FI119523B - En dämpare för dämpning av tryckförändringar vid hydraulsystemet och hydraulsystem - Google Patents

En dämpare för dämpning av tryckförändringar vid hydraulsystemet och hydraulsystem Download PDF

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Publication number
FI119523B
FI119523B FI20075165A FI20075165A FI119523B FI 119523 B FI119523 B FI 119523B FI 20075165 A FI20075165 A FI 20075165A FI 20075165 A FI20075165 A FI 20075165A FI 119523 B FI119523 B FI 119523B
Authority
FI
Finland
Prior art keywords
hydraulic
fluid
hydraulic fluid
piston
damper
Prior art date
Application number
FI20075165A
Other languages
English (en)
Finnish (fi)
Other versions
FI20075165A (sv
FI20075165A0 (sv
Inventor
Magnus Sundsten
Original Assignee
Waertsilae Finland Oy
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 Waertsilae Finland Oy filed Critical Waertsilae Finland Oy
Priority to FI20075165A priority Critical patent/FI119523B/sv
Publication of FI20075165A0 publication Critical patent/FI20075165A0/sv
Priority to AT08718550T priority patent/ATE555309T1/de
Priority to PCT/FI2008/050097 priority patent/WO2008110662A1/en
Priority to EP08718550A priority patent/EP2122184B1/en
Priority to KR1020097021157A priority patent/KR101484794B1/ko
Priority to CN200880007678.5A priority patent/CN101680461B/zh
Publication of FI20075165A publication Critical patent/FI20075165A/sv
Application granted granted Critical
Publication of FI119523B publication Critical patent/FI119523B/sv

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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
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01L—CYCLICALLY OPERATING VALVES FOR MACHINES OR ENGINES
    • F01L13/00—Modifications of valve-gear to facilitate reversing, braking, starting, changing compression ratio, or other specific operations
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01L—CYCLICALLY OPERATING VALVES FOR MACHINES OR ENGINES
    • F01L13/00—Modifications of valve-gear to facilitate reversing, braking, starting, changing compression ratio, or other specific operations
    • F01L13/0005—Deactivating valves
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01L—CYCLICALLY OPERATING VALVES FOR MACHINES OR ENGINES
    • F01L13/00—Modifications of valve-gear to facilitate reversing, braking, starting, changing compression ratio, or other specific operations
    • F01L13/0015—Modifications of valve-gear to facilitate reversing, braking, starting, changing compression ratio, or other specific operations for optimising engine performances by modifying valve lift according to various working parameters, e.g. rotational speed, load, torque
    • 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
    • F15B1/02—Installations or systems with accumulators
    • F15B1/04—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
    • F15B21/00—Common features of fluid actuator systems; Fluid-pressure actuator systems or details thereof, not covered by any other group of this subclass
    • F15B21/008—Reduction of noise or vibration
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
    • F16L55/00—Devices or appurtenances for use in, or in connection with, pipes or pipe systems
    • F16L55/04—Devices damping pulsations or vibrations in fluids
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01L—CYCLICALLY OPERATING VALVES FOR MACHINES OR ENGINES
    • F01L1/00—Valve-gear or valve arrangements, e.g. lift-valve gear
    • F01L1/34—Valve-gear or valve arrangements, e.g. lift-valve gear characterised by the provision of means for changing the timing of the valves without changing the duration of opening and without affecting the magnitude of the valve lift
    • F01L1/344—Valve-gear or valve arrangements, e.g. lift-valve gear characterised by the provision of means for changing the timing of the valves without changing the duration of opening and without affecting the magnitude of the valve lift changing the angular relationship between crankshaft and camshaft, e.g. using helicoidal gear
    • F01L1/3442—Valve-gear or valve arrangements, e.g. lift-valve gear characterised by the provision of means for changing the timing of the valves without changing the duration of opening and without affecting the magnitude of the valve lift changing the angular relationship between crankshaft and camshaft, e.g. using helicoidal gear using hydraulic chambers with variable volume to transmit the rotating force
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01L—CYCLICALLY OPERATING VALVES FOR MACHINES OR ENGINES
    • F01L1/00—Valve-gear or valve arrangements, e.g. lift-valve gear
    • F01L1/20—Adjusting or compensating clearance
    • F01L1/22—Adjusting or compensating clearance automatically, e.g. mechanically
    • F01L1/24—Adjusting or compensating clearance automatically, e.g. mechanically by fluid means, e.g. hydraulically
    • F01L2001/2444—Details relating to the hydraulic feeding circuit, e.g. lifter oil manifold assembly [LOMA]
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01L—CYCLICALLY OPERATING VALVES FOR MACHINES OR ENGINES
    • F01L1/00—Valve-gear or valve arrangements, e.g. lift-valve gear
    • F01L1/34—Valve-gear or valve arrangements, e.g. lift-valve gear characterised by the provision of means for changing the timing of the valves without changing the duration of opening and without affecting the magnitude of the valve lift
    • F01L1/344—Valve-gear or valve arrangements, e.g. lift-valve gear characterised by the provision of means for changing the timing of the valves without changing the duration of opening and without affecting the magnitude of the valve lift changing the angular relationship between crankshaft and camshaft, e.g. using helicoidal gear
    • F01L1/3442—Valve-gear or valve arrangements, e.g. lift-valve gear characterised by the provision of means for changing the timing of the valves without changing the duration of opening and without affecting the magnitude of the valve lift changing the angular relationship between crankshaft and camshaft, e.g. using helicoidal gear using hydraulic chambers with variable volume to transmit the rotating force
    • F01L2001/34423—Details relating to the hydraulic feeding circuit
    • F01L2001/34426—Oil control valves
    • 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
    • F15B2201/00—Accumulators
    • F15B2201/20—Accumulator cushioning means
    • F15B2201/21—Accumulator cushioning means using springs
    • 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
    • F15B2201/00—Accumulators
    • F15B2201/30—Accumulator separating means
    • F15B2201/31—Accumulator separating means having rigid separating means, e.g. pistons
    • 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
    • F15B2201/00—Accumulators
    • F15B2201/40—Constructional details of accumulators not otherwise provided for
    • F15B2201/41—Liquid ports
    • F15B2201/413—Liquid ports having multiple liquid ports

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • Chemical & Material Sciences (AREA)
  • Analytical Chemistry (AREA)
  • Valve Device For Special Equipments (AREA)
  • Fluid-Damping Devices (AREA)
  • Vehicle Body Suspensions (AREA)
  • Supply Devices, Intensifiers, Converters, And Telemotors (AREA)

Claims (8)

1. Dämpare (7) för att dämpa tryckvariationer i ett hydraulsystem, vilken dämpare 5 innefattar en stomme (8) med en kammare (9), i vilken en rörlig, med en pder (11) belastad kolv (10) är anpassad, ett inom kammaren (9) anordnat vätskeutrymme (7) som avgränsas av kolvens (10) kolvyta (19), en tillförselledning (13) för att mata hydraulvätska in i vätskeutrymmet (17) och ett avloppsrör (15) för att avleda hydraulvätska frän vätskeutrymmet (17), kännetecknad av att tillförselledningens 10 (13) strömningsmotständ är större än avloppsrörets (15) strömningsmotständ.
2. Dämpare enligt patentkravet 1, kännetecknad av att när hydraulvätskans tryck sjunker i vätskeutrymmet under en bestämd gräns, är fjädern (11) anordnad att flytta koiven (10) tili ett läge, i vilket flödesförbindelsen mellan tillförselledningen 15 (13) och avloppsröret (15) bryts.
3. Dämpare enligt patentkravet 1 eller 2, kännetecknad av att avloppsrörets (15) flödestvärsnitt är större än tillförselledningens (13) flödestvärsnitt. ♦ · • · · • · · 20
4. Dämpare enligt patentkravet 3, kännetecknad av att avloppsrörets (15) *** f flödestvärsnitt är 3 -10 gänger större än tillförselledningens (13) flödestvärsnitt. • « • 1 · • · · • »· ·
5. Hydraulsystem som innefattar en hydraulisk komponent (5), vars behov av ;***; hydraulvätska varierar som funktion av tid, och en inmatningsöppning (18) för att 25 föra hydraulvätska tili den hydrauliska komponenten (5), kännetecknat av en :V: dämpare (7) enligt nägot av patentkraven 1-4, avloppsröret (15) av vilken dämpare stär i flödesförbindelse med inmatningsöppningen (18) och dess . !·. tillförselledning (13) med en hydraulvätskekälla (21). • · « • φ · • · • · • · · • » · 10 1 1 9523
6. Hydraulsystem enligt patentkravet 5, kännetecknat av att den hydrauliska komponenten är en styranordning (5) för gasväxlingsventilen (3) i kolvmotorns cylinder.
7. Hydraulsystem enligt patentkravet 5 eller 6, kännetecknat av att hydraulvätskekällan utgörs av kolvmotorns (1) trycksmörjningssystem och hydraulvätskan ärsmörjolja.
8. Hydraulsystem enligt nägot av föregäende patentkrav, kännetecknat av att 10 dämparen (7) är anordnad i samband med den hydrauliska komponenten (5) eller är integrerad med den. * · • · · • · φ • ·· 1 • · · • · · · · * • · • · • · · • · t * · · · • · • · • · · • · · • · • · ··· • · • · · • · · • · • · · • · • · • · · t * • · ♦ • · · **· • · · • · • · • « · • » »
FI20075165A 2007-03-09 2007-03-09 En dämpare för dämpning av tryckförändringar vid hydraulsystemet och hydraulsystem FI119523B (sv)

Priority Applications (6)

Application Number Priority Date Filing Date Title
FI20075165A FI119523B (sv) 2007-03-09 2007-03-09 En dämpare för dämpning av tryckförändringar vid hydraulsystemet och hydraulsystem
AT08718550T ATE555309T1 (de) 2007-03-09 2008-02-28 Dämpfer zur reduzierung von druckfluktuationen in einem hydraulischen system
PCT/FI2008/050097 WO2008110662A1 (en) 2007-03-09 2008-02-28 Attenuator for damping pressure fluctuations in a hydraulic system
EP08718550A EP2122184B1 (en) 2007-03-09 2008-02-28 Attenuator for damping pressure fluctuations in a hydraulic system
KR1020097021157A KR101484794B1 (ko) 2007-03-09 2008-02-28 유압시스템내의 압력변동을 제동하기 위한 감쇠기
CN200880007678.5A CN101680461B (zh) 2007-03-09 2008-02-28 用于消减液压系统中的压力波动的衰减器

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FI20075165A FI119523B (sv) 2007-03-09 2007-03-09 En dämpare för dämpning av tryckförändringar vid hydraulsystemet och hydraulsystem
FI20075165 2007-03-09

Publications (3)

Publication Number Publication Date
FI20075165A0 FI20075165A0 (sv) 2007-03-09
FI20075165A FI20075165A (sv) 2008-09-10
FI119523B true FI119523B (sv) 2008-12-15

Family

ID=37930076

Family Applications (1)

Application Number Title Priority Date Filing Date
FI20075165A FI119523B (sv) 2007-03-09 2007-03-09 En dämpare för dämpning av tryckförändringar vid hydraulsystemet och hydraulsystem

Country Status (6)

Country Link
EP (1) EP2122184B1 (sv)
KR (1) KR101484794B1 (sv)
CN (1) CN101680461B (sv)
AT (1) ATE555309T1 (sv)
FI (1) FI119523B (sv)
WO (1) WO2008110662A1 (sv)

Families Citing this family (11)

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Publication number Priority date Publication date Assignee Title
CN101737315B (zh) * 2008-11-21 2012-05-09 蔡应麟 消除隔膜泵出水管路震动的结构
JP5582342B2 (ja) * 2009-09-24 2014-09-03 アイシン精機株式会社 車両用オイル供給装置
DE102010052550A1 (de) * 2010-11-25 2012-05-31 Schaeffler Technologies Gmbh & Co. Kg Druckspeicher eines hydraulischen Betätigungssystems
JP5595457B2 (ja) * 2012-09-05 2014-09-24 東海ゴム工業株式会社 コネクタ
DE102013110920B4 (de) * 2013-10-01 2018-08-16 Grammer Ag Fahrzeugsitz mit kraftgesteuertem Dämpfer (2-Rohr-Dämpfer)
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
CN104481859B (zh) * 2014-09-19 2017-02-15 燕山大学 一种压力自反馈涡轮式轴向柱塞泵口脉动吸收调节器
DE102020101739A1 (de) * 2020-01-24 2021-07-29 ECO Holding 1 GmbH Dämpfungseinheit für ein mechatronisch gesteuertes System
CN111992070B (zh) * 2020-09-07 2022-05-03 周夫 一种压力泵式管道加药装置
CN114576458A (zh) * 2020-11-18 2022-06-03 北京机械设备研究所 一种结构可调的流体脉动消振器及其消振方法
CN113833880B (zh) * 2021-08-03 2024-07-12 乌海黑猫炭黑有限责任公司 一种炭黑尾气锅炉蒸汽管道末端阻爆装置

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FR2333191A1 (fr) * 1975-11-26 1977-06-24 Renault Clapet regulateur de pression et d'acceleration hydrauliques
DE3146298A1 (de) * 1981-11-19 1983-06-01 Schiedrum-Hydraulik GmbH & Co KG, 4000 Düsseldorf Vorrichtung zur reduzierung von kurzzeitigen druckspitzen in hydrauliksystemen
NO161281C (no) * 1987-04-23 1989-07-26 Braathen Thor F Sikkerhetsventil for varmtvannsbereder med trykktank.
US5331866A (en) * 1991-06-28 1994-07-26 Volkswagen Ag Camshaft arrangement having a deactivatable cam
WO1994018488A1 (en) * 1993-02-09 1994-08-18 Hydraulic Power Systems, Inc. Pulsation damper device
US6557518B1 (en) * 2002-01-18 2003-05-06 General Motors Corporation Cylinder deactivation apparatus
US6591796B1 (en) * 2002-02-21 2003-07-15 Delphi Technologies, Inc. Combination PCV baffle and retainer for solenoid valves in a hydraulic manifold assembly for variable activation and deactivation of engine valves
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CN1766399A (zh) * 2005-11-11 2006-05-03 潍柴动力股份有限公司 小体积阻尼阀

Also Published As

Publication number Publication date
KR101484794B1 (ko) 2015-01-20
CN101680461B (zh) 2014-07-30
FI20075165A (sv) 2008-09-10
KR20090120507A (ko) 2009-11-24
FI20075165A0 (sv) 2007-03-09
EP2122184B1 (en) 2012-04-25
EP2122184A1 (en) 2009-11-25
WO2008110662A1 (en) 2008-09-18
CN101680461A (zh) 2010-03-24
ATE555309T1 (de) 2012-05-15

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