DE69517386T2 - Ventil mit vier Verbindungsöffnungen und zwei Stellungen - Google Patents
Ventil mit vier Verbindungsöffnungen und zwei StellungenInfo
- Publication number
- DE69517386T2 DE69517386T2 DE1995617386 DE69517386T DE69517386T2 DE 69517386 T2 DE69517386 T2 DE 69517386T2 DE 1995617386 DE1995617386 DE 1995617386 DE 69517386 T DE69517386 T DE 69517386T DE 69517386 T2 DE69517386 T2 DE 69517386T2
- Authority
- DE
- Germany
- Prior art keywords
- valve
- positions
- connection openings
- openings
- 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.)
- 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
- F15B11/02—Systems essentially incorporating special features for controlling the speed or actuating force of an output member
- F15B11/024—Systems essentially incorporating special features for controlling the speed or actuating force of an output member by means of differential connection of the servomotor lines, e.g. regenerative 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
- F15B2211/30—Directional control
- F15B2211/305—Directional control characterised by the type of valves
- F15B2211/30505—Non-return valves, i.e. check 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
- F15B2211/305—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
- F15B2211/3122—Special positions other than the pump port being connected to working ports or the working ports being connected to the return line
- F15B2211/3127—Floating position connecting the working ports and 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
- F15B2211/30—Directional control
- F15B2211/315—Directional control characterised by the connections of the valve or valves in the circuit
- F15B2211/3157—Directional control characterised by the connections of the valve or valves in the circuit being connected to a pressure source, an output member and a return line
- F15B2211/31576—Directional control characterised by the connections of the valve or valves in the circuit being connected to a pressure source, an output member and a return line having a single pressure source and a single output member
-
- 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
- F15B2211/70—Output members, e.g. hydraulic motors or cylinders or control therefor
- F15B2211/705—Output members, e.g. hydraulic motors or cylinders or control therefor characterised by the type of output members or actuators
- F15B2211/7051—Linear output members
- F15B2211/7053—Double-acting output members
- F15B2211/7054—Having equal piston areas
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T137/00—Fluid handling
- Y10T137/2496—Self-proportioning or correlating systems
- Y10T137/2544—Supply and exhaust type
- Y10T137/2554—Reversing or 4-way valve systems
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR9413107A FR2726343B1 (fr) | 1994-10-28 | 1994-10-28 | Valve a quatre orifices de raccordement et deux positions |
Publications (2)
Publication Number | Publication Date |
---|---|
DE69517386D1 DE69517386D1 (de) | 2000-07-13 |
DE69517386T2 true DE69517386T2 (de) | 2000-12-28 |
Family
ID=9468447
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE1995617386 Expired - Fee Related DE69517386T2 (de) | 1994-10-28 | 1995-10-26 | Ventil mit vier Verbindungsöffnungen und zwei Stellungen |
Country Status (5)
Country | Link |
---|---|
US (1) | US5749390A (de) |
EP (1) | EP0709577B1 (de) |
JP (1) | JPH08210308A (de) |
DE (1) | DE69517386T2 (de) |
FR (1) | FR2726343B1 (de) |
Families Citing this family (17)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2784003B1 (fr) | 1998-10-02 | 2000-12-29 | Kuhn Sa | Machine agricole comportant un timon pivotable et des organes de transmission comprenant un accouplement a joints universels |
FR2786977B1 (fr) | 1998-12-14 | 2001-02-16 | Kuhn Sa | Faucheuse comportant un dispositif centralise de reglage de la force d'allegement exercee sur le mecanisme de recolte |
FR2774853B1 (fr) | 1999-02-15 | 2001-02-16 | Kuhn Sa | Organe de coupe pour une machine de coupe notamment une faucheuse |
FR2791224B1 (fr) | 1999-03-24 | 2001-05-25 | Kuhn Sa | Dispositif de coupe d'une machine de coupe, par exemple faucheuse comportant un dispositif d'entrainement du produit coupe |
FR2792161B1 (fr) | 1999-04-16 | 2001-05-25 | Kuhn Sa | Machine de coupe comportant un dispositif de coupe lie a un chassis au moyen d'un dispositif de liaison ameliore |
FR2792164B1 (fr) | 1999-04-16 | 2001-05-25 | Kuhn Sa | Dispositif de traitement de fourrage coupe et faucheuse utilisant un tel dispositif de traitement |
FR2793379B1 (fr) | 1999-05-11 | 2001-07-06 | Kuhn Sa | Dispositif d'adaptation pour barre d'attelage de tracteur |
FR2794206B1 (fr) | 1999-05-26 | 2001-07-06 | Kuhn Sa | Procede de montage/demontage et de reglage automatique de la tension d'un organe de transmission sans fin - machine agricole utilisant un tel procede |
FR2823061B1 (fr) | 2001-04-06 | 2003-09-26 | Kuhn Sa | Machine de recolte avec un dispositif d'entrainement perfectionne |
FR2823637A1 (fr) | 2001-04-18 | 2002-10-25 | Kuhn Sa | Faucheuse agricole comportant un mecanisme de regroupement d'andains |
FR2823636A1 (fr) | 2001-04-18 | 2002-10-25 | Kuhn Sa | Machine de fenaison, notamment une faucheuse avec un dispositif groupeur d'andains |
FR2885483B1 (fr) | 2005-05-10 | 2007-06-15 | Kuhn Sa Sa | Faucheuse avec des ensembles de fauche repliables |
FR2899430B1 (fr) * | 2006-04-11 | 2010-03-19 | Kuhn Sa | Rouleau conditionneur de faucheuse-conditionneuse, procede de fabrication d'un tel rouleau et faucheuse-conditionneuse equipee d'un tel rouleau |
FR2930866B1 (fr) | 2008-05-06 | 2010-06-04 | Kuhn Sa | Machine de fenaison avec un protecteur central perfectionne |
US10914322B1 (en) | 2016-05-19 | 2021-02-09 | Steven H. Marquardt | Energy saving accumulator circuit |
US10550863B1 (en) | 2016-05-19 | 2020-02-04 | Steven H. Marquardt | Direct link circuit |
US11015624B2 (en) | 2016-05-19 | 2021-05-25 | Steven H. Marquardt | Methods and devices for conserving energy in fluid power production |
Family Cites Families (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3568707A (en) * | 1968-12-16 | 1971-03-09 | Int Harvester Co | Quick drop valve |
US4008731A (en) * | 1971-03-08 | 1977-02-22 | I-T-E Imperial Corporation | Counterbalance valve |
JPS5563003A (en) * | 1978-11-01 | 1980-05-12 | Caterpillar Tractor Co | Hydraulic control circuit with quick drop valve |
US4397221A (en) * | 1981-06-01 | 1983-08-09 | Deere & Company | Regenerative valve |
DE3245288A1 (de) * | 1982-12-03 | 1984-06-14 | O & K Orenstein & Koppel Ag, 1000 Berlin | Verfahren zur einsparung von energie beim stellen eines ausruestungszylinders an einem hydraulikbagger durch eine hydraulikschaltung |
DE3601643A1 (de) * | 1986-01-21 | 1987-07-23 | Schrupp Gmbh | Hydraulische steuervorrichtung fuer den schnellgang von verbrauchern |
GB2227295B (en) * | 1989-01-03 | 1993-01-13 | Michael David Baxter | Hydraulic directional control valve with regenerative flow check valve |
US5452643A (en) * | 1992-01-30 | 1995-09-26 | The Boeing Company | Hydraulic power drive unit |
-
1994
- 1994-10-28 FR FR9413107A patent/FR2726343B1/fr not_active Expired - Fee Related
-
1995
- 1995-10-26 DE DE1995617386 patent/DE69517386T2/de not_active Expired - Fee Related
- 1995-10-26 EP EP19950440070 patent/EP0709577B1/de not_active Expired - Lifetime
- 1995-10-30 US US08/550,208 patent/US5749390A/en not_active Expired - Fee Related
- 1995-10-30 JP JP30503995A patent/JPH08210308A/ja not_active Withdrawn
Also Published As
Publication number | Publication date |
---|---|
DE69517386D1 (de) | 2000-07-13 |
EP0709577A1 (de) | 1996-05-01 |
JPH08210308A (ja) | 1996-08-20 |
FR2726343A1 (fr) | 1996-05-03 |
US5749390A (en) | 1998-05-12 |
EP0709577B1 (de) | 2000-06-07 |
FR2726343B1 (fr) | 1997-01-24 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
8339 | Ceased/non-payment of the annual fee |