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DE69830694D1 - Vorrichtung zum dämpfen von pulsationen - Google Patents

Vorrichtung zum dämpfen von pulsationen

Info

Publication number
DE69830694D1
DE69830694D1 DE69830694T DE69830694T DE69830694D1 DE 69830694 D1 DE69830694 D1 DE 69830694D1 DE 69830694 T DE69830694 T DE 69830694T DE 69830694 T DE69830694 T DE 69830694T DE 69830694 D1 DE69830694 D1 DE 69830694D1
Authority
DE
Germany
Prior art keywords
damping pulsations
pulsations
damping
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.)
Expired - Fee Related
Application number
DE69830694T
Other languages
English (en)
Other versions
DE69830694T2 (de
Inventor
Eiichi Kojima
Seiichiro Takeshita
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
Application granted granted Critical
Publication of DE69830694D1 publication Critical patent/DE69830694D1/de
Publication of DE69830694T2 publication Critical patent/DE69830694T2/de
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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
    • F04B11/00—Equalisation of pulses, e.g. by use of air vessels; Counteracting cavitation
    • F04B11/0091—Equalisation of pulses, e.g. by use of air vessels; Counteracting cavitation using a special shape of fluid pass, e.g. throttles, ducts
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T137/00—Fluid handling
    • Y10T137/8593—Systems
    • Y10T137/85978—With pump
    • Y10T137/86035—Combined with fluid receiver
    • Y10T137/86043—Reserve or surge receiver

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Pipe Accessories (AREA)
  • Reciprocating Pumps (AREA)
DE1998630694 1997-04-02 1998-04-01 Vorrichtung zum dämpfen von pulsationen Expired - Fee Related DE69830694T2 (de)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JP8368197 1997-04-02
JP8368197 1997-04-02
PCT/JP1998/001494 WO1998044259A1 (en) 1997-04-02 1998-04-01 Pulsation reducing device

Publications (2)

Publication Number Publication Date
DE69830694D1 true DE69830694D1 (de) 2005-08-04
DE69830694T2 DE69830694T2 (de) 2006-05-04

Family

ID=13809241

Family Applications (1)

Application Number Title Priority Date Filing Date
DE1998630694 Expired - Fee Related DE69830694T2 (de) 1997-04-02 1998-04-01 Vorrichtung zum dämpfen von pulsationen

Country Status (6)

Country Link
US (1) US6116872A (de)
EP (1) EP0908622B1 (de)
JP (1) JP3604402B2 (de)
CN (1) CN1134589C (de)
DE (1) DE69830694T2 (de)
WO (1) WO1998044259A1 (de)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2007187099A (ja) * 2006-01-13 2007-07-26 Toyota Motor Corp 燃料配管の防振構造
DE102014212021A1 (de) * 2014-06-23 2015-12-24 Putzmeister Solid Pumps Gmbh Vorrichtung und Verfahren zum Dämpfen von Druckschwankungen in der Förderleitung einer Dickstoffpumpe
DE102014109066A1 (de) 2014-06-27 2015-12-31 Claas Industrietechnik Gmbh Getriebeanordnung
DE102018212148A1 (de) * 2018-07-20 2020-01-23 Robert Bosch Gmbh Hydromaschine mit Dämpfungsschlauch für die Verstelleinrichtung
US10907631B2 (en) * 2018-08-01 2021-02-02 Rolls-Royce Corporation Pump ripple pressure monitoring for incompressible fluid systems
JP7226175B2 (ja) * 2019-07-31 2023-02-21 トヨタ自動車株式会社 配管及びブレーキシステム
US20210131422A1 (en) * 2019-11-04 2021-05-06 Saudi Arabian Oil Company Pump noise dampener
CN113685343B (zh) * 2021-09-08 2022-06-03 燕山大学 轴向柱塞泵或马达内部旋转组件搅拌损失测试装置
WO2025147305A1 (en) * 2024-01-01 2025-07-10 Parker-Hannifin Corporation Hydraulic pump with an attenuator

Family Cites Families (23)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1777891A (en) * 1928-11-16 1930-10-07 Stewart Warner Corp Pressure-trapping chamber for fuel pumps
US2100404A (en) * 1932-08-16 1937-11-30 Bell Telephone Labor Inc Fluid transmission
US2256370A (en) * 1940-02-15 1941-09-16 Oil Well Supply Co Automatic air chamber
US2936041A (en) * 1955-06-10 1960-05-10 Southern Gas Ass Pulsation dampening apparatus
AT254465B (de) * 1963-12-09 1967-05-26 Lothar Dr Ing Cremer Absorptionsschalldämpfer für Gasleitungen, insbesondere Lüftungsleitungen
FR2203485A5 (de) * 1972-10-17 1974-05-10 Guinard Pompes
JPS5243104A (en) * 1975-10-01 1977-04-04 Kajima Corp Damper for an air pressure wave with a low frequency
US4285534A (en) * 1979-12-28 1981-08-25 Nichirin Rubber Industrial Co., Ltd. Pulsation-absorbing flexible pipe for pressure fluid device
DE3044082C2 (de) * 1980-11-24 1989-11-23 Balcke-Dürr AG, 4030 Ratingen Anordnung zur Dämpfung von Flüssigkeitsschwingungen in einem Rohrleitungsnetz
US4448217A (en) * 1982-09-27 1984-05-15 The Normand Trust Accumulator having bladder in expansion limiting contact with casing
JPS6040720A (ja) 1983-08-12 1985-03-04 Fuji Heavy Ind Ltd 車両用エンジンの２次空気供給装置
JPS6043423U (ja) * 1983-08-26 1985-03-27 スズキ株式会社 内燃機関の吸気音消音装置
US4679597A (en) * 1985-12-20 1987-07-14 Kim Hotstart Mfg. Co., Inc. Liquid pulsation dampening device
JPH03502829A (ja) * 1988-12-17 1991-06-27 アルフレツド・デヴエス・ゲー・エム・ベーハー 液圧ポンプ
DE3922101A1 (de) * 1989-07-05 1991-01-10 Aeroquip Gmbh Dehnschlauchleitung zur reduzierung der in hydraulikkreislaeufen durch hydropumpen hervorgerufenen druckpulsationen
JP2708908B2 (ja) * 1989-09-20 1998-02-04 三洋電機株式会社 圧縮機の消音装置
WO1995025223A1 (en) * 1994-03-11 1995-09-21 Wilson Greatbatch Ltd. Low power electromagnetic pump
JPH07269433A (ja) * 1994-03-31 1995-10-17 Tsuchiya Mfg Co Ltd 合成樹脂製複合型消音器
JPH0814469A (ja) * 1994-07-01 1996-01-16 Hitachi Constr Mach Co Ltd 油圧脈動低減装置
JPH08185189A (ja) * 1994-12-28 1996-07-16 Tsuchiya Mfg Co Ltd アクティブノイズコントロール方式の消音装置
JPH0942576A (ja) * 1995-07-26 1997-02-14 Hitachi Constr Mach Co Ltd 圧油脈動低減装置
JPH0960785A (ja) * 1995-08-21 1997-03-04 Hitachi Constr Mach Co Ltd 圧油脈動低減装置
US5957664A (en) * 1996-11-08 1999-09-28 Air Products And Chemicals, Inc. Gas pulsation dampener for positive displacement blowers and compressors

Also Published As

Publication number Publication date
US6116872A (en) 2000-09-12
CN1134589C (zh) 2004-01-14
CN1222957A (zh) 1999-07-14
DE69830694T2 (de) 2006-05-04
EP0908622A1 (de) 1999-04-14
WO1998044259A1 (en) 1998-10-08
JP3604402B2 (ja) 2004-12-22
EP0908622B1 (de) 2005-06-29
EP0908622A4 (de) 2001-04-25

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee