FR2179522A1 - - Google Patents

Info

Publication number: FR2179522A1
Authority: FR; France
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.): Granted

Application number

FR7212601A

Other languages

Other versions

Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)

Societe dOptique Precision Electronique et Mecanique SOPELEM SA

Original Assignee

Societe dOptique Precision Electronique et Mecanique SOPELEM SA

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.)

1972-04-11

Filing date

1972-04-11

Publication date

1973-11-23

1972-04-11 Application filed by Societe dOptique Precision Electronique et Mecanique SOPELEM SA filed Critical Societe dOptique Precision Electronique et Mecanique SOPELEM SA

1972-04-11 Priority to FR7212601A priority Critical patent/FR2179522B1/fr

1973-03-14 Priority to IT6772873A priority patent/IT984416B/it

1973-03-20 Priority to DE19732313854 priority patent/DE2313854A1/de

1973-04-11 Priority to GB1742273A priority patent/GB1389514A/en

1973-11-23 Publication of FR2179522A1 publication Critical patent/FR2179522A1/fr

1978-11-24 Application granted granted Critical

1978-11-24 Publication of FR2179522B1 publication Critical patent/FR2179522B1/fr

Status Expired legal-status Critical Current

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

Landscapes

Engineering & Computer Science (AREA)
Physics & Mathematics (AREA)
Fluid Mechanics (AREA)
Mechanical Engineering (AREA)
General Engineering & Computer Science (AREA)
Hydraulic Turbines (AREA)
Servomotors (AREA)

FR7212601A 1972-04-11 1972-04-11 Expired FR2179522B1 (it)

Priority Applications (4)

Application Number	Priority Date	Filing Date	Title
FR7212601A FR2179522B1 (it)	1972-04-11	1972-04-11
IT6772873A IT984416B (it)	1972-04-11	1973-03-14	Perfezionamenti apportati alle servovalvole elettroidrauliche
DE19732313854 DE2313854A1 (de)	1972-04-11	1973-03-20	Verbesserungen an elektrohydraulischen servoventilen
GB1742273A GB1389514A (en)	1972-04-11	1973-04-11	Electrohydraulic servomechanisms

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
FR7212601A FR2179522B1 (it)	1972-04-11	1972-04-11

Publications (2)

Publication Number	Publication Date
FR2179522A1 true FR2179522A1 (it)	1973-11-23
FR2179522B1 FR2179522B1 (it)	1978-11-24

Family

ID=9096639

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
FR7212601A Expired FR2179522B1 (it)	1972-04-11	1972-04-11

Country Status (4)

Country	Link
DE (1)	DE2313854A1 (it)
FR (1)	FR2179522B1 (it)
GB (1)	GB1389514A (it)
IT (1)	IT984416B (it)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US4362182A (en) *	1981-01-14	1982-12-07	Sundstrand Corporation	Nozzle force feedback for pilot stage flapper
GB8508803D0 (en) *	1985-04-04	1985-05-09	Fairey Hydraulics	Fluid valves
GB2516693A (en) *	2013-07-30	2015-02-04	Moog Controls Ltd	Improvements in hydraulic servovalves

1972
- 1972-04-11 FR FR7212601A patent/FR2179522B1/fr not_active Expired
1973
- 1973-03-14 IT IT6772873A patent/IT984416B/it active
- 1973-03-20 DE DE19732313854 patent/DE2313854A1/de active Pending
- 1973-04-11 GB GB1742273A patent/GB1389514A/en not_active Expired

Also Published As

Publication number	Publication date
IT984416B (it)	1974-11-20
GB1389514A (en)	1975-04-03
DE2313854A1 (de)	1973-10-18
FR2179522B1 (it)	1978-11-24

Publication	Publication Date	Title
FR2179522B1 (it)	1978-11-24
JPS4950672U (it)	1974-05-04
BG18192A1 (it)	1974-10-25
BG18370A1 (it)	1974-10-25
BG19718A1 (it)	1975-10-10
BG19853A1 (it)	1975-10-30
BG20968A1 (it)	1976-01-20
CH1470373A4 (it)	1975-06-30
CH555446A (it)	1974-10-31
CH559120A5 (it)	1975-02-28
CH560639A5 (it)	1975-04-15
CH560965A5 (it)	1975-04-15
CH560997A5 (it)	1975-04-15
CH561444A (it)	1975-04-30
CH561463A5 (it)	1975-04-30
CH561938A5 (it)	1975-05-15
CH564163A5 (it)	1975-07-15
CH564995A5 (it)	1975-08-15
CH565015A5 (it)	1975-08-15
CH565333A5 (it)	1975-08-15
CH566619A5 (it)	1975-09-15
CH566676A5 (it)	1975-09-15
CH566706A5 (it)	1975-09-30
CH568066A5 (it)	1975-10-31
CH568570A5 (it)	1975-10-31

Legal Events

Date	Code	Title	Description
1988-02-26	ST	Notification of lapse