLC doing business as Triumph Aerospace Systems - Seattle Bent axis variable delivery inline drive axial piston pump and/or motor
KR20130106567A (en) * 2012-03-20 2013-09-30 한국기계연구원 Hydro-mechanical transmission for commercial vehicle
DE102014211664A1 (en) * 2014-06-18 2015-12-24 Zf Friedrichshafen Ag Arrangement with several axial piston machines
CN104153960A (en) * 2014-08-12 2014-11-19 曾新泉 Mouse-cage-typed inclined plate variable pump

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
See also references of WO2019113036A1 *

Also Published As

Publication number Publication date
EP3721092A1 (en) 2020-10-14
ES2911652T3 (en) 2022-05-20
DK3721092T3 (en) 2022-06-13
EP3721092B1 (en) 2022-03-16
WO2019113036A1 (en) 2019-06-13

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