FR2407506A1 - Dispositif pneumatique de regulation d'une caracteristique d'operation - Google Patents

Dispositif pneumatique de regulation d'une caracteristique d'operation

Info

Publication number
FR2407506A1
FR2407506A1 FR7801121A FR7801121A FR2407506A1 FR 2407506 A1 FR2407506 A1 FR 2407506A1 FR 7801121 A FR7801121 A FR 7801121A FR 7801121 A FR7801121 A FR 7801121A FR 2407506 A1 FR2407506 A1 FR 2407506A1
Authority
FR
France
Prior art keywords
blades
regulating
operating characteristic
pneumatic device
adjustment
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.)
Withdrawn
Application number
FR7801121A
Other languages
English (en)
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.)
OBSA SpA
Original Assignee
OBSA SpA
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.)
Filing date
Publication date
Application filed by OBSA SpA filed Critical OBSA SpA
Publication of FR2407506A1 publication Critical patent/FR2407506A1/fr
Withdrawn legal-status Critical Current

Links

Classifications

    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F15FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
    • F15CFLUID-CIRCUIT ELEMENTS PREDOMINANTLY USED FOR COMPUTING OR CONTROL PURPOSES
    • F15C3/00Circuit elements having moving parts
    • F15C3/10Circuit elements having moving parts using nozzles or jet pipes
    • F15C3/14Circuit elements having moving parts using nozzles or jet pipes the jet the nozzle being intercepted by a flap
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F15FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
    • F15CFLUID-CIRCUIT ELEMENTS PREDOMINANTLY USED FOR COMPUTING OR CONTROL PURPOSES
    • F15C4/00Circuit elements characterised by their special functions
    • GPHYSICS
    • G05CONTROLLING; REGULATING
    • G05BCONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
    • G05B11/00Automatic controllers
    • G05B11/44Automatic controllers pneumatic only
    • G05B11/48Automatic controllers pneumatic only with auxiliary power
    • G05B11/50Automatic controllers pneumatic only with auxiliary power in which the output signal represents a continuous function of the deviation from the desired value, i.e. continuous controllers

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • Mechanical Engineering (AREA)
  • Theoretical Computer Science (AREA)
  • Automation & Control Theory (AREA)
  • General Physics & Mathematics (AREA)
  • Coating Apparatus (AREA)
  • Making Paper Articles (AREA)
  • Surgical Instruments (AREA)
  • Control Of Turbines (AREA)
  • Control Of Position Or Direction (AREA)
  • Air-Flow Control Members (AREA)
  • Aerodynamic Tests, Hydrodynamic Tests, Wind Tunnels, And Water Tanks (AREA)

Abstract

CE DISPOSITIF EST CARACTERISE EN CE QU'IL COMPREND DEUX AJUTAGES EGAUX7, 8 RACCORDES AU RELAIS PNAUMATIQUE DE CE DISPOSITIF, DEUX LAMES D'OTURATION12A, 112A A RAISON D'UNE LAME POUR CHAQUE AJUTAGE, CES LAMES ETANT MAINTENUES EN POSITION D'OBTURATION DE L'AJUTAGE CORRESPONDANT PAR DES ORGANES CORRESPONDANTS ELASTIQUEMENT DEFORMABLES13 ET 113 ET UN ELEMENT16 PORTE PAR LEDIT DISPOSITIF DE MANIERE A PIVOTER AUTOUR D'UN AXE PARALLELE A CES AJUTAGES7, 8 ET AGISSANT SUR L'UNE OU L'AUTRE DESDITES LAMES POUR L'ELOIGNER DE L'AJUTAGE ASSOCIE A L'ENCONTRE DESDITS ORGANES ELASTIQUES A RESSORT, CET ELEMENT ETANT DECALE ANGULAIREMENT, DANS UN SENS OU DANS L'AUTRE, AUTOUR DUDIT AXE PAR UN DECLENCHEUR QUI AGIT EN FONCTION DU DECALAGE ENTRE LA VALEUR EFFECTIVE DE L'OPERATION ET LA VALEUR NECESSAIRE ET VARIABLE, EN FONCTION D'UN PROGRAMME FIXE A L'AVANCE.
FR7801121A 1977-10-27 1978-01-16 Dispositif pneumatique de regulation d'une caracteristique d'operation Withdrawn FR2407506A1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
IT2904977A IT1088140B (it) 1977-10-27 1977-10-27 Unita' regolante pneumatica

Publications (1)

Publication Number Publication Date
FR2407506A1 true FR2407506A1 (fr) 1979-05-25

Family

ID=11225968

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7801121A Withdrawn FR2407506A1 (fr) 1977-10-27 1978-01-16 Dispositif pneumatique de regulation d'une caracteristique d'operation

Country Status (6)

Country Link
CH (1) CH622629A5 (fr)
DE (2) DE7801642U1 (fr)
ES (1) ES465495A1 (fr)
FR (1) FR2407506A1 (fr)
GB (1) GB1599380A (fr)
IT (1) IT1088140B (fr)

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
BE518893A (fr) * 1952-04-05
GB1234715A (en) * 1969-09-08 1971-06-09 Bardons & Oliver Inc A fluid relay

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
BE518893A (fr) * 1952-04-05
GB1234715A (en) * 1969-09-08 1971-06-09 Bardons & Oliver Inc A fluid relay

Also Published As

Publication number Publication date
CH622629A5 (en) 1981-04-15
DE7801642U1 (de) 1979-07-12
IT1088140B (it) 1985-06-10
GB1599380A (en) 1981-09-30
ES465495A1 (es) 1979-01-01
DE2802456A1 (de) 1979-05-03

Similar Documents

Publication Publication Date Title
FR2405642A1 (fr) Appareil mobile d'arrosage
FR2407506A1 (fr) Dispositif pneumatique de regulation d'une caracteristique d'operation
FR2445403A1 (fr) Dispositif d'entrainement pour le battant d'un metier a tisser du tissu eponge
GB826684A (en) Land levelling device
FR2417249A1 (fr) Dispositif de fauchage
FR2417134A1 (fr) Reglage du debit de pulpes evolutives
US2273329A (en) Tree trimming device
US3060574A (en) Hair clipper attachment
GB827427A (en) Windshield wiper arm assembly
GB645913A (en) Improvements in hedge cutters
FR2405621A7 (fr) Appareil d'arrosage rotatif a surface d'irrigation reglable
RU184698U1 (ru) Секатор
US2422712A (en) Garden and lawn hand rake
FR2361253A1 (fr) Perfectionnements aux balais d'essuie-glace a profil bas
SU394106A1 (ru) Дождевальный аппарат
US3323210A (en) Hand shears, scissors and other hand tools
US1931569A (en) Grass and hedge trimmer
GB992549A (en) Lawn sprinkler
NL7609861A (en) Dibber type seedling planting tool - has anchoring device acting as footrest and hinging on planting tube
SU875100A2 (ru) Устройство дл автоматического орошени струговой установки
FR2336063A1 (fr) Dispositif pour le nettoyage en surface des rouleaux utilises pour le traitement des sols
EP0395173B1 (fr) Appareil pour introduire les liquides, notamment engrais liquide sous la surface du sol
US3543972A (en) Transportable liquid distributing devices
US1468554A (en) Pruning implement
SE8203593L (sv) Overbelastningsskyddsanordning for en stellbar propeller

Legal Events

Date Code Title Description
ST Notification of lapse