DE59305767D1 - Hydraulisches System für ein Fahrzeug - Google Patents
Hydraulisches System für ein FahrzeugInfo
- Publication number
- DE59305767D1 DE59305767D1 DE59305767T DE59305767T DE59305767D1 DE 59305767 D1 DE59305767 D1 DE 59305767D1 DE 59305767 T DE59305767 T DE 59305767T DE 59305767 T DE59305767 T DE 59305767T DE 59305767 D1 DE59305767 D1 DE 59305767D1
- Authority
- DE
- Germany
- Prior art keywords
- vehicle
- hydraulic system
- hydraulic
- 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
- 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
- F15B11/17—Servomotor systems without provision for follow-up action; Circuits therefor with two or more servomotors using two or more pumps
-
- 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
- F15B2211/20538—Type of pump constant capacity
-
- 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
-
- 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
- F15B2211/20576—Systems with pumps with multiple pumps
-
- 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
- F15B2211/3056—Assemblies of multiple valves
- F15B2211/30585—Assemblies of multiple valves having a single valve for multiple output members
-
- 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
- F15B2211/3105—Neutral or centre positions
- F15B2211/3116—Neutral or centre positions the pump port being open in the centre position, e.g. so-called open centre
-
- 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
- F15B2211/40—Flow control
- F15B2211/405—Flow control characterised by the type of flow control means or valve
- F15B2211/40515—Flow control characterised by the type of flow control means or valve with variable throttles or orifices
-
- 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
- F15B2211/40—Flow control
- F15B2211/42—Flow control characterised by the type of actuation
- F15B2211/426—Flow control characterised by the type of actuation electrically or electronically
-
- 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
- F15B2211/40—Flow control
- F15B2211/45—Control of bleed-off flow, e.g. control of bypass flow to the return line
-
- 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
- F15B2211/40—Flow control
- F15B2211/455—Control of flow in the feed line, i.e. meter-in 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
- F15B2211/62—Cooling or heating means
-
- 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
- F15B2211/7107—Multiple output members, e.g. multiple hydraulic motors or cylinders the output members being mechanically linked
-
- 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
- F15B2211/7114—Multiple output members, e.g. multiple hydraulic motors or cylinders with direct connection between the chambers of different actuators
- F15B2211/7121—Multiple output members, e.g. multiple hydraulic motors or cylinders with direct connection between the chambers of different actuators the chambers being connected in series
-
- 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
- F15B2211/7114—Multiple output members, e.g. multiple hydraulic motors or cylinders with direct connection between the chambers of different actuators
- F15B2211/7128—Multiple output members, e.g. multiple hydraulic motors or cylinders with direct connection between the chambers of different actuators the chambers being connected in parallel
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Harvester Elements (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US08/006,897 US5335494A (en) | 1993-01-21 | 1993-01-21 | Hydraulic system for reel mower vehicles |
Publications (1)
Publication Number | Publication Date |
---|---|
DE59305767D1 true DE59305767D1 (de) | 1997-04-17 |
Family
ID=21723159
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE59305767T Expired - Fee Related DE59305767D1 (de) | 1993-01-21 | 1993-12-23 | Hydraulisches System für ein Fahrzeug |
Country Status (4)
Country | Link |
---|---|
US (1) | US5335494A (de) |
EP (1) | EP0607604B1 (de) |
CA (1) | CA2109291C (de) |
DE (1) | DE59305767D1 (de) |
Families Citing this family (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5533325A (en) * | 1994-02-03 | 1996-07-09 | The Toro Company | All wheel hydraulic drive system |
JP3430662B2 (ja) * | 1994-09-21 | 2003-07-28 | 日産自動車株式会社 | 車両の駆動力伝達装置 |
JP3013225B2 (ja) * | 1995-01-11 | 2000-02-28 | 新キャタピラー三菱株式会社 | 吊り作業制御装置 |
US6018895A (en) * | 1996-03-28 | 2000-02-01 | Clark Equipment Company | Valve stack in a mini-excavator directing fluid under pressure from multiple pumps to actuable elements |
AU720849B2 (en) * | 1996-03-28 | 2000-06-15 | Clark Equipment Company | Multifunction valve stack |
US5810110A (en) * | 1996-11-08 | 1998-09-22 | R. H. Sheppard Co., Inc. | Tandem power steering system with heat sink |
US6182588B1 (en) * | 1998-05-01 | 2001-02-06 | Flexi-Coil Ltd. | Hydraulic system having boost pump in series with a primary pump and a boost pump drive therefor |
US7401465B2 (en) * | 2005-11-16 | 2008-07-22 | Deere & Company | Dual pump dual pressure hydraulic circuit |
US7568331B2 (en) * | 2005-12-21 | 2009-08-04 | Deere & Company | Extendable lift arms for trim mower |
Family Cites Families (15)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3032994A (en) * | 1959-12-14 | 1962-05-08 | Koehring Co | Hydraulic drive for trenching machine |
US3360925A (en) * | 1966-02-03 | 1968-01-02 | Int Harvester Co | Multiple speed hydraulic control system |
US3785157A (en) * | 1972-11-24 | 1974-01-15 | Deere & Co | Flow control dump valve |
US3913453A (en) * | 1974-08-30 | 1975-10-21 | Deere & Co | Hydrostatic transmission |
US3915068A (en) * | 1974-08-30 | 1975-10-28 | Deere & Co | Hydrostatic transmission |
US3962870A (en) * | 1975-04-23 | 1976-06-15 | International Harvester Company | Variable volume dual pump circuit |
US3952510A (en) * | 1975-06-06 | 1976-04-27 | Caterpillar Tractor Co. | Flow sensing and control apparatus |
JPS55120802U (de) * | 1979-02-20 | 1980-08-27 | ||
JPS58135551U (ja) * | 1982-03-09 | 1983-09-12 | 株式会社クボタ | トラクタの駆動構造 |
DE3222106A1 (de) * | 1982-06-11 | 1983-12-15 | Robert Bosch Gmbh, 7000 Stuttgart | Hydraulische steuereinrichtung |
US4531368A (en) * | 1983-12-19 | 1985-07-30 | Deere & Company | Reservoir for a multi-pump hydraulic system |
DE3406228A1 (de) * | 1984-02-21 | 1985-08-29 | Mannesmann Rexroth GmbH, 8770 Lohr | Hydrauliksystem fuer einen landwirtschaftlichen schlepper |
JPH07116721B2 (ja) * | 1989-01-31 | 1995-12-13 | 油谷重工株式会社 | 油圧ショベルの油圧回路 |
JPH02236002A (ja) * | 1989-03-08 | 1990-09-18 | Kubota Ltd | 作業車の昇降用油圧回路 |
JPH0732221Y2 (ja) * | 1989-12-05 | 1995-07-26 | 株式会社神崎高級工機製作所 | 作業車両用の油圧供給装置 |
-
1993
- 1993-01-21 US US08/006,897 patent/US5335494A/en not_active Expired - Lifetime
- 1993-10-26 CA CA002109291A patent/CA2109291C/en not_active Expired - Fee Related
- 1993-12-23 EP EP93120792A patent/EP0607604B1/de not_active Expired - Lifetime
- 1993-12-23 DE DE59305767T patent/DE59305767D1/de not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
EP0607604B1 (de) | 1997-03-12 |
EP0607604A1 (de) | 1994-07-27 |
CA2109291C (en) | 1996-09-10 |
CA2109291A1 (en) | 1994-07-22 |
US5335494A (en) | 1994-08-09 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
DE69528504D1 (de) | Navigationssystem für ein Fahrzeug | |
DE59505023D1 (de) | Navigationssystem für ein Fahrzeug | |
DE69330721T2 (de) | Fahrgestell für ein Fahrzeug | |
DE69209013D1 (de) | Steuerungssystem für ein Fahrzeug | |
DE69730570D1 (de) | Automatisches Lenksystem für ein Fahrzeug | |
DE69718869T2 (de) | Automatisches Lenksystem für ein Fahrzeug | |
DE59201751D1 (de) | Antriebssystem für ein Raupenfahrzeug. | |
DE59402056D1 (de) | Pedalwerk für ein Fahrzeug | |
DE69629384D1 (de) | Anlegesystem für ein flugzeug | |
DE59405405D1 (de) | Steuerungsanordnung für ein kraftfahrzeug | |
DE69809654D1 (de) | Radaufhängungssystem für ein Fahrzeug | |
DE69311592D1 (de) | Aufhängungssystem für ein Kraftfahrzeug | |
DE59402080D1 (de) | Getriebesteuersystem für ein kraftfahrzeug | |
DE59806644D1 (de) | Schlosssystem für ein fahrzeug | |
DE69418575T2 (de) | Antriebskraft-Steuerungssystem für ein Fahrzeug | |
DE69819060D1 (de) | Automatisches Lenksystem für ein Fahrzeug | |
DE59608359D1 (de) | Navigationssystem für ein Fahrzeug | |
ATA130995A (de) | Hydraulische betätigungsanordnung für ein fahrzeugverdeck | |
DE69415602D1 (de) | Lenkungsanlage für ein Fahrzeug | |
DE69404277T2 (de) | Aufhängungssystem für ein fahrzeug | |
DE59305957D1 (de) | Einrichtung für ein Fahrzeug | |
DE69408790D1 (de) | Lenkeinrichtung für ein Fahrzeug | |
DE59305767D1 (de) | Hydraulisches System für ein Fahrzeug | |
DE69311421D1 (de) | Steuergerät für ein Fahrzeuggetriebe | |
DE69300022D1 (de) | Servovorrichtung für ein Fahrzeuggetriebe. |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
8364 | No opposition during term of opposition | ||
8339 | Ceased/non-payment of the annual fee |