CA1163897A - Electro-hydraulic actuator system - Google Patents
Electro-hydraulic actuator systemInfo
- Publication number
- CA1163897A CA1163897A CA000374541A CA374541A CA1163897A CA 1163897 A CA1163897 A CA 1163897A CA 000374541 A CA000374541 A CA 000374541A CA 374541 A CA374541 A CA 374541A CA 1163897 A CA1163897 A CA 1163897A
- Authority
- CA
- Canada
- Prior art keywords
- spool
- displacement
- force
- linear
- forces
- 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
Links
- 239000012530 fluid Substances 0.000 claims description 30
- 238000006073 displacement reaction Methods 0.000 claims description 29
- 238000000034 method Methods 0.000 claims 2
- 238000005312 nonlinear dynamic Methods 0.000 claims 1
- 230000007423 decrease Effects 0.000 description 3
- 230000007935 neutral effect Effects 0.000 description 3
- 101150034533 ATIC gene Proteins 0.000 description 1
- 238000013459 approach Methods 0.000 description 1
- 239000012141 concentrate Substances 0.000 description 1
- 230000005294 ferromagnetic effect Effects 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 230000005291 magnetic effect Effects 0.000 description 1
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
- F15B13/0401—Valve members; Fluid interconnections therefor
- F15B13/0402—Valve members; Fluid interconnections therefor for linearly sliding valves, e.g. spool 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
- F15B11/00—Servomotor systems without provision for follow-up action; Circuits therefor
- F15B11/08—Servomotor systems without provision for follow-up action; Circuits therefor with only one servomotor
-
- 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
- F15B13/042—Fluid distribution or supply devices characterised by their adaptation to the control of servomotors for use with a single servomotor operated by fluid pressure
- F15B13/043—Fluid distribution or supply devices characterised by their adaptation to the control of servomotors for use with a single servomotor operated by fluid pressure with electrically-controlled pilot valves
- F15B13/0435—Fluid distribution or supply devices characterised by their adaptation to the control of servomotors for use with a single servomotor operated by fluid pressure with electrically-controlled pilot valves the pilot valves being sliding valves
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F7/00—Magnets
- H01F7/06—Electromagnets; Actuators including electromagnets
- H01F7/08—Electromagnets; Actuators including electromagnets with armatures
- H01F7/13—Electromagnets; Actuators including electromagnets with armatures characterised by pulling-force characteristics
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Electromagnetism (AREA)
- Power Engineering (AREA)
- Servomotors (AREA)
- Magnetically Actuated Valves (AREA)
- Fluid-Pressure Circuits (AREA)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US13717180A | 1980-04-04 | 1980-04-04 | |
US06/137,171 | 1980-04-04 |
Publications (1)
Publication Number | Publication Date |
---|---|
CA1163897A true CA1163897A (en) | 1984-03-20 |
Family
ID=22476120
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CA000374541A Expired CA1163897A (en) | 1980-04-04 | 1981-04-02 | Electro-hydraulic actuator system |
Country Status (4)
Country | Link |
---|---|
EP (1) | EP0038128A1 (de) |
JP (1) | JPS56150603A (de) |
KR (1) | KR840001175B1 (de) |
CA (1) | CA1163897A (de) |
Families Citing this family (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS57157805A (en) * | 1981-03-23 | 1982-09-29 | Hitachi Ltd | Force motor servo valve |
JPS61116107A (ja) * | 1984-11-09 | 1986-06-03 | Hitachi Ltd | アクチユエ−タの制御装置 |
EP0259356A1 (de) * | 1986-01-31 | 1988-03-16 | ROTHENBERGER, Jakob, Dr.nat.oec. | Magnetisch betätigtes mehrkammer-wegeventil |
FR2635203A1 (fr) * | 1988-08-03 | 1990-02-09 | Bennes Marrel | Composant electro-hydraulique de regulation de pression |
DE3826977A1 (de) * | 1988-08-09 | 1990-02-15 | Meyer Hans Wilhelm | Stelleinrichtung fuer ein gaswechselventil einer brennkraftmaschine |
US4949741A (en) * | 1989-01-10 | 1990-08-21 | Vickers, Incorporated | Power transmission |
GB9503854D0 (en) * | 1995-02-25 | 1995-04-19 | Ultra Hydraulics Ltd | Electrohydraulic proportional control valve assemblies |
EP2812585A1 (de) | 2012-02-09 | 2014-12-17 | Moog Inc. | Elektrohydraulisches servoventil |
WO2013126105A1 (en) | 2012-02-23 | 2013-08-29 | Moog Inc. | Integrated structure electro-hydraulic valve |
Family Cites Families (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2436992A (en) * | 1944-06-16 | 1948-03-02 | Hpm Dev Corp | Solenoid with plunger |
GB656208A (en) * | 1947-10-28 | 1951-08-15 | United Aircraft Corp | Improvements in or relating to magnetic devices |
DE2101493C3 (de) * | 1971-01-14 | 1979-11-22 | Carl Metz Gmbh, 7500 Karlsruhe | Elektromagnetisch betätigbares hydraulisches Wegeventil |
US3740594A (en) * | 1971-08-30 | 1973-06-19 | Fema Corp | Permanent-electromagnetic reciprocating device |
US3858135A (en) * | 1973-08-14 | 1974-12-31 | S Gray | Push-pull linear motor |
GB1462879A (en) * | 1973-10-10 | 1977-01-26 | Sperry Rand Ltd | Hydraulic actuator controls |
FR2265162A1 (en) * | 1974-03-21 | 1975-10-17 | Griffet Ets M | Remote control system for lorry mounted crane - uses potentiometer and position comparison signals |
DE2621272C2 (de) * | 1975-05-16 | 1982-11-11 | Regie Nationale Des Usines Renault, 92109 Boulogne-Billancourt, Hauts-De-Seine | Elektromagnetische Betätigungsvorrichtung |
US4144514A (en) * | 1976-11-03 | 1979-03-13 | General Electric Company | Linear motion, electromagnetic force motor |
-
1981
- 1981-03-24 EP EP81301263A patent/EP0038128A1/de not_active Withdrawn
- 1981-04-02 KR KR1019810001110A patent/KR840001175B1/ko active
- 1981-04-02 CA CA000374541A patent/CA1163897A/en not_active Expired
- 1981-04-03 JP JP5046881A patent/JPS56150603A/ja active Pending
Also Published As
Publication number | Publication date |
---|---|
KR830005508A (ko) | 1983-08-20 |
JPS56150603A (en) | 1981-11-21 |
KR840001175B1 (ko) | 1984-08-16 |
EP0038128A1 (de) | 1981-10-21 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
MKEX | Expiry |