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
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).
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)
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)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4527954A (en) * | 1983-01-14 | 1985-07-09 | Halliburton Company | Pumping apparatus |
-
1985
- 1985-08-06 NL NL8502193A patent/NL8502193A/en not_active Application Discontinuation
-
1986
- 1986-07-30 AT AT86201340T patent/ATE55450T1/en not_active IP Right Cessation
- 1986-07-30 EP EP86201340A patent/EP0212728B1/en not_active Expired - Lifetime
- 1986-07-30 DE DE8686201340T patent/DE3673285D1/en not_active Expired - Fee Related
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 |