GB1440958A - Electrohydraulic servo-distributor - Google Patents
Electrohydraulic servo-distributorInfo
- Publication number
- GB1440958A GB1440958A GB5942773A GB5942773A GB1440958A GB 1440958 A GB1440958 A GB 1440958A GB 5942773 A GB5942773 A GB 5942773A GB 5942773 A GB5942773 A GB 5942773A GB 1440958 A GB1440958 A GB 1440958A
- Authority
- GB
- United Kingdom
- Prior art keywords
- valve
- pressure
- dec
- communicates
- output
- 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
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
- F15B13/042—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
- F15B13/0438—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 of the nozzle-flapper type
-
- 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
- Y10T137/2278—Pressure modulating relays or followers
-
- 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
- Y10T137/86493—Multi-way valve unit
- Y10T137/86574—Supply and exhaust
- Y10T137/86582—Pilot-actuated
- Y10T137/8659—Variable orifice-type modulator
- Y10T137/86598—Opposed orifices; interposed modulator
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR7247007A FR2212498B1 (de) | 1972-12-29 | 1972-12-29 |
Publications (1)
Publication Number | Publication Date |
---|---|
GB1440958A true GB1440958A (en) | 1976-06-30 |
Family
ID=9109540
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB5942773A Expired GB1440958A (en) | 1972-12-29 | 1973-12-21 | Electrohydraulic servo-distributor |
Country Status (5)
Country | Link |
---|---|
US (1) | US3892260A (de) |
DE (1) | DE2364350C3 (de) |
FR (1) | FR2212498B1 (de) |
GB (1) | GB1440958A (de) |
IT (1) | IT1000593B (de) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB2123185A (en) * | 1982-07-02 | 1984-01-25 | Dowty Hydraulic Units Ltd | Eleotro-hydraulic servo valves |
Families Citing this family (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE3109560A1 (de) * | 1981-03-13 | 1982-09-30 | Robert Bosch Gmbh, 7000 Stuttgart | Kraftstoffeinspritzanlage |
DE3122436A1 (de) * | 1981-06-05 | 1983-01-05 | Mannesmann Rexroth GmbH, 8770 Lohr | Proportional arbeitendes ventil |
FR2521232B1 (fr) * | 1982-02-11 | 1986-02-21 | Messier Hispano Sa | Servo-distributeur electro-hydraulique |
US4458839A (en) * | 1982-03-03 | 1984-07-10 | Masco Corporation | Thermostatic valve assembly |
DE3225179A1 (de) * | 1982-07-06 | 1984-01-12 | Robert Bosch Gmbh, 7000 Stuttgart | Drucksteuerventil |
AT386054B (de) * | 1985-09-06 | 1988-06-27 | Vni I Pk I Promy Gidroprivodov | Elektrohydraulischer verstaerker-umformer |
EP3536980B1 (de) * | 2018-03-08 | 2022-12-28 | Hamilton Sundstrand Corporation | Ventilkörper für servoventil |
PL3557103T3 (pl) * | 2018-04-19 | 2021-07-19 | Hamilton Sundstrand Corporation | Obudowa dyszy serwozaworu klapowego |
CN108716489B (zh) * | 2018-08-07 | 2020-04-10 | 上海航天控制技术研究所 | 一种电液压力伺服阀功率级结构 |
Family Cites Families (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2850685A (en) * | 1953-08-07 | 1958-09-02 | Gen Controls Co | Electromagnetic operator and mount therefor |
US2904055A (en) * | 1957-02-13 | 1959-09-15 | Textron Inc | Hydraulic amplifier valve with feedback |
FR1194539A (fr) * | 1958-03-26 | 1959-11-10 | Rech S Etudes | Servo-distributeur hydraulique à fuites très réduites |
FR1258366A (fr) * | 1960-03-02 | 1961-04-14 | Rech Etudes Production Sarl | étage primaire à palette et tube de torsion pour distributeur hydraulique à deux étages |
FR1390190A (fr) * | 1963-07-12 | 1965-02-26 | Rech Etudes Prod | Servo-distributeur électro-hydraulique à deux étages à contre-réaction mécanique interne |
US3366132A (en) * | 1965-10-24 | 1968-01-30 | Charles R. Fore | Electrically actuated hydraulic servovalve and torque motor |
US3454026A (en) * | 1968-06-26 | 1969-07-08 | Bendix Corp | Pressure feedback |
-
1972
- 1972-12-29 FR FR7247007A patent/FR2212498B1/fr not_active Expired
-
1973
- 1973-12-21 IT IT70816/73A patent/IT1000593B/it active
- 1973-12-21 GB GB5942773A patent/GB1440958A/en not_active Expired
- 1973-12-22 DE DE2364350A patent/DE2364350C3/de not_active Expired
- 1973-12-27 US US428766A patent/US3892260A/en not_active Expired - Lifetime
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB2123185A (en) * | 1982-07-02 | 1984-01-25 | Dowty Hydraulic Units Ltd | Eleotro-hydraulic servo valves |
Also Published As
Publication number | Publication date |
---|---|
DE2364350A1 (de) | 1974-07-04 |
IT1000593B (it) | 1976-04-10 |
DE2364350C3 (de) | 1981-10-15 |
US3892260A (en) | 1975-07-01 |
FR2212498B1 (de) | 1976-01-30 |
FR2212498A1 (de) | 1974-07-26 |
DE2364350B2 (de) | 1981-02-26 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
PS | Patent sealed [section 19, patents act 1949] | ||
PCNP | Patent ceased through non-payment of renewal fee |