IT993424B - Azionatore elettroidraulico - Google Patents

Azionatore elettroidraulico

Info

Publication number: IT993424B
Authority: IT; Italy
Prior art keywords: electro; hydraulic actuator; actuator; hydraulic
Prior art date: 1972-09-29

Application number

IT29374/73A

Other languages

English (en)

Original Assignee

Sperry Rand Ltd

Priority date (The priority date 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 date listed.)

1972-09-29

Filing date

1973-09-25

Publication date

1975-09-30

1973-09-25 Application filed by Sperry Rand Ltd filed Critical Sperry Rand Ltd

1975-09-30 Application granted granted Critical

1975-09-30 Publication of IT993424B publication Critical patent/IT993424B/it

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
- F15B9/00—Servomotors with follow-up action, e.g. obtained by feed-back control, i.e. in which the position of the actuated member conforms with that of the controlling member
- F15B9/02—Servomotors with follow-up action, e.g. obtained by feed-back control, i.e. in which the position of the actuated member conforms with that of the controlling member with servomotors of the reciprocatable or oscillatable type
- F15B9/08—Servomotors with follow-up action, e.g. obtained by feed-back control, i.e. in which the position of the actuated member conforms with that of the controlling member with servomotors of the reciprocatable or oscillatable type controlled by valves affecting the fluid feed or the fluid outlet of the servomotor
- F15B9/09—Servomotors with follow-up action, e.g. obtained by feed-back control, i.e. in which the position of the actuated member conforms with that of the controlling member with servomotors of the reciprocatable or oscillatable type controlled by valves affecting the fluid feed or the fluid outlet of the servomotor with electrical control means

Landscapes

Engineering & Computer Science (AREA)
Physics & Mathematics (AREA)
Fluid Mechanics (AREA)
Mechanical Engineering (AREA)
General Engineering & Computer Science (AREA)
Actuator (AREA)
Servomotors (AREA)
Control Of Fluid Pressure (AREA)
Safety Valves (AREA)

IT29374/73A 1972-09-29 1973-09-25 Azionatore elettroidraulico IT993424B (it)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
GB4508072A GB1444910A (en)	1972-09-29	1972-09-29	Electro-hydraulic actuator

Publications (1)

Publication Number	Publication Date
IT993424B true IT993424B (it)	1975-09-30

Family

ID=10435804

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
IT29374/73A IT993424B (it)	1972-09-29	1973-09-25	Azionatore elettroidraulico

Country Status (9)

Country	Link
US (1)	US3872772A (it)
AU (1)	AU474484B2 (it)
CA (1)	CA983351A (it)
CH (1)	CH560849A5 (it)
DE (1)	DE2347061C2 (it)
FR (1)	FR2201405B1 (it)
GB (1)	GB1444910A (it)
IT (1)	IT993424B (it)
SE (1)	SE399307B (it)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
GB1465674A (en) *	1973-02-26	1977-02-23	Sperry Rand Ltd	Electrically-operated fluid actuator
GB1580946A (en) *	1977-05-27	1980-12-10	Abex Corp	Flow control valve
DE3045831C2 (de) *	1980-12-05	1984-06-14	Mauser-Werke Oberndorf Gmbh, 7238 Oberndorf	Stützklappe für einen starr schließenden Verschluß von automatischen Feuerwaffen
DE4302130C2 (de) *	1993-01-27	1995-04-13	Orenstein & Koppel Ag	Elektro-hydraulische Stelleinheit
US6883320B2 (en) *	2003-07-08	2005-04-26	G. W. Lisk Company, Inc.	Control system regulating air flow to engine intake
US8118571B2 (en) *	2005-03-31	2012-02-21	Dana Automotive Systems Group, Llc	Actuator assembly

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US2574335A (en) *	1948-02-21	1951-11-06	Ledue Rene	Fluid-pressure motor device for control systems
DE1092771B (de) *	1955-03-08	1960-11-10	Asea Ab	Hydraulischer Servomotor
DE1072101B (it) *	1958-09-09	1959-12-24
FR1264660A (fr) *	1960-05-13	1961-06-23	Rech Etudes Prod	Positionneur à commande électrohydraulique
FR1423873A (fr) *	1964-11-24	1966-01-07	Franco Belge Mat Chemin Fer	Dispositif hydro-électrique de positionnement linéaire
GB1141915A (en) *	1965-10-22	1969-02-05	Chandler Evans Inc	A digital pulse operated positioning apparatus
GB1264121A (it) *	1968-02-14	1972-02-16
US3664235A (en) *	1969-09-22	1972-05-23	Serck Industries Ltd	Fluid pressure operated servo arrangement
BE757514A (fr) *	1969-10-15	1971-03-16	Bosch Gmbh Robert	Installation hydraulique pour la commande d'organes de vehicules automobiles, notamment du rabatteur d'une moissonneuse-batteuse

1972
- 1972-09-29 GB GB4508072A patent/GB1444910A/en not_active Expired
1973
- 1973-09-18 US US398412A patent/US3872772A/en not_active Expired - Lifetime
- 1973-09-19 CH CH1343873A patent/CH560849A5/xx not_active IP Right Cessation
- 1973-09-19 DE DE2347061A patent/DE2347061C2/de not_active Expired
- 1973-09-21 AU AU60574/73A patent/AU474484B2/en not_active Expired
- 1973-09-24 CA CA181,826A patent/CA983351A/en not_active Expired
- 1973-09-25 IT IT29374/73A patent/IT993424B/it active
- 1973-09-25 FR FR7334361A patent/FR2201405B1/fr not_active Expired
- 1973-09-26 SE SE7313123A patent/SE399307B/xx unknown

Also Published As

Publication number	Publication date
US3872772A (en)	1975-03-25
GB1444910A (en)	1976-08-04
DE2347061C2 (de)	1984-09-13
SE399307B (sv)	1978-02-06
FR2201405B1 (it)	1976-10-01
CH560849A5 (it)	1975-04-15
AU474484B2 (en)	1976-07-22
DE2347061A1 (de)	1974-05-02
CA983351A (en)	1976-02-10
FR2201405A1 (it)	1974-04-26
AU6057473A (en)	1975-03-27

Publication	Publication Date	Title
SE390429B (sv)	1976-12-20	Hydraulsystem
SE396799B (sv)	1977-10-03	Hydraulisk styranleggning
AT302760B (de)	1972-10-25	Elektrohydraulisches Stellgerät
AR203534A1 (es)	1975-09-22	Aparato accionador
SE400057B (sv)	1978-03-13	Hydraulisk servobromsmekanism
BE784749A (fr)	1972-10-02	Vanne
AR197886A1 (es)	1974-05-15	Mecanismo hidraulico
AT344469B (de)	1978-07-25	Hydraulische stellvorrichtung
FR2327462A1 (fr)	1977-05-06	Soupape double
IT993959B (it)	1975-09-30	Servofreno idraulico
IT964884B (it)	1974-01-31	Azionatore idraulico
IT996082B (it)	1975-12-10	Mezzi azionatori di valvola
SE399306B (sv)	1978-02-06	Elektrohydraulisk styranordning
IT1001973B (it)	1976-04-30	Dispositivo di comando idraulico
IT976869B (it)	1974-09-10	Valvola idraulica
IT998218B (it)	1976-01-20	Servocomando idraulico
IT990668B (it)	1975-07-10	Valvola
IT993424B (it)	1975-09-30	Azionatore elettroidraulico
DE2343573A1 (de)	1974-03-07	Hydraulik-steuerventil
SE397994B (sv)	1977-11-28	Hydraulisk omkopplingsventil
IT977980B (it)	1974-09-20	Intensificatore idraulico
SE394312B (sv)	1977-06-20	Hydrauliskt servomanoverorgan
IT979634B (it)	1974-09-30	Valvola idraulica di controllo
CH552762A (de)	1974-08-15	Elektromagnetisches hydraulikventil.
BE793582A (fr)	1973-04-16	Valve