EP0746690A1 - Regeleinrichtung für eine hydropumpe - Google Patents
Regeleinrichtung für eine hydropumpeInfo
- Publication number
- EP0746690A1 EP0746690A1 EP95909750A EP95909750A EP0746690A1 EP 0746690 A1 EP0746690 A1 EP 0746690A1 EP 95909750 A EP95909750 A EP 95909750A EP 95909750 A EP95909750 A EP 95909750A EP 0746690 A1 EP0746690 A1 EP 0746690A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- pressure
- control
- control valve
- pump
- connection
- 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
Links
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
- F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
- F15B11/00—Servomotor systems without provision for follow-up action; Circuits therefor
- F15B11/16—Servomotor systems without provision for follow-up action; Circuits therefor with two or more servomotors
- F15B11/161—Servomotor systems without provision for follow-up action; Circuits therefor with two or more servomotors with sensing of servomotor demand or load
- F15B11/165—Servomotor systems without provision for follow-up action; Circuits therefor with two or more servomotors with sensing of servomotor demand or load for adjusting the pump output or bypass in response to demand
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
- F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
- F15B2211/00—Circuits for servomotor systems
- F15B2211/20—Fluid pressure source, e.g. accumulator or variable axial piston pump
- F15B2211/205—Systems with pumps
- F15B2211/2053—Type of pump
- F15B2211/20546—Type of pump variable capacity
- F15B2211/20553—Type of pump variable capacity with pilot circuit, e.g. for controlling a swash plate
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
- F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
- F15B2211/00—Circuits for servomotor systems
- F15B2211/30—Directional control
- F15B2211/305—Directional control characterised by the type of valves
- F15B2211/30525—Directional control valves, e.g. 4/3-directional control valve
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
- F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
- F15B2211/00—Circuits for servomotor systems
- F15B2211/30—Directional control
- F15B2211/31—Directional control characterised by the positions of the valve element
- F15B2211/3144—Directional control characterised by the positions of the valve element the positions being continuously variable, e.g. as realised by proportional valves
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
- F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
- F15B2211/00—Circuits for servomotor systems
- F15B2211/30—Directional control
- F15B2211/315—Directional control characterised by the connections of the valve or valves in the circuit
- F15B2211/31505—Directional control characterised by the connections of the valve or valves in the circuit being connected to a pressure source and a return line
- F15B2211/31511—Directional control characterised by the connections of the valve or valves in the circuit being connected to a pressure source and a return line having a single pressure source
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
- F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
- F15B2211/00—Circuits for servomotor systems
- F15B2211/30—Directional control
- F15B2211/32—Directional control characterised by the type of actuation
- F15B2211/329—Directional control characterised by the type of actuation actuated by fluid pressure
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
- F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
- F15B2211/00—Circuits for servomotor systems
- F15B2211/30—Directional control
- F15B2211/355—Pilot pressure control
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
- F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
- F15B2211/00—Circuits for servomotor systems
- F15B2211/60—Circuit components or control therefor
- F15B2211/605—Load sensing circuits
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
- F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
- F15B2211/00—Circuits for servomotor systems
- F15B2211/60—Circuit components or control therefor
- F15B2211/67—Methods for controlling pilot pressure
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
- F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
- F15B2211/00—Circuits for servomotor systems
- F15B2211/70—Output members, e.g. hydraulic motors or cylinders or control therefor
- F15B2211/71—Multiple output members, e.g. multiple hydraulic motors or cylinders
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Fluid-Pressure Circuits (AREA)
- Control Of Positive-Displacement Pumps (AREA)
Abstract
Description
Claims
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE4406318 | 1994-02-26 | ||
DE4406318A DE4406318A1 (de) | 1994-02-26 | 1994-02-26 | Regeleinrichtung für eine Hydropumpe |
PCT/EP1995/000611 WO1995023292A1 (de) | 1994-02-26 | 1995-02-21 | Regeleinrichtung für eine hydropumpe |
Publications (2)
Publication Number | Publication Date |
---|---|
EP0746690A1 true EP0746690A1 (de) | 1996-12-11 |
EP0746690B1 EP0746690B1 (de) | 1999-01-13 |
Family
ID=6511292
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP95909750A Expired - Lifetime EP0746690B1 (de) | 1994-02-26 | 1995-02-21 | Regeleinrichtung für eine hydropumpe |
Country Status (5)
Country | Link |
---|---|
US (1) | US5720168A (de) |
EP (1) | EP0746690B1 (de) |
JP (1) | JPH09510002A (de) |
DE (2) | DE4406318A1 (de) |
WO (1) | WO1995023292A1 (de) |
Families Citing this family (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US6450146B1 (en) | 2000-12-12 | 2002-09-17 | International Engine Intellectual Property Company, L.L.C. | High pressure pump with a close-mounted valve for a hydraulic fuel system |
DE102007051525B4 (de) * | 2007-10-29 | 2011-02-24 | Sauer-Danfoss Gmbh & Co Ohg | Hydraulisches Versorgungssystem mit einer Verstellpumpeneinrichtung |
EP2686561A1 (de) * | 2011-03-17 | 2014-01-22 | Parker-Hannificn Corporation | Elektrohydraulisches system zur steuerung mehrerer funktionen |
DE102016000186A1 (de) * | 2016-01-11 | 2017-07-13 | Liebherr-Hydraulikbagger Gmbh | Vorrichtung zur regelbaren Hydraulikversorgung unterschiedlich geregelter hydraulischer Verbraucher sowie Hydrauliksystem und Arbeitsmaschine |
CN107061394B (zh) * | 2016-11-22 | 2018-10-23 | 宣城托新精密科技有限公司 | 可调压力敏感度的电液控制机构 |
Family Cites Families (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5659003A (en) * | 1979-10-22 | 1981-05-22 | Kawasaki Heavy Ind Ltd | Oil pressure controller |
JPS5740102A (en) * | 1980-08-21 | 1982-03-05 | Hitachi Constr Mach Co Ltd | Control process for inertial mass driver |
JP2631125B2 (ja) * | 1988-04-27 | 1997-07-16 | 東芝機械株式会社 | 負荷圧補償ポンプ吐出流量制御回路 |
DE3901207C2 (de) * | 1989-01-17 | 1994-06-23 | Rexroth Mannesmann Gmbh | Ventilanordnung für mehrere hydraulische Antriebe, insbesondere für die Antriebe eines Krans |
JPH04136507A (ja) * | 1990-09-28 | 1992-05-11 | Komatsu Ltd | 油圧回路 |
JP3003958B2 (ja) * | 1991-03-15 | 2000-01-31 | 株式会社小松製作所 | ロードセンシング油圧回路 |
DE4127342C2 (de) * | 1991-08-19 | 1995-02-16 | Danfoss As | Hydraulisches System mit einer Pumpe |
DE4210252C1 (de) * | 1992-03-28 | 1993-09-02 | O & K Orenstein & Koppel Ag, 13581 Berlin, De | |
EP0564939B1 (de) * | 1992-04-04 | 1995-12-13 | Mannesmann Rexroth AG | Hydraulische Steuereinrichtung für mehrere Verbraucher |
DE4308004C2 (de) * | 1992-04-04 | 2000-10-12 | Mannesmann Rexroth Ag | Hydraulische Steuereinrichtung für mehrere Verbraucher |
-
1994
- 1994-02-26 DE DE4406318A patent/DE4406318A1/de not_active Withdrawn
-
1995
- 1995-02-21 US US08/693,148 patent/US5720168A/en not_active Expired - Fee Related
- 1995-02-21 WO PCT/EP1995/000611 patent/WO1995023292A1/de active IP Right Grant
- 1995-02-21 EP EP95909750A patent/EP0746690B1/de not_active Expired - Lifetime
- 1995-02-21 DE DE59504821T patent/DE59504821D1/de not_active Expired - Fee Related
- 1995-02-21 JP JP7522115A patent/JPH09510002A/ja active Pending
Non-Patent Citations (1)
Title |
---|
See references of WO9523292A1 * |
Also Published As
Publication number | Publication date |
---|---|
US5720168A (en) | 1998-02-24 |
EP0746690B1 (de) | 1999-01-13 |
WO1995023292A1 (de) | 1995-08-31 |
JPH09510002A (ja) | 1997-10-07 |
DE59504821D1 (de) | 1999-02-25 |
DE4406318A1 (de) | 1995-08-31 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
EP0275968A2 (de) | Steuervorrichtung für ein hydrostatisches Getriebe für wenigstens zwei Verbraucher | |
EP0958455B1 (de) | Hydraulischer steuerkreis für einen vorrangigen und für einen nachrangigen hydraulischen verbraucher | |
DE4036720C2 (de) | Steuerschaltung für die lastunabhängige Aufteilung eines Druckmittelstromes | |
DE19615593A1 (de) | Hydrostatisches Antriebssystem | |
EP1200743B1 (de) | Hydraulische steueranordnung zur bedarfstromgeregelten (load-sensing-geregelten) druckmittelversorgung von vorzugsweise mehreren, hydraulischen verbrauchern | |
DE3734903C2 (de) | Blockiergeschützte hydraulische Kraftfahrzeugbremsanlage | |
DE3420674C2 (de) | Druckversorgungseinrichtung für ein Hydrauliksystem | |
WO1986003264A1 (en) | Hydraulic installation | |
WO2001002736A1 (de) | Hydraulische steueranordnung zur druckmittelversorgung von vorzugsweise mehreren hydraulischen verbrauchern | |
DE4410268A1 (de) | Hydraulische Durchflußsteuerventilanordnung | |
EP0746690B1 (de) | Regeleinrichtung für eine hydropumpe | |
DE3844401C2 (de) | Regeleinrichtung für eine Verstellpumpe | |
DE19626793C1 (de) | Hydraulische Regeleinrichtung zum parallelen Regeln mehrerer hydrostatischer Verstellpumpen | |
EP1934487B1 (de) | Hydraulische steuervorrichtung | |
DE112004002768B4 (de) | Hydraulisches Steuersystem | |
EP0471166A1 (de) | Regelvorrichtung zur Regelung der Fördervolumeneinstellung mehrerer hydrostatischer Pumpen | |
DE10134747B4 (de) | Verfahren und Vorrichtung zur lastabhängigen Steuerung der Fluidversorgung eines Fluidkreises | |
DE3844405C2 (de) | Ventilanordnung für ein hydraulisches System | |
DE3844399C2 (de) | Steueranordnung für mehrere unabhängig voneinander betätigbare hydraulische Verbraucher und deren Verwendung | |
DE3844400A1 (de) | Ventilanordnung fuer ein hydraulisches system | |
DE3703576A1 (de) | Steueranordnung fuer mindestens zwei von mindestens einer pumpe gespeiste hydraulische verbraucher | |
DE10119276B4 (de) | Hydraulischer Steuerkreis | |
DE2753439C2 (de) | ||
DE4026849C2 (de) | Ventilanordnung zum Erzeugen eines Steuerdrucks in einer hydraulischen Anlage | |
DE2625134A1 (de) | Hydraulische steuereinrichtung zur verteilung von druckfluessigkeit auf zwei systeme |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
PUAI | Public reference made under article 153(3) epc to a published international application that has entered the european phase |
Free format text: ORIGINAL CODE: 0009012 |
|
17P | Request for examination filed |
Effective date: 19960730 |
|
AK | Designated contracting states |
Kind code of ref document: A1 Designated state(s): DE FR GB IT SE |
|
GRAG | Despatch of communication of intention to grant |
Free format text: ORIGINAL CODE: EPIDOS AGRA |
|
17Q | First examination report despatched |
Effective date: 19980122 |
|
GRAG | Despatch of communication of intention to grant |
Free format text: ORIGINAL CODE: EPIDOS AGRA |
|
GRAH | Despatch of communication of intention to grant a patent |
Free format text: ORIGINAL CODE: EPIDOS IGRA |
|
RAP1 | Party data changed (applicant data changed or rights of an application transferred) |
Owner name: MANNESMANN REXROTH AKTIENGESELLSCHAFT |
|
GRAH | Despatch of communication of intention to grant a patent |
Free format text: ORIGINAL CODE: EPIDOS IGRA |
|
GRAA | (expected) grant |
Free format text: ORIGINAL CODE: 0009210 |
|
AK | Designated contracting states |
Kind code of ref document: B1 Designated state(s): DE FR GB IT SE |
|
REF | Corresponds to: |
Ref document number: 59504821 Country of ref document: DE Date of ref document: 19990225 |
|
ITF | It: translation for a ep patent filed |
Owner name: DE DOMINICIS & MAYER S.R.L. |
|
ET | Fr: translation filed | ||
GBT | Gb: translation of ep patent filed (gb section 77(6)(a)/1977) |
Effective date: 19990415 |
|
PLBE | No opposition filed within time limit |
Free format text: ORIGINAL CODE: 0009261 |
|
STAA | Information on the status of an ep patent application or granted ep patent |
Free format text: STATUS: NO OPPOSITION FILED WITHIN TIME LIMIT |
|
26N | No opposition filed | ||
REG | Reference to a national code |
Ref country code: GB Ref legal event code: IF02 |
|
PGFP | Annual fee paid to national office [announced via postgrant information from national office to epo] |
Ref country code: GB Payment date: 20030130 Year of fee payment: 9 |
|
PGFP | Annual fee paid to national office [announced via postgrant information from national office to epo] |
Ref country code: SE Payment date: 20030204 Year of fee payment: 9 |
|
PGFP | Annual fee paid to national office [announced via postgrant information from national office to epo] |
Ref country code: FR Payment date: 20030206 Year of fee payment: 9 |
|
PGFP | Annual fee paid to national office [announced via postgrant information from national office to epo] |
Ref country code: DE Payment date: 20030208 Year of fee payment: 9 |
|
PG25 | Lapsed in a contracting state [announced via postgrant information from national office to epo] |
Ref country code: GB Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES Effective date: 20040221 |
|
PG25 | Lapsed in a contracting state [announced via postgrant information from national office to epo] |
Ref country code: SE Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES Effective date: 20040222 |
|
PG25 | Lapsed in a contracting state [announced via postgrant information from national office to epo] |
Ref country code: DE Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES Effective date: 20040901 |
|
EUG | Se: european patent has lapsed | ||
GBPC | Gb: european patent ceased through non-payment of renewal fee |
Effective date: 20040221 |
|
PG25 | Lapsed in a contracting state [announced via postgrant information from national office to epo] |
Ref country code: FR Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES Effective date: 20041029 |
|
REG | Reference to a national code |
Ref country code: FR Ref legal event code: ST |
|
PG25 | Lapsed in a contracting state [announced via postgrant information from national office to epo] |
Ref country code: IT Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES;WARNING: LAPSES OF ITALIAN PATENTS WITH EFFECTIVE DATE BEFORE 2007 MAY HAVE OCCURRED AT ANY TIME BEFORE 2007. THE CORRECT EFFECTIVE DATE MAY BE DIFFERENT FROM THE ONE RECORDED. Effective date: 20050221 |