SE370767B - - Google Patents
Info
- Publication number
- SE370767B SE370767B SE406771A SE406771A SE370767B SE 370767 B SE370767 B SE 370767B SE 406771 A SE406771 A SE 406771A SE 406771 A SE406771 A SE 406771A SE 370767 B SE370767 B SE 370767B
- Authority
- SE
- Sweden
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
- 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
-
- 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
- F15B2211/25—Pressure control functions
- F15B2211/253—Pressure margin control, e.g. pump pressure in relation to load 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
- F15B2211/305—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
- F15B2211/315—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
- F15B2211/321—Directional control characterised by the type of actuation mechanically
- F15B2211/324—Directional control characterised by the type of actuation mechanically manually, e.g. by using a lever or pedal
-
- 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
- F15B2211/50—Pressure control
- F15B2211/505—Pressure control characterised by the type of pressure control means
- F15B2211/50509—Pressure control characterised by the type of pressure control means the pressure control means controlling a pressure upstream of the pressure control means
- F15B2211/50536—Pressure control characterised by the type of pressure control means the pressure control means controlling a pressure upstream of the pressure control means using unloading valves controlling the supply pressure by diverting fluid 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
- F15B2211/50—Pressure control
- F15B2211/515—Pressure control characterised by the connections of the pressure control means in the circuit
- F15B2211/5151—Pressure control characterised by the connections of the pressure 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
- F15B2211/50—Pressure control
- F15B2211/57—Control of a differential 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
- F15B2211/60—Circuit components or control therefor
- F15B2211/605—Load sensing circuits
- F15B2211/6051—Load sensing circuits having valve means between output member and the load sensing circuit
-
- 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
- F15B2211/6051—Load sensing circuits having valve means between output member and the load sensing circuit
- F15B2211/6054—Load sensing circuits having valve means between output member and the load sensing circuit using shuttle 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
- F15B2211/60—Circuit components or control therefor
- F15B2211/615—Filtering 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
- F15B2211/705—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
-
- 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
-
- 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
- Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10S137/00—Fluid handling
- Y10S137/906—Valves biased by fluid "springs"
-
- 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
- Y10T137/8593—Systems
- Y10T137/87169—Supply and exhaust
- Y10T137/87177—With bypass
- Y10T137/87185—Controlled by supply or exhaust valve
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Fluid-Pressure Circuits (AREA)
- Servomotors (AREA)
- Multiple-Way Valves (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US2577970A | 1970-04-06 | 1970-04-06 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| SE370767B true SE370767B (US07964033-20110621-C00002.png) | 1974-10-28 |
Family
ID=21828014
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| SE406771A SE370767B (US07964033-20110621-C00002.png) | 1970-04-06 | 1971-03-29 |
Country Status (11)
Families Citing this family (24)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3742982A (en) * | 1971-07-26 | 1973-07-03 | Borg Warner | Control valve |
| US3777773A (en) * | 1972-02-22 | 1973-12-11 | Koehring Co | Pressure compensating valve mechanism |
| US3827453A (en) * | 1972-05-05 | 1974-08-06 | Parker Hannifin Corp | Directional control valve |
| US3768372A (en) * | 1972-07-13 | 1973-10-30 | Borg Warner | Control arrangement for hydraulic systems |
| DE2260457C2 (de) * | 1972-12-11 | 1982-08-26 | Wabco Fahrzeugbremsen Gmbh, 3000 Hannover | Stromteilereinrichtung für ein Hydrauliksystem mit mehreren unterschiedlich belastbaren Verbrauchern |
| US3878864A (en) * | 1973-12-07 | 1975-04-22 | Borg Warner | Bypass valve |
| DE2420242C2 (de) * | 1974-04-26 | 1982-12-23 | Robert Bosch Gmbh, 7000 Stuttgart | Hydraulische Steuerschiebervorrichtung |
| US3971216A (en) * | 1974-06-19 | 1976-07-27 | The Scott & Fetzer Company | Load responsive system with synthetic signal |
| US3942413A (en) * | 1974-08-01 | 1976-03-09 | Borg-Warner Corporation | Load limiting system |
| DE2611216C2 (de) * | 1976-03-17 | 1981-12-03 | G.L. Rexroth Gmbh, 8770 Lohr | Vorrichtung zur kavitationsfreien Druckbegrenzung von Arbeitsflüssigkeit |
| US4111198A (en) * | 1977-06-02 | 1978-09-05 | Alvin J. Marx | Automated intravenous fluid regulating and administering apparatus |
| US4145958A (en) * | 1977-12-02 | 1979-03-27 | Borg-Warner Corporation | Fluid control system with automatically actuated motor port lock-out valves |
| US4209039A (en) * | 1978-04-10 | 1980-06-24 | Tadeusz Budzich | Load responsive control valve |
| US4216797A (en) * | 1978-04-10 | 1980-08-12 | Tadeusz Budzich | Load responsive control valve |
| US4193263A (en) * | 1978-07-27 | 1980-03-18 | Borg-Warner Corporation | Fluid control system with individually variable flow control mechanism for each control section |
| DE2908018A1 (de) * | 1979-03-01 | 1980-09-11 | Barmag Barmer Maschf | Hydraulische steuervorrichtung fuer lastunabhaengige durchflussregelung |
| JPS57146827U (US07964033-20110621-C00002.png) * | 1981-03-12 | 1982-09-14 | ||
| JPS5859430U (ja) * | 1981-10-19 | 1983-04-21 | ヤンマー農機株式会社 | コンバインニオケル刈取部の連結構造 |
| FR2567233B1 (fr) * | 1984-07-03 | 1986-12-12 | Bennes Marrel | Tiroir assiste pour la compensation de pression dans un distributeur hydraulique |
| DE3611973C2 (de) * | 1986-04-09 | 1994-04-14 | Rexroth Mannesmann Gmbh | Nebenschlußventil |
| US4798126A (en) * | 1987-03-23 | 1989-01-17 | Caterpillar Inc. | Load responsive system using load responsive pump control of a bypass type |
| SE534002C2 (sv) * | 2009-06-24 | 2011-03-29 | Nordhydraulic Ab | Förfarande och anordning för styrning av ett hydraliskt system |
| US8695434B2 (en) | 2012-01-31 | 2014-04-15 | Hammonds Technical Services, Inc. | Fluid additive delivery system powered by the flowing fluid |
| EP4279750A1 (en) | 2021-10-21 | 2023-11-22 | Bucher Hydraulics S.p.A. | Inlet section for use in a hydraulic distributor |
Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2503870A (en) * | 1946-05-03 | 1950-04-11 | Vickers Inc | Flow regulating device |
| US3145627A (en) * | 1960-10-26 | 1964-08-25 | Schlatter Ag | Control apparatus for welding machines and the like |
| US3145734A (en) * | 1961-10-06 | 1964-08-25 | Borg Warner | Pressure compensated flow control valve |
| US3160167A (en) * | 1962-02-16 | 1964-12-08 | Parker Hannifin Corp | Valve assembly |
| US3212523A (en) * | 1963-09-27 | 1965-10-19 | Parker Hannifin Corp | Fluid system and relief valve assembly therefor |
| US3304633A (en) * | 1964-05-08 | 1967-02-21 | Caterpillar Tractor Co | Hydraulic circuit |
| US3467126A (en) * | 1966-03-21 | 1969-09-16 | Hydranamic Systems Corp | Hydraulic load compensating directional control valve |
-
1970
- 1970-04-06 US US3631890D patent/US3631890A/en not_active Expired - Lifetime
-
1971
- 1971-01-01 AR AR23487571A patent/AR204384A1/es active
- 1971-03-29 SE SE406771A patent/SE370767B/xx unknown
- 1971-03-30 CA CA109105A patent/CA919055A/en not_active Expired
- 1971-04-03 DE DE2116395A patent/DE2116395C3/de not_active Expired
- 1971-04-05 BE BE765306A patent/BE765306A/xx not_active IP Right Cessation
- 1971-04-06 JP JP2078071A patent/JPS5545762B1/ja active Pending
- 1971-04-06 NL NL7104578A patent/NL168305C/xx not_active IP Right Cessation
- 1971-04-06 FR FR7112082A patent/FR2085875B1/fr not_active Expired
- 1971-04-07 ZA ZA712206A patent/ZA712206B/xx unknown
- 1971-04-19 GB GB2576171A patent/GB1306886A/en not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| DE2116395A1 (de) | 1971-11-04 |
| GB1306886A (en) | 1973-02-14 |
| JPS5545762B1 (US07964033-20110621-C00002.png) | 1980-11-19 |
| AR204384A1 (US07964033-20110621-C00002.png) | 1976-02-06 |
| NL168305B (nl) | 1981-10-16 |
| ZA712206B (en) | 1971-12-29 |
| BE765306A (fr) | 1971-10-05 |
| NL168305C (nl) | 1982-03-16 |
| DE2116395C3 (de) | 1978-12-21 |
| CA919055A (en) | 1973-01-16 |
| FR2085875B1 (US07964033-20110621-C00002.png) | 1976-02-06 |
| FR2085875A1 (US07964033-20110621-C00002.png) | 1971-12-31 |
| US3631890A (en) | 1972-01-04 |
| DE2116395B2 (de) | 1978-04-27 |
| NL7104578A (US07964033-20110621-C00002.png) | 1971-10-08 |
