DE68910726D1 - Liquid pump and valve device. - Google Patents

Liquid pump and valve device.

Info

Publication number
DE68910726D1
DE68910726D1 DE89302606T DE68910726T DE68910726D1 DE 68910726 D1 DE68910726 D1 DE 68910726D1 DE 89302606 T DE89302606 T DE 89302606T DE 68910726 T DE68910726 T DE 68910726T DE 68910726 D1 DE68910726 D1 DE 68910726D1
Authority
DE
Germany
Prior art keywords
valve device
liquid pump
pump
liquid
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.)
Expired - Fee Related
Application number
DE89302606T
Other languages
German (de)
Other versions
DE68910726T2 (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.)
Bauer Spezialtiefbau GmbH
Original Assignee
LITTLE ROCK CHIBA 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 CHIBA KK, Kelbin Co Ltd filed Critical LITTLE ROCK CHIBA KK
Publication of DE68910726D1 publication Critical patent/DE68910726D1/en
Application granted granted Critical
Publication of DE68910726T2 publication Critical patent/DE68910726T2/en
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
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Details Of Reciprocating Pumps (AREA)
  • Reciprocating Pumps (AREA)
DE89302606T 1988-03-23 1989-03-16 Liquid pump and valve device. Expired - Fee Related DE68910726T2 (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JP63068882A JP2557250B2 (en) 1988-03-23 1988-03-23 Fluid pumping device
JP63077076A JP2632540B2 (en) 1988-03-30 1988-03-30 Fluid pumping equipment
JP63103232A JPH07113426B2 (en) 1988-04-26 1988-04-26 Valve device

Publications (2)

Publication Number Publication Date
DE68910726D1 true DE68910726D1 (en) 1993-12-23
DE68910726T2 DE68910726T2 (en) 1994-03-24

Family

ID=27299893

Family Applications (3)

Application Number Title Priority Date Filing Date
DE89302606T Expired - Fee Related DE68910726T2 (en) 1988-03-23 1989-03-16 Liquid pump and valve device.
DE68920306T Expired - Fee Related DE68920306T2 (en) 1988-03-23 1989-03-16 Fluid pump arrangement.
DE68917587T Expired - Fee Related DE68917587T2 (en) 1988-03-23 1989-03-16 Valve arrangement.

Family Applications After (2)

Application Number Title Priority Date Filing Date
DE68920306T Expired - Fee Related DE68920306T2 (en) 1988-03-23 1989-03-16 Fluid pump arrangement.
DE68917587T Expired - Fee Related DE68917587T2 (en) 1988-03-23 1989-03-16 Valve arrangement.

Country Status (5)

Country Link
EP (3) EP0343773B1 (en)
KR (1) KR0181711B1 (en)
AU (1) AU626838B2 (en)
CA (1) CA1338102C (en)
DE (3) DE68910726T2 (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
DE69823640T2 (en) * 1997-10-02 2005-04-28 Sony Corp. RECORDING / PLAYING DEVICE AND RECORDING / REPLAYING 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

Family Cites Families (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR959521A (en) * 1950-03-31
BE520270A (en) *
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
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
US3520643A (en) * 1968-10-22 1970-07-14 Passavant Werke Sewage pump or the like
US3664770A (en) * 1970-02-18 1972-05-23 Golden Arrow Mfg Ltd Diaphragm pumps
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
DE3760884D1 (en) * 1986-02-20 1989-11-30 Saint Gobain Vitrage Pumping of high viscosity materials
JPH0198773A (en) * 1987-09-22 1989-04-17 Yoshinobu Koiwa Valve device

Also Published As

Publication number Publication date
AU626838B2 (en) 1992-08-13
EP0390298A2 (en) 1990-10-03
EP0390298B1 (en) 1994-12-28
EP0390298A3 (en) 1990-10-31
DE68917587D1 (en) 1994-09-22
DE68920306D1 (en) 1995-02-09
KR890014899A (en) 1989-10-25
CA1338102C (en) 1996-03-05
EP0343773B1 (en) 1993-11-18
EP0393800A2 (en) 1990-10-24
AU639071B2 (en) 1993-07-15
EP0393800A3 (en) 1990-11-07
DE68910726T2 (en) 1994-03-24
DE68917587T2 (en) 1994-12-15
AU3160689A (en) 1989-09-28
KR0181711B1 (en) 1999-05-01
AU7113391A (en) 1991-05-02
DE68920306T2 (en) 1995-05-18
EP0343773A1 (en) 1989-11-29
EP0393800B1 (en) 1994-08-17

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8327 Change in the person/name/address of the patent owner

Owner name: BAUER SPEZIALTIEFBAU GMBH, 86529 SCHROBENHAUSEN, D

8339 Ceased/non-payment of the annual fee