IT1238058B - Dispositivo di sicurezza a riarmo per il comando dell'avviamento di almeno una misura di sicurezza su un'installazione che presenta almeno un'alimentazione pneumatica,in caso di caduta di pressione di questa alimentazione - Google Patents

Dispositivo di sicurezza a riarmo per il comando dell'avviamento di almeno una misura di sicurezza su un'installazione che presenta almeno un'alimentazione pneumatica,in caso di caduta di pressione di questa alimentazione

Info

Publication number
IT1238058B
IT1238058B IT01932890A IT1932890A IT1238058B IT 1238058 B IT1238058 B IT 1238058B IT 01932890 A IT01932890 A IT 01932890A IT 1932890 A IT1932890 A IT 1932890A IT 1238058 B IT1238058 B IT 1238058B
Authority
IT
Italy
Prior art keywords
supply
presents
event
installation
pressure drop
Prior art date
Application number
IT01932890A
Other languages
English (en)
Other versions
IT9019328A1 (it
IT9019328A0 (it
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 filed Critical
Publication of IT9019328A0 publication Critical patent/IT9019328A0/it
Publication of IT9019328A1 publication Critical patent/IT9019328A1/it
Application granted granted Critical
Publication of IT1238058B publication Critical patent/IT1238058B/it

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
    • F16K17/00—Safety valves; Equalising valves, e.g. pressure relief valves
    • F16K17/02—Safety valves; Equalising valves, e.g. pressure relief valves opening on surplus pressure on one side; closing on insufficient pressure on one side
    • F16K17/164—Safety valves; Equalising valves, e.g. pressure relief valves opening on surplus pressure on one side; closing on insufficient pressure on one side and remaining closed after return of the normal pressure
    • 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
    • Y10T137/2496—Self-proportioning or correlating systems
    • Y10T137/2544—Supply and exhaust 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
    • Y10T137/5109—Convertible
    • 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
    • Y10T137/8158—With indicator, register, recorder, alarm or inspection means
    • Y10T137/8225—Position or extent of motion indicator
    • Y10T137/8275—Indicator element rigidly carried by the movable element whose position is indicated
    • 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
    • Y10T137/8158—With indicator, register, recorder, alarm or inspection means
    • Y10T137/8326—Fluid pressure responsive indicator, recorder or alarm
    • 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
    • Y10T137/8667—Reciprocating valve
    • Y10T137/86686—Plural disk or plug

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Control Of Fluid Pressure (AREA)
  • Safety Valves (AREA)
IT01932890A 1989-02-13 1990-02-09 Dispositivo di sicurezza a riarmo per il comando dell'avviamento di almeno una misura di sicurezza su un'installazione che presenta almeno un'alimentazione pneumatica,in caso di caduta di pressione di questa alimentazione IT1238058B (it)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR898901845A FR2643174B1 (fr) 1989-02-13 1989-02-13 Dispositif de securite a rearmement pour la commande du declenchement d'au moins une mesure de securite sur une installation comportant au moins une alimentation pneumatique, en cas de chute de pression de cette alimentation

Publications (3)

Publication Number Publication Date
IT9019328A0 IT9019328A0 (it) 1990-02-09
IT9019328A1 IT9019328A1 (it) 1991-08-09
IT1238058B true IT1238058B (it) 1993-06-26

Family

ID=9378727

Family Applications (1)

Application Number Title Priority Date Filing Date
IT01932890A IT1238058B (it) 1989-02-13 1990-02-09 Dispositivo di sicurezza a riarmo per il comando dell'avviamento di almeno una misura di sicurezza su un'installazione che presenta almeno un'alimentazione pneumatica,in caso di caduta di pressione di questa alimentazione

Country Status (5)

Country Link
US (1) US5007447A (it)
DE (1) DE4004406A1 (it)
FR (1) FR2643174B1 (it)
GB (1) GB2229553B (it)
IT (1) IT1238058B (it)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19913230C2 (de) * 1999-03-23 2001-06-21 Vti Ventil Technik Gmbh Ventilarmatur für einen Druckbehälter
DE19949874B4 (de) 1999-10-15 2004-09-23 Imi Norgren-Herion Fluidtronic Gmbh & Co. Kg Sicherheitsventil
DE10128354B4 (de) * 2001-06-13 2004-11-18 Georg Fischer Rohrverbindungstechnik Gmbh Vorrichtung zur Verhinderung des unbeabsichtigten Wiederanlaufens
US7503346B1 (en) * 2006-06-21 2009-03-17 Hunter Industries, Inc. Solenoid actuated pilot valve for irrigation system valve
US8297314B2 (en) * 2006-06-21 2012-10-30 Hunter Industries, Inc. Solenoid actuated pilot valve for irrigation system valve
CN115076427B (zh) * 2022-06-09 2025-04-29 泉瓦阀门有限公司 一种具有过压保护功能的快速排气阀

Family Cites Families (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB138694A (en) * 1919-02-04 1920-02-19 Walter Edward Beasley Improved means for controlling the compression produced by pneumatic tyre inflators
US2638108A (en) * 1949-06-24 1953-05-12 Power Brake Equipment Co Push-pull control valve
DE1038859B (de) * 1957-11-13 1958-09-11 Guenther Heckmann Mindestdruckausloeser fuer Bremsen, insbesondere an Foerderhaspeln und Foerdermaschinen
DE1152856B (de) * 1961-07-27 1963-08-14 Westinghouse Bremsen Gmbh Mindestdruck-Ausloesevorrichtung
US3166358A (en) * 1963-03-21 1965-01-19 Bendix Westinghouse Automotive Fluid pressure system and control valve
DE1220183B (de) * 1963-06-20 1966-06-30 Abrecht Kunzmann Druckregelventil mit an einer Skala einstellbarem Hinterdruck, insbesondere fuer die Heizoelversorgung in Gebaeuden
US3610284A (en) * 1969-10-27 1971-10-05 Sigma Enterprises Inc Fluid control device
US3769996A (en) * 1971-04-19 1973-11-06 Amot Controls Corp Fluid timer and method
FR2149322B1 (it) * 1971-08-18 1976-05-28 Bouteille Daniel
FR2150639B1 (it) * 1971-08-27 1976-09-03 Bouteille Daniel
US3963050A (en) * 1973-09-06 1976-06-15 B.W.B. Controls, Inc. Pneumatic relay
US4004610A (en) * 1975-04-14 1977-01-25 B.W.B. Controls, Inc. Line control
US3977438A (en) * 1975-10-02 1976-08-31 Willis Oil Tool Co. Means to reset an actuator pilot valve
US4186766A (en) * 1977-11-21 1980-02-05 U.S. Industries, Inc. Flow line control system
US4450861A (en) * 1980-04-23 1984-05-29 Daniel Bouteille Compressed gas saving device
US4508014A (en) * 1982-06-08 1985-04-02 U.S. Truck Cranes, Inc. Remote control apparatus for a machine such as a crane

Also Published As

Publication number Publication date
GB2229553B (en) 1993-03-10
IT9019328A1 (it) 1991-08-09
IT9019328A0 (it) 1990-02-09
GB9003143D0 (en) 1990-04-11
GB2229553A (en) 1990-09-26
US5007447A (en) 1991-04-16
DE4004406A1 (de) 1990-08-16
FR2643174A1 (fr) 1990-08-17
FR2643174B1 (fr) 1994-06-17

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Legal Events

Date Code Title Description
0001 Granted
TA Fee payment date (situation as of event date), data collected since 19931001

Effective date: 19960227