EP1987254B1 - Druckspeicher, insbesondere pulsationsdämpfer - Google Patents

Druckspeicher, insbesondere pulsationsdämpfer Download PDF

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Publication number
EP1987254B1
EP1987254B1 EP06818509A EP06818509A EP1987254B1 EP 1987254 B1 EP1987254 B1 EP 1987254B1 EP 06818509 A EP06818509 A EP 06818509A EP 06818509 A EP06818509 A EP 06818509A EP 1987254 B1 EP1987254 B1 EP 1987254B1
Authority
EP
European Patent Office
Prior art keywords
pressure accumulator
separating element
fluid
piston part
accumulator according
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
EP06818509A
Other languages
German (de)
English (en)
French (fr)
Other versions
EP1987254A1 (de
Inventor
Markus Lehnert
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.)
Hydac Technology GmbH
Original Assignee
Hydac Technology GmbH
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 Hydac Technology GmbH filed Critical Hydac Technology GmbH
Publication of EP1987254A1 publication Critical patent/EP1987254A1/de
Application granted granted Critical
Publication of EP1987254B1 publication Critical patent/EP1987254B1/de
Not-in-force legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
    • F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
    • F15B1/00—Installations or systems with accumulators; Supply reservoir or sump assemblies
    • F15B1/02—Installations or systems with accumulators
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
    • F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
    • F15B1/00—Installations or systems with accumulators; Supply reservoir or sump assemblies
    • F15B1/02—Installations or systems with accumulators
    • F15B1/021—Installations or systems with accumulators used for damping
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
    • F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
    • F15B1/00—Installations or systems with accumulators; Supply reservoir or sump assemblies
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
    • F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
    • F15B1/00—Installations or systems with accumulators; Supply reservoir or sump assemblies
    • F15B1/02—Installations or systems with accumulators
    • F15B1/04—Accumulators
    • F15B1/08—Accumulators using a gas cushion; Gas charging devices; Indicators or floats therefor
    • F15B1/10—Accumulators using a gas cushion; Gas charging devices; Indicators or floats therefor with flexible separating means
    • F15B1/103—Accumulators using a gas cushion; Gas charging devices; Indicators or floats therefor with flexible separating means the separating means being bellows
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
    • F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
    • F15B1/00—Installations or systems with accumulators; Supply reservoir or sump assemblies
    • F15B1/02—Installations or systems with accumulators
    • F15B1/04—Accumulators
    • F15B1/08—Accumulators using a gas cushion; Gas charging devices; Indicators or floats therefor
    • F15B1/22—Liquid port constructions

Definitions

  • Pressure accumulators are known, cf. DE 10 2004 004 341 A1 , Such accumulators are primarily used for damping pressure fluctuations in hydraulic systems in order to protect measuring and control devices, filters and other components integrated in the system from harmful pulsations.
  • a preferred field of use is the use as a pulsation damper in the injection system of internal combustion engines, especially large diesel engines on ships or in combined heat and power plants.
  • pressure fluctuations occur in both the fuel supply system and in the fuel return system, the frequency and severity of the pulsations being determined by the sequence of injection processes, the removal of fuel from the system, the compression, the injection by means of high-pressure injection pumps and the reopening connect to the system.
  • the invention has for its object to provide a pressure accumulator, which is characterized despite a compact design by a particularly good damping effect.
  • the choice of the depth of the "pot” allows an adjustment of the volume ratio of gas space to fluid space according to the respective working conditions.
  • the length of the metal bellows can be chosen to be sufficiently long, even in the case of a desirably small volume of the gas space, so that it has a multiplicity of folds. This ensures that the bellows is in the range of tolerable material stresses in the execution of alternating movements, so that he can perform the largest possible stroke with the largest possible number of repetitions, without the operational safety would be compromised.
  • the stopper may also be constituted by a structure whose structural elements are selected with a view to minimizing the restriction of the flow path caused by them.
  • a further retaining ring fixed on the inner wall of the tubular body and at least one further fastening rod spanning the interior of the retaining ring can be provided.
  • the two storage lids 11 have only one opening, namely inflow opening 15 and outflow opening 17, a large opening cross-section can be provided, so that large flow rates can be achieved.
  • the inner diameter of the tubular body 1 and the outer diameter of the metal bellows 21 are selected such that a sufficiently large annular space 51 is available as part of the flow path belonging to the fluid space 33.
  • the components of the support structure for the cover 27 are chosen so that no significant impediment to the flow path is given, d. H.
  • Both the retaining ring 35 and the mounting rod 39 are, as can be seen from the figures, slim, so that the outer edge of the lid 27 can be flowed around relatively unhindered.
  • the storage housing is formed by a simple tubular body 1 and the housing closure by means of the same trained storage lid 11, results in a particularly simple and inexpensive production.
  • the damper unit 19 can be prefabricated as a unit that can be used as a whole in the tubular body 1 and fixed by means of snap rings 37, 47, there is also a particularly simple installation.
  • the prefabricated as a unit damper unit exists in particular from the actual metal bellows 21, as well as the piston member 31 and the retaining ring 35th

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Supply Devices, Intensifiers, Converters, And Telemotors (AREA)
EP06818509A 2006-02-22 2006-11-14 Druckspeicher, insbesondere pulsationsdämpfer Not-in-force EP1987254B1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102006008175A DE102006008175A1 (de) 2006-02-22 2006-02-22 Druckspeicher, insbesondere Pulsationsdämpfer
PCT/EP2006/010885 WO2007098795A1 (de) 2006-02-22 2006-11-14 Druckspeicher, insbesondere pulsationsdämpfer

Publications (2)

Publication Number Publication Date
EP1987254A1 EP1987254A1 (de) 2008-11-05
EP1987254B1 true EP1987254B1 (de) 2012-09-12

Family

ID=37672249

Family Applications (1)

Application Number Title Priority Date Filing Date
EP06818509A Not-in-force EP1987254B1 (de) 2006-02-22 2006-11-14 Druckspeicher, insbesondere pulsationsdämpfer

Country Status (8)

Country Link
US (1) US8176940B2 (da)
EP (1) EP1987254B1 (da)
JP (1) JP5074426B2 (da)
KR (1) KR101304186B1 (da)
CN (1) CN101384824B (da)
DE (1) DE102006008175A1 (da)
DK (1) DK1987254T3 (da)
WO (1) WO2007098795A1 (da)

Families Citing this family (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
RU2383785C1 (ru) * 2008-10-09 2010-03-10 Александр Анатольевич Строганов Гидропневматический аккумулятор со сжимаемым регенератором
CN102248489B (zh) * 2010-05-21 2013-05-29 中芯国际集成电路制造(上海)有限公司 一种脉动缓冲器及研磨液供应系统
EP2610881B1 (en) * 2011-12-28 2014-04-30 Siemens Aktiengesellschaft Pressure compensator for a subsea device
US9677519B2 (en) * 2013-08-27 2017-06-13 Kia Motors Corporation Device for decreasing fuel pulsation of LPG vehicle
DE102014010006A1 (de) * 2014-07-05 2016-01-07 Hydac Technology Gmbh Hydropneumatischer Druckspeicher
CN104265700A (zh) * 2014-09-15 2015-01-07 邢宇 用金属波纹管式蓄压器代替胆式蓄压器和活塞式蓄压器
EP3306109B1 (en) * 2015-05-29 2022-04-27 Eagle Industry Co., Ltd. Metal bellows-type accumulator
DE102016003153A1 (de) * 2016-03-15 2017-09-21 Hydac Technology Gmbh Speichervorrichtung und hydropneumatische Federung
FR3060533B1 (fr) * 2016-12-19 2025-04-11 Safran Aircraft Engines Accumulateur sur une ligne de carburant d'aeronef
CN107939834A (zh) * 2017-11-16 2018-04-20 中国航空工业集团公司北京航空精密机械研究所 一种抑制压力波动的超精密机床液压系统
USD893678S1 (en) 2018-02-05 2020-08-18 Blacoh Fluid Controls, Inc. Valve
US11346374B2 (en) * 2020-09-08 2022-05-31 Blacoh Fluid Controls, Inc. Fluid pulsation dampeners
US11549523B2 (en) 2021-04-27 2023-01-10 Blacoh Fluid Controls, Inc. Automatic fluid pump inlet stabilizers and vacuum regulators
CN115773192B (zh) * 2022-12-21 2024-10-15 北京航空航天大学 蓄压器以及火箭发动机输送系统
CN117536733B (zh) * 2023-10-19 2024-08-13 北京天兵科技有限公司 一种大型液体运载火箭pogo抑制系统及输送系统
CN117869117B (zh) * 2023-12-26 2024-07-30 北京天兵科技有限公司 一种蓄压器及运载火箭的推进剂输送系统

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US445917A (en) * 1891-02-03 Accumulator
US3424202A (en) * 1966-09-08 1969-01-28 Calumet & Hecla Dual bellows compensator
JPS5059811A (da) 1973-09-28 1975-05-23
JPS547615A (en) 1977-06-20 1979-01-20 Kenei Terada Pressure baffler
JPH02225802A (ja) * 1989-02-27 1990-09-07 Nhk Spring Co Ltd アキュムレータ
JPH02266101A (ja) * 1989-04-05 1990-10-30 Nhk Spring Co Ltd アキュムレータ
US5205326A (en) * 1991-08-23 1993-04-27 Hydraulic Power Systems, Inc. Pressure response type pulsation damper noise attenuator and accumulator
DE29507077U1 (de) * 1995-04-27 1995-06-22 GEA Finnah GmbH, 48683 Ahaus Pulsationsdämpfer für Rohrleitungen für strömende Medien
DE102004004341A1 (de) * 2004-01-29 2005-08-18 Hydac Technology Gmbh Druckspeicher, insbesondere Pulsationsdämpfer
JP2006194367A (ja) 2005-01-14 2006-07-27 Nok Corp 水撃防止装置

Also Published As

Publication number Publication date
WO2007098795A1 (de) 2007-09-07
JP5074426B2 (ja) 2012-11-14
KR20090035464A (ko) 2009-04-09
CN101384824B (zh) 2011-01-12
US8176940B2 (en) 2012-05-15
US20100307146A1 (en) 2010-12-09
DK1987254T3 (da) 2012-10-01
JP2009527706A (ja) 2009-07-30
CN101384824A (zh) 2009-03-11
KR101304186B1 (ko) 2013-09-06
DE102006008175A1 (de) 2007-08-23
EP1987254A1 (de) 2008-11-05

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