EP3060800B1 - Dispositif de déplacement - Google Patents

Dispositif de déplacement Download PDF

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Publication number
EP3060800B1
EP3060800B1 EP14762011.6A EP14762011A EP3060800B1 EP 3060800 B1 EP3060800 B1 EP 3060800B1 EP 14762011 A EP14762011 A EP 14762011A EP 3060800 B1 EP3060800 B1 EP 3060800B1
Authority
EP
European Patent Office
Prior art keywords
group
displacers
crankshaft
groups
offset
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.)
Not-in-force
Application number
EP14762011.6A
Other languages
German (de)
English (en)
Other versions
EP3060800A1 (fr
Inventor
Jürgen GAYDOUL
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.)
Hermetik Hydraulik AB
Original Assignee
Hermetik Hydraulik AB
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 Hermetik Hydraulik AB filed Critical Hermetik Hydraulik AB
Priority to EP16207067.6A priority Critical patent/EP3181902A1/fr
Publication of EP3060800A1 publication Critical patent/EP3060800A1/fr
Application granted granted Critical
Publication of EP3060800B1 publication Critical patent/EP3060800B1/fr
Not-in-force legal-status Critical Current
Anticipated expiration legal-status Critical

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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
    • F04B1/04—Multi-cylinder machines or pumps characterised by number or arrangement of cylinders having cylinders in star- or fan-arrangement
    • F04B1/053—Multi-cylinder machines or pumps characterised by number or arrangement of cylinders having cylinders in star- or fan-arrangement with actuating or actuated elements at the inner ends of the cylinders
    • F04B1/0536—Multi-cylinder machines or pumps characterised by number or arrangement of cylinders having cylinders in star- or fan-arrangement with actuating or actuated elements at the inner ends of the cylinders with two or more serially arranged radial piston-cylinder units
    • F04B1/0538—Multi-cylinder machines or pumps characterised by number or arrangement of cylinders having cylinders in star- or fan-arrangement with actuating or actuated elements at the inner ends of the cylinders with two or more serially arranged radial piston-cylinder units located side-by-side
    • 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
    • F04B17/00—Pumps characterised by combination with, or adaptation to, specific driving engines or motors
    • F04B17/03—Pumps characterised by combination with, or adaptation to, specific driving engines or motors driven by electric motors
    • 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
    • F04B53/006—Crankshafts
    • 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
    • F04B9/04—Piston machines or pumps characterised by the driving or driven means to or from their working members the means being mechanical the means being cams, eccentrics or pin-and-slot mechanisms
    • F04B9/045—Piston machines or pumps characterised by the driving or driven means to or from their working members the means being mechanical the means being cams, eccentrics or pin-and-slot mechanisms the means being eccentrics

Definitions

  • the invention relates to a displacement device for fluids, in particular liquids, with displacers, which dive linearly in the displacer, namely in cylindrical pump chambers in a pump housing, which are each via a suction valve and a pressure valve in flow communication, wherein the displacer each via a connecting rod to the crank pin an externally driven crankshaft are connected.
  • a fuel pump with two pairs of two pump elements, which are driven by double cams, is in the DE 10 2007 035 100 A1 disclosed.
  • Star-shaped pump configurations are from the EP 1 306 553 A2 , of the FR 1563223 , of the US 2,394,285 as well as the DE 315794 known.
  • the DE 10 2004 048 714 A1 discloses a radial piston pump for fuel injection with two pump units in V-arrangement.
  • the US application US 2007/0148016 A1 discloses a pump for fans in medical applications, in which a centrally positioned motor unit drives opposing drive shafts and lever arms four compression pistons. Another compressor for medical applications with four piston elements is from the WO 2012/162389 A1 known. Pumps with two offset working pistons, which are driven centrally, are from the WO 2013/145576 A1 , of the WO 2013/091218 A1 as well as the EP 1 437 507 A2 known.
  • the invention has for its object to provide a displacement device of the type described above, which leads to low pressure pulsations.
  • displacers are provided in a boxer configuration.
  • the two groups are arranged displacer in a boxer arrangement, wherein the group offset angle 180 °, but may also be modified, for. B. may be 150 °.
  • the stress on the crankshaft is minimized compared to a series arrangement with an odd number of displacers.
  • each group has three displacers distributed in each case at an angular distance ⁇ of 120 ° around the crankshaft.
  • an offset angle ⁇ of 30 ° of the crank pin associated with the first group leads to those of the second group.
  • Fig. 1a and 1b show in a side view and an end view of a crankshaft 10 with attached two opposite groups A, B of displacers or plungers 1, 3, 5 (group A) and 2, 4, 6 (group B).
  • the plungers of the group A are alternately arranged to those of the group B in the axial direction of the crankshaft, as is apparent from Fig. 1a is apparent.
  • the groups A and B are arranged offset by a group offset angle ⁇ of 180 ° in a boxer arrangement to each other.
  • the angle ⁇ is in accordance with Fig. 1a and 1b 180 °, but may also differ.
  • crankshaft 10 and the plunger 1 to 6 form part of a positive displacement pump whose housing and other parts are not shown; however, it is to be understood that the plungers 1-6 are slidably and sealed in cylindrical pumping chambers of conventional design, the pumping chambers being in fluid communication via a respective suction valve and a pressure valve to provide a fluid, e.g. To bring water to high pressures.
  • the reference numbers 1 to 6 for the in Fig. 3 plunger not shown here relate to the assignment to the associated crank pin 11 to 16, ie 1 to 11, 2 to 12, etc.
  • crank pin plungers 1 to 6 are connected via connecting rods 20 in a conventional manner by means of crossheads 21.
  • the three crankpins 12, 14, 16 are according to Fig. 5 relative to the crank pin 11, 13, 15 offset by an offset angle ⁇ arranged on the crankshaft.
  • the Fig. 6a, b and c show the crankshaft according to the Fig. 1 to 5 in the three rotational positions 0 °, 60 ° and 90 °. Similar to the representation in the 4 and 5 are the crank pins 11 to 16 symbolized by circles, which are drawn here because of the simpler representation because of smaller than in the 4 and 5 , Unlike in these figures, however, here are all six crankpins in each of the three Fig. 6a, 6b and 6c drawn to make the wake of the crank pin by the offset angle ⁇ clear. In each circle, a reference numeral 1 to 6 denoting the respective plunger is entered. Plungers with odd reference number 1, 3 or 5 belong to the group A and promote in the Fig.
  • plungers 2, 4 or 6 belong to group B and feed down.
  • the square plunger symbol in the respective circle above or below the plunger reference number represents the direction of action of the plunger in question. Pressurized plungers are indicated by hatching. Plungers without hatching are in the suction stroke and are pressure-free.
  • the curve g1 belongs to plunger 1
  • the curve g2 to the plunger 2, and so on.
  • Plunger at top dead center OT or bottom dead center UT have the speed zero, thus crossing the crank angle axis x.
  • the plunger 1 is at zero crank angle in the UT and begins to promote with increasing flow rate.
  • the plunger 2 is at crank angle zero already in the delivery state with increasing flow.
  • plunger 1 delivers maximum at maximum speed, while plunger 6 has reached 0 m / s in TDC, and so on.
  • the curve f in the middle diagram of Fig. 7 shows the periodic oscillation of the with a positive displacement pump according to the Fig. 1 to 5 achieved flow 1 / min between about 1550 1 / min and 1610 l / min.
  • the invention is not limited to the embodiments shown.
  • the offset angle ⁇ may also be less than or greater than 30 °.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Reciprocating Pumps (AREA)
  • Details Of Reciprocating Pumps (AREA)
  • Shafts, Cranks, Connecting Bars, And Related Bearings (AREA)

Claims (3)

  1. Dispositif de refoulement pour fluides, en particulier pour liquides, avec des corps de refoulement (1 à 6) mobiles linéairement plongeant dans le dispositif de refoulement, qui sont raccordés respectivement par le biais d'une bielle (20) à des manetons (11 à 16) d'un vilebrequin (10) entraîné à partir de l'extérieur,
    - deux groupes (A ; B) de corps de refoulement (1 à 6) étant prévus,
    - les deux groupes présentant respectivement trois corps de refoulement,
    - les manetons (11 à 16) pour les corps de refoulement (1 à 6) de deux groupes étant disposés respectivement à des distances angulaires (α) identiques autour du vilebrequin (10),
    - les corps de refoulement (2, 4, 6) d'un groupe (B) étant disposés de façon décalée dans la direction axiale du vilebrequin (10) par rapport à ceux (1, 3, 5) de l'autre groupe (A),
    - les groupes (A ; B) de corps de refoulement (1, 3, 5 ; 2, 4, 6) étant disposés autour du vilebrequin (10) de façon décalée respectivement selon un angle de décalage de groupes (γ) les uns par rapport aux autres ;
    - les corps de refoulement (2, 4, 6) d'un groupe (B) étant disposés dans la direction axiale du vilebrequin (10) de façon alternée avec les corps de refoulement (1, 3, 5) de l'autre groupe ;
    caractérisé en ce que
    les manetons (12, 14, 16) affectés à un groupe (B) sont disposés autour du vilebrequin (10) de façon décalée respectivement d'un angle de décalage (β) par rapport à ceux (11, 13, 15) de l'autre groupe (A).
  2. Dispositif de refoulement selon la revendication 1, caractérisé en ce que les deux groupes (A ; B) de corps de refoulement sont disposés dans un agencement boxer, l'angle de décalage (γ) de groupes étant égal à 180°.
  3. Dispositif de refoulement selon l'une des revendications 1 ou 2, caractérisé en ce que l'angle de décalage (β) est égal à 30°.
EP14762011.6A 2014-09-11 2014-09-11 Dispositif de déplacement Not-in-force EP3060800B1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
EP16207067.6A EP3181902A1 (fr) 2014-09-11 2014-09-11 Organe de refoulement

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/EP2014/069431 WO2016037655A1 (fr) 2014-09-11 2014-09-11 Dispositif de déplacement

Related Child Applications (2)

Application Number Title Priority Date Filing Date
EP16207067.6A Division EP3181902A1 (fr) 2014-09-11 2014-09-11 Organe de refoulement
EP16207067.6A Division-Into EP3181902A1 (fr) 2014-09-11 2014-09-11 Organe de refoulement

Publications (2)

Publication Number Publication Date
EP3060800A1 EP3060800A1 (fr) 2016-08-31
EP3060800B1 true EP3060800B1 (fr) 2018-04-18

Family

ID=51535441

Family Applications (2)

Application Number Title Priority Date Filing Date
EP16207067.6A Withdrawn EP3181902A1 (fr) 2014-09-11 2014-09-11 Organe de refoulement
EP14762011.6A Not-in-force EP3060800B1 (fr) 2014-09-11 2014-09-11 Dispositif de déplacement

Family Applications Before (1)

Application Number Title Priority Date Filing Date
EP16207067.6A Withdrawn EP3181902A1 (fr) 2014-09-11 2014-09-11 Organe de refoulement

Country Status (7)

Country Link
US (1) US20170276123A1 (fr)
EP (2) EP3181902A1 (fr)
CN (1) CN107076125A (fr)
BR (1) BR112017004768A2 (fr)
CA (1) CA2960908A1 (fr)
ES (1) ES2687955T3 (fr)
WO (1) WO2016037655A1 (fr)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP4403764A1 (fr) * 2023-01-20 2024-07-24 Danfoss Scotland Limited Machine hydraulique

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN203809274U (zh) * 2013-12-12 2014-09-03 北京中清能发动机技术有限公司 一种柱塞座、柱塞以及应用所述柱塞座的往复式柱塞泵

Family Cites Families (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE315794C (de) 1915-01-06 1919-11-13 Giulio Silvestri Aus sechs- und mehr geradzahligen elementen bestehender stufenverdichter in sternförmiger anordnung
US2394285A (en) 1944-07-27 1946-02-05 Bendix Aviat Corp Pump
FR1563223A (fr) 1968-03-01 1969-04-11
DE10153189A1 (de) * 2001-10-27 2003-05-15 Bosch Gmbh Robert Kraftstoffpumpe, Kraftstoffsystem, Verfahren zum Betreiben eines Kraftstoffsystems sowie Brennkraftmaschine
US6832900B2 (en) 2003-01-08 2004-12-21 Thomas Industries Inc. Piston mounting and balancing system
DE102004048714A1 (de) 2004-10-06 2006-04-13 Siemens Ag Radialkolbenpumpe
US7654802B2 (en) * 2005-12-22 2010-02-02 Newport Medical Instruments, Inc. Reciprocating drive apparatus and method
DE102007035100A1 (de) 2007-07-26 2009-01-29 Robert Bosch Gmbh Pumpe, insbesondere Kraftstoffhochdruckpumpe
DE102009027312A1 (de) * 2009-06-30 2011-01-05 Robert Bosch Gmbh Mehrkolbenpumpe
US20120234270A1 (en) * 2011-03-17 2012-09-20 GM Global Technology Operations LLC Engine assembly including crankshaft for v4 arrangement
EP2714167A4 (fr) 2011-05-24 2015-06-24 Invacare Corp Compresseur d'oxygène avec étage de surpression
EP2802776A4 (fr) 2011-12-22 2015-12-09 Ssig Medical Device Co Ltd Pompe
JP5878625B2 (ja) 2012-03-30 2016-03-08 アルバック機工株式会社 ポンプ装置

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN203809274U (zh) * 2013-12-12 2014-09-03 北京中清能发动机技术有限公司 一种柱塞座、柱塞以及应用所述柱塞座的往复式柱塞泵

Also Published As

Publication number Publication date
EP3181902A1 (fr) 2017-06-21
WO2016037655A1 (fr) 2016-03-17
ES2687955T3 (es) 2018-10-30
US20170276123A1 (en) 2017-09-28
CA2960908A1 (fr) 2016-03-17
BR112017004768A2 (pt) 2017-12-12
EP3060800A1 (fr) 2016-08-31
CN107076125A (zh) 2017-08-18

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