AT521890A3 - Hydraulisches Differenzdruckventil - Google Patents
Hydraulisches Differenzdruckventil Download PDFInfo
- Publication number
- AT521890A3 AT521890A3 ATA51087/2019A AT510872019A AT521890A3 AT 521890 A3 AT521890 A3 AT 521890A3 AT 510872019 A AT510872019 A AT 510872019A AT 521890 A3 AT521890 A3 AT 521890A3
- Authority
- AT
- Austria
- Prior art keywords
- outlet
- piston
- control
- inlet
- pressure chamber
- Prior art date
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
- F15B13/00—Details of servomotor systems ; Valves for servomotor systems
- F15B13/02—Fluid distribution or supply devices characterised by their adaptation to the control of servomotors
- F15B13/04—Fluid distribution or supply devices characterised by their adaptation to the control of servomotors for use with a single servomotor
- F15B13/0416—Fluid distribution or supply devices characterised by their adaptation to the control of servomotors for use with a single servomotor with means or adapted for load sensing
- F15B13/0417—Load sensing elements; Internal fluid connections therefor; Anti-saturation or pressure-compensation valves
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02F—DREDGING; SOIL-SHIFTING
- E02F9/00—Component parts of dredgers or soil-shifting machines, not restricted to one of the kinds covered by groups E02F3/00 - E02F7/00
- E02F9/20—Drives; Control devices
- E02F9/22—Hydraulic or pneumatic drives
- E02F9/2221—Control of flow rate; Load sensing arrangements
- E02F9/2232—Control of flow rate; Load sensing arrangements using one or more variable displacement pumps
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02F—DREDGING; SOIL-SHIFTING
- E02F9/00—Component parts of dredgers or soil-shifting machines, not restricted to one of the kinds covered by groups E02F3/00 - E02F7/00
- E02F9/20—Drives; Control devices
- E02F9/22—Hydraulic or pneumatic drives
- E02F9/2264—Arrangements or adaptations of elements for hydraulic drives
- E02F9/2267—Valves or distributors
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02F—DREDGING; SOIL-SHIFTING
- E02F9/00—Component parts of dredgers or soil-shifting machines, not restricted to one of the kinds covered by groups E02F3/00 - E02F7/00
- E02F9/20—Drives; Control devices
- E02F9/22—Hydraulic or pneumatic drives
- E02F9/2278—Hydraulic circuits
- E02F9/2296—Systems with a variable displacement pump
-
- 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
- F15B11/04—Systems essentially incorporating special features for controlling the speed or actuating force of an output member for controlling the speed
- F15B11/05—Systems essentially incorporating special features for controlling the speed or actuating force of an output member for controlling the speed specially adapted to maintain constant speed, e.g. pressure-compensated, load-responsive
-
- 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
- F15B13/00—Details of servomotor systems ; Valves for servomotor systems
- F15B13/02—Fluid distribution or supply devices characterised by their adaptation to the control of servomotors
- F15B13/026—Pressure compensating 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
- F15B13/00—Details of servomotor systems ; Valves for servomotor systems
- F15B13/02—Fluid distribution or supply devices characterised by their adaptation to the control of servomotors
- F15B13/04—Fluid distribution or supply devices characterised by their adaptation to the control of servomotors for use with a single servomotor
- F15B13/0401—Valve members; Fluid interconnections therefor
- F15B13/0402—Valve members; Fluid interconnections therefor for linearly sliding valves, e.g. spool valves
-
- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05D—SYSTEMS FOR CONTROLLING OR REGULATING NON-ELECTRIC VARIABLES
- G05D7/00—Control of flow
- G05D7/01—Control of flow without auxiliary power
- G05D7/0126—Control of flow without auxiliary power the sensing element being a piston or plunger associated with one or more springs
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02F—DREDGING; SOIL-SHIFTING
- E02F9/00—Component parts of dredgers or soil-shifting machines, not restricted to one of the kinds covered by groups E02F3/00 - E02F7/00
- E02F9/20—Drives; Control devices
- E02F9/22—Hydraulic or pneumatic drives
- E02F9/2221—Control of flow rate; Load sensing arrangements
- E02F9/2225—Control of flow rate; Load sensing arrangements using pressure-compensating 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
- F15B2211/3053—In combination with a pressure compensating valve
- F15B2211/30535—In combination with a pressure compensating valve the pressure compensating valve is arranged between pressure source and 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
- F15B2211/40—Flow control
- F15B2211/415—Flow control characterised by the connections of the flow control means in the circuit
- F15B2211/41509—Flow control characterised by the connections of the flow control means in the circuit being connected to a pressure source and a 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
- F15B2211/40—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
- F15B2211/70—Output members, e.g. hydraulic motors or cylinders or control therefor
- F15B2211/75—Control of speed of the output member
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- Mechanical Engineering (AREA)
- Mining & Mineral Resources (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- General Physics & Mathematics (AREA)
- Automation & Control Theory (AREA)
- Fluid-Pressure Circuits (AREA)
- Actuator (AREA)
Abstract
Es wird ein hydraulisches Differenzdruckventil mit einem an einen Zu- und einen Ablauf (2, 4) angeschlossenen Steuerzylinder (1) und mit einem im Steuerzylinder (1) verschiebbar gelagerten, federbeaufschlagten Steuerschieber (6) beschrieben, der mit zwei einerseits eine Steuerkante (8) für den Zulauf (2) und anderseits eine Steuerkante (13) für den Ablauf (4) bildenden Kolbenabschnitten einen den Zulauf (2) und den Ablauf (4) verbindenden Druckraum (14) begrenzt, wobei der Steuerzylinder (1) auf der vom Druckraum (14) abgewandten Seite des zulaufseitigen Kolbenabschnitts einen mit dem Druckraum (14) strömungsverbunden Gegendruckraum (15) und auf der vom Druckraum (14) abgewandten Seite des ablaufseitigen Kolbenabschnitts einen Federraum (17) mit einem Steueranschluss (21) zur Druckbeaufschlagung umfasst. Um vorteilhafte Konstruktionsverhältnisse zu schaffen, wird vorgeschlagen, dass der zulaufseitige Kolbenabschnitt des Steuerschiebers (6) einen Kolben (7) mit einer Kolbenstange (12) bildet, auf der der als Ringkolben (9) ausgebildete ablaufseitige Kolbenabschnitt anschlagbegrenzt verschiebbar gelagert ist, dass der Ringkolben (9) und die Kolbenstange (12) durch gesonderte, im Federraum (17) angeordnete Federn (18, 19) beaufschlagbar sind und dass der Steueranschluss (21) des Federraums (17) mit dem Ablauf (4) verbindbar ist.
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
AT3712018 | 2018-12-13 |
Publications (3)
Publication Number | Publication Date |
---|---|
AT521890A2 AT521890A2 (de) | 2020-06-15 |
AT521890A3 true AT521890A3 (de) | 2020-09-15 |
AT521890B1 AT521890B1 (de) | 2021-01-15 |
Family
ID=70859526
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
ATA51087/2019A AT521890B1 (de) | 2018-12-13 | 2019-12-13 | Hydraulisches Differenzdruckventil |
Country Status (2)
Country | Link |
---|---|
AT (1) | AT521890B1 (de) |
DE (1) | DE102019134280A1 (de) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN113183836B (zh) * | 2021-04-19 | 2022-07-26 | 长沙理工大学 | 一种汽车安全座椅系统 |
Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB872226A (en) * | 1958-08-11 | 1961-07-05 | New York Air Brake Co | Flow rate compensated valve |
DE2139119A1 (de) * | 1971-08-04 | 1973-02-15 | Herion Werke Kg | Stromregelventil |
DE2656032A1 (de) * | 1976-12-10 | 1978-06-15 | Danfoss As | Hydraulisches system mit mindestens zwei verbrauchern |
DE19605247C1 (de) * | 1996-02-13 | 1997-04-24 | Siemens Ag | Vorrichtung zum Steuern eines Volumenstromes |
US20130074955A1 (en) * | 2007-07-02 | 2013-03-28 | Parker-Hannifin Corporation | Fluid valve arrangement |
-
2019
- 2019-12-13 AT ATA51087/2019A patent/AT521890B1/de active
- 2019-12-13 DE DE102019134280.5A patent/DE102019134280A1/de not_active Withdrawn
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB872226A (en) * | 1958-08-11 | 1961-07-05 | New York Air Brake Co | Flow rate compensated valve |
DE2139119A1 (de) * | 1971-08-04 | 1973-02-15 | Herion Werke Kg | Stromregelventil |
DE2656032A1 (de) * | 1976-12-10 | 1978-06-15 | Danfoss As | Hydraulisches system mit mindestens zwei verbrauchern |
DE19605247C1 (de) * | 1996-02-13 | 1997-04-24 | Siemens Ag | Vorrichtung zum Steuern eines Volumenstromes |
US20130074955A1 (en) * | 2007-07-02 | 2013-03-28 | Parker-Hannifin Corporation | Fluid valve arrangement |
Non-Patent Citations (2)
Title |
---|
LunchBox Sessions. Pressure Compensated Flow Control - Part 1. YouTube [online][video]. 06.03.2017 [aufgefunden am 15.07.2020]. Aufgefunden auf <https://www.youtube.com/watch?v=mCPJvrEiXCA> * |
LunchBox Sessions. Pressure Compensated Flow Control - Part 2. YouTube [online][video]. 13.03.2017 [aufgefunden am 15.07.2020]. Aufgefunden auf <https://www.youtube.com/watch?v=elg3LBJ1PW4> * |
Also Published As
Publication number | Publication date |
---|---|
AT521890B1 (de) | 2021-01-15 |
AT521890A2 (de) | 2020-06-15 |
DE102019134280A1 (de) | 2020-06-18 |
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