EP0393800A3 - Valve device - Google Patents

Valve device Download PDF

Info

Publication number
EP0393800A3
EP0393800A3 EP19900201568 EP90201568A EP0393800A3 EP 0393800 A3 EP0393800 A3 EP 0393800A3 EP 19900201568 EP19900201568 EP 19900201568 EP 90201568 A EP90201568 A EP 90201568A EP 0393800 A3 EP0393800 A3 EP 0393800A3
Authority
EP
European Patent Office
Prior art keywords
valve device
valve
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.)
Granted
Application number
EP19900201568
Other versions
EP0393800A2 (en
EP0393800B1 (en
Inventor
Yoshinobu Koiwa
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.)
Little Rock KK
Kelbin Co Ltd
Original Assignee
Little Rock KK
Kelbin 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
Priority claimed from JP63068882A external-priority patent/JP2557250B2/en
Priority claimed from JP63077076A external-priority patent/JP2632540B2/en
Priority claimed from JP63103232A external-priority patent/JPH07113426B2/en
Application filed by Little Rock KK, Kelbin Co Ltd filed Critical Little Rock KK
Publication of EP0393800A2 publication Critical patent/EP0393800A2/en
Publication of EP0393800A3 publication Critical patent/EP0393800A3/en
Application granted granted Critical
Publication of EP0393800B1 publication Critical patent/EP0393800B1/en
Anticipated expiration legal-status Critical
Expired - Lifetime 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
    • F04B53/00—Component parts, details or accessories not provided for in, or of interest apart from, groups F04B1/00 - F04B23/00 or F04B39/00 - F04B47/00
    • 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
    • F04B53/00—Component parts, details or accessories not provided for in, or of interest apart from, groups F04B1/00 - F04B23/00 or F04B39/00 - F04B47/00
    • F04B53/10—Valves; Arrangement of valves
    • F04B53/1002—Ball valves
    • F04B53/1015—Combinations of ball valves working in parallel
    • 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
    • F04B43/00—Machines, pumps, or pumping installations having flexible working members
    • F04B43/02—Machines, pumps, or pumping installations having flexible working members having plate-like flexible members, e.g. diaphragms
    • F04B43/06—Pumps having fluid drive
    • F04B43/067—Pumps having fluid drive the fluid being actuated directly by a piston
    • 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
    • F04B53/00—Component parts, details or accessories not provided for in, or of interest apart from, groups F04B1/00 - F04B23/00 or F04B39/00 - F04B47/00
    • F04B53/10—Valves; Arrangement of valves
    • F04B53/1002—Ball valves
    • 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
    • F04B53/00—Component parts, details or accessories not provided for in, or of interest apart from, groups F04B1/00 - F04B23/00 or F04B39/00 - F04B47/00
    • F04B53/14—Pistons, piston-rods or piston-rod connections
    • F04B53/141—Intermediate liquid piston between the driving piston and the pumped liquid
EP90201568A 1988-03-23 1989-03-16 Valve device Expired - Lifetime EP0393800B1 (en)

Applications Claiming Priority (7)

Application Number Priority Date Filing Date Title
JP68882/88 1988-03-23
JP63068882A JP2557250B2 (en) 1988-03-23 1988-03-23 Fluid pumping device
JP77076/88 1988-03-30
JP63077076A JP2632540B2 (en) 1988-03-30 1988-03-30 Fluid pumping equipment
JP63103232A JPH07113426B2 (en) 1988-04-26 1988-04-26 Valve device
JP103232/88 1988-04-26
EP89302606A EP0343773B1 (en) 1988-03-23 1989-03-16 Fluid pump apparatus and valve device

Related Parent Applications (1)

Application Number Title Priority Date Filing Date
EP89302606.2 Division 1989-03-16

Publications (3)

Publication Number Publication Date
EP0393800A2 EP0393800A2 (en) 1990-10-24
EP0393800A3 true EP0393800A3 (en) 1990-11-07
EP0393800B1 EP0393800B1 (en) 1994-08-17

Family

ID=27299893

Family Applications (3)

Application Number Title Priority Date Filing Date
EP89302606A Expired - Lifetime EP0343773B1 (en) 1988-03-23 1989-03-16 Fluid pump apparatus and valve device
EP90201581A Expired - Lifetime EP0390298B1 (en) 1988-03-23 1989-03-16 Fluid pump apparatus
EP90201568A Expired - Lifetime EP0393800B1 (en) 1988-03-23 1989-03-16 Valve device

Family Applications Before (2)

Application Number Title Priority Date Filing Date
EP89302606A Expired - Lifetime EP0343773B1 (en) 1988-03-23 1989-03-16 Fluid pump apparatus and valve device
EP90201581A Expired - Lifetime EP0390298B1 (en) 1988-03-23 1989-03-16 Fluid pump apparatus

Country Status (5)

Country Link
EP (3) EP0343773B1 (en)
KR (1) KR0181711B1 (en)
AU (1) AU626838B2 (en)
CA (1) CA1338102C (en)
DE (3) DE68920306T2 (en)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5368454A (en) * 1992-07-31 1994-11-29 Graco Inc. Quiet check valve
DE19604132C2 (en) * 1996-02-06 2000-04-13 Hammelmann Paul Maschf High pressure plunger pump, preferably for working pressures above 2,000 bar
US7225163B1 (en) * 1997-10-02 2007-05-29 Sony Corporation Recording/reproducing device and recording/reproducing method
SE518114C2 (en) * 1998-09-28 2002-08-27 Asept Int Ab Pumping device for pumping liquid food
US20110030213A1 (en) * 2009-08-07 2011-02-10 Weir Spm, Inc. Hydraulic installation tool for pump plunger
WO2015081243A1 (en) 2013-11-26 2015-06-04 S.P.M. Flow Control, Inc. Valve seats for use in fracturing pumps
CN106050596B (en) * 2016-06-07 2018-05-25 神华集团有限责任公司 Plunger metering pump

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
BE520270A (en) *
US3298320A (en) * 1965-05-17 1967-01-17 Little Inc A Atraumatic fluid pump
US3363580A (en) * 1966-01-19 1968-01-16 Denver Equip Co Multiple valve pump
US3664770A (en) * 1970-02-18 1972-05-23 Golden Arrow Mfg Ltd Diaphragm pumps
EP0238380A1 (en) * 1986-02-20 1987-09-23 Saint Gobain Vitrage International Pumping of high viscosity materials

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR959521A (en) * 1950-03-31
GB272374A (en) * 1926-09-21 1927-06-16 Nouvelle Soc Des Ateliers Patt Improvements in mud pumps
DE805006C (en) * 1950-01-20 1951-05-04 Westfalia Dinnendahl Groeppel Diaphragm pump
US3520643A (en) * 1968-10-22 1970-07-14 Passavant Werke Sewage pump or the like
JPS5018604B1 (en) * 1971-06-24 1975-07-01
US3802807A (en) * 1972-06-02 1974-04-09 Precision Control Prod Corp Pump
US4378183A (en) * 1980-09-18 1983-03-29 The Pittsburgh & Midway Coal Mining Co. Apparatus and method for pumping hot, erosive slurry of coal solids in coal derived, water immiscible liquid
FR2512123A1 (en) * 1981-08-27 1983-03-04 Scumra MEMBRANE VOLUMETRIC PUMP FOR FRAGILE PARTICLE SUSPENSIONS
JPH0198773A (en) * 1987-09-22 1989-04-17 Yoshinobu Koiwa Valve device

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
BE520270A (en) *
US3298320A (en) * 1965-05-17 1967-01-17 Little Inc A Atraumatic fluid pump
US3363580A (en) * 1966-01-19 1968-01-16 Denver Equip Co Multiple valve pump
US3664770A (en) * 1970-02-18 1972-05-23 Golden Arrow Mfg Ltd Diaphragm pumps
EP0238380A1 (en) * 1986-02-20 1987-09-23 Saint Gobain Vitrage International Pumping of high viscosity materials

Also Published As

Publication number Publication date
AU626838B2 (en) 1992-08-13
DE68920306D1 (en) 1995-02-09
DE68917587T2 (en) 1994-12-15
KR890014899A (en) 1989-10-25
EP0390298B1 (en) 1994-12-28
CA1338102C (en) 1996-03-05
EP0343773A1 (en) 1989-11-29
AU639071B2 (en) 1993-07-15
DE68917587D1 (en) 1994-09-22
DE68910726D1 (en) 1993-12-23
DE68920306T2 (en) 1995-05-18
EP0390298A2 (en) 1990-10-03
EP0390298A3 (en) 1990-10-31
EP0393800A2 (en) 1990-10-24
AU3160689A (en) 1989-09-28
AU7113391A (en) 1991-05-02
EP0343773B1 (en) 1993-11-18
EP0393800B1 (en) 1994-08-17
DE68910726T2 (en) 1994-03-24
KR0181711B1 (en) 1999-05-01

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