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WO1999056052A8 - Fluid pulsation reduction device - Google Patents

Fluid pulsation reduction device

Info

Publication number
WO1999056052A8
WO1999056052A8 PCT/JP1999/002123 JP9902123W WO9956052A8 WO 1999056052 A8 WO1999056052 A8 WO 1999056052A8 JP 9902123 W JP9902123 W JP 9902123W WO 9956052 A8 WO9956052 A8 WO 9956052A8
Authority
WO
WIPO (PCT)
Prior art keywords
container
connection pipe
reduction device
pulsation reduction
fluid pulsation
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.)
Ceased
Application number
PCT/JP1999/002123
Other languages
French (fr)
Japanese (ja)
Other versions
WO1999056052A1 (en
Inventor
Eiichi Kojima
Donghui Cao
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.)
Hitachi Construction Machinery Co Ltd
Original Assignee
Hitachi Construction Machinery Co Ltd
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 Hitachi Construction Machinery Co Ltd filed Critical Hitachi Construction Machinery Co Ltd
Priority to JP55279199A priority Critical patent/JP3392879B2/en
Publication of WO1999056052A1 publication Critical patent/WO1999056052A1/en
Publication of WO1999056052A8 publication Critical patent/WO1999056052A8/en
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

Links

Classifications

    • 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
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
    • F04B11/00—Equalisation of pulses, e.g. by use of air vessels; Counteracting cavitation
    • F04B11/0008—Equalisation of pulses, e.g. by use of air vessels; Counteracting cavitation using accumulators

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Pipe Accessories (AREA)
  • Reciprocating Pumps (AREA)

Abstract

A pulsation damping device capable of damping pulsation of a plurality of frequencies and being reduced in overall size, wherein a first container (14) is disposed on the tip end side of a first connection pipe (13) connected to a pipe (3) so as to form a first pulsation damping device (12) with the first connection pipe (13) and the first container (14), a second connection pipe (16) is connected to the first container (14) and a second container (17) is connected to the tip end side of the connection pipe (16) so as to form a second pulsation damping device (15) with the second connection pipe (16) and the second container (17), and the first and second pulsation damping devices (12) and (15) are series-connected.
PCT/JP1999/002123 1998-04-24 1999-04-21 Fluid pulsation reduction device Ceased WO1999056052A1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP55279199A JP3392879B2 (en) 1998-04-24 1999-04-21 Fluid pulsation reduction device

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP13110598 1998-04-24
JP10/131105 1998-04-24

Publications (2)

Publication Number Publication Date
WO1999056052A1 WO1999056052A1 (en) 1999-11-04
WO1999056052A8 true WO1999056052A8 (en) 1999-12-23

Family

ID=15050104

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/JP1999/002123 Ceased WO1999056052A1 (en) 1998-04-24 1999-04-21 Fluid pulsation reduction device

Country Status (2)

Country Link
JP (1) JP3392879B2 (en)
WO (1) WO1999056052A1 (en)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6805841B2 (en) * 2001-05-09 2004-10-19 The Provost Fellows And Scholars Of The College Of The Holy And Undivided Trinity Of Queen Elizabeth Near Dublin Liquid pumping system
JP4755456B2 (en) * 2005-07-08 2011-08-24 日立オートモティブシステムズ株式会社 Oil pump
US7328722B2 (en) * 2005-12-07 2008-02-12 Accuri Cytometers, Inc. Pulsation attenuator for a fluidic system
JP4347859B2 (en) 2006-03-24 2009-10-21 本田技研工業株式会社 Oil pump
US8507279B2 (en) 2009-06-02 2013-08-13 Accuri Cytometers, Inc. System and method of verification of a prepared sample for a flow cytometer
WO2011159708A1 (en) 2010-06-14 2011-12-22 Accuri Cytometers, Inc. System and method for creating a flow cytometer network
EP2633284B1 (en) 2010-10-25 2021-08-25 Accuri Cytometers, Inc. Systems and user interface for collecting a data set in a flow cytometer
US20230304484A1 (en) * 2020-08-19 2023-09-28 Spm Oil & Gas Inc. Modular suction stabilizer
WO2025147305A1 (en) * 2024-01-01 2025-07-10 Parker-Hannifin Corporation Hydraulic pump with an attenuator

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6335893U (en) * 1986-08-25 1988-03-08
JP3564779B2 (en) * 1994-03-10 2004-09-15 石川島播磨重工業株式会社 Resonant sound generation prevention device for cavity
JPH0932990A (en) * 1995-07-20 1997-02-07 Hitachi Constr Mach Co Ltd Pulsation reduction device
JPH09287692A (en) * 1996-04-23 1997-11-04 Hitachi Constr Mach Co Ltd Helmholtz pulsation reducer

Also Published As

Publication number Publication date
WO1999056052A1 (en) 1999-11-04
JP3392879B2 (en) 2003-03-31

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WR Later publication of a revised version of an international search report
121 Ep: the epo has been informed by wipo that ep was designated in this application
122 Ep: pct application non-entry in european phase