DE3673285D1 - PUMP DEVICE. - Google Patents

PUMP DEVICE.

Info

Publication number
DE3673285D1
DE3673285D1 DE8686201340T DE3673285T DE3673285D1 DE 3673285 D1 DE3673285 D1 DE 3673285D1 DE 8686201340 T DE8686201340 T DE 8686201340T DE 3673285 T DE3673285 T DE 3673285T DE 3673285 D1 DE3673285 D1 DE 3673285D1
Authority
DE
Germany
Prior art keywords
pump device
control mechanism
displacer members
displacer
members
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
DE8686201340T
Other languages
German (de)
Inventor
Carolus H Holthuis
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.)
Holthuis BV
Original Assignee
Holthuis BV
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 Holthuis BV filed Critical Holthuis BV
Application granted granted Critical
Publication of DE3673285D1 publication Critical patent/DE3673285D1/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
    • F04B11/00—Equalisation of pulses, e.g. by use of air vessels; Counteracting cavitation
    • F04B11/005—Equalisation of pulses, e.g. by use of air vessels; Counteracting cavitation using two or more pumping pistons
    • F04B11/0058—Equalisation of pulses, e.g. by use of air vessels; Counteracting cavitation using two or more pumping pistons with piston speed 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
    • F04B11/00—Equalisation of pulses, e.g. by use of air vessels; Counteracting cavitation
    • 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
    • F04B11/005—Equalisation of pulses, e.g. by use of air vessels; Counteracting cavitation using two or more pumping pistons
    • 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
    • F04B7/00—Piston machines or pumps characterised by having positively-driven valving
    • 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
    • F04B9/00—Piston machines or pumps characterised by the driving or driven means to or from their working members
    • F04B9/08—Piston machines or pumps characterised by the driving or driven means to or from their working members the means being fluid
    • F04B9/10—Piston machines or pumps characterised by the driving or driven means to or from their working members the means being fluid the fluid being liquid
    • F04B9/109—Piston machines or pumps characterised by the driving or driven means to or from their working members the means being fluid the fluid being liquid having plural pumping chambers
    • F04B9/117—Piston machines or pumps characterised by the driving or driven means to or from their working members the means being fluid the fluid being liquid having plural pumping chambers the pumping members not being mechanically connected to each other
    • F04B9/1172—Piston machines or pumps characterised by the driving or driven means to or from their working members the means being fluid the fluid being liquid having plural pumping chambers the pumping members not being mechanically connected to each other the movement of each pump piston in the two directions being obtained by a double-acting piston liquid motor

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Reciprocating Pumps (AREA)
  • Control Of Positive-Displacement Pumps (AREA)
  • Eye Examination Apparatus (AREA)

Abstract

Three cylinder pump (1,2,3) device having displacer members (5,6,7) driven by hydraulic cylinders (22-24) and a control mechanism (31) programmed to ensure constant values for suction as well as delivery of the device, the control mechanism (31) comprising a position recorder (36,38) for the displacer members (8-10).
DE8686201340T 1985-08-06 1986-07-30 PUMP DEVICE. Expired - Fee Related DE3673285D1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
NL8502193A NL8502193A (en) 1985-08-06 1985-08-06 PUMP DEVICE.

Publications (1)

Publication Number Publication Date
DE3673285D1 true DE3673285D1 (en) 1990-09-13

Family

ID=19846396

Family Applications (1)

Application Number Title Priority Date Filing Date
DE8686201340T Expired - Fee Related DE3673285D1 (en) 1985-08-06 1986-07-30 PUMP DEVICE.

Country Status (4)

Country Link
EP (1) EP0212728B1 (en)
AT (1) ATE55450T1 (en)
DE (1) DE3673285D1 (en)
NL (1) NL8502193A (en)

Families Citing this family (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3806502A1 (en) * 1988-03-01 1989-09-21 Karl Eickmann High-pressure pump for non-lubricating fluid and for pressures exceeding a thousand atmospheres
DE3933445A1 (en) * 1989-10-06 1991-04-18 Eickmann Karl Twin piston high pressure pump aggregate - makes use of sensors to determine stroke sequence
JPH03179184A (en) * 1989-12-05 1991-08-05 Nippon Pillar Packing Co Ltd Reciprocating pump
DE4211015A1 (en) * 1992-04-02 1993-10-07 Webasto Thermosysteme Gmbh Piston pump or membrane pump for delivery of fuel to burner for heater - uses balancing system of cylinder chamber and piston to ensure pulsation-free output.
FR2721046B1 (en) * 1994-06-08 1996-08-30 Cyril Sannassee Injection press for a product intended for soil treatment.
DE19638083A1 (en) * 1996-09-19 1998-03-26 Karl Eickmann Piston sensors for high pressure equipment
DE19652298A1 (en) * 1996-12-16 1998-06-18 Rexroth Mannesmann Gmbh Car body deep-drawing press pump with primary-loaded pistons
CN100548229C (en) * 2003-09-30 2009-10-14 爱尔伯电子医疗设备公司 Transport device for sterile media
DE10348832A1 (en) * 2003-09-30 2006-05-18 Erbe Elektromedizin Gmbh Conveying device for transporting sterile fluids through a reservoir to a surgical instrument comprises volumetric pumps, line and valve arrangements for connecting the pump with a source and the consumer, and drive units
CN100385126C (en) * 2005-10-28 2008-04-30 三一重工股份有限公司 Valve oil supplement method for series connection cylinders and apparatus therefor
ITPR20120089A1 (en) * 2012-12-21 2014-06-22 Gea mechanical equipment italia spa HIGH PRESSURE HOMOGENIZER

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4527954A (en) * 1983-01-14 1985-07-09 Halliburton Company Pumping apparatus

Also Published As

Publication number Publication date
ATE55450T1 (en) 1990-08-15
NL8502193A (en) 1987-03-02
EP0212728B1 (en) 1990-08-08
EP0212728A1 (en) 1987-03-04

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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