EP1013928A2 - Pompe à pistons axiaux à plateau en biais avec disposif d'amortissement de pulsation - Google Patents
Pompe à pistons axiaux à plateau en biais avec disposif d'amortissement de pulsation Download PDFInfo
- Publication number
- EP1013928A2 EP1013928A2 EP99124966A EP99124966A EP1013928A2 EP 1013928 A2 EP1013928 A2 EP 1013928A2 EP 99124966 A EP99124966 A EP 99124966A EP 99124966 A EP99124966 A EP 99124966A EP 1013928 A2 EP1013928 A2 EP 1013928A2
- Authority
- EP
- European Patent Office
- Prior art keywords
- channels
- control
- piston pump
- axial piston
- pump according
- 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.)
- Withdrawn
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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
- F04B1/00—Multi-cylinder machines or pumps characterised by number or arrangement of cylinders
- F04B1/12—Multi-cylinder machines or pumps characterised by number or arrangement of cylinders having cylinder axes coaxial with, or parallel or inclined to, main shaft axis
- F04B1/20—Multi-cylinder machines or pumps characterised by number or arrangement of cylinders having cylinder axes coaxial with, or parallel or inclined to, main shaft axis having rotary cylinder block
- F04B1/2014—Details or component parts
- F04B1/2042—Valves
Definitions
- the invention relates to an axial piston pump in Swashplate construction with a driven rotating and a plurality of piston bores arranged therein having cylinder drum, in each case by Bars linearly separated piston bores between bottom dead center and top dead center movable pistons are arranged and a Low pressure connection kidney and a high pressure connection kidney having control disc is provided, and wherein the Piston bores through the cylinder drum alternating with the low pressure connection kidney and the High pressure connection kidneys are brought into overlap and the low-pressure connection kidney from the High-pressure connection kidney-separating web in the control disk paint over, and taking to avoid a Pressure pulsation in the connection plate one over each at least one channel with the sweeping Piston bore associated rerouting capacity is provided.
- the invention is therefore based on the object Axial piston pump with the generic features that Continue to limit the occurrence of pulsations and a softer control of the piston bore in the Ensure high pressure connection kidney.
- connection plate as well as in the in the control disc trained web for connecting the reversing capacity with at least the piston bores going over the web two channels are formed with associated outlet holes are.
- the Invention associated with the piston bore s Outlet holes of the channels on the through the Low pressure connection kidney and the high pressure connection kidney arranged pitch circle arranged.
- the outlet holes and the channels can optionally be one same or a different diameter exhibit.
- Exit holes of the channels especially in two existing channels through a recess enclosing them connected to each other in the web of the control disc.
- the exit holes which in each case from the rerouting capacity to the above the web formed by the control disc Piston bores formed channels with control notches and / or control notches are provided, whereby after a Embodiment of the invention in the direction of rotation Cylinder drum first exit hole with a longer one Control notch and one connecting to the exit hole shorter control notch is provided.
- Cylinder drum first exit hole with a longer one Control notch and one connecting to the exit hole shorter control notch is provided.
- with two channels in the connection plate and the web the second in the direction of rotation of the cylinder drum Exit hole with a shorter drive notch and one longer control notch is provided.
- this depression with a Control notch and / or a control notch.
- FIG Axial piston pump is one over a not shown Drive via a shaft 9 to be set in rotation Cylinder drum 10, in the outer area axially aligned piston bores 11 are arranged.
- a piston 12 is linearly movable arranged, which on an end face of the cylinder drum 10th with a ball 13 in a pan 14 one outside of the Cylinder drum 10 arranged slide shoe 15 mounted is.
- the slide shoe 15 runs on a stationary arranged swash plate 16 so that the rotation of the Cylinder drum 10 opposite the swash plate 16 in one linear movement, movement axially to the axis of rotation of the piston 12 can be implemented in the piston bore 11.
- Control disc 20 On the face opposite the swash plate 16 the cylinder drum 10 is also fixed Control disc 20 arranged in which one over a partial circumference extending kidney 18 for the High pressure area is formed; not in this view a correspondingly trained is shown Low-pressure connection kidney 19, the connection kidneys 18, 19 through a web 26 in the control disk 20 (FIG. 2) are separated.
- a reversal of the connection is shown schematically in FIG the piston bore 11 with the low-pressure connection kidney 19 on the one hand and the high-pressure connection kidney 18 on the other shown, the reversal via a Reversal capacity takes place.
- This is in the connection plate 17 a reversing capacitance 23 is formed, of which two Lead channels 24 to the front of the cylinder drum 11 and each end in an exit hole 27 (FIGS. 3 to 5), A resistor 25 is in each case in the channels 24 switched on.
- the Exit holes 27 with correspondingly arranged Control notches 28 or control notches 30 may be provided, wherein in the direction of rotation of the cylinder drum 10 of the Low-pressure connection kidney 19 to high-pressure connection kidney 18 the first exit hole 27 with a circumferential direction of the Control disc 20 having a longer extension Drive notch 28 and a shorter drive notch 30 is provided, while the one behind it in the direction of rotation Exit hole 27 first a shorter drive notch 28 and a longer one in the direction of the high-pressure connection kidney 18 Control notch 30 has.
- This control and Dowel notches are in number, shape, location and size each variable and can thus be used to optimize the Reversal process can be designed accordingly.
- FIG. 5 is an embodiment of the invention shown, in which the outlet holes 27 two Channels 24 via a recess 27 enclosing them are connected to each other, so that here too correspondingly soft control characteristic results.
- the depression 29 can preferably be kidney-shaped trained and on the by the connection kidneys 18, 19th predetermined pitch circle can be arranged, in addition on Start and end of the specialization 29 control notches or Control notches can be provided.
- outlet holes 27 and the channels 24 have the same or one have different diameters.
- the Exit holes 27 with the adjoining channels 24 can also have a variable sequence Have diameters and they can vary Angular positions can be arranged to each other.
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Reciprocating Pumps (AREA)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE19859328 | 1998-12-22 | ||
DE19859328 | 1998-12-22 |
Publications (2)
Publication Number | Publication Date |
---|---|
EP1013928A2 true EP1013928A2 (fr) | 2000-06-28 |
EP1013928A3 EP1013928A3 (fr) | 2000-11-08 |
Family
ID=7892162
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP99124966A Withdrawn EP1013928A3 (fr) | 1998-12-22 | 1999-12-15 | Pompe à pistons axiaux à plateau en biais avec disposif d'amortissement de pulsation |
Country Status (2)
Country | Link |
---|---|
US (1) | US6361285B1 (fr) |
EP (1) | EP1013928A3 (fr) |
Cited By (99)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP1174617A2 (fr) * | 2000-07-18 | 2002-01-23 | Liebherr Machines Bulle SA | Machine hydrostatique à pistons axiaux |
DE10135800A1 (de) * | 2001-07-23 | 2003-02-13 | Sauer Danfoss Neumuenster Gmbh | Druckmittelaggregat mit kontinuierlich steuerbarem Strömungsquerschnitt in der Umsteuerung |
DE10232513B4 (de) * | 2002-07-18 | 2014-02-06 | Linde Hydraulics Gmbh & Co. Kg | Pulsationsoptimierte hydrostatische Verdrängermaschine, insbesondere Axial- oder Radialkolbenmaschine |
DE102012215238A1 (de) | 2012-08-28 | 2014-03-06 | Robert Bosch Gmbh | Schrägscheibenmaschine |
DE102012215240A1 (de) | 2012-08-28 | 2014-03-06 | Robert Bosch Gmbh | Schrägscheibenmaschine |
DE102012220743A1 (de) | 2012-11-14 | 2014-05-15 | Robert Bosch Gmbh | Schrägscheibenmaschine |
DE102012222962A1 (de) | 2012-12-12 | 2014-06-12 | Robert Bosch Gmbh | Schrägscheibenmaschine |
DE102012222717A1 (de) | 2012-12-11 | 2014-06-12 | Robert Bosch Gmbh | Antriebsstrang |
DE102012222950A1 (de) | 2012-12-12 | 2014-06-12 | Robert Bosch Gmbh | Schrägscheibenmaschine |
DE102013200705A1 (de) | 2013-01-18 | 2014-07-24 | Robert Bosch Gmbh | Schrägscheibenmaschine |
DE102013200736A1 (de) | 2013-01-18 | 2014-07-24 | Robert Bosch Gmbh | Schrägscheibenmaschine |
WO2014111360A1 (fr) * | 2013-01-18 | 2014-07-24 | Robert Bosch Gmbh | Machine à plateau oscillant |
DE102013200715A1 (de) | 2013-01-18 | 2014-07-24 | Robert Bosch Gmbh | Schrägscheibenmaschine |
DE102013200718A1 (de) | 2013-01-18 | 2014-07-24 | Robert Bosch Gmbh | Schrägscheibenmaschine |
DE102013200753A1 (de) | 2013-01-18 | 2014-07-24 | Robert Bosch Gmbh | Schrägscheibenmaschine |
DE102013200725A1 (de) | 2013-01-18 | 2014-07-24 | Robert Bosch Gmbh | Schrägscheibenmaschine |
DE102013202296A1 (de) | 2013-02-13 | 2014-08-14 | Robert Bosch Gmbh | Schrägscheibenmaschine |
DE102013202295A1 (de) | 2013-02-13 | 2014-08-14 | Robert Bosch Gmbh | Schrägscheibenmaschine |
DE102013203221A1 (de) | 2013-02-27 | 2014-08-28 | Robert Bosch Gmbh | Schrägscheibenmaschine |
DE102013203787A1 (de) | 2013-03-06 | 2014-09-11 | Robert Bosch Gmbh | Schrägscheibenmaschine |
DE102013205449A1 (de) | 2013-03-27 | 2014-10-02 | Robert Bosch Gmbh | Schrägscheibenmaschine |
DE102013209483A1 (de) | 2013-05-22 | 2014-11-27 | Robert Bosch Gmbh | Schrägscheibenmaschine |
DE102013209476A1 (de) | 2013-05-22 | 2014-11-27 | Robert Bosch Gmbh | Schrägscheibenmaschine |
DE102013209724A1 (de) | 2013-05-24 | 2014-11-27 | Robert Bosch Gmbh | Schrägscheibenmaschine |
DE102013209492A1 (de) | 2013-05-22 | 2014-11-27 | Robert Bosch Gmbh | Schrägscheibenmaschine |
DE102013209463A1 (de) | 2013-05-22 | 2014-11-27 | Robert Bosch Gmbh | Schrägscheibenmaschine |
DE102013209478A1 (de) | 2013-05-22 | 2014-11-27 | Robert Bosch Gmbh | Schrägscheibenmaschine |
DE102013210404A1 (de) | 2013-06-05 | 2014-12-11 | Robert Bosch Gmbh | Schrägscheibenmaschine |
DE102013210387A1 (de) | 2013-06-05 | 2014-12-11 | Robert Bosch Gmbh | Schrägscheibenmaschine |
DE102013210400A1 (de) | 2013-06-05 | 2014-12-11 | Robert Bosch Gmbh | Schrägscheibenmaschine |
DE102013210440A1 (de) | 2013-06-05 | 2014-12-11 | Robert Bosch Gmbh | Schrägscheibenmaschine |
DE102013008676A1 (de) * | 2013-05-22 | 2014-12-11 | Hydac Drive Center Gmbh | Axialkolbenpumpe |
DE102013211882A1 (de) | 2013-06-24 | 2014-12-24 | Robert Bosch Gmbh | Schrägscheibenmaschine |
DE102013212148A1 (de) | 2013-06-25 | 2015-01-08 | Robert Bosch Gmbh | Schrägscheibenmaschine |
DE102013212147A1 (de) | 2013-06-25 | 2015-01-08 | Robert Bosch Gmbh | Schrägscheibenmaschine |
DE102013215597A1 (de) | 2013-08-07 | 2015-02-12 | Robert Bosch Gmbh | Schrägscheibenmaschine |
DE102013215634A1 (de) | 2013-08-08 | 2015-02-12 | Robert Bosch Gmbh | Schrägscheibenmaschine |
DE102013215635A1 (de) | 2013-08-08 | 2015-02-12 | Robert Bosch Gmbh | Schrägscheibenmaschine |
DE102013215672A1 (de) | 2013-08-08 | 2015-02-12 | Robert Bosch Gmbh | Schrägscheibenmaschine |
DE102013215680A1 (de) | 2013-08-08 | 2015-02-12 | Robert Bosch Gmbh | Schrägscheibenmaschine |
DE102013218124A1 (de) | 2013-09-11 | 2015-03-12 | Robert Bosch Gmbh | Schrägscheibenmaschine |
DE102013220231A1 (de) | 2013-10-08 | 2015-04-09 | Robert Bosch Gmbh | Schrägscheibenmaschine |
DE102013221907A1 (de) | 2013-10-29 | 2015-04-30 | Robert Bosch Gmbh | Schrägscheibenmaschine |
DE102013225568A1 (de) | 2013-12-11 | 2015-06-11 | Robert Bosch Gmbh | Schrägscheibenmaschine |
DE102013225569A1 (de) | 2013-12-11 | 2015-06-11 | Robert Bosch Gmbh | Schrägscheibenmaschine |
DE102013224821A1 (de) | 2013-12-04 | 2015-06-11 | Robert Bosch Gmbh | Schrägscheibenmaschine |
DE102014204898A1 (de) | 2014-03-17 | 2015-09-17 | Robert Bosch Gmbh | Schrägscheibenmaschine |
DE102014206243A1 (de) | 2014-04-02 | 2015-10-08 | Robert Bosch Gmbh | Schrägscheibenmaschine |
DE102014206376A1 (de) | 2014-04-03 | 2015-10-08 | Robert Bosch Gmbh | Schrägscheibenmaschine |
DE102014206378A1 (de) | 2014-04-03 | 2015-10-08 | Robert Bosch Gmbh | Schrägscheibenmaschine |
DE102014206380A1 (de) | 2014-04-03 | 2015-10-08 | Robert Bosch Gmbh | Schrägscheibenmaschine |
DE102014206911A1 (de) | 2014-04-10 | 2015-10-15 | Robert Bosch Gmbh | Schrägscheibenmaschine |
WO2015193132A1 (fr) | 2014-06-20 | 2015-12-23 | Robert Bosch Gmbh | Module de transmission |
WO2015193131A1 (fr) | 2014-06-20 | 2015-12-23 | Robert Bosch Gmbh | Module de transmission |
DE102014211870A1 (de) | 2014-06-20 | 2015-12-24 | Robert Bosch Gmbh | Schrägscheibenmaschine |
DE102014211890A1 (de) | 2014-06-20 | 2015-12-24 | Robert Bosch Gmbh | Schrägscheibenmaschine |
DE102014211863A1 (de) | 2014-06-20 | 2015-12-24 | Robert Bosch Gmbh | Übertragungsmodul |
WO2015197403A1 (fr) | 2014-06-25 | 2015-12-30 | Robert Bosch Gmbh | Machine à plateau oscillant |
WO2015197400A1 (fr) | 2014-06-25 | 2015-12-30 | Robert Bosch Gmbh | Machine à plateau oscillant |
DE102014212208A1 (de) | 2014-06-25 | 2015-12-31 | Robert Bosch Gmbh | Schrägscheibenmaschine |
DE102014212335A1 (de) | 2014-06-26 | 2015-12-31 | Robert Bosch Gmbh | Schrägscheibenmaschine |
DE102014212183A1 (de) | 2014-06-25 | 2015-12-31 | Robert Bosch Gmbh | Schrägscheibenmaschine |
DE102014216212A1 (de) | 2014-08-14 | 2016-02-18 | Robert Bosch Gmbh | Schrägscheibenmaschine |
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DE102014216373A1 (de) | 2014-08-19 | 2016-02-25 | Robert Bosch Gmbh | Schrägscheibenmaschine |
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Families Citing this family (10)
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DE10232983A1 (de) * | 2002-07-19 | 2004-02-05 | Brueninghaus Hydromatik Gmbh | Kolbenmaschine mit Pulsation |
US6981321B1 (en) * | 2003-09-29 | 2006-01-03 | Sauer-Danfoss Inc. | Hydrostatic cylinder block and method of making the same |
JP4542473B2 (ja) * | 2005-06-30 | 2010-09-15 | 株式会社カワサキプレシジョンマシナリ | 弁板およびそれを備える液圧装置 |
GB2440155A (en) * | 2006-07-18 | 2008-01-23 | Agco Gmbh | An axial piston pump or machine of the swashplate or bent axis type |
US20080307956A1 (en) * | 2007-06-18 | 2008-12-18 | Sauer-Danfoss Inc. | Web-less valve plate |
US9115794B2 (en) | 2012-07-06 | 2015-08-25 | Hamilton Sundstrand Corporation | Integrated drive generator pump plate |
DE102018205884A1 (de) * | 2018-04-18 | 2019-10-24 | Robert Bosch Gmbh | Axialkolbenmaschine mit Druckentlastung in den Durchtriebsraum |
KR20200004075A (ko) * | 2018-07-03 | 2020-01-13 | 현대자동차주식회사 | 회전형 밸브 플레이트 컴프레서 |
US11236736B2 (en) * | 2019-09-27 | 2022-02-01 | Honeywell International Inc. | Axial piston pump with port plate having balance feed aperture relief feature |
US12031559B1 (en) | 2023-07-07 | 2024-07-09 | Robert Bosch Gmbh | Integrated electro-hydraulic unit |
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