JPH0154553B2 - - Google Patents

Info

Publication number
JPH0154553B2
JPH0154553B2 JP61278963A JP27896386A JPH0154553B2 JP H0154553 B2 JPH0154553 B2 JP H0154553B2 JP 61278963 A JP61278963 A JP 61278963A JP 27896386 A JP27896386 A JP 27896386A JP H0154553 B2 JPH0154553 B2 JP H0154553B2
Authority
JP
Japan
Prior art keywords
pressure
increase
plunger
high pressure
plunger chamber
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
Application number
JP61278963A
Other languages
English (en)
Japanese (ja)
Other versions
JPS63131873A (ja
Inventor
Keitaro Yonezawa
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.)
Kosmek KK
Original Assignee
Kosmek KK
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 Kosmek KK filed Critical Kosmek KK
Priority to JP61278963A priority Critical patent/JPS63131873A/ja
Priority to DE8787402487T priority patent/DE3781770T2/de
Priority to EP87402487A priority patent/EP0269500B1/en
Priority to US07/123,552 priority patent/US4850828A/en
Publication of JPS63131873A publication Critical patent/JPS63131873A/ja
Publication of JPH0154553B2 publication Critical patent/JPH0154553B2/ja
Granted 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
    • F04B49/00—Control, e.g. of pump delivery, or pump pressure of, or safety measures for, machines, pumps, or pumping installations, not otherwise provided for, or of interest apart from, groups F04B1/00 - F04B47/00
    • F04B49/02—Stopping, starting, unloading or idling control
    • 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
    • F04B1/02—Multi-cylinder machines or pumps characterised by number or arrangement of cylinders having two cylinders

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Details Of Reciprocating Pumps (AREA)
  • Fluid-Pressure Circuits (AREA)
  • Reciprocating Pumps (AREA)
JP61278963A 1986-11-21 1986-11-21 急速昇圧式プランジヤポンプ Granted JPS63131873A (ja)

Priority Applications (4)

Application Number Priority Date Filing Date Title
JP61278963A JPS63131873A (ja) 1986-11-21 1986-11-21 急速昇圧式プランジヤポンプ
DE8787402487T DE3781770T2 (de) 1986-11-21 1987-11-04 Schnellen druck aufbauende tauchkolbenpumpe.
EP87402487A EP0269500B1 (en) 1986-11-21 1987-11-04 Plunger pump of quick pressure-rise type
US07/123,552 US4850828A (en) 1986-11-21 1987-11-20 Plunger pump of quick pressure-rise type

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP61278963A JPS63131873A (ja) 1986-11-21 1986-11-21 急速昇圧式プランジヤポンプ

Publications (2)

Publication Number Publication Date
JPS63131873A JPS63131873A (ja) 1988-06-03
JPH0154553B2 true JPH0154553B2 (en]) 1989-11-20

Family

ID=17604505

Family Applications (1)

Application Number Title Priority Date Filing Date
JP61278963A Granted JPS63131873A (ja) 1986-11-21 1986-11-21 急速昇圧式プランジヤポンプ

Country Status (4)

Country Link
US (1) US4850828A (en])
EP (1) EP0269500B1 (en])
JP (1) JPS63131873A (en])
DE (1) DE3781770T2 (en])

Families Citing this family (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5575627A (en) * 1995-01-12 1996-11-19 Hyvair Corporation High and low pressure two stage pump and pumping method
JP3667870B2 (ja) * 1996-04-16 2005-07-06 株式会社コスメック 流体圧シリンダ装置
ATE231217T1 (de) * 1997-07-19 2003-02-15 Klauke Gmbh Gustav Kolbenpumpe
US6079956A (en) * 1998-03-26 2000-06-27 Trench Plate Rental Co., Inc. Multi-stage hydraulic pump
US6158973A (en) * 1998-03-26 2000-12-12 Trench Plate Rental Co., Inc. Multi-stage manual hydraulic pump
JP3843710B2 (ja) * 2000-07-21 2006-11-08 株式会社豊田自動織機 燃料噴射器
WO2008151628A1 (en) * 2007-06-12 2008-12-18 Iop Marine A/S Two-step-pump
ITBS20080184A1 (it) * 2008-10-22 2010-04-23 Ghim Hydraulics S R L Pompa idraulica con sistema di azionamento pneumatico
JP5858748B2 (ja) * 2011-11-22 2016-02-10 株式会社クボタ 作業機の油圧駆動装置
EP2634426B1 (de) * 2012-03-02 2014-05-14 HAWE Hydraulik SE Zweistufenpumpe
EP3009681A1 (de) * 2014-10-15 2016-04-20 HILTI Aktiengesellschaft Aktive und passive Selbstentleerung einer selbstansaugenden Wasserpumpe
DE102015219528A1 (de) * 2015-10-08 2017-04-13 Zf Friedrichshafen Ag Saugkanalsystem für ein Getriebe
DE102017200212B4 (de) * 2017-01-09 2021-12-16 Hawe Hydraulik Se Zweistufenpumpe mit Umschaltventil
CN112031932B (zh) * 2020-09-17 2022-04-29 天津大学 一种具有液压同步机构的对置式液压自由活塞发动机及其驱动方法
US20250129774A1 (en) * 2023-10-23 2025-04-24 Shawn Kahan Dual motor pump assembly

Family Cites Families (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1760070A (en) * 1926-11-17 1930-05-27 Celanese Corp Pumping apparatus
DE521244C (de) * 1930-02-05 1931-03-19 Richard Herrmann Vorrichtung zur Regelung der Foerdermenge des Hochdruckteils einer zwei- oder mehrstufigen Druckpumpe
FR841804A (fr) * 1938-08-06 1939-05-31 Gamain Sa Des Atel Compresseur perfectionné
US2472802A (en) * 1947-06-04 1949-06-14 Westinghouse Electric Corp Lubrication system
US2530682A (en) * 1949-03-05 1950-11-21 Dihydrol Company Water treatment pump with measuring trap
US2653543A (en) * 1950-05-03 1953-09-29 Hobson Ltd H M Hydraulic pump
US2820415A (en) * 1956-03-12 1958-01-21 Ray W Born Low pressure, high volume-high pressure, low volume pump
GB1216094A (en) * 1967-08-16 1970-12-16 Cav Ltd Liquid fuel injection pumping apparatus
US3578880A (en) * 1969-07-24 1971-05-18 Chandler Evans Inc Diaphragm operated priming device for centrifugal impeller pump
CH535380A (de) * 1971-01-21 1973-03-31 Woog Inst Rech Flüssigkeitskolbenpumpe zur wahlweisen Speisung eines Hydraulikmotors oder einer einen Flüssigkeitsstrahl ausstossenden Spritzdüse
US3776665A (en) * 1971-07-08 1973-12-04 Westran Corp Two stage fluid pump
ZA792240B (en) * 1978-05-26 1980-08-27 Brock Equipment Co A twospeed pump assembly
DE2918482A1 (de) * 1979-05-08 1980-11-13 Wabco Fahrzeugbremsen Gmbh Regelung von drucklufterzeugeranlagen
JPS58180790A (ja) * 1982-04-19 1983-10-22 Jidosha Kiki Co Ltd オイルポンプ
EP0131598A1 (en) * 1982-12-29 1985-01-23 NORTON, Peter Multiple displacement hydraulic pump sytem with automatic displacement control for brake boosters and the like

Also Published As

Publication number Publication date
JPS63131873A (ja) 1988-06-03
EP0269500B1 (en) 1992-09-16
EP0269500A2 (en) 1988-06-01
DE3781770T2 (de) 1993-04-08
DE3781770D1 (de) 1992-10-22
US4850828A (en) 1989-07-25
EP0269500A3 (en) 1989-12-13

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Legal Events

Date Code Title Description
LAPS Cancellation because of no payment of annual fees